/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 11:00:52,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 11:00:52,444 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-25 11:00:52,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 11:00:52,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 11:00:52,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 11:00:52,461 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 11:00:52,461 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 11:00:52,462 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 11:00:52,462 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 11:00:52,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 11:00:52,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 11:00:52,463 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 11:00:52,463 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 11:00:52,463 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 11:00:52,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 11:00:52,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 11:00:52,464 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 11:00:52,464 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 11:00:52,464 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 11:00:52,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 11:00:52,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 11:00:52,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 11:00:52,468 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 11:00:52,469 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 11:00:52,469 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 11:00:52,470 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 11:00:52,470 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 11:00:52,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 11:00:52,470 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 11:00:52,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 11:00:52,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 11:00:52,473 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 11:00:52,473 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 11:00:52,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 11:00:52,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 11:00:52,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 11:00:52,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 11:00:52,474 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 11:00:52,474 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 11:00:52,474 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 11:00:52,475 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 11:00:52,475 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 11:00:52,475 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 11:00:52,476 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 11:00:52,476 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 11:00:52,476 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 11:00:52,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 11:00:52,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 11:00:52,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 11:00:52,694 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 11:00:52,694 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 11:00:52,695 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-12-25 11:00:53,800 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 11:00:54,133 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 11:00:54,133 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-12-25 11:00:54,163 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a06d35d18/7b0c700f9d8a4d4f9f1b04228f008407/FLAG07f98e0db [2023-12-25 11:00:54,174 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a06d35d18/7b0c700f9d8a4d4f9f1b04228f008407 [2023-12-25 11:00:54,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 11:00:54,176 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 11:00:54,177 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 11:00:54,177 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 11:00:54,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 11:00:54,181 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 11:00:54" (1/1) ... [2023-12-25 11:00:54,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f7a0500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:00:54, skipping insertion in model container [2023-12-25 11:00:54,182 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 11:00:54" (1/1) ... [2023-12-25 11:00:54,350 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 11:00:54,679 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16849,16862] [2023-12-25 11:00:54,712 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21942,21955] [2023-12-25 11:00:54,730 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23299,23312] [2023-12-25 11:00:54,738 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[24107,24120] [2023-12-25 11:00:54,745 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25792,25805] [2023-12-25 11:00:54,749 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26600,26613] [2023-12-25 11:00:54,753 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27736,27749] [2023-12-25 11:00:54,763 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[30390,30403] [2023-12-25 11:00:54,767 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31201,31214] [2023-12-25 11:00:54,773 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32340,32353] [2023-12-25 11:00:54,780 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34445,34458] [2023-12-25 11:00:54,794 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38533,38546] [2023-12-25 11:00:54,797 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[39344,39357] [2023-12-25 11:00:54,802 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[40483,40496] [2023-12-25 11:00:54,809 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[42588,42601] [2023-12-25 11:00:54,820 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[46127,46140] [2023-12-25 11:00:54,838 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52573,52586] [2023-12-25 11:00:54,842 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[53384,53397] [2023-12-25 11:00:54,846 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[54527,54540] [2023-12-25 11:00:54,867 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[56636,56649] [2023-12-25 11:00:54,894 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[60424,60437] [2023-12-25 11:00:54,929 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[67072,67085] [2023-12-25 11:00:54,984 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[79206,79219] [2023-12-25 11:00:54,988 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[80017,80030] [2023-12-25 11:00:54,997 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[81156,81169] [2023-12-25 11:00:55,013 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[83261,83274] [2023-12-25 11:00:55,037 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[86800,86813] [2023-12-25 11:00:55,059 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[92697,92710] [2023-12-25 11:00:55,089 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[102772,102785] [2023-12-25 11:00:55,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 11:00:55,578 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 11:00:55,637 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16849,16862] [2023-12-25 11:00:55,645 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21942,21955] [2023-12-25 11:00:55,649 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23299,23312] [2023-12-25 11:00:55,652 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[24107,24120] [2023-12-25 11:00:55,657 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25792,25805] [2023-12-25 11:00:55,660 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26600,26613] [2023-12-25 11:00:55,664 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27736,27749] [2023-12-25 11:00:55,670 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[30390,30403] [2023-12-25 11:00:55,673 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31201,31214] [2023-12-25 11:00:55,676 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32340,32353] [2023-12-25 11:00:55,682 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34445,34458] [2023-12-25 11:00:55,694 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38533,38546] [2023-12-25 11:00:55,696 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[39344,39357] [2023-12-25 11:00:55,702 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[40483,40496] [2023-12-25 11:00:55,707 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[42588,42601] [2023-12-25 11:00:55,715 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[46127,46140] [2023-12-25 11:00:55,729 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52573,52586] [2023-12-25 11:00:55,732 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[53384,53397] [2023-12-25 11:00:55,735 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[54527,54540] [2023-12-25 11:00:55,741 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[56636,56649] [2023-12-25 11:00:55,750 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[60424,60437] [2023-12-25 11:00:55,764 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[67072,67085] [2023-12-25 11:00:55,789 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[79206,79219] [2023-12-25 11:00:55,792 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[80017,80030] [2023-12-25 11:00:55,795 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[81156,81169] [2023-12-25 11:00:55,800 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[83261,83274] [2023-12-25 11:00:55,809 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[86800,86813] [2023-12-25 11:00:55,821 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[92697,92710] [2023-12-25 11:00:55,840 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[102772,102785] [2023-12-25 11:00:56,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 11:00:56,176 INFO L206 MainTranslator]: Completed translation [2023-12-25 11:00:56,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:00:56 WrapperNode [2023-12-25 11:00:56,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 11:00:56,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 11:00:56,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 11:00:56,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 11:00:56,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:00:56" (1/1) ... [2023-12-25 11:00:56,251 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:00:56" (1/1) ... [2023-12-25 11:00:56,432 INFO L138 Inliner]: procedures = 27, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12840 [2023-12-25 11:00:56,433 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 11:00:56,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 11:00:56,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 11:00:56,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 11:00:56,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:00:56" (1/1) ... [2023-12-25 11:00:56,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:00:56" (1/1) ... [2023-12-25 11:00:56,484 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:00:56" (1/1) ... [2023-12-25 11:00:56,541 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-25 11:00:56,541 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:00:56" (1/1) ... [2023-12-25 11:00:56,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:00:56" (1/1) ... [2023-12-25 11:00:56,603 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:00:56" (1/1) ... [2023-12-25 11:00:56,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:00:56" (1/1) ... [2023-12-25 11:00:56,657 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:00:56" (1/1) ... [2023-12-25 11:00:56,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:00:56" (1/1) ... [2023-12-25 11:00:56,710 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 11:00:56,711 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 11:00:56,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 11:00:56,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 11:00:56,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:00:56" (1/1) ... [2023-12-25 11:00:56,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 11:00:56,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 11:00:56,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-25 11:00:56,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-25 11:00:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 11:00:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 11:00:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 11:00:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 11:00:57,220 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 11:00:57,222 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 11:01:02,948 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 11:01:03,024 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 11:01:03,024 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-25 11:01:03,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 11:01:03 BoogieIcfgContainer [2023-12-25 11:01:03,024 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 11:01:03,026 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 11:01:03,026 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 11:01:03,028 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 11:01:03,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 11:00:54" (1/3) ... [2023-12-25 11:01:03,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20444a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 11:01:03, skipping insertion in model container [2023-12-25 11:01:03,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:00:56" (2/3) ... [2023-12-25 11:01:03,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20444a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 11:01:03, skipping insertion in model container [2023-12-25 11:01:03,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 11:01:03" (3/3) ... [2023-12-25 11:01:03,030 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-12-25 11:01:03,041 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 11:01:03,042 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2023-12-25 11:01:03,104 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 11:01:03,109 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@790399c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 11:01:03,109 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2023-12-25 11:01:03,122 INFO L276 IsEmpty]: Start isEmpty. Operand has 2062 states, 2032 states have (on average 1.8686023622047243) internal successors, (3797), 2061 states have internal predecessors, (3797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:03,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-25 11:01:03,156 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:01:03,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:01:03,157 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:01:03,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:01:03,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1135640583, now seen corresponding path program 1 times [2023-12-25 11:01:03,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:01:03,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1209938432] [2023-12-25 11:01:03,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:01:03,182 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:03,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:01:03,184 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:01:03,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-25 11:01:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:01:03,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 11:01:03,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:01:04,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:01:04,154 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:01:04,155 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:01:04,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1209938432] [2023-12-25 11:01:04,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1209938432] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:01:04,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:01:04,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 11:01:04,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784157852] [2023-12-25 11:01:04,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:01:04,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 11:01:04,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:01:04,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 11:01:04,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 11:01:04,195 INFO L87 Difference]: Start difference. First operand has 2062 states, 2032 states have (on average 1.8686023622047243) internal successors, (3797), 2061 states have internal predecessors, (3797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:05,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:01:05,963 INFO L93 Difference]: Finished difference Result 3634 states and 6410 transitions. [2023-12-25 11:01:05,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 11:01:05,966 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2023-12-25 11:01:05,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:01:05,995 INFO L225 Difference]: With dead ends: 3634 [2023-12-25 11:01:05,996 INFO L226 Difference]: Without dead ends: 2130 [2023-12-25 11:01:06,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-25 11:01:06,011 INFO L413 NwaCegarLoop]: 1835 mSDtfsCounter, 6369 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 1284 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6369 SdHoareTripleChecker+Valid, 2419 SdHoareTripleChecker+Invalid, 1288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:01:06,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6369 Valid, 2419 Invalid, 1288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1284 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-25 11:01:06,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2023-12-25 11:01:06,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 2028. [2023-12-25 11:01:06,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2028 states, 1999 states have (on average 1.3746873436718359) internal successors, (2748), 2027 states have internal predecessors, (2748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:06,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 2028 states and 2748 transitions. [2023-12-25 11:01:06,179 INFO L78 Accepts]: Start accepts. Automaton has 2028 states and 2748 transitions. Word has length 99 [2023-12-25 11:01:06,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:01:06,180 INFO L495 AbstractCegarLoop]: Abstraction has 2028 states and 2748 transitions. [2023-12-25 11:01:06,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:06,180 INFO L276 IsEmpty]: Start isEmpty. Operand 2028 states and 2748 transitions. [2023-12-25 11:01:06,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-25 11:01:06,188 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:01:06,188 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:01:06,208 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-25 11:01:06,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:06,394 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:01:06,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:01:06,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1178056856, now seen corresponding path program 1 times [2023-12-25 11:01:06,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:01:06,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1584610076] [2023-12-25 11:01:06,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:01:06,430 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:06,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:01:06,433 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:01:06,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-25 11:01:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:01:06,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 11:01:06,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:01:07,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:01:07,078 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:01:07,078 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:01:07,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1584610076] [2023-12-25 11:01:07,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1584610076] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:01:07,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:01:07,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 11:01:07,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324816650] [2023-12-25 11:01:07,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:01:07,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 11:01:07,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:01:07,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 11:01:07,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 11:01:07,081 INFO L87 Difference]: Start difference. First operand 2028 states and 2748 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:07,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:01:07,923 INFO L93 Difference]: Finished difference Result 3492 states and 4869 transitions. [2023-12-25 11:01:07,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 11:01:07,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2023-12-25 11:01:07,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:01:07,929 INFO L225 Difference]: With dead ends: 3492 [2023-12-25 11:01:07,929 INFO L226 Difference]: Without dead ends: 1775 [2023-12-25 11:01:07,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-25 11:01:07,932 INFO L413 NwaCegarLoop]: 991 mSDtfsCounter, 3415 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3415 SdHoareTripleChecker+Valid, 1003 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:01:07,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3415 Valid, 1003 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-25 11:01:07,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1775 states. [2023-12-25 11:01:07,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1775 to 1775. [2023-12-25 11:01:07,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1775 states, 1746 states have (on average 1.40950744558992) internal successors, (2461), 1774 states have internal predecessors, (2461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:07,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 2461 transitions. [2023-12-25 11:01:07,963 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 2461 transitions. Word has length 100 [2023-12-25 11:01:07,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:01:07,965 INFO L495 AbstractCegarLoop]: Abstraction has 1775 states and 2461 transitions. [2023-12-25 11:01:07,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:07,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2461 transitions. [2023-12-25 11:01:07,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-25 11:01:07,969 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:01:07,969 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:01:07,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-25 11:01:08,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:08,175 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:01:08,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:01:08,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1660067418, now seen corresponding path program 1 times [2023-12-25 11:01:08,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:01:08,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1394490970] [2023-12-25 11:01:08,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:01:08,180 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:08,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:01:08,181 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:01:08,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-25 11:01:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:01:08,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 11:01:08,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:01:08,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:01:08,840 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:01:08,840 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:01:08,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1394490970] [2023-12-25 11:01:08,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1394490970] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:01:08,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:01:08,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 11:01:08,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983266010] [2023-12-25 11:01:08,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:01:08,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 11:01:08,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:01:08,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 11:01:08,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 11:01:08,845 INFO L87 Difference]: Start difference. First operand 1775 states and 2461 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:09,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:01:09,630 INFO L93 Difference]: Finished difference Result 3239 states and 4580 transitions. [2023-12-25 11:01:09,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 11:01:09,631 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2023-12-25 11:01:09,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:01:09,635 INFO L225 Difference]: With dead ends: 3239 [2023-12-25 11:01:09,635 INFO L226 Difference]: Without dead ends: 1650 [2023-12-25 11:01:09,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-25 11:01:09,638 INFO L413 NwaCegarLoop]: 890 mSDtfsCounter, 4662 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4662 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:01:09,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4662 Valid, 910 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 11:01:09,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1650 states. [2023-12-25 11:01:09,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1650 to 1650. [2023-12-25 11:01:09,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1650 states, 1621 states have (on average 1.4299814929056138) internal successors, (2318), 1649 states have internal predecessors, (2318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:09,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1650 states and 2318 transitions. [2023-12-25 11:01:09,656 INFO L78 Accepts]: Start accepts. Automaton has 1650 states and 2318 transitions. Word has length 101 [2023-12-25 11:01:09,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:01:09,657 INFO L495 AbstractCegarLoop]: Abstraction has 1650 states and 2318 transitions. [2023-12-25 11:01:09,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:09,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 2318 transitions. [2023-12-25 11:01:09,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-25 11:01:09,659 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:01:09,659 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:01:09,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-25 11:01:09,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:09,864 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:01:09,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:01:09,864 INFO L85 PathProgramCache]: Analyzing trace with hash 384936873, now seen corresponding path program 1 times [2023-12-25 11:01:09,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:01:09,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [530038962] [2023-12-25 11:01:09,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:01:09,865 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:09,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:01:09,866 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:01:09,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-25 11:01:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:01:10,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 11:01:10,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:01:10,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:01:10,605 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:01:10,605 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:01:10,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [530038962] [2023-12-25 11:01:10,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [530038962] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:01:10,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:01:10,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 11:01:10,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426770508] [2023-12-25 11:01:10,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:01:10,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 11:01:10,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:01:10,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 11:01:10,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 11:01:10,607 INFO L87 Difference]: Start difference. First operand 1650 states and 2318 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:11,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:01:11,291 INFO L93 Difference]: Finished difference Result 3114 states and 4435 transitions. [2023-12-25 11:01:11,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 11:01:11,291 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2023-12-25 11:01:11,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:01:11,297 INFO L225 Difference]: With dead ends: 3114 [2023-12-25 11:01:11,298 INFO L226 Difference]: Without dead ends: 1589 [2023-12-25 11:01:11,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-25 11:01:11,301 INFO L413 NwaCegarLoop]: 831 mSDtfsCounter, 2971 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2971 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:01:11,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2971 Valid, 859 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 11:01:11,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2023-12-25 11:01:11,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 1589. [2023-12-25 11:01:11,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1589 states, 1560 states have (on average 1.4403846153846154) internal successors, (2247), 1588 states have internal predecessors, (2247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:11,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1589 states and 2247 transitions. [2023-12-25 11:01:11,322 INFO L78 Accepts]: Start accepts. Automaton has 1589 states and 2247 transitions. Word has length 102 [2023-12-25 11:01:11,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:01:11,328 INFO L495 AbstractCegarLoop]: Abstraction has 1589 states and 2247 transitions. [2023-12-25 11:01:11,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:11,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 2247 transitions. [2023-12-25 11:01:11,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-25 11:01:11,331 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:01:11,331 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:01:11,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-25 11:01:11,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:11,535 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:01:11,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:01:11,535 INFO L85 PathProgramCache]: Analyzing trace with hash -2110422085, now seen corresponding path program 1 times [2023-12-25 11:01:11,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:01:11,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [844989416] [2023-12-25 11:01:11,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:01:11,536 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:11,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:01:11,553 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:01:11,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-25 11:01:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:01:11,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 11:01:11,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:01:12,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:01:12,198 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:01:12,198 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:01:12,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [844989416] [2023-12-25 11:01:12,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [844989416] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:01:12,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:01:12,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 11:01:12,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891136890] [2023-12-25 11:01:12,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:01:12,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 11:01:12,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:01:12,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 11:01:12,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 11:01:12,200 INFO L87 Difference]: Start difference. First operand 1589 states and 2247 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:12,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:01:12,968 INFO L93 Difference]: Finished difference Result 3053 states and 4362 transitions. [2023-12-25 11:01:12,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 11:01:12,969 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2023-12-25 11:01:12,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:01:12,984 INFO L225 Difference]: With dead ends: 3053 [2023-12-25 11:01:12,990 INFO L226 Difference]: Without dead ends: 1560 [2023-12-25 11:01:12,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-25 11:01:12,993 INFO L413 NwaCegarLoop]: 784 mSDtfsCounter, 4318 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4318 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:01:12,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4318 Valid, 820 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 11:01:12,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2023-12-25 11:01:13,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1560. [2023-12-25 11:01:13,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1560 states, 1531 states have (on average 1.4448073154800785) internal successors, (2212), 1559 states have internal predecessors, (2212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:13,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1560 states and 2212 transitions. [2023-12-25 11:01:13,019 INFO L78 Accepts]: Start accepts. Automaton has 1560 states and 2212 transitions. Word has length 103 [2023-12-25 11:01:13,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:01:13,020 INFO L495 AbstractCegarLoop]: Abstraction has 1560 states and 2212 transitions. [2023-12-25 11:01:13,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:13,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 2212 transitions. [2023-12-25 11:01:13,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-25 11:01:13,024 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:01:13,024 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:01:13,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-25 11:01:13,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:13,229 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:01:13,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:01:13,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1792129770, now seen corresponding path program 1 times [2023-12-25 11:01:13,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:01:13,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [873046225] [2023-12-25 11:01:13,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:01:13,230 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:13,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:01:13,231 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:01:13,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-25 11:01:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:01:13,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 11:01:13,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:01:13,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:01:13,787 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:01:13,788 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:01:13,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [873046225] [2023-12-25 11:01:13,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [873046225] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:01:13,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:01:13,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 11:01:13,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110403708] [2023-12-25 11:01:13,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:01:13,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 11:01:13,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:01:13,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 11:01:13,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 11:01:13,789 INFO L87 Difference]: Start difference. First operand 1560 states and 2212 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:14,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:01:14,431 INFO L93 Difference]: Finished difference Result 3024 states and 4325 transitions. [2023-12-25 11:01:14,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 11:01:14,431 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2023-12-25 11:01:14,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:01:14,435 INFO L225 Difference]: With dead ends: 3024 [2023-12-25 11:01:14,435 INFO L226 Difference]: Without dead ends: 1547 [2023-12-25 11:01:14,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-25 11:01:14,437 INFO L413 NwaCegarLoop]: 724 mSDtfsCounter, 2833 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2833 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:01:14,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2833 Valid, 768 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 11:01:14,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1547 states. [2023-12-25 11:01:14,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1547 to 1547. [2023-12-25 11:01:14,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1518 states have (on average 1.4459815546772068) internal successors, (2195), 1546 states have internal predecessors, (2195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:14,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2195 transitions. [2023-12-25 11:01:14,453 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2195 transitions. Word has length 104 [2023-12-25 11:01:14,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:01:14,454 INFO L495 AbstractCegarLoop]: Abstraction has 1547 states and 2195 transitions. [2023-12-25 11:01:14,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:14,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2195 transitions. [2023-12-25 11:01:14,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-25 11:01:14,456 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:01:14,456 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:01:14,460 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-12-25 11:01:14,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:14,660 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:01:14,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:01:14,660 INFO L85 PathProgramCache]: Analyzing trace with hash 44508188, now seen corresponding path program 1 times [2023-12-25 11:01:14,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:01:14,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [505279692] [2023-12-25 11:01:14,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:01:14,661 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:14,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:01:14,662 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:01:14,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-25 11:01:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:01:14,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 11:01:14,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:01:15,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:01:15,236 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:01:15,236 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:01:15,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [505279692] [2023-12-25 11:01:15,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [505279692] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:01:15,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:01:15,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 11:01:15,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480967038] [2023-12-25 11:01:15,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:01:15,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 11:01:15,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:01:15,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 11:01:15,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 11:01:15,240 INFO L87 Difference]: Start difference. First operand 1547 states and 2195 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:16,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:01:16,184 INFO L93 Difference]: Finished difference Result 3011 states and 4306 transitions. [2023-12-25 11:01:16,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 11:01:16,184 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2023-12-25 11:01:16,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:01:16,188 INFO L225 Difference]: With dead ends: 3011 [2023-12-25 11:01:16,188 INFO L226 Difference]: Without dead ends: 1542 [2023-12-25 11:01:16,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-25 11:01:16,190 INFO L413 NwaCegarLoop]: 596 mSDtfsCounter, 4182 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4182 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:01:16,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4182 Valid, 648 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 878 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 11:01:16,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1542 states. [2023-12-25 11:01:16,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 1542. [2023-12-25 11:01:16,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4454725710508922) internal successors, (2187), 1541 states have internal predecessors, (2187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:16,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2187 transitions. [2023-12-25 11:01:16,208 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2187 transitions. Word has length 105 [2023-12-25 11:01:16,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:01:16,208 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2187 transitions. [2023-12-25 11:01:16,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:16,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2187 transitions. [2023-12-25 11:01:16,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-25 11:01:16,210 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:01:16,210 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:01:16,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-12-25 11:01:16,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:16,415 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:01:16,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:01:16,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1511270635, now seen corresponding path program 1 times [2023-12-25 11:01:16,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:01:16,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1314465413] [2023-12-25 11:01:16,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:01:16,416 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:16,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:01:16,428 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:01:16,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-25 11:01:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:01:16,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:01:16,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:01:17,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:01:17,335 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:01:17,336 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:01:17,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1314465413] [2023-12-25 11:01:17,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1314465413] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:01:17,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:01:17,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:01:17,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085354418] [2023-12-25 11:01:17,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:01:17,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:01:17,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:01:17,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:01:17,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:01:17,337 INFO L87 Difference]: Start difference. First operand 1542 states and 2187 transitions. Second operand has 8 states, 8 states have (on average 13.25) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:20,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:01:20,936 INFO L93 Difference]: Finished difference Result 2196 states and 3081 transitions. [2023-12-25 11:01:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 11:01:20,936 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-25 11:01:20,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:01:20,940 INFO L225 Difference]: With dead ends: 2196 [2023-12-25 11:01:20,941 INFO L226 Difference]: Without dead ends: 1812 [2023-12-25 11:01:20,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-12-25 11:01:20,943 INFO L413 NwaCegarLoop]: 857 mSDtfsCounter, 6896 mSDsluCounter, 2630 mSDsCounter, 0 mSdLazyCounter, 2890 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6896 SdHoareTripleChecker+Valid, 3487 SdHoareTripleChecker+Invalid, 2895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-25 11:01:20,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6896 Valid, 3487 Invalid, 2895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2890 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-25 11:01:20,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states. [2023-12-25 11:01:20,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 1542. [2023-12-25 11:01:20,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.444811632518176) internal successors, (2186), 1541 states have internal predecessors, (2186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:20,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2186 transitions. [2023-12-25 11:01:20,962 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2186 transitions. Word has length 106 [2023-12-25 11:01:20,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:01:20,963 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2186 transitions. [2023-12-25 11:01:20,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:20,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2186 transitions. [2023-12-25 11:01:20,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-25 11:01:20,966 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:01:20,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:01:20,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-12-25 11:01:21,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:21,177 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:01:21,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:01:21,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1798506288, now seen corresponding path program 1 times [2023-12-25 11:01:21,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:01:21,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1233580700] [2023-12-25 11:01:21,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:01:21,178 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:21,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:01:21,184 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:01:21,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-25 11:01:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:01:21,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:01:21,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:01:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:01:22,157 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:01:22,157 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:01:22,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1233580700] [2023-12-25 11:01:22,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1233580700] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:01:22,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:01:22,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:01:22,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227496460] [2023-12-25 11:01:22,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:01:22,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:01:22,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:01:22,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:01:22,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:01:22,158 INFO L87 Difference]: Start difference. First operand 1542 states and 2186 transitions. Second operand has 8 states, 8 states have (on average 13.25) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:25,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:01:25,000 INFO L93 Difference]: Finished difference Result 1969 states and 2825 transitions. [2023-12-25 11:01:25,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:01:25,001 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-25 11:01:25,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:01:25,005 INFO L225 Difference]: With dead ends: 1969 [2023-12-25 11:01:25,005 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:01:25,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:01:25,007 INFO L413 NwaCegarLoop]: 854 mSDtfsCounter, 4856 mSDsluCounter, 2284 mSDsCounter, 0 mSdLazyCounter, 2623 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4856 SdHoareTripleChecker+Valid, 3138 SdHoareTripleChecker+Invalid, 2628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:01:25,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4856 Valid, 3138 Invalid, 2628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2623 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:01:25,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:01:25,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:01:25,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4441506939854594) internal successors, (2185), 1541 states have internal predecessors, (2185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:25,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2185 transitions. [2023-12-25 11:01:25,025 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2185 transitions. Word has length 106 [2023-12-25 11:01:25,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:01:25,025 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2185 transitions. [2023-12-25 11:01:25,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:25,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2185 transitions. [2023-12-25 11:01:25,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-25 11:01:25,027 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:01:25,027 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:01:25,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-12-25 11:01:25,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:25,232 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:01:25,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:01:25,235 INFO L85 PathProgramCache]: Analyzing trace with hash -43154195, now seen corresponding path program 1 times [2023-12-25 11:01:25,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:01:25,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1888015447] [2023-12-25 11:01:25,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:01:25,236 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:25,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:01:25,237 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:01:25,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-25 11:01:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:01:25,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-25 11:01:25,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:01:25,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:01:25,966 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:01:25,966 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:01:25,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1888015447] [2023-12-25 11:01:25,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1888015447] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:01:25,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:01:25,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 11:01:25,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976382501] [2023-12-25 11:01:25,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:01:25,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 11:01:25,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:01:25,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 11:01:25,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-25 11:01:25,967 INFO L87 Difference]: Start difference. First operand 1542 states and 2185 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:28,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:01:28,119 INFO L93 Difference]: Finished difference Result 2202 states and 3107 transitions. [2023-12-25 11:01:28,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 11:01:28,121 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-25 11:01:28,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:01:28,124 INFO L225 Difference]: With dead ends: 2202 [2023-12-25 11:01:28,124 INFO L226 Difference]: Without dead ends: 1542 [2023-12-25 11:01:28,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-12-25 11:01:28,126 INFO L413 NwaCegarLoop]: 593 mSDtfsCounter, 4212 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 1768 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4212 SdHoareTripleChecker+Valid, 1245 SdHoareTripleChecker+Invalid, 1833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-25 11:01:28,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4212 Valid, 1245 Invalid, 1833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1768 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-25 11:01:28,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1542 states. [2023-12-25 11:01:28,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 1542. [2023-12-25 11:01:28,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4434897554527428) internal successors, (2184), 1541 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:28,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2184 transitions. [2023-12-25 11:01:28,142 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2184 transitions. Word has length 106 [2023-12-25 11:01:28,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:01:28,143 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2184 transitions. [2023-12-25 11:01:28,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:28,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2184 transitions. [2023-12-25 11:01:28,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-25 11:01:28,145 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:01:28,145 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:01:28,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-12-25 11:01:28,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:28,350 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:01:28,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:01:28,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1774608653, now seen corresponding path program 1 times [2023-12-25 11:01:28,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:01:28,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1689295374] [2023-12-25 11:01:28,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:01:28,352 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:28,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:01:28,353 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:01:28,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-12-25 11:01:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:01:28,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:01:28,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:01:29,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:01:29,223 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:01:29,223 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:01:29,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1689295374] [2023-12-25 11:01:29,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1689295374] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:01:29,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:01:29,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:01:29,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787738327] [2023-12-25 11:01:29,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:01:29,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:01:29,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:01:29,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:01:29,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:01:29,225 INFO L87 Difference]: Start difference. First operand 1542 states and 2184 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:32,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:01:32,161 INFO L93 Difference]: Finished difference Result 1923 states and 2753 transitions. [2023-12-25 11:01:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:01:32,161 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2023-12-25 11:01:32,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:01:32,165 INFO L225 Difference]: With dead ends: 1923 [2023-12-25 11:01:32,165 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:01:32,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:01:32,166 INFO L413 NwaCegarLoop]: 872 mSDtfsCounter, 3268 mSDsluCounter, 2381 mSDsCounter, 0 mSdLazyCounter, 2700 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3268 SdHoareTripleChecker+Valid, 3253 SdHoareTripleChecker+Invalid, 2707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:01:32,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3268 Valid, 3253 Invalid, 2707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2700 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:01:32,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:01:32,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:01:32,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4428288169200265) internal successors, (2183), 1541 states have internal predecessors, (2183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:32,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2183 transitions. [2023-12-25 11:01:32,184 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2183 transitions. Word has length 108 [2023-12-25 11:01:32,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:01:32,185 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2183 transitions. [2023-12-25 11:01:32,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:32,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2183 transitions. [2023-12-25 11:01:32,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-25 11:01:32,187 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:01:32,187 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:01:32,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-12-25 11:01:32,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:32,391 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:01:32,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:01:32,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1111952338, now seen corresponding path program 1 times [2023-12-25 11:01:32,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:01:32,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1124633543] [2023-12-25 11:01:32,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:01:32,392 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:32,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:01:32,394 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:01:32,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-12-25 11:01:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:01:32,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:01:32,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:01:33,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:01:33,222 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:01:33,222 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:01:33,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1124633543] [2023-12-25 11:01:33,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1124633543] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:01:33,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:01:33,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:01:33,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360912117] [2023-12-25 11:01:33,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:01:33,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:01:33,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:01:33,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:01:33,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:01:33,224 INFO L87 Difference]: Start difference. First operand 1542 states and 2183 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:36,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:01:36,319 INFO L93 Difference]: Finished difference Result 1915 states and 2745 transitions. [2023-12-25 11:01:36,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:01:36,319 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2023-12-25 11:01:36,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:01:36,324 INFO L225 Difference]: With dead ends: 1915 [2023-12-25 11:01:36,324 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:01:36,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:01:36,325 INFO L413 NwaCegarLoop]: 852 mSDtfsCounter, 3306 mSDsluCounter, 2348 mSDsCounter, 0 mSdLazyCounter, 2682 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3306 SdHoareTripleChecker+Valid, 3200 SdHoareTripleChecker+Invalid, 2689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:01:36,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3306 Valid, 3200 Invalid, 2689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2682 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:01:36,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:01:36,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:01:36,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.44216787838731) internal successors, (2182), 1541 states have internal predecessors, (2182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:36,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2182 transitions. [2023-12-25 11:01:36,341 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2182 transitions. Word has length 108 [2023-12-25 11:01:36,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:01:36,341 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2182 transitions. [2023-12-25 11:01:36,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:36,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2182 transitions. [2023-12-25 11:01:36,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-25 11:01:36,343 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:01:36,343 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:01:36,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-12-25 11:01:36,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:36,547 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:01:36,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:01:36,547 INFO L85 PathProgramCache]: Analyzing trace with hash -507418736, now seen corresponding path program 1 times [2023-12-25 11:01:36,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:01:36,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [898403027] [2023-12-25 11:01:36,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:01:36,548 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:36,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:01:36,549 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:01:36,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-12-25 11:01:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:01:36,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:01:36,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:01:37,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:01:37,493 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:01:37,493 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:01:37,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [898403027] [2023-12-25 11:01:37,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [898403027] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:01:37,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:01:37,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:01:37,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023385] [2023-12-25 11:01:37,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:01:37,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:01:37,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:01:37,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:01:37,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:01:37,495 INFO L87 Difference]: Start difference. First operand 1542 states and 2182 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:40,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:01:40,295 INFO L93 Difference]: Finished difference Result 1992 states and 2844 transitions. [2023-12-25 11:01:40,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:01:40,296 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2023-12-25 11:01:40,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:01:40,300 INFO L225 Difference]: With dead ends: 1992 [2023-12-25 11:01:40,300 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:01:40,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:01:40,302 INFO L413 NwaCegarLoop]: 831 mSDtfsCounter, 5067 mSDsluCounter, 2209 mSDsCounter, 0 mSdLazyCounter, 2479 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5067 SdHoareTripleChecker+Valid, 3040 SdHoareTripleChecker+Invalid, 2485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:01:40,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5067 Valid, 3040 Invalid, 2485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2479 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 11:01:40,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:01:40,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:01:40,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4415069398545934) internal successors, (2181), 1541 states have internal predecessors, (2181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:40,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2181 transitions. [2023-12-25 11:01:40,323 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2181 transitions. Word has length 108 [2023-12-25 11:01:40,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:01:40,324 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2181 transitions. [2023-12-25 11:01:40,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:40,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2181 transitions. [2023-12-25 11:01:40,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-25 11:01:40,328 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:01:40,329 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:01:40,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2023-12-25 11:01:40,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:40,533 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:01:40,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:01:40,533 INFO L85 PathProgramCache]: Analyzing trace with hash 899330884, now seen corresponding path program 1 times [2023-12-25 11:01:40,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:01:40,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444426580] [2023-12-25 11:01:40,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:01:40,534 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:40,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:01:40,535 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:01:40,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-12-25 11:01:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:01:40,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:01:40,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:01:41,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:01:41,421 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:01:41,421 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:01:41,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444426580] [2023-12-25 11:01:41,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1444426580] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:01:41,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:01:41,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:01:41,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399032894] [2023-12-25 11:01:41,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:01:41,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:01:41,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:01:41,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:01:41,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:01:41,424 INFO L87 Difference]: Start difference. First operand 1542 states and 2181 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:44,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:01:44,340 INFO L93 Difference]: Finished difference Result 1923 states and 2751 transitions. [2023-12-25 11:01:44,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:01:44,340 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2023-12-25 11:01:44,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:01:44,344 INFO L225 Difference]: With dead ends: 1923 [2023-12-25 11:01:44,344 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:01:44,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:01:44,345 INFO L413 NwaCegarLoop]: 872 mSDtfsCounter, 3262 mSDsluCounter, 2377 mSDsCounter, 0 mSdLazyCounter, 2692 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3262 SdHoareTripleChecker+Valid, 3249 SdHoareTripleChecker+Invalid, 2699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:01:44,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3262 Valid, 3249 Invalid, 2699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2692 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:01:44,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:01:44,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:01:44,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4408460013218771) internal successors, (2180), 1541 states have internal predecessors, (2180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:44,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2180 transitions. [2023-12-25 11:01:44,359 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2180 transitions. Word has length 108 [2023-12-25 11:01:44,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:01:44,359 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2180 transitions. [2023-12-25 11:01:44,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:44,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2180 transitions. [2023-12-25 11:01:44,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-25 11:01:44,361 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:01:44,361 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:01:44,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2023-12-25 11:01:44,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:44,565 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:01:44,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:01:44,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1176238153, now seen corresponding path program 1 times [2023-12-25 11:01:44,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:01:44,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [54757286] [2023-12-25 11:01:44,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:01:44,566 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:44,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:01:44,567 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:01:44,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-12-25 11:01:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:01:44,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:01:44,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:01:45,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:01:45,368 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:01:45,369 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:01:45,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [54757286] [2023-12-25 11:01:45,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [54757286] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:01:45,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:01:45,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:01:45,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133807334] [2023-12-25 11:01:45,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:01:45,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:01:45,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:01:45,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:01:45,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:01:45,371 INFO L87 Difference]: Start difference. First operand 1542 states and 2180 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:48,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:01:48,306 INFO L93 Difference]: Finished difference Result 2074 states and 2962 transitions. [2023-12-25 11:01:48,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:01:48,307 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2023-12-25 11:01:48,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:01:48,311 INFO L225 Difference]: With dead ends: 2074 [2023-12-25 11:01:48,311 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:01:48,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:01:48,314 INFO L413 NwaCegarLoop]: 878 mSDtfsCounter, 3404 mSDsluCounter, 2312 mSDsCounter, 0 mSdLazyCounter, 2605 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3404 SdHoareTripleChecker+Valid, 3190 SdHoareTripleChecker+Invalid, 2610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:01:48,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3404 Valid, 3190 Invalid, 2610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2605 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:01:48,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:01:48,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:01:48,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.439524124256444) internal successors, (2178), 1541 states have internal predecessors, (2178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:48,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2178 transitions. [2023-12-25 11:01:48,329 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2178 transitions. Word has length 108 [2023-12-25 11:01:48,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:01:48,330 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2178 transitions. [2023-12-25 11:01:48,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:48,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2178 transitions. [2023-12-25 11:01:48,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-25 11:01:48,331 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:01:48,331 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:01:48,338 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2023-12-25 11:01:48,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:48,535 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:01:48,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:01:48,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1711979523, now seen corresponding path program 1 times [2023-12-25 11:01:48,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:01:48,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1268857360] [2023-12-25 11:01:48,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:01:48,536 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:48,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:01:48,537 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:01:48,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2023-12-25 11:01:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:01:48,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:01:48,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:01:49,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:01:49,334 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:01:49,334 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:01:49,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1268857360] [2023-12-25 11:01:49,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1268857360] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:01:49,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:01:49,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:01:49,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253090415] [2023-12-25 11:01:49,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:01:49,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:01:49,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:01:49,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:01:49,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:01:49,338 INFO L87 Difference]: Start difference. First operand 1542 states and 2178 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:52,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:01:52,388 INFO L93 Difference]: Finished difference Result 1966 states and 2811 transitions. [2023-12-25 11:01:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:01:52,389 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2023-12-25 11:01:52,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:01:52,393 INFO L225 Difference]: With dead ends: 1966 [2023-12-25 11:01:52,393 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:01:52,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:01:52,394 INFO L413 NwaCegarLoop]: 872 mSDtfsCounter, 4489 mSDsluCounter, 2381 mSDsCounter, 0 mSdLazyCounter, 2682 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4489 SdHoareTripleChecker+Valid, 3253 SdHoareTripleChecker+Invalid, 2689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:01:52,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4489 Valid, 3253 Invalid, 2689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2682 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:01:52,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:01:52,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:01:52,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4382022471910112) internal successors, (2176), 1541 states have internal predecessors, (2176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:52,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2176 transitions. [2023-12-25 11:01:52,409 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2176 transitions. Word has length 108 [2023-12-25 11:01:52,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:01:52,409 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2176 transitions. [2023-12-25 11:01:52,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:52,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2176 transitions. [2023-12-25 11:01:52,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-25 11:01:52,411 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:01:52,411 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:01:52,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2023-12-25 11:01:52,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:52,616 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:01:52,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:01:52,616 INFO L85 PathProgramCache]: Analyzing trace with hash -567046043, now seen corresponding path program 1 times [2023-12-25 11:01:52,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:01:52,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1538237653] [2023-12-25 11:01:52,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:01:52,617 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:52,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:01:52,618 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:01:52,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2023-12-25 11:01:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:01:52,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:01:52,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:01:53,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:01:53,632 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:01:53,632 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:01:53,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1538237653] [2023-12-25 11:01:53,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1538237653] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:01:53,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:01:53,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:01:53,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279884590] [2023-12-25 11:01:53,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:01:53,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:01:53,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:01:53,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:01:53,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:01:53,635 INFO L87 Difference]: Start difference. First operand 1542 states and 2176 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:57,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:01:57,111 INFO L93 Difference]: Finished difference Result 2462 states and 3435 transitions. [2023-12-25 11:01:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 11:01:57,112 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2023-12-25 11:01:57,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:01:57,127 INFO L225 Difference]: With dead ends: 2462 [2023-12-25 11:01:57,127 INFO L226 Difference]: Without dead ends: 1812 [2023-12-25 11:01:57,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-12-25 11:01:57,128 INFO L413 NwaCegarLoop]: 882 mSDtfsCounter, 6388 mSDsluCounter, 2546 mSDsCounter, 0 mSdLazyCounter, 2797 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6388 SdHoareTripleChecker+Valid, 3428 SdHoareTripleChecker+Invalid, 2803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-12-25 11:01:57,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6388 Valid, 3428 Invalid, 2803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2797 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-12-25 11:01:57,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states. [2023-12-25 11:01:57,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 1542. [2023-12-25 11:01:57,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4368803701255783) internal successors, (2174), 1541 states have internal predecessors, (2174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:57,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2174 transitions. [2023-12-25 11:01:57,142 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2174 transitions. Word has length 108 [2023-12-25 11:01:57,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:01:57,142 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2174 transitions. [2023-12-25 11:01:57,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:01:57,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2174 transitions. [2023-12-25 11:01:57,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-25 11:01:57,144 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:01:57,144 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:01:57,154 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2023-12-25 11:01:57,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:57,349 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:01:57,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:01:57,349 INFO L85 PathProgramCache]: Analyzing trace with hash 2070409836, now seen corresponding path program 1 times [2023-12-25 11:01:57,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:01:57,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [459002773] [2023-12-25 11:01:57,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:01:57,350 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:01:57,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:01:57,352 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:01:57,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2023-12-25 11:01:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:01:57,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:01:57,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:01:58,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:01:58,155 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:01:58,155 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:01:58,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [459002773] [2023-12-25 11:01:58,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [459002773] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:01:58,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:01:58,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:01:58,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193502752] [2023-12-25 11:01:58,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:01:58,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:01:58,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:01:58,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:01:58,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:01:58,158 INFO L87 Difference]: Start difference. First operand 1542 states and 2174 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:01,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:02:01,085 INFO L93 Difference]: Finished difference Result 1899 states and 2707 transitions. [2023-12-25 11:02:01,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:02:01,086 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2023-12-25 11:02:01,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:02:01,088 INFO L225 Difference]: With dead ends: 1899 [2023-12-25 11:02:01,088 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:02:01,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:02:01,089 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 3233 mSDsluCounter, 2370 mSDsCounter, 0 mSdLazyCounter, 2711 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3233 SdHoareTripleChecker+Valid, 3230 SdHoareTripleChecker+Invalid, 2722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:02:01,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3233 Valid, 3230 Invalid, 2722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2711 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:02:01,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:02:01,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:02:01,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4362194315928618) internal successors, (2173), 1541 states have internal predecessors, (2173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:01,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2173 transitions. [2023-12-25 11:02:01,102 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2173 transitions. Word has length 110 [2023-12-25 11:02:01,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:02:01,102 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2173 transitions. [2023-12-25 11:02:01,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:01,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2173 transitions. [2023-12-25 11:02:01,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-25 11:02:01,103 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:02:01,103 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:02:01,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2023-12-25 11:02:01,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:01,307 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:02:01,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:02:01,308 INFO L85 PathProgramCache]: Analyzing trace with hash -609046091, now seen corresponding path program 1 times [2023-12-25 11:02:01,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:02:01,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [200867094] [2023-12-25 11:02:01,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:02:01,308 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:01,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:02:01,309 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:02:01,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2023-12-25 11:02:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:02:01,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:02:01,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:02:02,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:02:02,126 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:02:02,127 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:02:02,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [200867094] [2023-12-25 11:02:02,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [200867094] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:02:02,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:02:02,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:02:02,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427808041] [2023-12-25 11:02:02,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:02:02,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:02:02,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:02:02,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:02:02,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:02:02,129 INFO L87 Difference]: Start difference. First operand 1542 states and 2173 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:05,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:02:05,298 INFO L93 Difference]: Finished difference Result 1893 states and 2701 transitions. [2023-12-25 11:02:05,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:02:05,298 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2023-12-25 11:02:05,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:02:05,310 INFO L225 Difference]: With dead ends: 1893 [2023-12-25 11:02:05,310 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:02:05,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:02:05,311 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 3225 mSDsluCounter, 2373 mSDsCounter, 0 mSdLazyCounter, 2711 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3225 SdHoareTripleChecker+Valid, 3233 SdHoareTripleChecker+Invalid, 2722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:02:05,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3225 Valid, 3233 Invalid, 2722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2711 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:02:05,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:02:05,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:02:05,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4355584930601455) internal successors, (2172), 1541 states have internal predecessors, (2172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:05,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2172 transitions. [2023-12-25 11:02:05,323 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2172 transitions. Word has length 110 [2023-12-25 11:02:05,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:02:05,323 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2172 transitions. [2023-12-25 11:02:05,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:05,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2172 transitions. [2023-12-25 11:02:05,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-25 11:02:05,325 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:02:05,325 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:02:05,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2023-12-25 11:02:05,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:05,528 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:02:05,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:02:05,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1547475906, now seen corresponding path program 1 times [2023-12-25 11:02:05,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:02:05,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1641373938] [2023-12-25 11:02:05,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:02:05,530 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:05,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:02:05,531 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:02:05,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2023-12-25 11:02:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:02:05,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:02:05,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:02:06,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:02:06,323 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:02:06,323 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:02:06,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1641373938] [2023-12-25 11:02:06,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1641373938] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:02:06,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:02:06,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:02:06,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549603932] [2023-12-25 11:02:06,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:02:06,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:02:06,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:02:06,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:02:06,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:02:06,325 INFO L87 Difference]: Start difference. First operand 1542 states and 2172 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:09,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:02:09,484 INFO L93 Difference]: Finished difference Result 1891 states and 2698 transitions. [2023-12-25 11:02:09,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:02:09,484 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2023-12-25 11:02:09,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:02:09,486 INFO L225 Difference]: With dead ends: 1891 [2023-12-25 11:02:09,486 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:02:09,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:02:09,487 INFO L413 NwaCegarLoop]: 852 mSDtfsCounter, 4624 mSDsluCounter, 2361 mSDsCounter, 0 mSdLazyCounter, 2689 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4624 SdHoareTripleChecker+Valid, 3213 SdHoareTripleChecker+Invalid, 2700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:02:09,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4624 Valid, 3213 Invalid, 2700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2689 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:02:09,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:02:09,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:02:09,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.434897554527429) internal successors, (2171), 1541 states have internal predecessors, (2171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:09,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2171 transitions. [2023-12-25 11:02:09,500 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2171 transitions. Word has length 110 [2023-12-25 11:02:09,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:02:09,500 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2171 transitions. [2023-12-25 11:02:09,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:09,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2171 transitions. [2023-12-25 11:02:09,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-25 11:02:09,502 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:02:09,502 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:02:09,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2023-12-25 11:02:09,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:09,706 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:02:09,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:02:09,706 INFO L85 PathProgramCache]: Analyzing trace with hash -2099765620, now seen corresponding path program 1 times [2023-12-25 11:02:09,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:02:09,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2015354527] [2023-12-25 11:02:09,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:02:09,709 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:09,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:02:09,710 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:02:09,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2023-12-25 11:02:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:02:10,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:02:10,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:02:10,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:02:10,557 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:02:10,557 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:02:10,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2015354527] [2023-12-25 11:02:10,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2015354527] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:02:10,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:02:10,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:02:10,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825503751] [2023-12-25 11:02:10,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:02:10,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:02:10,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:02:10,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:02:10,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:02:10,559 INFO L87 Difference]: Start difference. First operand 1542 states and 2171 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:13,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:02:13,553 INFO L93 Difference]: Finished difference Result 1893 states and 2699 transitions. [2023-12-25 11:02:13,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:02:13,554 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2023-12-25 11:02:13,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:02:13,556 INFO L225 Difference]: With dead ends: 1893 [2023-12-25 11:02:13,556 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:02:13,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:02:13,557 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 3221 mSDsluCounter, 2373 mSDsCounter, 0 mSdLazyCounter, 2703 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3221 SdHoareTripleChecker+Valid, 3233 SdHoareTripleChecker+Invalid, 2714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:02:13,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3221 Valid, 3233 Invalid, 2714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2703 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:02:13,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:02:13,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:02:13,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4342366159947124) internal successors, (2170), 1541 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:13,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2170 transitions. [2023-12-25 11:02:13,570 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2170 transitions. Word has length 110 [2023-12-25 11:02:13,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:02:13,570 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2170 transitions. [2023-12-25 11:02:13,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:13,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2170 transitions. [2023-12-25 11:02:13,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-25 11:02:13,572 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:02:13,572 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:02:13,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2023-12-25 11:02:13,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:13,776 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:02:13,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:02:13,777 INFO L85 PathProgramCache]: Analyzing trace with hash -583741300, now seen corresponding path program 1 times [2023-12-25 11:02:13,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:02:13,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290402240] [2023-12-25 11:02:13,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:02:13,777 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:13,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:02:13,779 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:02:13,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2023-12-25 11:02:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:02:14,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:02:14,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:02:14,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:02:14,703 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:02:14,703 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:02:14,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290402240] [2023-12-25 11:02:14,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [290402240] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:02:14,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:02:14,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:02:14,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721143190] [2023-12-25 11:02:14,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:02:14,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:02:14,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:02:14,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:02:14,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:02:14,705 INFO L87 Difference]: Start difference. First operand 1542 states and 2170 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:18,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:02:18,006 INFO L93 Difference]: Finished difference Result 1899 states and 2704 transitions. [2023-12-25 11:02:18,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:02:18,008 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2023-12-25 11:02:18,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:02:18,010 INFO L225 Difference]: With dead ends: 1899 [2023-12-25 11:02:18,010 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:02:18,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:02:18,011 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 3226 mSDsluCounter, 2367 mSDsCounter, 0 mSdLazyCounter, 2697 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3226 SdHoareTripleChecker+Valid, 3227 SdHoareTripleChecker+Invalid, 2708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-25 11:02:18,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3226 Valid, 3227 Invalid, 2708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2697 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-25 11:02:18,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:02:18,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:02:18,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.433575677461996) internal successors, (2169), 1541 states have internal predecessors, (2169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:18,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2169 transitions. [2023-12-25 11:02:18,029 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2169 transitions. Word has length 110 [2023-12-25 11:02:18,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:02:18,029 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2169 transitions. [2023-12-25 11:02:18,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:18,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2169 transitions. [2023-12-25 11:02:18,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-25 11:02:18,046 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:02:18,046 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:02:18,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2023-12-25 11:02:18,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:18,252 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:02:18,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:02:18,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1881631338, now seen corresponding path program 1 times [2023-12-25 11:02:18,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:02:18,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1844335986] [2023-12-25 11:02:18,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:02:18,253 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:18,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:02:18,255 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:02:18,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2023-12-25 11:02:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:02:18,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:02:18,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:02:19,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:02:19,032 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:02:19,032 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:02:19,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1844335986] [2023-12-25 11:02:19,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1844335986] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:02:19,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:02:19,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:02:19,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962890060] [2023-12-25 11:02:19,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:02:19,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:02:19,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:02:19,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:02:19,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:02:19,033 INFO L87 Difference]: Start difference. First operand 1542 states and 2169 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:22,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:02:22,308 INFO L93 Difference]: Finished difference Result 1938 states and 2753 transitions. [2023-12-25 11:02:22,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:02:22,309 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2023-12-25 11:02:22,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:02:22,311 INFO L225 Difference]: With dead ends: 1938 [2023-12-25 11:02:22,311 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:02:22,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:02:22,312 INFO L413 NwaCegarLoop]: 872 mSDtfsCounter, 3262 mSDsluCounter, 2361 mSDsCounter, 0 mSdLazyCounter, 2653 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3262 SdHoareTripleChecker+Valid, 3233 SdHoareTripleChecker+Invalid, 2660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-25 11:02:22,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3262 Valid, 3233 Invalid, 2660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2653 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-25 11:02:22,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:02:22,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:02:22,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4329147389292796) internal successors, (2168), 1541 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:22,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2168 transitions. [2023-12-25 11:02:22,326 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2168 transitions. Word has length 110 [2023-12-25 11:02:22,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:02:22,326 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2168 transitions. [2023-12-25 11:02:22,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:22,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2168 transitions. [2023-12-25 11:02:22,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-25 11:02:22,328 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:02:22,328 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:02:22,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2023-12-25 11:02:22,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:22,538 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:02:22,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:02:22,538 INFO L85 PathProgramCache]: Analyzing trace with hash 656800929, now seen corresponding path program 1 times [2023-12-25 11:02:22,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:02:22,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [115253690] [2023-12-25 11:02:22,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:02:22,539 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:22,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:02:22,540 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:02:22,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2023-12-25 11:02:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:02:22,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:02:22,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:02:23,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:02:23,350 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:02:23,350 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:02:23,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [115253690] [2023-12-25 11:02:23,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [115253690] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:02:23,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:02:23,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:02:23,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542398181] [2023-12-25 11:02:23,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:02:23,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:02:23,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:02:23,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:02:23,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:02:23,352 INFO L87 Difference]: Start difference. First operand 1542 states and 2168 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:26,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:02:26,587 INFO L93 Difference]: Finished difference Result 1893 states and 2696 transitions. [2023-12-25 11:02:26,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:02:26,588 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2023-12-25 11:02:26,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:02:26,590 INFO L225 Difference]: With dead ends: 1893 [2023-12-25 11:02:26,590 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:02:26,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:02:26,591 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 3214 mSDsluCounter, 2372 mSDsCounter, 0 mSdLazyCounter, 2693 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3214 SdHoareTripleChecker+Valid, 3232 SdHoareTripleChecker+Invalid, 2704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:02:26,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3214 Valid, 3232 Invalid, 2704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2693 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:02:26,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:02:26,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:02:26,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.432253800396563) internal successors, (2167), 1541 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:26,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2167 transitions. [2023-12-25 11:02:26,612 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2167 transitions. Word has length 110 [2023-12-25 11:02:26,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:02:26,612 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2167 transitions. [2023-12-25 11:02:26,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:26,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2167 transitions. [2023-12-25 11:02:26,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-25 11:02:26,614 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:02:26,614 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:02:26,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2023-12-25 11:02:26,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:26,815 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:02:26,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:02:26,815 INFO L85 PathProgramCache]: Analyzing trace with hash -959118563, now seen corresponding path program 1 times [2023-12-25 11:02:26,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:02:26,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2064438174] [2023-12-25 11:02:26,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:02:26,816 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:26,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:02:26,817 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:02:26,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2023-12-25 11:02:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:02:27,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:02:27,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:02:27,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:02:27,629 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:02:27,629 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:02:27,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2064438174] [2023-12-25 11:02:27,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2064438174] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:02:27,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:02:27,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:02:27,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455647645] [2023-12-25 11:02:27,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:02:27,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:02:27,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:02:27,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:02:27,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:02:27,630 INFO L87 Difference]: Start difference. First operand 1542 states and 2167 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:30,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:02:30,578 INFO L93 Difference]: Finished difference Result 1899 states and 2701 transitions. [2023-12-25 11:02:30,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:02:30,578 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2023-12-25 11:02:30,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:02:30,580 INFO L225 Difference]: With dead ends: 1899 [2023-12-25 11:02:30,580 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:02:30,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:02:30,581 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 3219 mSDsluCounter, 2367 mSDsCounter, 0 mSdLazyCounter, 2686 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3219 SdHoareTripleChecker+Valid, 3227 SdHoareTripleChecker+Invalid, 2697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:02:30,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3219 Valid, 3227 Invalid, 2697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2686 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:02:30,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:02:30,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:02:30,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4315928618638467) internal successors, (2166), 1541 states have internal predecessors, (2166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:30,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2166 transitions. [2023-12-25 11:02:30,593 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2166 transitions. Word has length 110 [2023-12-25 11:02:30,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:02:30,593 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2166 transitions. [2023-12-25 11:02:30,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:30,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2166 transitions. [2023-12-25 11:02:30,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-25 11:02:30,595 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:02:30,595 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:02:30,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2023-12-25 11:02:30,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:30,795 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:02:30,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:02:30,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1792170171, now seen corresponding path program 1 times [2023-12-25 11:02:30,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:02:30,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [661363477] [2023-12-25 11:02:30,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:02:30,796 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:30,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:02:30,798 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:02:30,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2023-12-25 11:02:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:02:31,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:02:31,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:02:31,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:02:31,562 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:02:31,562 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:02:31,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [661363477] [2023-12-25 11:02:31,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [661363477] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:02:31,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:02:31,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:02:31,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388447681] [2023-12-25 11:02:31,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:02:31,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:02:31,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:02:31,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:02:31,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:02:31,563 INFO L87 Difference]: Start difference. First operand 1542 states and 2166 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:34,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:02:34,602 INFO L93 Difference]: Finished difference Result 1918 states and 2727 transitions. [2023-12-25 11:02:34,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:02:34,602 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2023-12-25 11:02:34,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:02:34,605 INFO L225 Difference]: With dead ends: 1918 [2023-12-25 11:02:34,605 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:02:34,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:02:34,606 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 4570 mSDsluCounter, 2370 mSDsCounter, 0 mSdLazyCounter, 2680 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4570 SdHoareTripleChecker+Valid, 3230 SdHoareTripleChecker+Invalid, 2691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:02:34,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4570 Valid, 3230 Invalid, 2691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2680 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:02:34,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:02:34,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:02:34,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4302709847984139) internal successors, (2164), 1541 states have internal predecessors, (2164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:34,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2164 transitions. [2023-12-25 11:02:34,634 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2164 transitions. Word has length 110 [2023-12-25 11:02:34,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:02:34,634 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2164 transitions. [2023-12-25 11:02:34,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:34,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2164 transitions. [2023-12-25 11:02:34,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-25 11:02:34,652 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:02:34,653 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:02:34,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2023-12-25 11:02:34,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:34,853 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:02:34,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:02:34,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1204907087, now seen corresponding path program 1 times [2023-12-25 11:02:34,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:02:34,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1824090512] [2023-12-25 11:02:34,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:02:34,854 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:34,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:02:34,856 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:02:34,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2023-12-25 11:02:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:02:35,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:02:35,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:02:35,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:02:35,667 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:02:35,667 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:02:35,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1824090512] [2023-12-25 11:02:35,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1824090512] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:02:35,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:02:35,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:02:35,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563571070] [2023-12-25 11:02:35,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:02:35,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:02:35,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:02:35,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:02:35,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:02:35,668 INFO L87 Difference]: Start difference. First operand 1542 states and 2164 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:38,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:02:38,742 INFO L93 Difference]: Finished difference Result 1972 states and 2797 transitions. [2023-12-25 11:02:38,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:02:38,742 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2023-12-25 11:02:38,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:02:38,745 INFO L225 Difference]: With dead ends: 1972 [2023-12-25 11:02:38,745 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:02:38,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:02:38,746 INFO L413 NwaCegarLoop]: 872 mSDtfsCounter, 4607 mSDsluCounter, 2368 mSDsCounter, 0 mSdLazyCounter, 2634 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4607 SdHoareTripleChecker+Valid, 3240 SdHoareTripleChecker+Invalid, 2641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:02:38,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4607 Valid, 3240 Invalid, 2641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2634 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:02:38,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:02:38,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:02:38,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4289491077329808) internal successors, (2162), 1541 states have internal predecessors, (2162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:38,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2162 transitions. [2023-12-25 11:02:38,761 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2162 transitions. Word has length 110 [2023-12-25 11:02:38,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:02:38,761 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2162 transitions. [2023-12-25 11:02:38,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:38,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2162 transitions. [2023-12-25 11:02:38,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-25 11:02:38,763 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:02:38,763 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:02:38,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2023-12-25 11:02:38,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:38,967 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:02:38,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:02:38,968 INFO L85 PathProgramCache]: Analyzing trace with hash -550740200, now seen corresponding path program 1 times [2023-12-25 11:02:38,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:02:38,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [994348245] [2023-12-25 11:02:38,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:02:38,968 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:38,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:02:38,969 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:02:38,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2023-12-25 11:02:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:02:39,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:02:39,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:02:39,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:02:39,746 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:02:39,746 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:02:39,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [994348245] [2023-12-25 11:02:39,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [994348245] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:02:39,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:02:39,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:02:39,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454111972] [2023-12-25 11:02:39,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:02:39,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:02:39,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:02:39,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:02:39,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:02:39,748 INFO L87 Difference]: Start difference. First operand 1542 states and 2162 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:42,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:02:42,743 INFO L93 Difference]: Finished difference Result 1912 states and 2718 transitions. [2023-12-25 11:02:42,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:02:42,743 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2023-12-25 11:02:42,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:02:42,746 INFO L225 Difference]: With dead ends: 1912 [2023-12-25 11:02:42,746 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:02:42,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:02:42,747 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 3205 mSDsluCounter, 2373 mSDsCounter, 0 mSdLazyCounter, 2677 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3205 SdHoareTripleChecker+Valid, 3233 SdHoareTripleChecker+Invalid, 2688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:02:42,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3205 Valid, 3233 Invalid, 2688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2677 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:02:42,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:02:42,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:02:42,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.427627230667548) internal successors, (2160), 1541 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:42,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2160 transitions. [2023-12-25 11:02:42,775 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2160 transitions. Word has length 110 [2023-12-25 11:02:42,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:02:42,775 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2160 transitions. [2023-12-25 11:02:42,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:42,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2160 transitions. [2023-12-25 11:02:42,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-25 11:02:42,777 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:02:42,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:02:42,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2023-12-25 11:02:42,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:42,983 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:02:42,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:02:42,984 INFO L85 PathProgramCache]: Analyzing trace with hash 2127419862, now seen corresponding path program 1 times [2023-12-25 11:02:42,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:02:42,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [42609056] [2023-12-25 11:02:42,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:02:42,984 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:42,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:02:42,985 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:02:42,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2023-12-25 11:02:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:02:43,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:02:43,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:02:43,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:02:43,799 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:02:43,799 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:02:43,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [42609056] [2023-12-25 11:02:43,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [42609056] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:02:43,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:02:43,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:02:43,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129676221] [2023-12-25 11:02:43,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:02:43,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:02:43,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:02:43,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:02:43,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:02:43,801 INFO L87 Difference]: Start difference. First operand 1542 states and 2160 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:46,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:02:46,930 INFO L93 Difference]: Finished difference Result 1918 states and 2721 transitions. [2023-12-25 11:02:46,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:02:46,930 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2023-12-25 11:02:46,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:02:46,933 INFO L225 Difference]: With dead ends: 1918 [2023-12-25 11:02:46,933 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:02:46,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:02:46,934 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 3209 mSDsluCounter, 2370 mSDsCounter, 0 mSdLazyCounter, 2669 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3209 SdHoareTripleChecker+Valid, 3230 SdHoareTripleChecker+Invalid, 2680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:02:46,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3209 Valid, 3230 Invalid, 2680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2669 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:02:46,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:02:46,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:02:46,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.426305353602115) internal successors, (2158), 1541 states have internal predecessors, (2158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:46,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2158 transitions. [2023-12-25 11:02:46,949 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2158 transitions. Word has length 110 [2023-12-25 11:02:46,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:02:46,949 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2158 transitions. [2023-12-25 11:02:46,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:46,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2158 transitions. [2023-12-25 11:02:46,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-25 11:02:46,952 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:02:46,952 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:02:46,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2023-12-25 11:02:47,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:47,176 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:02:47,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:02:47,177 INFO L85 PathProgramCache]: Analyzing trace with hash 915039500, now seen corresponding path program 1 times [2023-12-25 11:02:47,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:02:47,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [736444846] [2023-12-25 11:02:47,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:02:47,177 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:47,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:02:47,178 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:02:47,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2023-12-25 11:02:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:02:47,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:02:47,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:02:48,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:02:48,021 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:02:48,021 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:02:48,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [736444846] [2023-12-25 11:02:48,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [736444846] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:02:48,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:02:48,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:02:48,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294867344] [2023-12-25 11:02:48,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:02:48,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:02:48,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:02:48,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:02:48,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:02:48,022 INFO L87 Difference]: Start difference. First operand 1542 states and 2158 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:51,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:02:51,228 INFO L93 Difference]: Finished difference Result 1922 states and 2725 transitions. [2023-12-25 11:02:51,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:02:51,229 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2023-12-25 11:02:51,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:02:51,231 INFO L225 Difference]: With dead ends: 1922 [2023-12-25 11:02:51,231 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:02:51,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:02:51,232 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 4558 mSDsluCounter, 2367 mSDsCounter, 0 mSdLazyCounter, 2667 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4558 SdHoareTripleChecker+Valid, 3227 SdHoareTripleChecker+Invalid, 2678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:02:51,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4558 Valid, 3227 Invalid, 2678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2667 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:02:51,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:02:51,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:02:51,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.424983476536682) internal successors, (2156), 1541 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:51,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2156 transitions. [2023-12-25 11:02:51,244 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2156 transitions. Word has length 110 [2023-12-25 11:02:51,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:02:51,244 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2156 transitions. [2023-12-25 11:02:51,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:51,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2156 transitions. [2023-12-25 11:02:51,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-25 11:02:51,246 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:02:51,246 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:02:51,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2023-12-25 11:02:51,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:51,450 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:02:51,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:02:51,450 INFO L85 PathProgramCache]: Analyzing trace with hash -382850538, now seen corresponding path program 1 times [2023-12-25 11:02:51,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:02:51,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1320063380] [2023-12-25 11:02:51,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:02:51,451 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:51,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:02:51,452 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:02:51,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2023-12-25 11:02:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:02:51,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:02:51,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:02:52,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:02:52,354 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:02:52,354 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:02:52,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1320063380] [2023-12-25 11:02:52,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1320063380] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:02:52,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:02:52,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:02:52,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465097778] [2023-12-25 11:02:52,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:02:52,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:02:52,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:02:52,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:02:52,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:02:52,356 INFO L87 Difference]: Start difference. First operand 1542 states and 2156 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:55,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:02:55,523 INFO L93 Difference]: Finished difference Result 1988 states and 2814 transitions. [2023-12-25 11:02:55,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:02:55,524 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2023-12-25 11:02:55,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:02:55,526 INFO L225 Difference]: With dead ends: 1988 [2023-12-25 11:02:55,526 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:02:55,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:02:55,527 INFO L413 NwaCegarLoop]: 872 mSDtfsCounter, 3246 mSDsluCounter, 2361 mSDsCounter, 0 mSdLazyCounter, 2621 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3246 SdHoareTripleChecker+Valid, 3233 SdHoareTripleChecker+Invalid, 2628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:02:55,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3246 Valid, 3233 Invalid, 2628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2621 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:02:55,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:02:55,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:02:55,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4236615994712492) internal successors, (2154), 1541 states have internal predecessors, (2154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:55,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2154 transitions. [2023-12-25 11:02:55,539 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2154 transitions. Word has length 110 [2023-12-25 11:02:55,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:02:55,539 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2154 transitions. [2023-12-25 11:02:55,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:55,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2154 transitions. [2023-12-25 11:02:55,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-25 11:02:55,541 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:02:55,541 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:02:55,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2023-12-25 11:02:55,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:55,745 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:02:55,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:02:55,746 INFO L85 PathProgramCache]: Analyzing trace with hash -715976179, now seen corresponding path program 1 times [2023-12-25 11:02:55,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:02:55,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [263745908] [2023-12-25 11:02:55,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:02:55,746 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:55,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:02:55,747 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:02:55,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2023-12-25 11:02:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:02:56,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:02:56,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:02:56,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:02:56,593 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:02:56,594 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:02:56,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [263745908] [2023-12-25 11:02:56,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [263745908] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:02:56,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:02:56,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:02:56,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308419293] [2023-12-25 11:02:56,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:02:56,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:02:56,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:02:56,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:02:56,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:02:56,595 INFO L87 Difference]: Start difference. First operand 1542 states and 2154 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:59,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:02:59,545 INFO L93 Difference]: Finished difference Result 2128 states and 3000 transitions. [2023-12-25 11:02:59,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:02:59,546 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2023-12-25 11:02:59,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:02:59,548 INFO L225 Difference]: With dead ends: 2128 [2023-12-25 11:02:59,548 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:02:59,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:02:59,549 INFO L413 NwaCegarLoop]: 878 mSDtfsCounter, 4776 mSDsluCounter, 2262 mSDsCounter, 0 mSdLazyCounter, 2536 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4776 SdHoareTripleChecker+Valid, 3140 SdHoareTripleChecker+Invalid, 2541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:02:59,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4776 Valid, 3140 Invalid, 2541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2536 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:02:59,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:02:59,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:02:59,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4223397224058163) internal successors, (2152), 1541 states have internal predecessors, (2152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:59,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2152 transitions. [2023-12-25 11:02:59,563 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2152 transitions. Word has length 110 [2023-12-25 11:02:59,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:02:59,564 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2152 transitions. [2023-12-25 11:02:59,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:02:59,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2152 transitions. [2023-12-25 11:02:59,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:02:59,565 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:02:59,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:02:59,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2023-12-25 11:02:59,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:59,769 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:02:59,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:02:59,769 INFO L85 PathProgramCache]: Analyzing trace with hash 294585012, now seen corresponding path program 1 times [2023-12-25 11:02:59,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:02:59,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [522467063] [2023-12-25 11:02:59,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:02:59,770 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:02:59,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:02:59,772 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:02:59,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2023-12-25 11:03:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:03:00,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:03:00,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:03:00,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:03:00,614 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:03:00,614 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:03:00,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [522467063] [2023-12-25 11:03:00,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [522467063] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:03:00,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:03:00,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:03:00,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42130724] [2023-12-25 11:03:00,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:03:00,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:03:00,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:03:00,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:03:00,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:03:00,616 INFO L87 Difference]: Start difference. First operand 1542 states and 2152 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:03,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:03:03,903 INFO L93 Difference]: Finished difference Result 1886 states and 2666 transitions. [2023-12-25 11:03:03,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:03:03,903 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:03:03,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:03:03,905 INFO L225 Difference]: With dead ends: 1886 [2023-12-25 11:03:03,906 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:03:03,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:03:03,906 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 3276 mSDsluCounter, 2285 mSDsCounter, 0 mSdLazyCounter, 2678 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3276 SdHoareTripleChecker+Valid, 3121 SdHoareTripleChecker+Invalid, 2697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-25 11:03:03,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3276 Valid, 3121 Invalid, 2697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2678 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-25 11:03:03,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:03:03,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:03:03,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4216787838730998) internal successors, (2151), 1541 states have internal predecessors, (2151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:03,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2151 transitions. [2023-12-25 11:03:03,919 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2151 transitions. Word has length 112 [2023-12-25 11:03:03,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:03:03,920 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2151 transitions. [2023-12-25 11:03:03,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:03,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2151 transitions. [2023-12-25 11:03:03,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:03:03,921 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:03:03,921 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:03:03,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2023-12-25 11:03:04,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:04,126 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:03:04,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:03:04,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1558151312, now seen corresponding path program 1 times [2023-12-25 11:03:04,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:03:04,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286427630] [2023-12-25 11:03:04,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:03:04,127 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:04,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:03:04,128 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:03:04,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2023-12-25 11:03:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:03:04,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:03:04,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:03:04,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:03:04,950 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:03:04,950 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:03:04,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1286427630] [2023-12-25 11:03:04,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1286427630] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:03:04,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:03:04,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:03:04,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527285139] [2023-12-25 11:03:04,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:03:04,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:03:04,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:03:04,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:03:04,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:03:04,951 INFO L87 Difference]: Start difference. First operand 1542 states and 2151 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:08,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:03:08,222 INFO L93 Difference]: Finished difference Result 1882 states and 2662 transitions. [2023-12-25 11:03:08,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:03:08,222 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:03:08,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:03:08,225 INFO L225 Difference]: With dead ends: 1882 [2023-12-25 11:03:08,225 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:03:08,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:03:08,226 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 3270 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 2676 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3270 SdHoareTripleChecker+Valid, 3124 SdHoareTripleChecker+Invalid, 2695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-25 11:03:08,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3270 Valid, 3124 Invalid, 2695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2676 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-25 11:03:08,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:03:08,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:03:08,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4210178453403834) internal successors, (2150), 1541 states have internal predecessors, (2150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:08,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2150 transitions. [2023-12-25 11:03:08,240 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2150 transitions. Word has length 112 [2023-12-25 11:03:08,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:03:08,240 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2150 transitions. [2023-12-25 11:03:08,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:08,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2150 transitions. [2023-12-25 11:03:08,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:03:08,242 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:03:08,242 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:03:08,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2023-12-25 11:03:08,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:08,446 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:03:08,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:03:08,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1896693420, now seen corresponding path program 1 times [2023-12-25 11:03:08,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:03:08,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [96568794] [2023-12-25 11:03:08,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:03:08,447 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:08,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:03:08,448 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:03:08,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2023-12-25 11:03:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:03:08,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:03:08,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:03:09,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:03:09,315 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:03:09,316 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:03:09,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [96568794] [2023-12-25 11:03:09,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [96568794] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:03:09,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:03:09,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:03:09,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533206652] [2023-12-25 11:03:09,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:03:09,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:03:09,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:03:09,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:03:09,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:03:09,317 INFO L87 Difference]: Start difference. First operand 1542 states and 2150 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:12,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:03:12,420 INFO L93 Difference]: Finished difference Result 1882 states and 2661 transitions. [2023-12-25 11:03:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:03:12,420 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:03:12,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:03:12,422 INFO L225 Difference]: With dead ends: 1882 [2023-12-25 11:03:12,422 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:03:12,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:03:12,423 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 3268 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 2672 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3268 SdHoareTripleChecker+Valid, 3124 SdHoareTripleChecker+Invalid, 2691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:03:12,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3268 Valid, 3124 Invalid, 2691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2672 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:03:12,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:03:12,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:03:12,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.420356906807667) internal successors, (2149), 1541 states have internal predecessors, (2149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:12,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2149 transitions. [2023-12-25 11:03:12,435 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2149 transitions. Word has length 112 [2023-12-25 11:03:12,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:03:12,436 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2149 transitions. [2023-12-25 11:03:12,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:12,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2149 transitions. [2023-12-25 11:03:12,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:03:12,437 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:03:12,437 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:03:12,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Ended with exit code 0 [2023-12-25 11:03:12,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:12,641 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:03:12,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:03:12,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1908379433, now seen corresponding path program 1 times [2023-12-25 11:03:12,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:03:12,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [789086768] [2023-12-25 11:03:12,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:03:12,642 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:12,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:03:12,644 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:03:12,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2023-12-25 11:03:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:03:12,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:03:12,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:03:13,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:03:13,478 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:03:13,478 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:03:13,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [789086768] [2023-12-25 11:03:13,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [789086768] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:03:13,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:03:13,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:03:13,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907261705] [2023-12-25 11:03:13,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:03:13,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:03:13,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:03:13,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:03:13,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:03:13,480 INFO L87 Difference]: Start difference. First operand 1542 states and 2149 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:16,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:03:16,656 INFO L93 Difference]: Finished difference Result 1880 states and 2658 transitions. [2023-12-25 11:03:16,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:03:16,656 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:03:16,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:03:16,658 INFO L225 Difference]: With dead ends: 1880 [2023-12-25 11:03:16,658 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:03:16,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:03:16,659 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 3265 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 2670 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3265 SdHoareTripleChecker+Valid, 3124 SdHoareTripleChecker+Invalid, 2689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:03:16,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3265 Valid, 3124 Invalid, 2689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2670 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:03:16,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:03:16,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:03:16,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4196959682749504) internal successors, (2148), 1541 states have internal predecessors, (2148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:16,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2148 transitions. [2023-12-25 11:03:16,672 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2148 transitions. Word has length 112 [2023-12-25 11:03:16,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:03:16,672 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2148 transitions. [2023-12-25 11:03:16,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:16,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2148 transitions. [2023-12-25 11:03:16,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:03:16,673 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:03:16,674 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:03:16,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2023-12-25 11:03:16,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:16,878 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:03:16,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:03:16,878 INFO L85 PathProgramCache]: Analyzing trace with hash -729427139, now seen corresponding path program 1 times [2023-12-25 11:03:16,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:03:16,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1144517380] [2023-12-25 11:03:16,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:03:16,879 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:16,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:03:16,880 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:03:16,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2023-12-25 11:03:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:03:17,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:03:17,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:03:17,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:03:17,769 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:03:17,769 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:03:17,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1144517380] [2023-12-25 11:03:17,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1144517380] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:03:17,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:03:17,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:03:17,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880833221] [2023-12-25 11:03:17,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:03:17,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:03:17,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:03:17,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:03:17,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:03:17,776 INFO L87 Difference]: Start difference. First operand 1542 states and 2148 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:20,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:03:20,977 INFO L93 Difference]: Finished difference Result 1880 states and 2657 transitions. [2023-12-25 11:03:20,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:03:20,977 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:03:20,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:03:20,979 INFO L225 Difference]: With dead ends: 1880 [2023-12-25 11:03:20,979 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:03:20,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:03:20,980 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 3263 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 2666 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3263 SdHoareTripleChecker+Valid, 3124 SdHoareTripleChecker+Invalid, 2685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:03:20,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3263 Valid, 3124 Invalid, 2685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2666 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:03:20,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:03:20,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:03:20,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.419035029742234) internal successors, (2147), 1541 states have internal predecessors, (2147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:20,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2147 transitions. [2023-12-25 11:03:20,993 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2147 transitions. Word has length 112 [2023-12-25 11:03:21,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:03:21,016 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2147 transitions. [2023-12-25 11:03:21,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:21,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2147 transitions. [2023-12-25 11:03:21,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:03:21,018 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:03:21,019 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:03:21,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2023-12-25 11:03:21,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:21,223 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:03:21,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:03:21,224 INFO L85 PathProgramCache]: Analyzing trace with hash 224905291, now seen corresponding path program 1 times [2023-12-25 11:03:21,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:03:21,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1537605091] [2023-12-25 11:03:21,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:03:21,224 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:21,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:03:21,226 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:03:21,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2023-12-25 11:03:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:03:21,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:03:21,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:03:22,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:03:22,114 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:03:22,115 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:03:22,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1537605091] [2023-12-25 11:03:22,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1537605091] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:03:22,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:03:22,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:03:22,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010919969] [2023-12-25 11:03:22,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:03:22,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:03:22,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:03:22,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:03:22,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:03:22,116 INFO L87 Difference]: Start difference. First operand 1542 states and 2147 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:25,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:03:25,333 INFO L93 Difference]: Finished difference Result 1882 states and 2658 transitions. [2023-12-25 11:03:25,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:03:25,334 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:03:25,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:03:25,335 INFO L225 Difference]: With dead ends: 1882 [2023-12-25 11:03:25,335 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:03:25,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:03:25,336 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 3262 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 2660 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3262 SdHoareTripleChecker+Valid, 3124 SdHoareTripleChecker+Invalid, 2679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:03:25,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3262 Valid, 3124 Invalid, 2679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2660 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:03:25,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:03:25,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:03:25,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4183740912095175) internal successors, (2146), 1541 states have internal predecessors, (2146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:25,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2146 transitions. [2023-12-25 11:03:25,353 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2146 transitions. Word has length 112 [2023-12-25 11:03:25,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:03:25,354 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2146 transitions. [2023-12-25 11:03:25,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:25,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2146 transitions. [2023-12-25 11:03:25,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:03:25,356 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:03:25,356 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:03:25,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2023-12-25 11:03:25,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:25,560 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:03:25,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:03:25,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1201228785, now seen corresponding path program 1 times [2023-12-25 11:03:25,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:03:25,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1929337306] [2023-12-25 11:03:25,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:03:25,561 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:25,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:03:25,562 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:03:25,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2023-12-25 11:03:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:03:25,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:03:25,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:03:26,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:03:26,452 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:03:26,452 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:03:26,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1929337306] [2023-12-25 11:03:26,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1929337306] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:03:26,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:03:26,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:03:26,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044229105] [2023-12-25 11:03:26,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:03:26,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:03:26,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:03:26,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:03:26,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:03:26,453 INFO L87 Difference]: Start difference. First operand 1542 states and 2146 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:29,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:03:29,586 INFO L93 Difference]: Finished difference Result 1880 states and 2655 transitions. [2023-12-25 11:03:29,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:03:29,587 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:03:29,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:03:29,588 INFO L225 Difference]: With dead ends: 1880 [2023-12-25 11:03:29,588 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:03:29,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:03:29,592 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 3259 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 2658 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3259 SdHoareTripleChecker+Valid, 3124 SdHoareTripleChecker+Invalid, 2677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:03:29,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3259 Valid, 3124 Invalid, 2677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2658 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:03:29,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:03:29,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:03:29,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.417713152676801) internal successors, (2145), 1541 states have internal predecessors, (2145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:29,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2145 transitions. [2023-12-25 11:03:29,620 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2145 transitions. Word has length 112 [2023-12-25 11:03:29,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:03:29,620 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2145 transitions. [2023-12-25 11:03:29,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:29,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2145 transitions. [2023-12-25 11:03:29,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:03:29,622 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:03:29,622 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:03:29,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2023-12-25 11:03:29,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:29,826 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:03:29,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:03:29,826 INFO L85 PathProgramCache]: Analyzing trace with hash 497794837, now seen corresponding path program 1 times [2023-12-25 11:03:29,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:03:29,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1181979995] [2023-12-25 11:03:29,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:03:29,827 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:29,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:03:29,828 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:03:29,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2023-12-25 11:03:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:03:30,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:03:30,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:03:30,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:03:30,664 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:03:30,664 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:03:30,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1181979995] [2023-12-25 11:03:30,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1181979995] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:03:30,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:03:30,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:03:30,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107815311] [2023-12-25 11:03:30,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:03:30,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:03:30,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:03:30,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:03:30,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:03:30,666 INFO L87 Difference]: Start difference. First operand 1542 states and 2145 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:33,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:03:33,556 INFO L93 Difference]: Finished difference Result 1886 states and 2660 transitions. [2023-12-25 11:03:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:03:33,557 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:03:33,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:03:33,558 INFO L225 Difference]: With dead ends: 1886 [2023-12-25 11:03:33,558 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:03:33,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:03:33,562 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 3263 mSDsluCounter, 2283 mSDsCounter, 0 mSdLazyCounter, 2651 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3263 SdHoareTripleChecker+Valid, 3119 SdHoareTripleChecker+Invalid, 2670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:03:33,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3263 Valid, 3119 Invalid, 2670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2651 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:03:33,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:03:33,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:03:33,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4170522141440847) internal successors, (2144), 1541 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:33,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2144 transitions. [2023-12-25 11:03:33,595 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2144 transitions. Word has length 112 [2023-12-25 11:03:33,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:03:33,595 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2144 transitions. [2023-12-25 11:03:33,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:33,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2144 transitions. [2023-12-25 11:03:33,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:03:33,607 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:03:33,608 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:03:33,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2023-12-25 11:03:33,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:33,808 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:03:33,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:03:33,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1476130129, now seen corresponding path program 1 times [2023-12-25 11:03:33,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:03:33,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [739182865] [2023-12-25 11:03:33,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:03:33,809 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:33,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:03:33,810 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:03:33,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2023-12-25 11:03:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:03:34,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:03:34,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:03:34,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:03:34,518 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:03:34,518 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:03:34,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [739182865] [2023-12-25 11:03:34,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [739182865] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:03:34,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:03:34,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:03:34,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755205321] [2023-12-25 11:03:34,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:03:34,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:03:34,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:03:34,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:03:34,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:03:34,519 INFO L87 Difference]: Start difference. First operand 1542 states and 2144 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:37,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:03:37,350 INFO L93 Difference]: Finished difference Result 1908 states and 2686 transitions. [2023-12-25 11:03:37,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:03:37,350 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:03:37,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:03:37,352 INFO L225 Difference]: With dead ends: 1908 [2023-12-25 11:03:37,352 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:03:37,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:03:37,353 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 4534 mSDsluCounter, 2356 mSDsCounter, 0 mSdLazyCounter, 2623 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4534 SdHoareTripleChecker+Valid, 3216 SdHoareTripleChecker+Invalid, 2634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:03:37,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4534 Valid, 3216 Invalid, 2634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2623 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:03:37,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:03:37,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:03:37,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4163912756113681) internal successors, (2143), 1541 states have internal predecessors, (2143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:37,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2143 transitions. [2023-12-25 11:03:37,364 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2143 transitions. Word has length 112 [2023-12-25 11:03:37,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:03:37,364 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2143 transitions. [2023-12-25 11:03:37,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:37,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2143 transitions. [2023-12-25 11:03:37,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:03:37,366 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:03:37,366 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:03:37,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2023-12-25 11:03:37,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:37,571 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:03:37,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:03:37,571 INFO L85 PathProgramCache]: Analyzing trace with hash 865897012, now seen corresponding path program 1 times [2023-12-25 11:03:37,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:03:37,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [306770787] [2023-12-25 11:03:37,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:03:37,572 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:37,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:03:37,579 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:03:37,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2023-12-25 11:03:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:03:37,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:03:37,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:03:38,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:03:38,369 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:03:38,370 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:03:38,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [306770787] [2023-12-25 11:03:38,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [306770787] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:03:38,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:03:38,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:03:38,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539727695] [2023-12-25 11:03:38,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:03:38,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:03:38,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:03:38,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:03:38,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:03:38,371 INFO L87 Difference]: Start difference. First operand 1542 states and 2143 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:41,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:03:41,625 INFO L93 Difference]: Finished difference Result 1886 states and 2658 transitions. [2023-12-25 11:03:41,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:03:41,626 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:03:41,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:03:41,628 INFO L225 Difference]: With dead ends: 1886 [2023-12-25 11:03:41,628 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:03:41,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:03:41,628 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 4591 mSDsluCounter, 2283 mSDsCounter, 0 mSdLazyCounter, 2644 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4591 SdHoareTripleChecker+Valid, 3119 SdHoareTripleChecker+Invalid, 2663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-25 11:03:41,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4591 Valid, 3119 Invalid, 2663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2644 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-25 11:03:41,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:03:41,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:03:41,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4157303370786516) internal successors, (2142), 1541 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:41,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2142 transitions. [2023-12-25 11:03:41,650 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2142 transitions. Word has length 112 [2023-12-25 11:03:41,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:03:41,650 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2142 transitions. [2023-12-25 11:03:41,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:41,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2142 transitions. [2023-12-25 11:03:41,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:03:41,652 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:03:41,652 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:03:41,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Forceful destruction successful, exit code 0 [2023-12-25 11:03:41,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:41,861 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:03:41,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:03:41,861 INFO L85 PathProgramCache]: Analyzing trace with hash -986214715, now seen corresponding path program 1 times [2023-12-25 11:03:41,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:03:41,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [29906550] [2023-12-25 11:03:41,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:03:41,862 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:41,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:03:41,863 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:03:41,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2023-12-25 11:03:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:03:42,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:03:42,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:03:42,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:03:42,666 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:03:42,666 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:03:42,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [29906550] [2023-12-25 11:03:42,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [29906550] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:03:42,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:03:42,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:03:42,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215192174] [2023-12-25 11:03:42,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:03:42,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:03:42,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:03:42,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:03:42,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:03:42,667 INFO L87 Difference]: Start difference. First operand 1542 states and 2142 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:45,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:03:45,672 INFO L93 Difference]: Finished difference Result 1882 states and 2653 transitions. [2023-12-25 11:03:45,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:03:45,672 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:03:45,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:03:45,673 INFO L225 Difference]: With dead ends: 1882 [2023-12-25 11:03:45,673 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:03:45,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:03:45,674 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 3251 mSDsluCounter, 2287 mSDsCounter, 0 mSdLazyCounter, 2642 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3251 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 2661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:03:45,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3251 Valid, 3123 Invalid, 2661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2642 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:03:45,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:03:45,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:03:45,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4150693985459353) internal successors, (2141), 1541 states have internal predecessors, (2141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:45,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2141 transitions. [2023-12-25 11:03:45,685 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2141 transitions. Word has length 112 [2023-12-25 11:03:45,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:03:45,685 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2141 transitions. [2023-12-25 11:03:45,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:45,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2141 transitions. [2023-12-25 11:03:45,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:03:45,686 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:03:45,686 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:03:45,707 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Ended with exit code 0 [2023-12-25 11:03:45,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:45,890 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:03:45,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:03:45,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1285263200, now seen corresponding path program 1 times [2023-12-25 11:03:45,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:03:45,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1636667287] [2023-12-25 11:03:45,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:03:45,891 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:45,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:03:45,893 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:03:45,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2023-12-25 11:03:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:03:46,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:03:46,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:03:46,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:03:46,706 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:03:46,706 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:03:46,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1636667287] [2023-12-25 11:03:46,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1636667287] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:03:46,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:03:46,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:03:46,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146505283] [2023-12-25 11:03:46,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:03:46,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:03:46,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:03:46,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:03:46,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:03:46,707 INFO L87 Difference]: Start difference. First operand 1542 states and 2141 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:49,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:03:49,645 INFO L93 Difference]: Finished difference Result 1882 states and 2652 transitions. [2023-12-25 11:03:49,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:03:49,646 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:03:49,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:03:49,647 INFO L225 Difference]: With dead ends: 1882 [2023-12-25 11:03:49,647 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:03:49,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:03:49,648 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 3249 mSDsluCounter, 2287 mSDsCounter, 0 mSdLazyCounter, 2638 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3249 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 2657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:03:49,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3249 Valid, 3123 Invalid, 2657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2638 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:03:49,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:03:49,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:03:49,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4144084600132187) internal successors, (2140), 1541 states have internal predecessors, (2140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:49,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2140 transitions. [2023-12-25 11:03:49,658 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2140 transitions. Word has length 112 [2023-12-25 11:03:49,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:03:49,658 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2140 transitions. [2023-12-25 11:03:49,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:49,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2140 transitions. [2023-12-25 11:03:49,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:03:49,662 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:03:49,662 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:03:49,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Forceful destruction successful, exit code 0 [2023-12-25 11:03:49,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:49,867 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:03:49,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:03:49,867 INFO L85 PathProgramCache]: Analyzing trace with hash 905607109, now seen corresponding path program 1 times [2023-12-25 11:03:49,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:03:49,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [167467836] [2023-12-25 11:03:49,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:03:49,868 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:49,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:03:49,870 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:03:49,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2023-12-25 11:03:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:03:50,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:03:50,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:03:50,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:03:50,652 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:03:50,652 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:03:50,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [167467836] [2023-12-25 11:03:50,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [167467836] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:03:50,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:03:50,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:03:50,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594729611] [2023-12-25 11:03:50,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:03:50,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:03:50,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:03:50,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:03:50,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:03:50,653 INFO L87 Difference]: Start difference. First operand 1542 states and 2140 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:53,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:03:53,765 INFO L93 Difference]: Finished difference Result 1886 states and 2655 transitions. [2023-12-25 11:03:53,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:03:53,765 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:03:53,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:03:53,766 INFO L225 Difference]: With dead ends: 1886 [2023-12-25 11:03:53,766 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:03:53,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:03:53,769 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 4582 mSDsluCounter, 2283 mSDsCounter, 0 mSdLazyCounter, 2632 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4582 SdHoareTripleChecker+Valid, 3119 SdHoareTripleChecker+Invalid, 2651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:03:53,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4582 Valid, 3119 Invalid, 2651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2632 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:03:53,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:03:53,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:03:53,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4137475214805024) internal successors, (2139), 1541 states have internal predecessors, (2139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:53,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2139 transitions. [2023-12-25 11:03:53,779 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2139 transitions. Word has length 112 [2023-12-25 11:03:53,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:03:53,780 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2139 transitions. [2023-12-25 11:03:53,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:53,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2139 transitions. [2023-12-25 11:03:53,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:03:53,781 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:03:53,781 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:03:53,788 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (46)] Ended with exit code 0 [2023-12-25 11:03:53,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:53,983 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:03:53,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:03:53,984 INFO L85 PathProgramCache]: Analyzing trace with hash -946721092, now seen corresponding path program 1 times [2023-12-25 11:03:53,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:03:53,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1820003756] [2023-12-25 11:03:53,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:03:53,984 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:53,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:03:53,985 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:03:53,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2023-12-25 11:03:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:03:54,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:03:54,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:03:54,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:03:54,782 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:03:54,782 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:03:54,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1820003756] [2023-12-25 11:03:54,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1820003756] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:03:54,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:03:54,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:03:54,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599434369] [2023-12-25 11:03:54,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:03:54,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:03:54,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:03:54,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:03:54,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:03:54,783 INFO L87 Difference]: Start difference. First operand 1542 states and 2139 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:57,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:03:57,882 INFO L93 Difference]: Finished difference Result 1882 states and 2650 transitions. [2023-12-25 11:03:57,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:03:57,882 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:03:57,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:03:57,883 INFO L225 Difference]: With dead ends: 1882 [2023-12-25 11:03:57,884 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:03:57,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:03:57,884 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 4575 mSDsluCounter, 2287 mSDsCounter, 0 mSdLazyCounter, 2630 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4575 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 2649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:03:57,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4575 Valid, 3123 Invalid, 2649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2630 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:03:57,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:03:57,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:03:57,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4130865829477859) internal successors, (2138), 1541 states have internal predecessors, (2138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:57,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2138 transitions. [2023-12-25 11:03:57,910 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2138 transitions. Word has length 112 [2023-12-25 11:03:57,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:03:57,910 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2138 transitions. [2023-12-25 11:03:57,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:03:57,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2138 transitions. [2023-12-25 11:03:57,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:03:57,911 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:03:57,912 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:03:57,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Forceful destruction successful, exit code 0 [2023-12-25 11:03:58,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:58,116 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:03:58,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:03:58,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1650636604, now seen corresponding path program 1 times [2023-12-25 11:03:58,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:03:58,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1461874836] [2023-12-25 11:03:58,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:03:58,117 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:03:58,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:03:58,118 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:03:58,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Waiting until timeout for monitored process [2023-12-25 11:03:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:03:58,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:03:58,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:03:58,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:03:58,937 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:03:58,937 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:03:58,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1461874836] [2023-12-25 11:03:58,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1461874836] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:03:58,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:03:58,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:03:58,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141559053] [2023-12-25 11:03:58,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:03:58,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:03:58,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:03:58,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:03:58,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:03:58,938 INFO L87 Difference]: Start difference. First operand 1542 states and 2138 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:01,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:04:01,802 INFO L93 Difference]: Finished difference Result 1890 states and 2660 transitions. [2023-12-25 11:04:01,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:04:01,803 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:04:01,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:04:01,804 INFO L225 Difference]: With dead ends: 1890 [2023-12-25 11:04:01,804 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:04:01,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:04:01,805 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 4572 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 2625 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4572 SdHoareTripleChecker+Valid, 3124 SdHoareTripleChecker+Invalid, 2644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:04:01,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4572 Valid, 3124 Invalid, 2644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2625 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:04:01,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:04:01,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:04:01,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.411764705882353) internal successors, (2136), 1541 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:01,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2136 transitions. [2023-12-25 11:04:01,817 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2136 transitions. Word has length 112 [2023-12-25 11:04:01,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:04:01,817 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2136 transitions. [2023-12-25 11:04:01,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:01,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2136 transitions. [2023-12-25 11:04:01,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:04:01,818 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:04:01,818 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:04:01,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Forceful destruction successful, exit code 0 [2023-12-25 11:04:02,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:02,023 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:04:02,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:04:02,023 INFO L85 PathProgramCache]: Analyzing trace with hash -793106707, now seen corresponding path program 1 times [2023-12-25 11:04:02,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:04:02,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1362754813] [2023-12-25 11:04:02,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:04:02,024 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:02,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:04:02,025 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:04:02,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2023-12-25 11:04:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:04:02,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:04:02,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:04:02,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:04:02,879 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:04:02,879 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:04:02,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1362754813] [2023-12-25 11:04:02,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1362754813] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:04:02,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:04:02,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:04:02,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536580232] [2023-12-25 11:04:02,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:04:02,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:04:02,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:04:02,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:04:02,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:04:02,881 INFO L87 Difference]: Start difference. First operand 1542 states and 2136 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:05,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:04:05,728 INFO L93 Difference]: Finished difference Result 1892 states and 2659 transitions. [2023-12-25 11:04:05,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:04:05,728 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:04:05,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:04:05,730 INFO L225 Difference]: With dead ends: 1892 [2023-12-25 11:04:05,730 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:04:05,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:04:05,731 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 3245 mSDsluCounter, 2285 mSDsCounter, 0 mSdLazyCounter, 2619 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3245 SdHoareTripleChecker+Valid, 3121 SdHoareTripleChecker+Invalid, 2638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:04:05,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3245 Valid, 3121 Invalid, 2638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2619 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:04:05,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:04:05,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:04:05,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.41044282881692) internal successors, (2134), 1541 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:05,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2134 transitions. [2023-12-25 11:04:05,744 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2134 transitions. Word has length 112 [2023-12-25 11:04:05,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:04:05,745 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2134 transitions. [2023-12-25 11:04:05,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:05,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2134 transitions. [2023-12-25 11:04:05,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:04:05,746 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:04:05,746 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:04:05,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Forceful destruction successful, exit code 0 [2023-12-25 11:04:05,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:05,950 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:04:05,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:04:05,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1161208882, now seen corresponding path program 1 times [2023-12-25 11:04:05,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:04:05,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [212611632] [2023-12-25 11:04:05,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:04:05,951 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:05,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:04:05,952 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:04:05,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (50)] Waiting until timeout for monitored process [2023-12-25 11:04:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:04:06,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:04:06,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:04:06,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:04:06,714 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:04:06,714 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:04:06,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [212611632] [2023-12-25 11:04:06,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [212611632] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:04:06,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:04:06,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:04:06,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858469865] [2023-12-25 11:04:06,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:04:06,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:04:06,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:04:06,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:04:06,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:04:06,720 INFO L87 Difference]: Start difference. First operand 1542 states and 2134 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:09,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:04:09,460 INFO L93 Difference]: Finished difference Result 1892 states and 2657 transitions. [2023-12-25 11:04:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:04:09,461 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:04:09,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:04:09,462 INFO L225 Difference]: With dead ends: 1892 [2023-12-25 11:04:09,462 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:04:09,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:04:09,463 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 3243 mSDsluCounter, 2285 mSDsCounter, 0 mSdLazyCounter, 2615 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3243 SdHoareTripleChecker+Valid, 3121 SdHoareTripleChecker+Invalid, 2634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:04:09,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3243 Valid, 3121 Invalid, 2634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2615 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 11:04:09,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:04:09,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:04:09,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.409120951751487) internal successors, (2132), 1541 states have internal predecessors, (2132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:09,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2132 transitions. [2023-12-25 11:04:09,474 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2132 transitions. Word has length 112 [2023-12-25 11:04:09,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:04:09,474 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2132 transitions. [2023-12-25 11:04:09,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:09,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2132 transitions. [2023-12-25 11:04:09,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:04:09,475 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:04:09,475 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:04:09,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (50)] Forceful destruction successful, exit code 0 [2023-12-25 11:04:09,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:09,680 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:04:09,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:04:09,680 INFO L85 PathProgramCache]: Analyzing trace with hash -752363654, now seen corresponding path program 1 times [2023-12-25 11:04:09,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:04:09,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1323674990] [2023-12-25 11:04:09,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:04:09,681 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:09,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:04:09,682 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:04:09,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (51)] Waiting until timeout for monitored process [2023-12-25 11:04:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:04:10,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:04:10,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:04:10,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:04:10,466 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:04:10,466 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:04:10,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1323674990] [2023-12-25 11:04:10,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1323674990] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:04:10,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:04:10,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:04:10,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505682842] [2023-12-25 11:04:10,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:04:10,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:04:10,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:04:10,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:04:10,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:04:10,468 INFO L87 Difference]: Start difference. First operand 1542 states and 2132 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:13,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:04:13,491 INFO L93 Difference]: Finished difference Result 1918 states and 2688 transitions. [2023-12-25 11:04:13,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:04:13,492 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:04:13,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:04:13,493 INFO L225 Difference]: With dead ends: 1918 [2023-12-25 11:04:13,494 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:04:13,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:04:13,494 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 4427 mSDsluCounter, 2360 mSDsCounter, 0 mSdLazyCounter, 2586 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4427 SdHoareTripleChecker+Valid, 3220 SdHoareTripleChecker+Invalid, 2597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:04:13,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4427 Valid, 3220 Invalid, 2597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2586 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:04:13,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:04:13,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:04:13,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4077990746860543) internal successors, (2130), 1541 states have internal predecessors, (2130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:13,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2130 transitions. [2023-12-25 11:04:13,505 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2130 transitions. Word has length 112 [2023-12-25 11:04:13,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:04:13,505 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2130 transitions. [2023-12-25 11:04:13,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:13,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2130 transitions. [2023-12-25 11:04:13,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:04:13,507 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:04:13,507 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:04:13,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (51)] Forceful destruction successful, exit code 0 [2023-12-25 11:04:13,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:13,711 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:04:13,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:04:13,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1290310657, now seen corresponding path program 1 times [2023-12-25 11:04:13,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:04:13,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [136832335] [2023-12-25 11:04:13,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:04:13,712 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:13,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:04:13,713 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:04:13,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (52)] Waiting until timeout for monitored process [2023-12-25 11:04:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:04:14,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:04:14,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:04:14,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:04:14,520 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:04:14,520 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:04:14,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [136832335] [2023-12-25 11:04:14,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [136832335] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:04:14,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:04:14,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:04:14,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764493899] [2023-12-25 11:04:14,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:04:14,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:04:14,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:04:14,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:04:14,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:04:14,522 INFO L87 Difference]: Start difference. First operand 1542 states and 2130 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:17,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:04:17,632 INFO L93 Difference]: Finished difference Result 1886 states and 2648 transitions. [2023-12-25 11:04:17,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:04:17,632 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:04:17,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:04:17,634 INFO L225 Difference]: With dead ends: 1886 [2023-12-25 11:04:17,634 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:04:17,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:04:17,635 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 4536 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 2612 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4536 SdHoareTripleChecker+Valid, 3124 SdHoareTripleChecker+Invalid, 2631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:04:17,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4536 Valid, 3124 Invalid, 2631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2612 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:04:17,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:04:17,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:04:17,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4064771976206212) internal successors, (2128), 1541 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:17,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2128 transitions. [2023-12-25 11:04:17,646 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2128 transitions. Word has length 112 [2023-12-25 11:04:17,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:04:17,646 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2128 transitions. [2023-12-25 11:04:17,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:17,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2128 transitions. [2023-12-25 11:04:17,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:04:17,647 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:04:17,647 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:04:17,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (52)] Forceful destruction successful, exit code 0 [2023-12-25 11:04:17,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:17,852 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:04:17,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:04:17,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1351588119, now seen corresponding path program 1 times [2023-12-25 11:04:17,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:04:17,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [89242885] [2023-12-25 11:04:17,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:04:17,853 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:17,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:04:17,854 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:04:17,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (53)] Waiting until timeout for monitored process [2023-12-25 11:04:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:04:18,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:04:18,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:04:18,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:04:18,697 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:04:18,698 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:04:18,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [89242885] [2023-12-25 11:04:18,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [89242885] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:04:18,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:04:18,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:04:18,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770490421] [2023-12-25 11:04:18,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:04:18,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:04:18,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:04:18,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:04:18,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:04:18,699 INFO L87 Difference]: Start difference. First operand 1542 states and 2128 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:21,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:04:21,709 INFO L93 Difference]: Finished difference Result 1890 states and 2650 transitions. [2023-12-25 11:04:21,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:04:21,710 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:04:21,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:04:21,711 INFO L225 Difference]: With dead ends: 1890 [2023-12-25 11:04:21,711 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:04:21,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:04:21,712 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 4556 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 2606 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4556 SdHoareTripleChecker+Valid, 3124 SdHoareTripleChecker+Invalid, 2625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:04:21,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4556 Valid, 3124 Invalid, 2625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2606 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:04:21,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:04:21,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:04:21,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4051553205551883) internal successors, (2126), 1541 states have internal predecessors, (2126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:21,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2126 transitions. [2023-12-25 11:04:21,734 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2126 transitions. Word has length 112 [2023-12-25 11:04:21,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:04:21,734 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2126 transitions. [2023-12-25 11:04:21,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:21,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2126 transitions. [2023-12-25 11:04:21,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:04:21,735 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:04:21,735 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:04:21,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (53)] Forceful destruction successful, exit code 0 [2023-12-25 11:04:21,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:21,950 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:04:21,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:04:21,950 INFO L85 PathProgramCache]: Analyzing trace with hash -753396610, now seen corresponding path program 1 times [2023-12-25 11:04:21,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:04:21,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [608569705] [2023-12-25 11:04:21,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:04:21,951 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:21,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:04:21,952 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:04:21,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (54)] Waiting until timeout for monitored process [2023-12-25 11:04:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:04:22,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:04:22,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:04:22,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:04:22,764 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:04:22,764 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:04:22,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [608569705] [2023-12-25 11:04:22,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [608569705] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:04:22,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:04:22,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:04:22,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180006239] [2023-12-25 11:04:22,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:04:22,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:04:22,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:04:22,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:04:22,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:04:22,766 INFO L87 Difference]: Start difference. First operand 1542 states and 2126 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:25,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:04:25,511 INFO L93 Difference]: Finished difference Result 1892 states and 2649 transitions. [2023-12-25 11:04:25,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:04:25,511 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:04:25,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:04:25,513 INFO L225 Difference]: With dead ends: 1892 [2023-12-25 11:04:25,513 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:04:25,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:04:25,514 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 4556 mSDsluCounter, 2285 mSDsCounter, 0 mSdLazyCounter, 2600 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4556 SdHoareTripleChecker+Valid, 3121 SdHoareTripleChecker+Invalid, 2619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:04:25,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4556 Valid, 3121 Invalid, 2619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2600 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 11:04:25,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:04:25,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:04:25,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4038334434897555) internal successors, (2124), 1541 states have internal predecessors, (2124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:25,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2124 transitions. [2023-12-25 11:04:25,525 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2124 transitions. Word has length 112 [2023-12-25 11:04:25,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:04:25,525 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2124 transitions. [2023-12-25 11:04:25,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:25,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2124 transitions. [2023-12-25 11:04:25,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:04:25,527 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:04:25,527 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:04:25,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (54)] Forceful destruction successful, exit code 0 [2023-12-25 11:04:25,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:25,731 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:04:25,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:04:25,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1690130227, now seen corresponding path program 1 times [2023-12-25 11:04:25,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:04:25,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [844501192] [2023-12-25 11:04:25,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:04:25,732 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:25,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:04:25,733 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:04:25,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (55)] Waiting until timeout for monitored process [2023-12-25 11:04:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:04:26,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:04:26,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:04:26,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:04:26,568 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:04:26,568 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:04:26,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [844501192] [2023-12-25 11:04:26,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [844501192] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:04:26,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:04:26,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:04:26,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893733419] [2023-12-25 11:04:26,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:04:26,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:04:26,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:04:26,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:04:26,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:04:26,569 INFO L87 Difference]: Start difference. First operand 1542 states and 2124 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:29,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:04:29,463 INFO L93 Difference]: Finished difference Result 1890 states and 2646 transitions. [2023-12-25 11:04:29,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:04:29,463 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:04:29,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:04:29,465 INFO L225 Difference]: With dead ends: 1890 [2023-12-25 11:04:29,465 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:04:29,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:04:29,466 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 3228 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 2598 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3228 SdHoareTripleChecker+Valid, 3124 SdHoareTripleChecker+Invalid, 2617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:04:29,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3228 Valid, 3124 Invalid, 2617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2598 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:04:29,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:04:29,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:04:29,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4025115664243226) internal successors, (2122), 1541 states have internal predecessors, (2122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:29,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2122 transitions. [2023-12-25 11:04:29,477 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2122 transitions. Word has length 112 [2023-12-25 11:04:29,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:04:29,477 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2122 transitions. [2023-12-25 11:04:29,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:29,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2122 transitions. [2023-12-25 11:04:29,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:04:29,478 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:04:29,478 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:04:29,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (55)] Forceful destruction successful, exit code 0 [2023-12-25 11:04:29,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:29,683 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:04:29,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:04:29,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1329319844, now seen corresponding path program 1 times [2023-12-25 11:04:29,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:04:29,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008465359] [2023-12-25 11:04:29,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:04:29,684 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:29,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:04:29,685 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:04:29,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (56)] Waiting until timeout for monitored process [2023-12-25 11:04:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:04:30,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:04:30,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:04:30,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:04:30,543 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:04:30,543 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:04:30,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2008465359] [2023-12-25 11:04:30,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2008465359] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:04:30,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:04:30,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:04:30,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180530460] [2023-12-25 11:04:30,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:04:30,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:04:30,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:04:30,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:04:30,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:04:30,544 INFO L87 Difference]: Start difference. First operand 1542 states and 2122 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:33,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:04:33,282 INFO L93 Difference]: Finished difference Result 2004 states and 2794 transitions. [2023-12-25 11:04:33,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:04:33,283 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:04:33,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:04:33,284 INFO L225 Difference]: With dead ends: 2004 [2023-12-25 11:04:33,285 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:04:33,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:04:33,285 INFO L413 NwaCegarLoop]: 825 mSDtfsCounter, 3411 mSDsluCounter, 2246 mSDsCounter, 0 mSdLazyCounter, 2378 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3411 SdHoareTripleChecker+Valid, 3071 SdHoareTripleChecker+Invalid, 2386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:04:33,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3411 Valid, 3071 Invalid, 2386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2378 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 11:04:33,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:04:33,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:04:33,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4011896893588895) internal successors, (2120), 1541 states have internal predecessors, (2120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:33,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2120 transitions. [2023-12-25 11:04:33,297 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2120 transitions. Word has length 112 [2023-12-25 11:04:33,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:04:33,297 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2120 transitions. [2023-12-25 11:04:33,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:33,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2120 transitions. [2023-12-25 11:04:33,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:04:33,298 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:04:33,298 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:04:33,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (56)] Forceful destruction successful, exit code 0 [2023-12-25 11:04:33,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:33,502 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:04:33,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:04:33,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1858638162, now seen corresponding path program 1 times [2023-12-25 11:04:33,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:04:33,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [129354725] [2023-12-25 11:04:33,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:04:33,503 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:33,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:04:33,504 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:04:33,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (57)] Waiting until timeout for monitored process [2023-12-25 11:04:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:04:33,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:04:33,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:04:34,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:04:34,401 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:04:34,401 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:04:34,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [129354725] [2023-12-25 11:04:34,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [129354725] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:04:34,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:04:34,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:04:34,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365221733] [2023-12-25 11:04:34,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:04:34,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:04:34,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:04:34,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:04:34,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:04:34,403 INFO L87 Difference]: Start difference. First operand 1542 states and 2120 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:37,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:04:37,293 INFO L93 Difference]: Finished difference Result 1930 states and 2695 transitions. [2023-12-25 11:04:37,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:04:37,294 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:04:37,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:04:37,295 INFO L225 Difference]: With dead ends: 1930 [2023-12-25 11:04:37,296 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:04:37,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:04:37,296 INFO L413 NwaCegarLoop]: 813 mSDtfsCounter, 4770 mSDsluCounter, 2264 mSDsCounter, 0 mSdLazyCounter, 2420 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4770 SdHoareTripleChecker+Valid, 3077 SdHoareTripleChecker+Invalid, 2432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:04:37,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4770 Valid, 3077 Invalid, 2432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2420 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:04:37,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:04:37,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:04:37,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3998678122934567) internal successors, (2118), 1541 states have internal predecessors, (2118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:37,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2118 transitions. [2023-12-25 11:04:37,320 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2118 transitions. Word has length 112 [2023-12-25 11:04:37,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:04:37,320 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2118 transitions. [2023-12-25 11:04:37,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:37,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2118 transitions. [2023-12-25 11:04:37,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:04:37,322 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:04:37,322 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:04:37,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (57)] Forceful destruction successful, exit code 0 [2023-12-25 11:04:37,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:37,526 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:04:37,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:04:37,527 INFO L85 PathProgramCache]: Analyzing trace with hash 2027483906, now seen corresponding path program 1 times [2023-12-25 11:04:37,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:04:37,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [397484020] [2023-12-25 11:04:37,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:04:37,527 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:37,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:04:37,528 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:04:37,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (58)] Waiting until timeout for monitored process [2023-12-25 11:04:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:04:37,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:04:37,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:04:38,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:04:38,349 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:04:38,349 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:04:38,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [397484020] [2023-12-25 11:04:38,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [397484020] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:04:38,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:04:38,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:04:38,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550652918] [2023-12-25 11:04:38,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:04:38,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:04:38,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:04:38,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:04:38,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:04:38,350 INFO L87 Difference]: Start difference. First operand 1542 states and 2118 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:41,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:04:41,475 INFO L93 Difference]: Finished difference Result 1896 states and 2647 transitions. [2023-12-25 11:04:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:04:41,476 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:04:41,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:04:41,478 INFO L225 Difference]: With dead ends: 1896 [2023-12-25 11:04:41,478 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:04:41,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:04:41,478 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 4316 mSDsluCounter, 2283 mSDsCounter, 0 mSdLazyCounter, 2587 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4316 SdHoareTripleChecker+Valid, 3119 SdHoareTripleChecker+Invalid, 2606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:04:41,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4316 Valid, 3119 Invalid, 2606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2587 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:04:41,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:04:41,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:04:41,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3985459352280238) internal successors, (2116), 1541 states have internal predecessors, (2116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:41,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2116 transitions. [2023-12-25 11:04:41,490 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2116 transitions. Word has length 112 [2023-12-25 11:04:41,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:04:41,490 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2116 transitions. [2023-12-25 11:04:41,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:41,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2116 transitions. [2023-12-25 11:04:41,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:04:41,492 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:04:41,492 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:04:41,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (58)] Forceful destruction successful, exit code 0 [2023-12-25 11:04:41,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:41,696 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:04:41,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:04:41,696 INFO L85 PathProgramCache]: Analyzing trace with hash 2012055413, now seen corresponding path program 1 times [2023-12-25 11:04:41,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:04:41,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1060424410] [2023-12-25 11:04:41,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:04:41,697 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:41,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:04:41,698 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:04:41,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (59)] Waiting until timeout for monitored process [2023-12-25 11:04:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:04:42,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:04:42,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:04:42,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:04:42,435 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:04:42,435 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:04:42,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1060424410] [2023-12-25 11:04:42,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1060424410] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:04:42,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:04:42,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:04:42,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147350368] [2023-12-25 11:04:42,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:04:42,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:04:42,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:04:42,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:04:42,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:04:42,436 INFO L87 Difference]: Start difference. First operand 1542 states and 2116 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:45,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:04:45,414 INFO L93 Difference]: Finished difference Result 1896 states and 2645 transitions. [2023-12-25 11:04:45,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:04:45,414 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:04:45,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:04:45,416 INFO L225 Difference]: With dead ends: 1896 [2023-12-25 11:04:45,416 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:04:45,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:04:45,417 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 3223 mSDsluCounter, 2283 mSDsCounter, 0 mSdLazyCounter, 2583 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3223 SdHoareTripleChecker+Valid, 3119 SdHoareTripleChecker+Invalid, 2602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:04:45,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3223 Valid, 3119 Invalid, 2602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2583 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:04:45,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:04:45,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:04:45,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.397224058162591) internal successors, (2114), 1541 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:45,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2114 transitions. [2023-12-25 11:04:45,429 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2114 transitions. Word has length 112 [2023-12-25 11:04:45,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:04:45,429 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2114 transitions. [2023-12-25 11:04:45,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:45,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2114 transitions. [2023-12-25 11:04:45,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:04:45,430 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:04:45,430 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:04:45,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (59)] Ended with exit code 0 [2023-12-25 11:04:45,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:45,632 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:04:45,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:04:45,633 INFO L85 PathProgramCache]: Analyzing trace with hash 38130447, now seen corresponding path program 1 times [2023-12-25 11:04:45,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:04:45,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1905399152] [2023-12-25 11:04:45,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:04:45,633 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:45,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:04:45,634 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:04:45,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (60)] Waiting until timeout for monitored process [2023-12-25 11:04:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:04:45,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:04:45,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:04:46,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:04:46,501 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:04:46,501 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:04:46,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1905399152] [2023-12-25 11:04:46,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1905399152] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:04:46,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:04:46,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:04:46,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475323528] [2023-12-25 11:04:46,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:04:46,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:04:46,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:04:46,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:04:46,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:04:46,502 INFO L87 Difference]: Start difference. First operand 1542 states and 2114 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:49,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:04:49,516 INFO L93 Difference]: Finished difference Result 1930 states and 2689 transitions. [2023-12-25 11:04:49,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:04:49,516 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:04:49,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:04:49,518 INFO L225 Difference]: With dead ends: 1930 [2023-12-25 11:04:49,518 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:04:49,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:04:49,519 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 3159 mSDsluCounter, 2356 mSDsCounter, 0 mSdLazyCounter, 2552 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3159 SdHoareTripleChecker+Valid, 3216 SdHoareTripleChecker+Invalid, 2563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:04:49,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3159 Valid, 3216 Invalid, 2563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2552 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:04:49,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:04:49,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:04:49,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.395902181097158) internal successors, (2112), 1541 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:49,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2112 transitions. [2023-12-25 11:04:49,529 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2112 transitions. Word has length 112 [2023-12-25 11:04:49,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:04:49,529 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2112 transitions. [2023-12-25 11:04:49,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:49,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2112 transitions. [2023-12-25 11:04:49,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:04:49,530 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:04:49,530 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:04:49,534 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (60)] Ended with exit code 0 [2023-12-25 11:04:49,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:49,735 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:04:49,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:04:49,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1914809708, now seen corresponding path program 1 times [2023-12-25 11:04:49,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:04:49,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1134682960] [2023-12-25 11:04:49,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:04:49,736 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:49,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:04:49,737 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:04:49,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (61)] Waiting until timeout for monitored process [2023-12-25 11:04:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:04:50,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:04:50,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:04:50,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:04:50,591 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:04:50,591 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:04:50,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1134682960] [2023-12-25 11:04:50,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1134682960] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:04:50,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:04:50,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:04:50,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089791628] [2023-12-25 11:04:50,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:04:50,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:04:50,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:04:50,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:04:50,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:04:50,592 INFO L87 Difference]: Start difference. First operand 1542 states and 2112 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:53,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:04:53,527 INFO L93 Difference]: Finished difference Result 1896 states and 2641 transitions. [2023-12-25 11:04:53,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:04:53,528 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:04:53,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:04:53,529 INFO L225 Difference]: With dead ends: 1896 [2023-12-25 11:04:53,529 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:04:53,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:04:53,530 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 3218 mSDsluCounter, 2283 mSDsCounter, 0 mSdLazyCounter, 2576 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3218 SdHoareTripleChecker+Valid, 3119 SdHoareTripleChecker+Invalid, 2595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:04:53,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3218 Valid, 3119 Invalid, 2595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2576 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:04:53,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:04:53,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:04:53,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.394580304031725) internal successors, (2110), 1541 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:53,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2110 transitions. [2023-12-25 11:04:53,541 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2110 transitions. Word has length 112 [2023-12-25 11:04:53,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:04:53,541 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2110 transitions. [2023-12-25 11:04:53,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:53,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2110 transitions. [2023-12-25 11:04:53,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-25 11:04:53,542 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:04:53,543 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:04:53,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (61)] Ended with exit code 0 [2023-12-25 11:04:53,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:53,744 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:04:53,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:04:53,745 INFO L85 PathProgramCache]: Analyzing trace with hash 529413222, now seen corresponding path program 1 times [2023-12-25 11:04:53,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:04:53,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1803743656] [2023-12-25 11:04:53,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:04:53,745 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:53,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:04:53,746 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:04:53,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (62)] Waiting until timeout for monitored process [2023-12-25 11:04:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:04:54,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:04:54,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:04:54,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:04:54,635 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:04:54,635 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:04:54,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1803743656] [2023-12-25 11:04:54,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1803743656] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:04:54,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:04:54,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:04:54,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756688302] [2023-12-25 11:04:54,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:04:54,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:04:54,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:04:54,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:04:54,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:04:54,636 INFO L87 Difference]: Start difference. First operand 1542 states and 2110 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:57,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:04:57,648 INFO L93 Difference]: Finished difference Result 1890 states and 2632 transitions. [2023-12-25 11:04:57,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:04:57,648 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-25 11:04:57,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:04:57,650 INFO L225 Difference]: With dead ends: 1890 [2023-12-25 11:04:57,650 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:04:57,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:04:57,651 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 4526 mSDsluCounter, 2287 mSDsCounter, 0 mSdLazyCounter, 2574 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4526 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 2593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:04:57,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4526 Valid, 3123 Invalid, 2593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2574 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:04:57,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:04:57,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:04:57,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3932584269662922) internal successors, (2108), 1541 states have internal predecessors, (2108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:57,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2108 transitions. [2023-12-25 11:04:57,667 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2108 transitions. Word has length 112 [2023-12-25 11:04:57,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:04:57,667 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2108 transitions. [2023-12-25 11:04:57,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:04:57,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2108 transitions. [2023-12-25 11:04:57,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:04:57,668 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:04:57,668 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:04:57,672 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (62)] Ended with exit code 0 [2023-12-25 11:04:57,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:57,872 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:04:57,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:04:57,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1860652130, now seen corresponding path program 1 times [2023-12-25 11:04:57,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:04:57,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1869555918] [2023-12-25 11:04:57,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:04:57,873 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:04:57,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:04:57,874 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:04:57,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (63)] Waiting until timeout for monitored process [2023-12-25 11:04:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:04:58,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:04:58,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:04:58,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:04:58,659 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:04:58,659 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:04:58,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1869555918] [2023-12-25 11:04:58,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1869555918] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:04:58,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:04:58,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:04:58,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622646539] [2023-12-25 11:04:58,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:04:58,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:04:58,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:04:58,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:04:58,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:04:58,661 INFO L87 Difference]: Start difference. First operand 1542 states and 2108 transitions. Second operand has 8 states, 8 states have (on average 14.125) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:01,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:05:01,456 INFO L93 Difference]: Finished difference Result 1880 states and 2617 transitions. [2023-12-25 11:05:01,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:05:01,456 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2023-12-25 11:05:01,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:05:01,458 INFO L225 Difference]: With dead ends: 1880 [2023-12-25 11:05:01,458 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:05:01,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:05:01,459 INFO L413 NwaCegarLoop]: 827 mSDtfsCounter, 3231 mSDsluCounter, 2274 mSDsCounter, 0 mSdLazyCounter, 2557 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3231 SdHoareTripleChecker+Valid, 3101 SdHoareTripleChecker+Invalid, 2576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:05:01,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3231 Valid, 3101 Invalid, 2576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2557 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:05:01,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:05:01,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:05:01,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3925974884335757) internal successors, (2107), 1541 states have internal predecessors, (2107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:01,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2107 transitions. [2023-12-25 11:05:01,485 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2107 transitions. Word has length 113 [2023-12-25 11:05:01,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:05:01,486 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2107 transitions. [2023-12-25 11:05:01,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:01,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2107 transitions. [2023-12-25 11:05:01,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:05:01,487 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:05:01,487 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:05:01,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (63)] Forceful destruction successful, exit code 0 [2023-12-25 11:05:01,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:01,688 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:05:01,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:05:01,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1141679172, now seen corresponding path program 1 times [2023-12-25 11:05:01,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:05:01,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924883885] [2023-12-25 11:05:01,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:05:01,689 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:01,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:05:01,691 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:05:01,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (64)] Waiting until timeout for monitored process [2023-12-25 11:05:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:05:02,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:05:02,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:05:02,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:05:02,470 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:05:02,470 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:05:02,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924883885] [2023-12-25 11:05:02,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1924883885] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:05:02,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:05:02,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:05:02,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943175607] [2023-12-25 11:05:02,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:05:02,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:05:02,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:05:02,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:05:02,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:05:02,471 INFO L87 Difference]: Start difference. First operand 1542 states and 2107 transitions. Second operand has 8 states, 8 states have (on average 14.125) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:05,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:05:05,369 INFO L93 Difference]: Finished difference Result 1880 states and 2616 transitions. [2023-12-25 11:05:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:05:05,369 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2023-12-25 11:05:05,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:05:05,371 INFO L225 Difference]: With dead ends: 1880 [2023-12-25 11:05:05,371 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:05:05,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:05:05,371 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 3206 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 2567 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3206 SdHoareTripleChecker+Valid, 3124 SdHoareTripleChecker+Invalid, 2586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:05:05,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3206 Valid, 3124 Invalid, 2586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2567 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:05:05,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:05:05,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:05:05,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3919365499008591) internal successors, (2106), 1541 states have internal predecessors, (2106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:05,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2106 transitions. [2023-12-25 11:05:05,384 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2106 transitions. Word has length 113 [2023-12-25 11:05:05,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:05:05,385 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2106 transitions. [2023-12-25 11:05:05,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:05,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2106 transitions. [2023-12-25 11:05:05,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:05:05,386 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:05:05,386 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:05:05,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (64)] Ended with exit code 0 [2023-12-25 11:05:05,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 64 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:05,590 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:05:05,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:05:05,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1391933582, now seen corresponding path program 1 times [2023-12-25 11:05:05,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:05:05,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1992811542] [2023-12-25 11:05:05,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:05:05,592 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:05,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:05:05,593 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:05:05,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (65)] Waiting until timeout for monitored process [2023-12-25 11:05:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:05:05,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:05:05,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:05:06,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:05:06,472 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:05:06,472 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:05:06,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1992811542] [2023-12-25 11:05:06,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1992811542] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:05:06,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:05:06,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:05:06,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651097617] [2023-12-25 11:05:06,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:05:06,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:05:06,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:05:06,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:05:06,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:05:06,478 INFO L87 Difference]: Start difference. First operand 1542 states and 2106 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:09,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:05:09,651 INFO L93 Difference]: Finished difference Result 1883 states and 2617 transitions. [2023-12-25 11:05:09,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:05:09,655 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:05:09,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:05:09,657 INFO L225 Difference]: With dead ends: 1883 [2023-12-25 11:05:09,657 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:05:09,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:05:09,658 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 4760 mSDsluCounter, 2079 mSDsCounter, 0 mSdLazyCounter, 2589 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4760 SdHoareTripleChecker+Valid, 2866 SdHoareTripleChecker+Invalid, 2624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:05:09,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4760 Valid, 2866 Invalid, 2624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2589 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:05:09,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:05:09,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:05:09,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3912756113681428) internal successors, (2105), 1541 states have internal predecessors, (2105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:09,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2105 transitions. [2023-12-25 11:05:09,670 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2105 transitions. Word has length 114 [2023-12-25 11:05:09,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:05:09,670 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2105 transitions. [2023-12-25 11:05:09,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:09,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2105 transitions. [2023-12-25 11:05:09,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:05:09,672 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:05:09,672 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:05:09,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (65)] Forceful destruction successful, exit code 0 [2023-12-25 11:05:09,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:09,876 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:05:09,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:05:09,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1639447592, now seen corresponding path program 1 times [2023-12-25 11:05:09,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:05:09,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1241768644] [2023-12-25 11:05:09,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:05:09,877 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:09,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:05:09,878 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:05:09,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (66)] Waiting until timeout for monitored process [2023-12-25 11:05:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:05:10,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:05:10,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:05:10,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:05:10,716 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:05:10,716 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:05:10,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1241768644] [2023-12-25 11:05:10,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1241768644] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:05:10,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:05:10,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:05:10,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318071124] [2023-12-25 11:05:10,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:05:10,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:05:10,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:05:10,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:05:10,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:05:10,719 INFO L87 Difference]: Start difference. First operand 1542 states and 2105 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:13,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:05:13,742 INFO L93 Difference]: Finished difference Result 1720 states and 2368 transitions. [2023-12-25 11:05:13,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:05:13,743 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:05:13,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:05:13,744 INFO L225 Difference]: With dead ends: 1720 [2023-12-25 11:05:13,744 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:05:13,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:05:13,744 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 3445 mSDsluCounter, 2076 mSDsCounter, 0 mSdLazyCounter, 2585 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3445 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:05:13,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3445 Valid, 2863 Invalid, 2620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2585 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:05:13,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:05:13,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:05:13,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3906146728354263) internal successors, (2104), 1541 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:13,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2104 transitions. [2023-12-25 11:05:13,754 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2104 transitions. Word has length 114 [2023-12-25 11:05:13,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:05:13,754 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2104 transitions. [2023-12-25 11:05:13,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:13,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2104 transitions. [2023-12-25 11:05:13,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:05:13,755 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:05:13,756 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:05:13,763 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (66)] Ended with exit code 0 [2023-12-25 11:05:13,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:13,959 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:05:13,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:05:13,960 INFO L85 PathProgramCache]: Analyzing trace with hash -743239506, now seen corresponding path program 1 times [2023-12-25 11:05:13,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:05:13,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1330030662] [2023-12-25 11:05:13,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:05:13,960 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:13,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:05:13,961 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:05:13,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (67)] Waiting until timeout for monitored process [2023-12-25 11:05:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:05:14,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:05:14,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:05:14,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:05:14,760 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:05:14,760 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:05:14,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1330030662] [2023-12-25 11:05:14,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1330030662] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:05:14,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:05:14,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:05:14,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518927287] [2023-12-25 11:05:14,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:05:14,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:05:14,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:05:14,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:05:14,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:05:14,761 INFO L87 Difference]: Start difference. First operand 1542 states and 2104 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:17,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:05:17,698 INFO L93 Difference]: Finished difference Result 1883 states and 2615 transitions. [2023-12-25 11:05:17,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:05:17,698 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:05:17,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:05:17,699 INFO L225 Difference]: With dead ends: 1883 [2023-12-25 11:05:17,699 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:05:17,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:05:17,700 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 4754 mSDsluCounter, 2079 mSDsCounter, 0 mSdLazyCounter, 2581 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4754 SdHoareTripleChecker+Valid, 2866 SdHoareTripleChecker+Invalid, 2616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:05:17,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4754 Valid, 2866 Invalid, 2616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2581 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:05:17,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:05:17,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:05:17,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3899537343027097) internal successors, (2103), 1541 states have internal predecessors, (2103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:17,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2103 transitions. [2023-12-25 11:05:17,713 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2103 transitions. Word has length 114 [2023-12-25 11:05:17,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:05:17,713 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2103 transitions. [2023-12-25 11:05:17,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:17,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2103 transitions. [2023-12-25 11:05:17,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:05:17,714 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:05:17,714 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:05:17,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (67)] Forceful destruction successful, exit code 0 [2023-12-25 11:05:17,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:17,919 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:05:17,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:05:17,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1205132856, now seen corresponding path program 1 times [2023-12-25 11:05:17,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:05:17,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401983825] [2023-12-25 11:05:17,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:05:17,920 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:17,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:05:17,921 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:05:17,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (68)] Waiting until timeout for monitored process [2023-12-25 11:05:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:05:18,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:05:18,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:05:18,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:05:18,673 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:05:18,673 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:05:18,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1401983825] [2023-12-25 11:05:18,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1401983825] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:05:18,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:05:18,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:05:18,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592618212] [2023-12-25 11:05:18,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:05:18,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:05:18,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:05:18,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:05:18,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:05:18,675 INFO L87 Difference]: Start difference. First operand 1542 states and 2103 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:21,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:05:21,791 INFO L93 Difference]: Finished difference Result 1881 states and 2612 transitions. [2023-12-25 11:05:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:05:21,792 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:05:21,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:05:21,793 INFO L225 Difference]: With dead ends: 1881 [2023-12-25 11:05:21,793 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:05:21,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:05:21,794 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 3438 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 2582 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3438 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:05:21,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3438 Valid, 2863 Invalid, 2617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2582 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:05:21,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:05:21,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:05:21,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3892927957699934) internal successors, (2102), 1541 states have internal predecessors, (2102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:21,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2102 transitions. [2023-12-25 11:05:21,804 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2102 transitions. Word has length 114 [2023-12-25 11:05:21,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:05:21,804 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2102 transitions. [2023-12-25 11:05:21,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:21,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2102 transitions. [2023-12-25 11:05:21,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:05:21,806 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:05:21,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:05:21,812 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (68)] Ended with exit code 0 [2023-12-25 11:05:22,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 68 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:22,010 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:05:22,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:05:22,011 INFO L85 PathProgramCache]: Analyzing trace with hash 430640402, now seen corresponding path program 1 times [2023-12-25 11:05:22,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:05:22,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1357722387] [2023-12-25 11:05:22,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:05:22,011 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:22,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:05:22,014 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:05:22,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (69)] Waiting until timeout for monitored process [2023-12-25 11:05:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:05:22,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:05:22,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:05:22,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:05:22,892 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:05:22,892 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:05:22,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1357722387] [2023-12-25 11:05:22,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1357722387] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:05:22,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:05:22,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:05:22,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079362591] [2023-12-25 11:05:22,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:05:22,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:05:22,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:05:22,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:05:22,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:05:22,900 INFO L87 Difference]: Start difference. First operand 1542 states and 2102 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:25,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:05:25,903 INFO L93 Difference]: Finished difference Result 1883 states and 2613 transitions. [2023-12-25 11:05:25,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:05:25,903 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:05:25,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:05:25,905 INFO L225 Difference]: With dead ends: 1883 [2023-12-25 11:05:25,905 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:05:25,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:05:25,906 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 4748 mSDsluCounter, 2079 mSDsCounter, 0 mSdLazyCounter, 2573 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4748 SdHoareTripleChecker+Valid, 2866 SdHoareTripleChecker+Invalid, 2608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:05:25,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4748 Valid, 2866 Invalid, 2608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2573 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:05:25,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:05:25,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:05:25,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.388631857237277) internal successors, (2101), 1541 states have internal predecessors, (2101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:25,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2101 transitions. [2023-12-25 11:05:25,918 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2101 transitions. Word has length 114 [2023-12-25 11:05:25,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:05:25,918 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2101 transitions. [2023-12-25 11:05:25,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:25,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2101 transitions. [2023-12-25 11:05:25,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:05:25,919 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:05:25,919 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:05:25,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (69)] Forceful destruction successful, exit code 0 [2023-12-25 11:05:26,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:26,120 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:05:26,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:05:26,120 INFO L85 PathProgramCache]: Analyzing trace with hash -579233536, now seen corresponding path program 1 times [2023-12-25 11:05:26,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:05:26,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1298820351] [2023-12-25 11:05:26,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:05:26,121 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:26,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:05:26,122 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:05:26,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (70)] Waiting until timeout for monitored process [2023-12-25 11:05:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:05:26,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:05:26,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:05:27,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:05:27,053 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:05:27,054 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:05:27,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1298820351] [2023-12-25 11:05:27,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1298820351] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:05:27,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:05:27,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:05:27,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205594338] [2023-12-25 11:05:27,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:05:27,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:05:27,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:05:27,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:05:27,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:05:27,055 INFO L87 Difference]: Start difference. First operand 1542 states and 2101 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:30,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:05:30,178 INFO L93 Difference]: Finished difference Result 1881 states and 2610 transitions. [2023-12-25 11:05:30,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:05:30,178 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:05:30,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:05:30,180 INFO L225 Difference]: With dead ends: 1881 [2023-12-25 11:05:30,180 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:05:30,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:05:30,180 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 3434 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 2574 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3434 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:05:30,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3434 Valid, 2863 Invalid, 2609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2574 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:05:30,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:05:30,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:05:30,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3879709187045606) internal successors, (2100), 1541 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:30,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2100 transitions. [2023-12-25 11:05:30,192 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2100 transitions. Word has length 114 [2023-12-25 11:05:30,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:05:30,192 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2100 transitions. [2023-12-25 11:05:30,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:30,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2100 transitions. [2023-12-25 11:05:30,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:05:30,193 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:05:30,193 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:05:30,197 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (70)] Ended with exit code 0 [2023-12-25 11:05:30,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:30,397 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:05:30,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:05:30,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1408156178, now seen corresponding path program 1 times [2023-12-25 11:05:30,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:05:30,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1398007560] [2023-12-25 11:05:30,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:05:30,398 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:30,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:05:30,399 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:05:30,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (71)] Waiting until timeout for monitored process [2023-12-25 11:05:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:05:30,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:05:30,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:05:31,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:05:31,288 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:05:31,289 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:05:31,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1398007560] [2023-12-25 11:05:31,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1398007560] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:05:31,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:05:31,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:05:31,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338243116] [2023-12-25 11:05:31,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:05:31,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:05:31,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:05:31,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:05:31,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:05:31,290 INFO L87 Difference]: Start difference. First operand 1542 states and 2100 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:33,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:05:33,939 INFO L93 Difference]: Finished difference Result 1881 states and 2609 transitions. [2023-12-25 11:05:33,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:05:33,939 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:05:33,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:05:33,941 INFO L225 Difference]: With dead ends: 1881 [2023-12-25 11:05:33,941 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:05:33,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:05:33,942 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 3432 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 2570 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3432 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-25 11:05:33,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3432 Valid, 2863 Invalid, 2605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2570 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-25 11:05:33,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:05:33,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:05:33,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.387309980171844) internal successors, (2099), 1541 states have internal predecessors, (2099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:33,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2099 transitions. [2023-12-25 11:05:33,952 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2099 transitions. Word has length 114 [2023-12-25 11:05:33,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:05:33,952 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2099 transitions. [2023-12-25 11:05:33,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:33,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2099 transitions. [2023-12-25 11:05:33,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:05:33,953 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:05:33,954 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:05:33,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (71)] Ended with exit code 0 [2023-12-25 11:05:34,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:34,158 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:05:34,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:05:34,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1160476344, now seen corresponding path program 1 times [2023-12-25 11:05:34,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:05:34,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [432080157] [2023-12-25 11:05:34,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:05:34,159 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:34,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:05:34,160 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:05:34,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (72)] Waiting until timeout for monitored process [2023-12-25 11:05:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:05:34,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:05:34,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:05:34,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:05:34,944 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:05:34,944 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:05:34,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [432080157] [2023-12-25 11:05:34,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [432080157] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:05:34,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:05:34,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:05:34,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011416401] [2023-12-25 11:05:34,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:05:34,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:05:34,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:05:34,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:05:34,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:05:34,945 INFO L87 Difference]: Start difference. First operand 1542 states and 2099 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:37,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:05:37,933 INFO L93 Difference]: Finished difference Result 1881 states and 2608 transitions. [2023-12-25 11:05:37,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:05:37,934 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:05:37,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:05:37,935 INFO L225 Difference]: With dead ends: 1881 [2023-12-25 11:05:37,935 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:05:37,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:05:37,936 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 3430 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 2566 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3430 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:05:37,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3430 Valid, 2863 Invalid, 2601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2566 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:05:37,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:05:37,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:05:37,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3866490416391275) internal successors, (2098), 1541 states have internal predecessors, (2098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:37,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2098 transitions. [2023-12-25 11:05:37,947 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2098 transitions. Word has length 114 [2023-12-25 11:05:37,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:05:37,947 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2098 transitions. [2023-12-25 11:05:37,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:37,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2098 transitions. [2023-12-25 11:05:37,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:05:37,948 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:05:37,948 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:05:37,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (72)] Forceful destruction successful, exit code 0 [2023-12-25 11:05:38,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:38,152 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:05:38,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:05:38,152 INFO L85 PathProgramCache]: Analyzing trace with hash -638474711, now seen corresponding path program 1 times [2023-12-25 11:05:38,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:05:38,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1741050195] [2023-12-25 11:05:38,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:05:38,153 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:38,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:05:38,154 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:05:38,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (73)] Waiting until timeout for monitored process [2023-12-25 11:05:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:05:38,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:05:38,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:05:39,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:05:39,016 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:05:39,016 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:05:39,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1741050195] [2023-12-25 11:05:39,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1741050195] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:05:39,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:05:39,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:05:39,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386526648] [2023-12-25 11:05:39,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:05:39,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:05:39,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:05:39,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:05:39,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:05:39,017 INFO L87 Difference]: Start difference. First operand 1542 states and 2098 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:41,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:05:41,987 INFO L93 Difference]: Finished difference Result 1883 states and 2609 transitions. [2023-12-25 11:05:41,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:05:41,988 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:05:41,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:05:41,989 INFO L225 Difference]: With dead ends: 1883 [2023-12-25 11:05:41,989 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:05:41,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:05:41,990 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 3429 mSDsluCounter, 2079 mSDsCounter, 0 mSdLazyCounter, 2557 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3429 SdHoareTripleChecker+Valid, 2866 SdHoareTripleChecker+Invalid, 2592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:05:41,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3429 Valid, 2866 Invalid, 2592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2557 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:05:41,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:05:41,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:05:41,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3859881031064112) internal successors, (2097), 1541 states have internal predecessors, (2097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:42,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2097 transitions. [2023-12-25 11:05:42,000 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2097 transitions. Word has length 114 [2023-12-25 11:05:42,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:05:42,001 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2097 transitions. [2023-12-25 11:05:42,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:42,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2097 transitions. [2023-12-25 11:05:42,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:05:42,002 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:05:42,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:05:42,006 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (73)] Ended with exit code 0 [2023-12-25 11:05:42,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:42,206 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:05:42,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:05:42,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1232170584, now seen corresponding path program 1 times [2023-12-25 11:05:42,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:05:42,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [378617607] [2023-12-25 11:05:42,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:05:42,207 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:42,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:05:42,207 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:05:42,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (74)] Waiting until timeout for monitored process [2023-12-25 11:05:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:05:42,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:05:42,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:05:43,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:05:43,115 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:05:43,115 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:05:43,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [378617607] [2023-12-25 11:05:43,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [378617607] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:05:43,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:05:43,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:05:43,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297878725] [2023-12-25 11:05:43,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:05:43,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:05:43,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:05:43,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:05:43,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:05:43,117 INFO L87 Difference]: Start difference. First operand 1542 states and 2097 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:46,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:05:46,337 INFO L93 Difference]: Finished difference Result 1881 states and 2606 transitions. [2023-12-25 11:05:46,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:05:46,338 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:05:46,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:05:46,339 INFO L225 Difference]: With dead ends: 1881 [2023-12-25 11:05:46,340 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:05:46,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:05:46,340 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 4727 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 2558 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4727 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:05:46,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4727 Valid, 2863 Invalid, 2593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2558 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:05:46,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:05:46,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:05:46,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3853271645736946) internal successors, (2096), 1541 states have internal predecessors, (2096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:46,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2096 transitions. [2023-12-25 11:05:46,352 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2096 transitions. Word has length 114 [2023-12-25 11:05:46,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:05:46,352 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2096 transitions. [2023-12-25 11:05:46,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:46,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2096 transitions. [2023-12-25 11:05:46,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:05:46,353 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:05:46,353 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:05:46,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (74)] Forceful destruction successful, exit code 0 [2023-12-25 11:05:46,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 74 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:46,557 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:05:46,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:05:46,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1075406998, now seen corresponding path program 1 times [2023-12-25 11:05:46,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:05:46,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [836095496] [2023-12-25 11:05:46,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:05:46,558 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:46,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:05:46,559 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:05:46,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (75)] Waiting until timeout for monitored process [2023-12-25 11:05:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:05:46,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:05:46,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:05:47,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:05:47,422 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:05:47,423 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:05:47,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [836095496] [2023-12-25 11:05:47,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [836095496] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:05:47,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:05:47,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:05:47,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50509207] [2023-12-25 11:05:47,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:05:47,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:05:47,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:05:47,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:05:47,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:05:47,424 INFO L87 Difference]: Start difference. First operand 1542 states and 2096 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:50,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:05:50,636 INFO L93 Difference]: Finished difference Result 1881 states and 2605 transitions. [2023-12-25 11:05:50,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:05:50,636 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:05:50,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:05:50,638 INFO L225 Difference]: With dead ends: 1881 [2023-12-25 11:05:50,638 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:05:50,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:05:50,639 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 3424 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 2554 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3424 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:05:50,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3424 Valid, 2863 Invalid, 2589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2554 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:05:50,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:05:50,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:05:50,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.384666226040978) internal successors, (2095), 1541 states have internal predecessors, (2095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:50,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2095 transitions. [2023-12-25 11:05:50,651 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2095 transitions. Word has length 114 [2023-12-25 11:05:50,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:05:50,651 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2095 transitions. [2023-12-25 11:05:50,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:50,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2095 transitions. [2023-12-25 11:05:50,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:05:50,653 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:05:50,653 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:05:50,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (75)] Forceful destruction successful, exit code 0 [2023-12-25 11:05:50,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:50,858 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:05:50,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:05:50,858 INFO L85 PathProgramCache]: Analyzing trace with hash 2022903574, now seen corresponding path program 1 times [2023-12-25 11:05:50,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:05:50,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [453776414] [2023-12-25 11:05:50,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:05:50,858 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:50,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:05:50,859 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:05:50,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (76)] Waiting until timeout for monitored process [2023-12-25 11:05:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:05:51,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:05:51,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:05:51,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:05:51,710 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:05:51,710 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:05:51,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [453776414] [2023-12-25 11:05:51,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [453776414] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:05:51,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:05:51,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:05:51,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242784562] [2023-12-25 11:05:51,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:05:51,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:05:51,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:05:51,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:05:51,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:05:51,712 INFO L87 Difference]: Start difference. First operand 1542 states and 2095 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:54,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:05:54,773 INFO L93 Difference]: Finished difference Result 1891 states and 2614 transitions. [2023-12-25 11:05:54,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:05:54,773 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:05:54,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:05:54,775 INFO L225 Difference]: With dead ends: 1891 [2023-12-25 11:05:54,775 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:05:54,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:05:54,776 INFO L413 NwaCegarLoop]: 789 mSDtfsCounter, 3380 mSDsluCounter, 2184 mSDsCounter, 0 mSdLazyCounter, 2375 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3380 SdHoareTripleChecker+Valid, 2973 SdHoareTripleChecker+Invalid, 2395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:05:54,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3380 Valid, 2973 Invalid, 2395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 2375 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:05:54,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:05:54,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:05:54,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3840052875082618) internal successors, (2094), 1541 states have internal predecessors, (2094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:54,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2094 transitions. [2023-12-25 11:05:54,787 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2094 transitions. Word has length 114 [2023-12-25 11:05:54,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:05:54,787 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2094 transitions. [2023-12-25 11:05:54,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:54,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2094 transitions. [2023-12-25 11:05:54,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:05:54,789 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:05:54,789 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:05:54,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (76)] Forceful destruction successful, exit code 0 [2023-12-25 11:05:54,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 76 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:54,990 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:05:54,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:05:54,990 INFO L85 PathProgramCache]: Analyzing trace with hash 110706472, now seen corresponding path program 1 times [2023-12-25 11:05:54,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:05:54,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [195444026] [2023-12-25 11:05:54,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:05:54,991 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:54,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:05:54,993 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:05:55,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (77)] Waiting until timeout for monitored process [2023-12-25 11:05:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:05:55,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:05:55,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:05:55,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:05:55,817 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:05:55,818 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:05:55,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [195444026] [2023-12-25 11:05:55,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [195444026] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:05:55,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:05:55,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:05:55,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619997048] [2023-12-25 11:05:55,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:05:55,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:05:55,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:05:55,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:05:55,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:05:55,819 INFO L87 Difference]: Start difference. First operand 1542 states and 2094 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:59,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:05:59,096 INFO L93 Difference]: Finished difference Result 1886 states and 2608 transitions. [2023-12-25 11:05:59,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:05:59,096 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:05:59,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:05:59,098 INFO L225 Difference]: With dead ends: 1886 [2023-12-25 11:05:59,098 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:05:59,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:05:59,099 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 3423 mSDsluCounter, 2075 mSDsCounter, 0 mSdLazyCounter, 2542 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3423 SdHoareTripleChecker+Valid, 2862 SdHoareTripleChecker+Invalid, 2577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-25 11:05:59,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3423 Valid, 2862 Invalid, 2577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2542 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-25 11:05:59,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:05:59,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:05:59,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3833443489755453) internal successors, (2093), 1541 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:59,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2093 transitions. [2023-12-25 11:05:59,111 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2093 transitions. Word has length 114 [2023-12-25 11:05:59,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:05:59,111 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2093 transitions. [2023-12-25 11:05:59,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:05:59,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2093 transitions. [2023-12-25 11:05:59,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:05:59,113 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:05:59,113 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:05:59,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (77)] Forceful destruction successful, exit code 0 [2023-12-25 11:05:59,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 77 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:59,317 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:05:59,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:05:59,318 INFO L85 PathProgramCache]: Analyzing trace with hash 619897790, now seen corresponding path program 1 times [2023-12-25 11:05:59,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:05:59,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1363033517] [2023-12-25 11:05:59,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:05:59,318 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:05:59,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:05:59,319 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:05:59,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (78)] Waiting until timeout for monitored process [2023-12-25 11:05:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:05:59,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:05:59,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:00,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:06:00,251 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:00,252 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:00,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1363033517] [2023-12-25 11:06:00,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1363033517] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:00,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:00,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:00,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959276733] [2023-12-25 11:06:00,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:00,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:00,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:00,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:00,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:00,253 INFO L87 Difference]: Start difference. First operand 1542 states and 2093 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:03,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:03,363 INFO L93 Difference]: Finished difference Result 1883 states and 2604 transitions. [2023-12-25 11:06:03,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:06:03,363 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:06:03,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:03,365 INFO L225 Difference]: With dead ends: 1883 [2023-12-25 11:06:03,365 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:06:03,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:06:03,365 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 3418 mSDsluCounter, 2076 mSDsCounter, 0 mSdLazyCounter, 2542 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3418 SdHoareTripleChecker+Valid, 2862 SdHoareTripleChecker+Invalid, 2577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:03,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3418 Valid, 2862 Invalid, 2577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2542 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:06:03,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:06:03,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:06:03,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3826834104428287) internal successors, (2092), 1541 states have internal predecessors, (2092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:03,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2092 transitions. [2023-12-25 11:06:03,376 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2092 transitions. Word has length 114 [2023-12-25 11:06:03,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:03,376 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2092 transitions. [2023-12-25 11:06:03,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:03,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2092 transitions. [2023-12-25 11:06:03,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:06:03,377 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:03,377 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:06:03,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (78)] Ended with exit code 0 [2023-12-25 11:06:03,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:03,581 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:03,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:03,582 INFO L85 PathProgramCache]: Analyzing trace with hash -644430103, now seen corresponding path program 1 times [2023-12-25 11:06:03,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:03,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [617014940] [2023-12-25 11:06:03,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:03,582 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:03,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:03,583 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:06:03,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (79)] Waiting until timeout for monitored process [2023-12-25 11:06:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:03,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:03,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:04,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:06:04,433 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:04,433 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:04,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [617014940] [2023-12-25 11:06:04,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [617014940] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:04,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:04,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:04,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11549608] [2023-12-25 11:06:04,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:04,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:04,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:04,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:04,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:04,434 INFO L87 Difference]: Start difference. First operand 1542 states and 2092 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:07,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:07,567 INFO L93 Difference]: Finished difference Result 1886 states and 2606 transitions. [2023-12-25 11:06:07,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:06:07,568 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:06:07,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:07,570 INFO L225 Difference]: With dead ends: 1886 [2023-12-25 11:06:07,570 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:06:07,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:06:07,570 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 3419 mSDsluCounter, 2075 mSDsCounter, 0 mSdLazyCounter, 2534 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3419 SdHoareTripleChecker+Valid, 2862 SdHoareTripleChecker+Invalid, 2569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:07,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3419 Valid, 2862 Invalid, 2569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2534 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:06:07,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:06:07,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:06:07,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3820224719101124) internal successors, (2091), 1541 states have internal predecessors, (2091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:07,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2091 transitions. [2023-12-25 11:06:07,581 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2091 transitions. Word has length 114 [2023-12-25 11:06:07,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:07,581 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2091 transitions. [2023-12-25 11:06:07,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:07,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2091 transitions. [2023-12-25 11:06:07,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:06:07,583 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:07,583 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:06:07,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (79)] Ended with exit code 0 [2023-12-25 11:06:07,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:07,783 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:07,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:07,784 INFO L85 PathProgramCache]: Analyzing trace with hash -2116311001, now seen corresponding path program 1 times [2023-12-25 11:06:07,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:07,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [939691837] [2023-12-25 11:06:07,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:07,784 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:07,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:07,785 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:06:07,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (80)] Waiting until timeout for monitored process [2023-12-25 11:06:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:08,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:08,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:08,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:06:08,702 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:08,702 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:08,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [939691837] [2023-12-25 11:06:08,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [939691837] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:08,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:08,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:08,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364932111] [2023-12-25 11:06:08,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:08,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:08,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:08,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:08,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:08,703 INFO L87 Difference]: Start difference. First operand 1542 states and 2091 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:11,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:11,663 INFO L93 Difference]: Finished difference Result 1883 states and 2602 transitions. [2023-12-25 11:06:11,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:06:11,664 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:06:11,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:11,665 INFO L225 Difference]: With dead ends: 1883 [2023-12-25 11:06:11,666 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:06:11,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:06:11,667 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 4224 mSDsluCounter, 2076 mSDsCounter, 0 mSdLazyCounter, 2534 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4224 SdHoareTripleChecker+Valid, 2862 SdHoareTripleChecker+Invalid, 2569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:11,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4224 Valid, 2862 Invalid, 2569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2534 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:06:11,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:06:11,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:06:11,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3813615333773959) internal successors, (2090), 1541 states have internal predecessors, (2090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:11,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2090 transitions. [2023-12-25 11:06:11,679 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2090 transitions. Word has length 114 [2023-12-25 11:06:11,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:11,679 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2090 transitions. [2023-12-25 11:06:11,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:11,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2090 transitions. [2023-12-25 11:06:11,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:06:11,680 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:11,680 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:06:11,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (80)] Ended with exit code 0 [2023-12-25 11:06:11,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 80 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:11,885 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:11,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:11,885 INFO L85 PathProgramCache]: Analyzing trace with hash 914445576, now seen corresponding path program 1 times [2023-12-25 11:06:11,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:11,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634630026] [2023-12-25 11:06:11,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:11,885 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:11,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:11,886 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:06:11,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (81)] Waiting until timeout for monitored process [2023-12-25 11:06:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:12,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:12,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:12,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:06:12,751 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:12,751 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:12,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [634630026] [2023-12-25 11:06:12,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [634630026] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:12,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:12,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:12,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303432154] [2023-12-25 11:06:12,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:12,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:12,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:12,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:12,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:12,753 INFO L87 Difference]: Start difference. First operand 1542 states and 2090 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:15,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:15,655 INFO L93 Difference]: Finished difference Result 1886 states and 2604 transitions. [2023-12-25 11:06:15,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:06:15,656 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:06:15,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:15,657 INFO L225 Difference]: With dead ends: 1886 [2023-12-25 11:06:15,657 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:06:15,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:06:15,657 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 3415 mSDsluCounter, 2075 mSDsCounter, 0 mSdLazyCounter, 2526 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3415 SdHoareTripleChecker+Valid, 2862 SdHoareTripleChecker+Invalid, 2561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:15,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3415 Valid, 2862 Invalid, 2561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2526 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:06:15,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:06:15,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:06:15,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3807005948446796) internal successors, (2089), 1541 states have internal predecessors, (2089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:15,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2089 transitions. [2023-12-25 11:06:15,667 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2089 transitions. Word has length 114 [2023-12-25 11:06:15,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:15,667 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2089 transitions. [2023-12-25 11:06:15,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:15,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2089 transitions. [2023-12-25 11:06:15,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:06:15,669 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:15,669 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:06:15,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (81)] Forceful destruction successful, exit code 0 [2023-12-25 11:06:15,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 81 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:15,873 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:15,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:15,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1467616925, now seen corresponding path program 1 times [2023-12-25 11:06:15,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:15,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1592697527] [2023-12-25 11:06:15,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:15,874 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:15,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:15,875 INFO L229 MonitoredProcess]: Starting monitored process 82 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:06:15,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (82)] Waiting until timeout for monitored process [2023-12-25 11:06:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:16,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:16,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:06:16,726 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:16,726 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:16,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1592697527] [2023-12-25 11:06:16,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1592697527] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:16,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:16,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:16,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215460028] [2023-12-25 11:06:16,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:16,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:16,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:16,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:16,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:16,727 INFO L87 Difference]: Start difference. First operand 1542 states and 2089 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:19,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:19,451 INFO L93 Difference]: Finished difference Result 1883 states and 2600 transitions. [2023-12-25 11:06:19,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:06:19,452 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:06:19,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:19,453 INFO L225 Difference]: With dead ends: 1883 [2023-12-25 11:06:19,453 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:06:19,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:06:19,453 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 4218 mSDsluCounter, 2076 mSDsCounter, 0 mSdLazyCounter, 2526 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4218 SdHoareTripleChecker+Valid, 2862 SdHoareTripleChecker+Invalid, 2561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:19,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4218 Valid, 2862 Invalid, 2561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2526 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 11:06:19,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:06:19,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:06:19,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.380039656311963) internal successors, (2088), 1541 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:19,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2088 transitions. [2023-12-25 11:06:19,463 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2088 transitions. Word has length 114 [2023-12-25 11:06:19,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:19,463 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2088 transitions. [2023-12-25 11:06:19,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:19,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2088 transitions. [2023-12-25 11:06:19,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:06:19,465 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:19,465 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:06:19,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (82)] Ended with exit code 0 [2023-12-25 11:06:19,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 82 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:19,668 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:19,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:19,669 INFO L85 PathProgramCache]: Analyzing trace with hash -787248962, now seen corresponding path program 1 times [2023-12-25 11:06:19,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:19,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [444700395] [2023-12-25 11:06:19,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:19,670 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:19,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:19,671 INFO L229 MonitoredProcess]: Starting monitored process 83 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:06:19,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (83)] Waiting until timeout for monitored process [2023-12-25 11:06:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:20,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:20,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:20,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:06:20,447 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:20,447 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:20,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [444700395] [2023-12-25 11:06:20,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [444700395] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:20,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:20,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:20,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211236089] [2023-12-25 11:06:20,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:20,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:20,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:20,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:20,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:20,448 INFO L87 Difference]: Start difference. First operand 1542 states and 2088 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:23,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:23,597 INFO L93 Difference]: Finished difference Result 1883 states and 2599 transitions. [2023-12-25 11:06:23,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:06:23,597 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:06:23,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:23,599 INFO L225 Difference]: With dead ends: 1883 [2023-12-25 11:06:23,599 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:06:23,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:06:23,600 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 3408 mSDsluCounter, 2076 mSDsCounter, 0 mSdLazyCounter, 2522 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3408 SdHoareTripleChecker+Valid, 2862 SdHoareTripleChecker+Invalid, 2557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:23,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3408 Valid, 2862 Invalid, 2557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2522 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:06:23,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:06:23,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:06:23,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3793787177792465) internal successors, (2087), 1541 states have internal predecessors, (2087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:23,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2087 transitions. [2023-12-25 11:06:23,612 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2087 transitions. Word has length 114 [2023-12-25 11:06:23,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:23,612 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2087 transitions. [2023-12-25 11:06:23,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:23,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2087 transitions. [2023-12-25 11:06:23,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:06:23,613 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:23,614 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:06:23,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (83)] Forceful destruction successful, exit code 0 [2023-12-25 11:06:23,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 83 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:23,819 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:23,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:23,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1685144350, now seen corresponding path program 1 times [2023-12-25 11:06:23,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:23,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2113390410] [2023-12-25 11:06:23,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:23,819 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:23,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:23,820 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:06:23,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (84)] Waiting until timeout for monitored process [2023-12-25 11:06:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:24,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:24,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:24,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:06:24,646 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:24,646 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:24,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2113390410] [2023-12-25 11:06:24,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2113390410] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:24,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:24,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:24,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054298296] [2023-12-25 11:06:24,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:24,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:24,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:24,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:24,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:24,647 INFO L87 Difference]: Start difference. First operand 1542 states and 2087 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:27,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:27,435 INFO L93 Difference]: Finished difference Result 1883 states and 2598 transitions. [2023-12-25 11:06:27,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:06:27,436 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:06:27,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:27,437 INFO L225 Difference]: With dead ends: 1883 [2023-12-25 11:06:27,437 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:06:27,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:06:27,438 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 3406 mSDsluCounter, 2076 mSDsCounter, 0 mSdLazyCounter, 2518 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3406 SdHoareTripleChecker+Valid, 2862 SdHoareTripleChecker+Invalid, 2553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:27,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3406 Valid, 2862 Invalid, 2553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2518 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 11:06:27,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:06:27,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:06:27,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3787177792465302) internal successors, (2086), 1541 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:27,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2086 transitions. [2023-12-25 11:06:27,448 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2086 transitions. Word has length 114 [2023-12-25 11:06:27,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:27,449 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2086 transitions. [2023-12-25 11:06:27,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:27,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2086 transitions. [2023-12-25 11:06:27,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:06:27,450 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:27,450 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:06:27,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (84)] Forceful destruction successful, exit code 0 [2023-12-25 11:06:27,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 84 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:27,651 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:27,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:27,651 INFO L85 PathProgramCache]: Analyzing trace with hash 421150105, now seen corresponding path program 1 times [2023-12-25 11:06:27,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:27,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1479052967] [2023-12-25 11:06:27,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:27,652 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:27,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:27,653 INFO L229 MonitoredProcess]: Starting monitored process 85 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:06:27,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (85)] Waiting until timeout for monitored process [2023-12-25 11:06:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:28,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:28,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:28,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:06:28,452 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:28,452 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:28,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1479052967] [2023-12-25 11:06:28,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1479052967] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:28,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:28,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:28,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575313048] [2023-12-25 11:06:28,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:28,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:28,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:28,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:28,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:28,453 INFO L87 Difference]: Start difference. First operand 1542 states and 2086 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:31,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:31,382 INFO L93 Difference]: Finished difference Result 1886 states and 2600 transitions. [2023-12-25 11:06:31,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:06:31,383 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:06:31,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:31,384 INFO L225 Difference]: With dead ends: 1886 [2023-12-25 11:06:31,384 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:06:31,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:06:31,385 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 4689 mSDsluCounter, 2075 mSDsCounter, 0 mSdLazyCounter, 2510 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4689 SdHoareTripleChecker+Valid, 2862 SdHoareTripleChecker+Invalid, 2545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:31,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4689 Valid, 2862 Invalid, 2545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2510 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:06:31,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:06:31,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:06:31,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3780568407138136) internal successors, (2085), 1541 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:31,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2085 transitions. [2023-12-25 11:06:31,396 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2085 transitions. Word has length 114 [2023-12-25 11:06:31,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:31,396 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2085 transitions. [2023-12-25 11:06:31,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:31,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2085 transitions. [2023-12-25 11:06:31,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:06:31,397 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:31,397 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:06:31,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (85)] Ended with exit code 0 [2023-12-25 11:06:31,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:31,598 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:31,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:31,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1961128870, now seen corresponding path program 1 times [2023-12-25 11:06:31,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:31,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [920140434] [2023-12-25 11:06:31,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:31,599 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:31,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:31,601 INFO L229 MonitoredProcess]: Starting monitored process 86 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:06:31,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (86)] Waiting until timeout for monitored process [2023-12-25 11:06:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:31,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:31,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:32,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:06:32,432 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:32,432 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:32,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [920140434] [2023-12-25 11:06:32,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [920140434] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:32,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:32,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:32,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761936198] [2023-12-25 11:06:32,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:32,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:32,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:32,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:32,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:32,433 INFO L87 Difference]: Start difference. First operand 1542 states and 2085 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:35,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:35,522 INFO L93 Difference]: Finished difference Result 1883 states and 2596 transitions. [2023-12-25 11:06:35,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:06:35,522 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:06:35,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:35,524 INFO L225 Difference]: With dead ends: 1883 [2023-12-25 11:06:35,524 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:06:35,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:06:35,524 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 3402 mSDsluCounter, 2076 mSDsCounter, 0 mSdLazyCounter, 2510 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3402 SdHoareTripleChecker+Valid, 2862 SdHoareTripleChecker+Invalid, 2545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:35,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3402 Valid, 2862 Invalid, 2545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2510 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:06:35,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:06:35,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:06:35,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.377395902181097) internal successors, (2084), 1541 states have internal predecessors, (2084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:35,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2084 transitions. [2023-12-25 11:06:35,536 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2084 transitions. Word has length 114 [2023-12-25 11:06:35,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:35,536 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2084 transitions. [2023-12-25 11:06:35,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:35,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2084 transitions. [2023-12-25 11:06:35,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:06:35,538 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:35,538 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:06:35,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (86)] Forceful destruction successful, exit code 0 [2023-12-25 11:06:35,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 86 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:35,742 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:35,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:35,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1716325617, now seen corresponding path program 1 times [2023-12-25 11:06:35,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:35,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [119078142] [2023-12-25 11:06:35,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:35,744 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:35,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:35,745 INFO L229 MonitoredProcess]: Starting monitored process 87 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:06:35,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (87)] Waiting until timeout for monitored process [2023-12-25 11:06:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:36,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:36,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:36,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:06:36,631 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:36,631 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:36,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [119078142] [2023-12-25 11:06:36,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [119078142] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:36,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:36,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:36,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198203011] [2023-12-25 11:06:36,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:36,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:36,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:36,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:36,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:36,632 INFO L87 Difference]: Start difference. First operand 1542 states and 2084 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:39,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:39,697 INFO L93 Difference]: Finished difference Result 1881 states and 2593 transitions. [2023-12-25 11:06:39,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:06:39,697 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:06:39,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:39,699 INFO L225 Difference]: With dead ends: 1881 [2023-12-25 11:06:39,699 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:06:39,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:06:39,700 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 3399 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 2507 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3399 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:39,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3399 Valid, 2863 Invalid, 2542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2507 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:06:39,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:06:39,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:06:39,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3760740251156642) internal successors, (2082), 1541 states have internal predecessors, (2082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:39,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2082 transitions. [2023-12-25 11:06:39,715 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2082 transitions. Word has length 114 [2023-12-25 11:06:39,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:39,716 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2082 transitions. [2023-12-25 11:06:39,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:39,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2082 transitions. [2023-12-25 11:06:39,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:06:39,717 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:39,717 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:06:39,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (87)] Forceful destruction successful, exit code 0 [2023-12-25 11:06:39,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 87 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:39,926 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:39,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:39,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1958502362, now seen corresponding path program 1 times [2023-12-25 11:06:39,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:39,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082717298] [2023-12-25 11:06:39,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:39,927 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:39,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:39,928 INFO L229 MonitoredProcess]: Starting monitored process 88 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:06:39,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (88)] Waiting until timeout for monitored process [2023-12-25 11:06:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:40,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:40,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:40,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:06:40,766 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:40,766 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:40,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2082717298] [2023-12-25 11:06:40,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2082717298] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:40,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:40,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:40,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518438635] [2023-12-25 11:06:40,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:40,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:40,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:40,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:40,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:40,767 INFO L87 Difference]: Start difference. First operand 1542 states and 2082 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:43,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:43,904 INFO L93 Difference]: Finished difference Result 1885 states and 2595 transitions. [2023-12-25 11:06:43,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:06:43,905 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:06:43,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:43,906 INFO L225 Difference]: With dead ends: 1885 [2023-12-25 11:06:43,906 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:06:43,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:06:43,907 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 3398 mSDsluCounter, 2079 mSDsCounter, 0 mSdLazyCounter, 2498 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3398 SdHoareTripleChecker+Valid, 2866 SdHoareTripleChecker+Invalid, 2533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:43,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3398 Valid, 2866 Invalid, 2533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2498 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:06:43,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:06:43,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:06:43,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3747521480502314) internal successors, (2080), 1541 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:43,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2080 transitions. [2023-12-25 11:06:43,932 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2080 transitions. Word has length 114 [2023-12-25 11:06:43,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:43,933 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2080 transitions. [2023-12-25 11:06:43,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:43,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2080 transitions. [2023-12-25 11:06:43,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:06:43,934 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:43,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:06:43,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (88)] Forceful destruction successful, exit code 0 [2023-12-25 11:06:44,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 88 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:44,138 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:44,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:44,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1309808286, now seen corresponding path program 1 times [2023-12-25 11:06:44,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:44,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1806800040] [2023-12-25 11:06:44,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:44,139 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:44,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:44,140 INFO L229 MonitoredProcess]: Starting monitored process 89 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:06:44,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (89)] Waiting until timeout for monitored process [2023-12-25 11:06:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:44,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:44,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:45,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:06:45,016 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:45,016 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:45,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1806800040] [2023-12-25 11:06:45,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1806800040] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:45,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:45,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:45,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823263773] [2023-12-25 11:06:45,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:45,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:45,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:45,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:45,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:45,018 INFO L87 Difference]: Start difference. First operand 1542 states and 2080 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:48,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:48,122 INFO L93 Difference]: Finished difference Result 1885 states and 2593 transitions. [2023-12-25 11:06:48,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:06:48,122 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:06:48,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:48,124 INFO L225 Difference]: With dead ends: 1885 [2023-12-25 11:06:48,124 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:06:48,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:06:48,125 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 3396 mSDsluCounter, 2079 mSDsCounter, 0 mSdLazyCounter, 2494 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3396 SdHoareTripleChecker+Valid, 2866 SdHoareTripleChecker+Invalid, 2529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:48,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3396 Valid, 2866 Invalid, 2529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2494 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:06:48,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:06:48,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:06:48,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3734302709847983) internal successors, (2078), 1541 states have internal predecessors, (2078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:48,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2078 transitions. [2023-12-25 11:06:48,138 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2078 transitions. Word has length 114 [2023-12-25 11:06:48,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:48,138 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2078 transitions. [2023-12-25 11:06:48,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:48,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2078 transitions. [2023-12-25 11:06:48,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:06:48,140 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:48,140 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:06:48,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (89)] Ended with exit code 0 [2023-12-25 11:06:48,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 89 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:48,340 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:48,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:48,341 INFO L85 PathProgramCache]: Analyzing trace with hash 44709825, now seen corresponding path program 1 times [2023-12-25 11:06:48,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:48,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1478146160] [2023-12-25 11:06:48,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:48,341 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:48,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:48,342 INFO L229 MonitoredProcess]: Starting monitored process 90 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:06:48,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (90)] Waiting until timeout for monitored process [2023-12-25 11:06:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:48,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:48,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:49,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:06:49,178 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:49,179 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:49,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1478146160] [2023-12-25 11:06:49,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1478146160] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:49,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:49,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:49,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757328017] [2023-12-25 11:06:49,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:49,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:49,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:49,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:49,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:49,180 INFO L87 Difference]: Start difference. First operand 1542 states and 2078 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:52,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:52,532 INFO L93 Difference]: Finished difference Result 1720 states and 2341 transitions. [2023-12-25 11:06:52,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:06:52,533 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:06:52,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:52,534 INFO L225 Difference]: With dead ends: 1720 [2023-12-25 11:06:52,534 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:06:52,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:06:52,535 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 3396 mSDsluCounter, 2076 mSDsCounter, 0 mSdLazyCounter, 2490 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3396 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:52,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3396 Valid, 2863 Invalid, 2525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2490 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-12-25 11:06:52,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:06:52,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:06:52,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3721083939193655) internal successors, (2076), 1541 states have internal predecessors, (2076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:52,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2076 transitions. [2023-12-25 11:06:52,548 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2076 transitions. Word has length 114 [2023-12-25 11:06:52,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:52,548 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2076 transitions. [2023-12-25 11:06:52,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:52,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2076 transitions. [2023-12-25 11:06:52,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:06:52,549 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:52,549 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:06:52,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (90)] Forceful destruction successful, exit code 0 [2023-12-25 11:06:52,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 90 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:52,755 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:52,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:52,755 INFO L85 PathProgramCache]: Analyzing trace with hash -759029279, now seen corresponding path program 1 times [2023-12-25 11:06:52,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:52,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [716341506] [2023-12-25 11:06:52,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:52,755 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:52,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:52,757 INFO L229 MonitoredProcess]: Starting monitored process 91 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:06:52,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (91)] Waiting until timeout for monitored process [2023-12-25 11:06:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:53,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:53,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:53,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:06:53,613 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:53,614 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:53,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [716341506] [2023-12-25 11:06:53,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [716341506] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:53,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:53,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:53,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310049360] [2023-12-25 11:06:53,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:53,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:53,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:53,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:53,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:53,615 INFO L87 Difference]: Start difference. First operand 1542 states and 2076 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:56,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:56,748 INFO L93 Difference]: Finished difference Result 1720 states and 2339 transitions. [2023-12-25 11:06:56,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:06:56,749 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:06:56,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:56,750 INFO L225 Difference]: With dead ends: 1720 [2023-12-25 11:06:56,750 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:06:56,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:06:56,751 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 3394 mSDsluCounter, 2076 mSDsCounter, 0 mSdLazyCounter, 2486 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3394 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:56,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3394 Valid, 2863 Invalid, 2521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2486 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:06:56,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:06:56,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:06:56,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3707865168539326) internal successors, (2074), 1541 states have internal predecessors, (2074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:56,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2074 transitions. [2023-12-25 11:06:56,763 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2074 transitions. Word has length 114 [2023-12-25 11:06:56,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:56,763 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2074 transitions. [2023-12-25 11:06:56,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:56,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2074 transitions. [2023-12-25 11:06:56,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:06:56,764 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:56,765 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:06:56,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (91)] Ended with exit code 0 [2023-12-25 11:06:56,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 91 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:56,968 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:56,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:56,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1153167823, now seen corresponding path program 1 times [2023-12-25 11:06:56,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:56,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [520391968] [2023-12-25 11:06:56,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:56,969 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:06:56,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:56,970 INFO L229 MonitoredProcess]: Starting monitored process 92 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:06:56,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (92)] Waiting until timeout for monitored process [2023-12-25 11:06:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:57,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:57,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:57,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:06:57,800 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:57,800 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:57,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [520391968] [2023-12-25 11:06:57,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [520391968] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:57,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:57,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:57,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844728785] [2023-12-25 11:06:57,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:57,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:57,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:57,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:57,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:57,801 INFO L87 Difference]: Start difference. First operand 1542 states and 2074 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:00,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:00,759 INFO L93 Difference]: Finished difference Result 1725 states and 2342 transitions. [2023-12-25 11:07:00,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:00,759 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:07:00,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:00,761 INFO L225 Difference]: With dead ends: 1725 [2023-12-25 11:07:00,761 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:07:00,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:07:00,762 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 3160 mSDsluCounter, 2278 mSDsCounter, 0 mSdLazyCounter, 2452 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3160 SdHoareTripleChecker+Valid, 3114 SdHoareTripleChecker+Invalid, 2471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:00,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3160 Valid, 3114 Invalid, 2471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2452 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:07:00,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:07:00,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:07:00,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3694646397884997) internal successors, (2072), 1541 states have internal predecessors, (2072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:00,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2072 transitions. [2023-12-25 11:07:00,772 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2072 transitions. Word has length 114 [2023-12-25 11:07:00,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:00,772 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2072 transitions. [2023-12-25 11:07:00,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:00,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2072 transitions. [2023-12-25 11:07:00,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:07:00,773 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:00,773 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:07:00,777 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (92)] Ended with exit code 0 [2023-12-25 11:07:00,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 92 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:00,977 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:00,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:00,977 INFO L85 PathProgramCache]: Analyzing trace with hash -248950219, now seen corresponding path program 1 times [2023-12-25 11:07:00,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:00,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1720659471] [2023-12-25 11:07:00,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:00,978 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:00,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:00,979 INFO L229 MonitoredProcess]: Starting monitored process 93 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:07:01,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (93)] Waiting until timeout for monitored process [2023-12-25 11:07:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:01,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:01,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:07:01,890 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:01,890 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:01,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1720659471] [2023-12-25 11:07:01,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1720659471] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:01,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:01,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:01,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743897097] [2023-12-25 11:07:01,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:01,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:01,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:01,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:01,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:01,891 INFO L87 Difference]: Start difference. First operand 1542 states and 2072 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:04,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:04,962 INFO L93 Difference]: Finished difference Result 1885 states and 2585 transitions. [2023-12-25 11:07:04,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:04,962 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:07:04,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:04,964 INFO L225 Difference]: With dead ends: 1885 [2023-12-25 11:07:04,964 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:07:04,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:07:04,965 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 3387 mSDsluCounter, 2079 mSDsCounter, 0 mSdLazyCounter, 2479 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3387 SdHoareTripleChecker+Valid, 2866 SdHoareTripleChecker+Invalid, 2514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:04,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3387 Valid, 2866 Invalid, 2514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2479 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:07:04,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:07:04,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:07:04,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3681427627230667) internal successors, (2070), 1541 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:04,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2070 transitions. [2023-12-25 11:07:04,975 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2070 transitions. Word has length 114 [2023-12-25 11:07:04,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:04,976 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2070 transitions. [2023-12-25 11:07:04,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:04,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2070 transitions. [2023-12-25 11:07:04,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:07:04,977 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:04,977 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:07:04,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (93)] Forceful destruction successful, exit code 0 [2023-12-25 11:07:05,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 93 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:05,181 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:05,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:05,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1514165854, now seen corresponding path program 1 times [2023-12-25 11:07:05,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:05,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [661974517] [2023-12-25 11:07:05,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:05,182 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:05,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:05,183 INFO L229 MonitoredProcess]: Starting monitored process 94 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:07:05,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (94)] Waiting until timeout for monitored process [2023-12-25 11:07:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:05,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:05,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:06,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:07:06,057 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:06,057 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:06,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [661974517] [2023-12-25 11:07:06,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [661974517] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:06,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:06,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:06,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301347862] [2023-12-25 11:07:06,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:06,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:06,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:06,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:06,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:06,058 INFO L87 Difference]: Start difference. First operand 1542 states and 2070 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:09,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:09,254 INFO L93 Difference]: Finished difference Result 1720 states and 2333 transitions. [2023-12-25 11:07:09,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:09,255 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:07:09,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:09,256 INFO L225 Difference]: With dead ends: 1720 [2023-12-25 11:07:09,256 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:07:09,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:07:09,257 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 3387 mSDsluCounter, 2076 mSDsCounter, 0 mSdLazyCounter, 2475 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3387 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:09,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3387 Valid, 2863 Invalid, 2510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2475 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:07:09,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:07:09,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:07:09,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3668208856576338) internal successors, (2068), 1541 states have internal predecessors, (2068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:09,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2068 transitions. [2023-12-25 11:07:09,268 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2068 transitions. Word has length 114 [2023-12-25 11:07:09,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:09,269 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2068 transitions. [2023-12-25 11:07:09,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:09,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2068 transitions. [2023-12-25 11:07:09,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:07:09,270 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:09,270 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:07:09,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (94)] Forceful destruction successful, exit code 0 [2023-12-25 11:07:09,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 94 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:09,474 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:09,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:09,474 INFO L85 PathProgramCache]: Analyzing trace with hash -728172644, now seen corresponding path program 1 times [2023-12-25 11:07:09,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:09,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191373383] [2023-12-25 11:07:09,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:09,475 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:09,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:09,476 INFO L229 MonitoredProcess]: Starting monitored process 95 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:07:09,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (95)] Waiting until timeout for monitored process [2023-12-25 11:07:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:09,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:09,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:10,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:07:10,388 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:10,388 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:10,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1191373383] [2023-12-25 11:07:10,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1191373383] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:10,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:10,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:10,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001280591] [2023-12-25 11:07:10,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:10,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:10,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:10,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:10,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:10,389 INFO L87 Difference]: Start difference. First operand 1542 states and 2068 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:13,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:13,524 INFO L93 Difference]: Finished difference Result 1881 states and 2577 transitions. [2023-12-25 11:07:13,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:13,524 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:07:13,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:13,526 INFO L225 Difference]: With dead ends: 1881 [2023-12-25 11:07:13,526 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:07:13,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:07:13,527 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 3382 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 2476 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3382 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:13,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3382 Valid, 2863 Invalid, 2511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2476 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:07:13,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:07:13,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:07:13,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.365499008592201) internal successors, (2066), 1541 states have internal predecessors, (2066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:13,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2066 transitions. [2023-12-25 11:07:13,538 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2066 transitions. Word has length 114 [2023-12-25 11:07:13,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:13,538 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2066 transitions. [2023-12-25 11:07:13,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:13,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2066 transitions. [2023-12-25 11:07:13,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:07:13,539 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:13,540 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:07:13,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (95)] Forceful destruction successful, exit code 0 [2023-12-25 11:07:13,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 95 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:13,746 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:13,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:13,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1656096971, now seen corresponding path program 1 times [2023-12-25 11:07:13,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:13,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1041133469] [2023-12-25 11:07:13,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:13,747 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:13,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:13,748 INFO L229 MonitoredProcess]: Starting monitored process 96 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:07:13,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (96)] Waiting until timeout for monitored process [2023-12-25 11:07:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:14,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:14,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:14,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:07:14,606 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:14,606 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:14,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1041133469] [2023-12-25 11:07:14,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1041133469] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:14,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:14,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:14,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787528617] [2023-12-25 11:07:14,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:14,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:14,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:14,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:14,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:14,607 INFO L87 Difference]: Start difference. First operand 1542 states and 2066 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:17,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:17,320 INFO L93 Difference]: Finished difference Result 1885 states and 2579 transitions. [2023-12-25 11:07:17,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:17,321 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:07:17,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:17,322 INFO L225 Difference]: With dead ends: 1885 [2023-12-25 11:07:17,322 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:07:17,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:07:17,323 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 3381 mSDsluCounter, 2079 mSDsCounter, 0 mSdLazyCounter, 2467 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3381 SdHoareTripleChecker+Valid, 2866 SdHoareTripleChecker+Invalid, 2502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:17,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3381 Valid, 2866 Invalid, 2502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2467 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-25 11:07:17,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:07:17,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:07:17,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3641771315267681) internal successors, (2064), 1541 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:17,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2064 transitions. [2023-12-25 11:07:17,335 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2064 transitions. Word has length 114 [2023-12-25 11:07:17,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:17,335 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2064 transitions. [2023-12-25 11:07:17,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:17,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2064 transitions. [2023-12-25 11:07:17,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:07:17,336 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:17,336 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:07:17,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (96)] Forceful destruction successful, exit code 0 [2023-12-25 11:07:17,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 96 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:17,540 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:17,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:17,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1579404938, now seen corresponding path program 1 times [2023-12-25 11:07:17,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:17,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1150221272] [2023-12-25 11:07:17,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:17,541 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:17,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:17,542 INFO L229 MonitoredProcess]: Starting monitored process 97 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:07:17,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (97)] Waiting until timeout for monitored process [2023-12-25 11:07:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:17,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:17,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:18,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:07:18,348 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:18,349 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:18,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1150221272] [2023-12-25 11:07:18,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1150221272] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:18,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:18,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:18,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100247859] [2023-12-25 11:07:18,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:18,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:18,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:18,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:18,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:18,350 INFO L87 Difference]: Start difference. First operand 1542 states and 2064 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:21,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:21,498 INFO L93 Difference]: Finished difference Result 1881 states and 2573 transitions. [2023-12-25 11:07:21,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:21,498 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:07:21,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:21,500 INFO L225 Difference]: With dead ends: 1881 [2023-12-25 11:07:21,500 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:07:21,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:07:21,501 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 3378 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 2468 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3378 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:21,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3378 Valid, 2863 Invalid, 2503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2468 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:07:21,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:07:21,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:07:21,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.362855254461335) internal successors, (2062), 1541 states have internal predecessors, (2062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:21,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2062 transitions. [2023-12-25 11:07:21,526 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2062 transitions. Word has length 114 [2023-12-25 11:07:21,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:21,527 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2062 transitions. [2023-12-25 11:07:21,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:21,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2062 transitions. [2023-12-25 11:07:21,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:07:21,528 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:21,528 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:07:21,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (97)] Forceful destruction successful, exit code 0 [2023-12-25 11:07:21,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 97 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:21,732 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:21,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:21,732 INFO L85 PathProgramCache]: Analyzing trace with hash 816296341, now seen corresponding path program 1 times [2023-12-25 11:07:21,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:21,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1778965303] [2023-12-25 11:07:21,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:21,733 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:21,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:21,734 INFO L229 MonitoredProcess]: Starting monitored process 98 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:07:21,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (98)] Waiting until timeout for monitored process [2023-12-25 11:07:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:22,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:22,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:22,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:07:22,610 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:22,610 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:22,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1778965303] [2023-12-25 11:07:22,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1778965303] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:22,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:22,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:22,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991331211] [2023-12-25 11:07:22,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:22,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:22,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:22,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:22,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:22,611 INFO L87 Difference]: Start difference. First operand 1542 states and 2062 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:25,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:25,705 INFO L93 Difference]: Finished difference Result 1885 states and 2575 transitions. [2023-12-25 11:07:25,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:25,706 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:07:25,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:25,707 INFO L225 Difference]: With dead ends: 1885 [2023-12-25 11:07:25,707 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:07:25,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:07:25,708 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 4162 mSDsluCounter, 2079 mSDsCounter, 0 mSdLazyCounter, 2459 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4162 SdHoareTripleChecker+Valid, 2866 SdHoareTripleChecker+Invalid, 2494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:25,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4162 Valid, 2866 Invalid, 2494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2459 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:07:25,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:07:25,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:07:25,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3615333773959022) internal successors, (2060), 1541 states have internal predecessors, (2060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:25,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2060 transitions. [2023-12-25 11:07:25,729 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2060 transitions. Word has length 114 [2023-12-25 11:07:25,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:25,730 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2060 transitions. [2023-12-25 11:07:25,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:25,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2060 transitions. [2023-12-25 11:07:25,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:07:25,731 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:25,731 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:07:25,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (98)] Forceful destruction successful, exit code 0 [2023-12-25 11:07:25,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 98 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:25,935 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:25,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:25,935 INFO L85 PathProgramCache]: Analyzing trace with hash -448585646, now seen corresponding path program 1 times [2023-12-25 11:07:25,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:25,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [506765665] [2023-12-25 11:07:25,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:25,936 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:25,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:25,937 INFO L229 MonitoredProcess]: Starting monitored process 99 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:07:25,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (99)] Waiting until timeout for monitored process [2023-12-25 11:07:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:26,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:26,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:26,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:07:26,833 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:26,833 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:26,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [506765665] [2023-12-25 11:07:26,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [506765665] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:26,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:26,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:26,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124848229] [2023-12-25 11:07:26,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:26,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:26,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:26,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:26,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:26,834 INFO L87 Difference]: Start difference. First operand 1542 states and 2060 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:29,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:29,906 INFO L93 Difference]: Finished difference Result 1720 states and 2323 transitions. [2023-12-25 11:07:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:29,906 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:07:29,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:29,908 INFO L225 Difference]: With dead ends: 1720 [2023-12-25 11:07:29,908 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:07:29,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:07:29,908 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 4657 mSDsluCounter, 2076 mSDsCounter, 0 mSdLazyCounter, 2455 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4657 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:29,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4657 Valid, 2863 Invalid, 2490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2455 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:07:29,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:07:29,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:07:29,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3602115003304693) internal successors, (2058), 1541 states have internal predecessors, (2058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:29,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2058 transitions. [2023-12-25 11:07:29,918 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2058 transitions. Word has length 114 [2023-12-25 11:07:29,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:29,919 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2058 transitions. [2023-12-25 11:07:29,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:29,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2058 transitions. [2023-12-25 11:07:29,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:07:29,920 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:29,920 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:07:29,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (99)] Forceful destruction successful, exit code 0 [2023-12-25 11:07:30,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 99 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:30,124 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:30,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:30,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1464990417, now seen corresponding path program 1 times [2023-12-25 11:07:30,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:30,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1144566058] [2023-12-25 11:07:30,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:30,125 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:30,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:30,126 INFO L229 MonitoredProcess]: Starting monitored process 100 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:07:30,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (100)] Waiting until timeout for monitored process [2023-12-25 11:07:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:30,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:30,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:31,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:07:31,030 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:31,030 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:31,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1144566058] [2023-12-25 11:07:31,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1144566058] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:31,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:31,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:31,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901625008] [2023-12-25 11:07:31,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:31,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:31,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:31,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:31,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:31,031 INFO L87 Difference]: Start difference. First operand 1542 states and 2058 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:33,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:33,990 INFO L93 Difference]: Finished difference Result 1885 states and 2571 transitions. [2023-12-25 11:07:33,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:33,990 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:07:33,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:33,991 INFO L225 Difference]: With dead ends: 1885 [2023-12-25 11:07:33,992 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:07:33,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:07:33,992 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 3373 mSDsluCounter, 2079 mSDsCounter, 0 mSdLazyCounter, 2451 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3373 SdHoareTripleChecker+Valid, 2866 SdHoareTripleChecker+Invalid, 2486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:33,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3373 Valid, 2866 Invalid, 2486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2451 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:07:33,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:07:34,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:07:34,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3588896232650363) internal successors, (2056), 1541 states have internal predecessors, (2056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:34,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2056 transitions. [2023-12-25 11:07:34,003 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2056 transitions. Word has length 114 [2023-12-25 11:07:34,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:34,003 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2056 transitions. [2023-12-25 11:07:34,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:34,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2056 transitions. [2023-12-25 11:07:34,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:07:34,004 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:34,004 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:07:34,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (100)] Ended with exit code 0 [2023-12-25 11:07:34,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 100 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:34,208 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:34,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:34,208 INFO L85 PathProgramCache]: Analyzing trace with hash -931195966, now seen corresponding path program 1 times [2023-12-25 11:07:34,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:34,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2111694445] [2023-12-25 11:07:34,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:34,209 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:34,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:34,210 INFO L229 MonitoredProcess]: Starting monitored process 101 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:07:34,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (101)] Waiting until timeout for monitored process [2023-12-25 11:07:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:34,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:34,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:35,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:07:35,094 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:35,094 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:35,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2111694445] [2023-12-25 11:07:35,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2111694445] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:35,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:35,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:35,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937906259] [2023-12-25 11:07:35,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:35,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:35,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:35,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:35,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:35,095 INFO L87 Difference]: Start difference. First operand 1542 states and 2056 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:38,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:38,163 INFO L93 Difference]: Finished difference Result 1881 states and 2565 transitions. [2023-12-25 11:07:38,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:38,164 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:07:38,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:38,165 INFO L225 Difference]: With dead ends: 1881 [2023-12-25 11:07:38,165 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:07:38,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:07:38,166 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 4650 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 2452 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4650 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:38,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4650 Valid, 2863 Invalid, 2487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2452 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:07:38,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:07:38,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:07:38,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3575677461996034) internal successors, (2054), 1541 states have internal predecessors, (2054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:38,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2054 transitions. [2023-12-25 11:07:38,177 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2054 transitions. Word has length 114 [2023-12-25 11:07:38,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:38,178 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2054 transitions. [2023-12-25 11:07:38,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:38,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2054 transitions. [2023-12-25 11:07:38,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:07:38,179 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:38,179 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:07:38,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (101)] Ended with exit code 0 [2023-12-25 11:07:38,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 101 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:38,383 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:38,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:38,383 INFO L85 PathProgramCache]: Analyzing trace with hash -792310262, now seen corresponding path program 1 times [2023-12-25 11:07:38,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:38,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2033899094] [2023-12-25 11:07:38,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:38,384 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:38,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:38,386 INFO L229 MonitoredProcess]: Starting monitored process 102 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:07:38,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (102)] Waiting until timeout for monitored process [2023-12-25 11:07:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:38,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:38,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:39,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:07:39,257 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:39,257 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:39,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2033899094] [2023-12-25 11:07:39,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2033899094] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:39,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:39,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:39,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572235345] [2023-12-25 11:07:39,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:39,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:39,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:39,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:39,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:39,258 INFO L87 Difference]: Start difference. First operand 1542 states and 2054 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:42,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:42,459 INFO L93 Difference]: Finished difference Result 1938 states and 2635 transitions. [2023-12-25 11:07:42,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:42,459 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:07:42,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:42,461 INFO L225 Difference]: With dead ends: 1938 [2023-12-25 11:07:42,461 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:07:42,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:07:42,462 INFO L413 NwaCegarLoop]: 813 mSDtfsCounter, 4646 mSDsluCounter, 2252 mSDsCounter, 0 mSdLazyCounter, 2239 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4646 SdHoareTripleChecker+Valid, 3065 SdHoareTripleChecker+Invalid, 2251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:42,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4646 Valid, 3065 Invalid, 2251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2239 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:07:42,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:07:42,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:07:42,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3562458691341706) internal successors, (2052), 1541 states have internal predecessors, (2052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:42,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2052 transitions. [2023-12-25 11:07:42,473 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2052 transitions. Word has length 114 [2023-12-25 11:07:42,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:42,473 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2052 transitions. [2023-12-25 11:07:42,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:42,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2052 transitions. [2023-12-25 11:07:42,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:07:42,474 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:42,475 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:07:42,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (102)] Ended with exit code 0 [2023-12-25 11:07:42,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 102 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:42,677 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:42,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:42,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1628046504, now seen corresponding path program 1 times [2023-12-25 11:07:42,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:42,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1738997560] [2023-12-25 11:07:42,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:42,679 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:42,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:42,680 INFO L229 MonitoredProcess]: Starting monitored process 103 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:07:42,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (103)] Waiting until timeout for monitored process [2023-12-25 11:07:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:43,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:43,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:43,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:07:43,558 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:43,558 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:43,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1738997560] [2023-12-25 11:07:43,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1738997560] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:43,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:43,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:43,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369988009] [2023-12-25 11:07:43,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:43,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:43,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:43,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:43,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:43,559 INFO L87 Difference]: Start difference. First operand 1542 states and 2052 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:46,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:46,602 INFO L93 Difference]: Finished difference Result 1889 states and 2570 transitions. [2023-12-25 11:07:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:46,602 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:07:46,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:46,604 INFO L225 Difference]: With dead ends: 1889 [2023-12-25 11:07:46,604 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:07:46,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:07:46,605 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 4645 mSDsluCounter, 2075 mSDsCounter, 0 mSdLazyCounter, 2440 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4645 SdHoareTripleChecker+Valid, 2862 SdHoareTripleChecker+Invalid, 2475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:46,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4645 Valid, 2862 Invalid, 2475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2440 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:07:46,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:07:46,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:07:46,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3549239920687377) internal successors, (2050), 1541 states have internal predecessors, (2050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:46,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2050 transitions. [2023-12-25 11:07:46,618 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2050 transitions. Word has length 114 [2023-12-25 11:07:46,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:46,618 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2050 transitions. [2023-12-25 11:07:46,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:46,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2050 transitions. [2023-12-25 11:07:46,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:07:46,619 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:46,620 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:07:46,631 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (103)] Ended with exit code 0 [2023-12-25 11:07:46,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 103 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:46,824 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:46,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:46,824 INFO L85 PathProgramCache]: Analyzing trace with hash -754723690, now seen corresponding path program 1 times [2023-12-25 11:07:46,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:46,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [188217127] [2023-12-25 11:07:46,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:46,825 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:46,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:46,826 INFO L229 MonitoredProcess]: Starting monitored process 104 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:07:46,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (104)] Waiting until timeout for monitored process [2023-12-25 11:07:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:47,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:47,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:47,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:07:47,681 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:47,681 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:47,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [188217127] [2023-12-25 11:07:47,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [188217127] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:47,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:47,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:47,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560406768] [2023-12-25 11:07:47,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:47,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:47,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:47,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:47,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:47,682 INFO L87 Difference]: Start difference. First operand 1542 states and 2050 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:50,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:50,443 INFO L93 Difference]: Finished difference Result 1898 states and 2580 transitions. [2023-12-25 11:07:50,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:50,443 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:07:50,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:50,445 INFO L225 Difference]: With dead ends: 1898 [2023-12-25 11:07:50,445 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:07:50,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:07:50,446 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 3137 mSDsluCounter, 2276 mSDsCounter, 0 mSdLazyCounter, 2405 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3137 SdHoareTripleChecker+Valid, 3112 SdHoareTripleChecker+Invalid, 2424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:50,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3137 Valid, 3112 Invalid, 2424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2405 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 11:07:50,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:07:50,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:07:50,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3536021150033046) internal successors, (2048), 1541 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:50,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2048 transitions. [2023-12-25 11:07:50,478 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2048 transitions. Word has length 114 [2023-12-25 11:07:50,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:50,478 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2048 transitions. [2023-12-25 11:07:50,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:50,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2048 transitions. [2023-12-25 11:07:50,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:07:50,479 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:50,479 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:07:50,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (104)] Forceful destruction successful, exit code 0 [2023-12-25 11:07:50,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 104 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:50,680 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:50,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:50,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1263034005, now seen corresponding path program 1 times [2023-12-25 11:07:50,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:50,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1724713399] [2023-12-25 11:07:50,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:50,681 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:50,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:50,682 INFO L229 MonitoredProcess]: Starting monitored process 105 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:07:50,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (105)] Waiting until timeout for monitored process [2023-12-25 11:07:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:51,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:51,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:51,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:07:51,581 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:51,581 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:51,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1724713399] [2023-12-25 11:07:51,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1724713399] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:51,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:51,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:51,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549013781] [2023-12-25 11:07:51,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:51,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:51,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:51,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:51,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:51,582 INFO L87 Difference]: Start difference. First operand 1542 states and 2048 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:54,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:54,473 INFO L93 Difference]: Finished difference Result 1889 states and 2566 transitions. [2023-12-25 11:07:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:54,473 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:07:54,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:54,475 INFO L225 Difference]: With dead ends: 1889 [2023-12-25 11:07:54,475 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:07:54,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:07:54,475 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 3364 mSDsluCounter, 2075 mSDsCounter, 0 mSdLazyCounter, 2433 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3364 SdHoareTripleChecker+Valid, 2862 SdHoareTripleChecker+Invalid, 2468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:54,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3364 Valid, 2862 Invalid, 2468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2433 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:07:54,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:07:54,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:07:54,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3522802379378718) internal successors, (2046), 1541 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:54,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2046 transitions. [2023-12-25 11:07:54,486 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2046 transitions. Word has length 114 [2023-12-25 11:07:54,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:54,487 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2046 transitions. [2023-12-25 11:07:54,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:54,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2046 transitions. [2023-12-25 11:07:54,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:07:54,488 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:54,488 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:07:54,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (105)] Forceful destruction successful, exit code 0 [2023-12-25 11:07:54,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 105 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:54,692 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:54,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:54,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1119736189, now seen corresponding path program 1 times [2023-12-25 11:07:54,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:54,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1199770539] [2023-12-25 11:07:54,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:54,693 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:54,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:54,694 INFO L229 MonitoredProcess]: Starting monitored process 106 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:07:54,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (106)] Waiting until timeout for monitored process [2023-12-25 11:07:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:55,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:55,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:55,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:07:55,599 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:55,599 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:55,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1199770539] [2023-12-25 11:07:55,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1199770539] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:55,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:55,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:55,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264644067] [2023-12-25 11:07:55,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:55,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:55,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:55,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:55,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:55,601 INFO L87 Difference]: Start difference. First operand 1542 states and 2046 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:58,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:58,491 INFO L93 Difference]: Finished difference Result 1898 states and 2576 transitions. [2023-12-25 11:07:58,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:58,491 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:07:58,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:58,493 INFO L225 Difference]: With dead ends: 1898 [2023-12-25 11:07:58,493 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:07:58,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:07:58,494 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 4402 mSDsluCounter, 2276 mSDsCounter, 0 mSdLazyCounter, 2397 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4402 SdHoareTripleChecker+Valid, 3112 SdHoareTripleChecker+Invalid, 2416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:58,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4402 Valid, 3112 Invalid, 2416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2397 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:07:58,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:07:58,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:07:58,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.350958360872439) internal successors, (2044), 1541 states have internal predecessors, (2044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:58,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2044 transitions. [2023-12-25 11:07:58,506 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2044 transitions. Word has length 114 [2023-12-25 11:07:58,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:58,506 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2044 transitions. [2023-12-25 11:07:58,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:58,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2044 transitions. [2023-12-25 11:07:58,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:07:58,507 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:58,507 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:07:58,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (106)] Ended with exit code 0 [2023-12-25 11:07:58,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 106 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:58,711 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:58,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:58,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1773855829, now seen corresponding path program 1 times [2023-12-25 11:07:58,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:58,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1742371379] [2023-12-25 11:07:58,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:58,712 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:07:58,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:58,716 INFO L229 MonitoredProcess]: Starting monitored process 107 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:07:58,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (107)] Waiting until timeout for monitored process [2023-12-25 11:07:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:58,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:59,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:59,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:07:59,468 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:59,468 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:59,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1742371379] [2023-12-25 11:07:59,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1742371379] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:59,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:59,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:59,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771279896] [2023-12-25 11:07:59,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:59,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:59,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:59,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:59,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:59,469 INFO L87 Difference]: Start difference. First operand 1542 states and 2044 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:02,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:02,498 INFO L93 Difference]: Finished difference Result 1885 states and 2557 transitions. [2023-12-25 11:08:02,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:02,499 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:08:02,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:02,500 INFO L225 Difference]: With dead ends: 1885 [2023-12-25 11:08:02,500 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:08:02,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:08:02,501 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 3356 mSDsluCounter, 2076 mSDsCounter, 0 mSdLazyCounter, 2430 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3356 SdHoareTripleChecker+Valid, 2862 SdHoareTripleChecker+Invalid, 2465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:02,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3356 Valid, 2862 Invalid, 2465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2430 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:08:02,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:08:02,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:08:02,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3496364838070058) internal successors, (2042), 1541 states have internal predecessors, (2042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:02,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2042 transitions. [2023-12-25 11:08:02,511 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2042 transitions. Word has length 114 [2023-12-25 11:08:02,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:02,512 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2042 transitions. [2023-12-25 11:08:02,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:02,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2042 transitions. [2023-12-25 11:08:02,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:08:02,513 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:02,513 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:08:02,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (107)] Ended with exit code 0 [2023-12-25 11:08:02,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 107 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:02,720 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:08:02,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:02,720 INFO L85 PathProgramCache]: Analyzing trace with hash 507897430, now seen corresponding path program 1 times [2023-12-25 11:08:02,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:02,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [265499154] [2023-12-25 11:08:02,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:02,721 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:02,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:02,722 INFO L229 MonitoredProcess]: Starting monitored process 108 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:08:02,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (108)] Waiting until timeout for monitored process [2023-12-25 11:08:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:03,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:03,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:03,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:08:03,616 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:03,616 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:03,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [265499154] [2023-12-25 11:08:03,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [265499154] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:03,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:03,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:03,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385001228] [2023-12-25 11:08:03,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:03,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:03,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:03,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:03,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:03,617 INFO L87 Difference]: Start difference. First operand 1542 states and 2042 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:06,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:06,672 INFO L93 Difference]: Finished difference Result 1889 states and 2560 transitions. [2023-12-25 11:08:06,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:06,673 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:08:06,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:06,675 INFO L225 Difference]: With dead ends: 1889 [2023-12-25 11:08:06,675 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:08:06,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:08:06,676 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 3357 mSDsluCounter, 2075 mSDsCounter, 0 mSdLazyCounter, 2422 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3357 SdHoareTripleChecker+Valid, 2862 SdHoareTripleChecker+Invalid, 2457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:06,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3357 Valid, 2862 Invalid, 2457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2422 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:08:06,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:08:06,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:08:06,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.348314606741573) internal successors, (2040), 1541 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:06,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2040 transitions. [2023-12-25 11:08:06,689 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2040 transitions. Word has length 114 [2023-12-25 11:08:06,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:06,689 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2040 transitions. [2023-12-25 11:08:06,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:06,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2040 transitions. [2023-12-25 11:08:06,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:08:06,691 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:06,691 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:08:06,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (108)] Forceful destruction successful, exit code 0 [2023-12-25 11:08:06,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 108 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:06,896 INFO L420 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:08:06,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:06,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1233359702, now seen corresponding path program 1 times [2023-12-25 11:08:06,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:06,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1744367022] [2023-12-25 11:08:06,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:06,897 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:06,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:06,899 INFO L229 MonitoredProcess]: Starting monitored process 109 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:08:06,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (109)] Waiting until timeout for monitored process [2023-12-25 11:08:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:07,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:07,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:07,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:08:07,783 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:07,783 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:07,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1744367022] [2023-12-25 11:08:07,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1744367022] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:07,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:07,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:07,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875563433] [2023-12-25 11:08:07,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:07,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:07,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:07,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:07,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:07,784 INFO L87 Difference]: Start difference. First operand 1542 states and 2040 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:10,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:10,533 INFO L93 Difference]: Finished difference Result 1898 states and 2570 transitions. [2023-12-25 11:08:10,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:10,533 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:08:10,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:10,535 INFO L225 Difference]: With dead ends: 1898 [2023-12-25 11:08:10,535 INFO L226 Difference]: Without dead ends: 1708 [2023-12-25 11:08:10,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:08:10,536 INFO L413 NwaCegarLoop]: 789 mSDtfsCounter, 3315 mSDsluCounter, 2184 mSDsCounter, 0 mSdLazyCounter, 2241 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3315 SdHoareTripleChecker+Valid, 2973 SdHoareTripleChecker+Invalid, 2261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:10,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3315 Valid, 2973 Invalid, 2261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 2241 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 11:08:10,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2023-12-25 11:08:10,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1542. [2023-12-25 11:08:10,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3469927296761401) internal successors, (2038), 1541 states have internal predecessors, (2038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:10,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2038 transitions. [2023-12-25 11:08:10,549 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2038 transitions. Word has length 114 [2023-12-25 11:08:10,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:10,549 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2038 transitions. [2023-12-25 11:08:10,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:10,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2038 transitions. [2023-12-25 11:08:10,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:08:10,550 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:10,550 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:08:10,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (109)] Ended with exit code 0 [2023-12-25 11:08:10,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 109 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:10,755 INFO L420 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:08:10,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:10,755 INFO L85 PathProgramCache]: Analyzing trace with hash -678837400, now seen corresponding path program 1 times [2023-12-25 11:08:10,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:10,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022632262] [2023-12-25 11:08:10,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:10,756 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:10,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:10,757 INFO L229 MonitoredProcess]: Starting monitored process 110 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:08:10,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (110)] Waiting until timeout for monitored process [2023-12-25 11:08:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:11,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:11,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:11,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:08:11,694 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:11,694 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:11,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022632262] [2023-12-25 11:08:11,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1022632262] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:11,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:11,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:11,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560698876] [2023-12-25 11:08:11,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:11,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:11,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:11,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:11,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:11,696 INFO L87 Difference]: Start difference. First operand 1542 states and 2038 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:14,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:14,699 INFO L93 Difference]: Finished difference Result 1889 states and 2556 transitions. [2023-12-25 11:08:14,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:14,700 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:08:14,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:14,701 INFO L225 Difference]: With dead ends: 1889 [2023-12-25 11:08:14,701 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:08:14,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:08:14,702 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 3352 mSDsluCounter, 2075 mSDsCounter, 0 mSdLazyCounter, 2415 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3352 SdHoareTripleChecker+Valid, 2862 SdHoareTripleChecker+Invalid, 2450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:14,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3352 Valid, 2862 Invalid, 2450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2415 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:08:14,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:08:14,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:08:14,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3456708526107073) internal successors, (2036), 1541 states have internal predecessors, (2036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:14,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2036 transitions. [2023-12-25 11:08:14,712 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2036 transitions. Word has length 114 [2023-12-25 11:08:14,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:14,713 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2036 transitions. [2023-12-25 11:08:14,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:14,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2036 transitions. [2023-12-25 11:08:14,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:08:14,714 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:14,714 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:08:14,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (110)] Forceful destruction successful, exit code 0 [2023-12-25 11:08:14,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 110 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:14,916 INFO L420 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:08:14,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:14,917 INFO L85 PathProgramCache]: Analyzing trace with hash -168278721, now seen corresponding path program 1 times [2023-12-25 11:08:14,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:14,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [828779910] [2023-12-25 11:08:14,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:14,917 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:14,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:14,918 INFO L229 MonitoredProcess]: Starting monitored process 111 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:08:14,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (111)] Waiting until timeout for monitored process [2023-12-25 11:08:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:15,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:15,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:15,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:08:15,822 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:15,822 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:15,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [828779910] [2023-12-25 11:08:15,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [828779910] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:15,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:15,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:15,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695322314] [2023-12-25 11:08:15,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:15,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:15,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:15,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:15,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:15,823 INFO L87 Difference]: Start difference. First operand 1542 states and 2036 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:18,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:18,885 INFO L93 Difference]: Finished difference Result 1885 states and 2549 transitions. [2023-12-25 11:08:18,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:18,885 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:08:18,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:18,887 INFO L225 Difference]: With dead ends: 1885 [2023-12-25 11:08:18,887 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:08:18,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:08:18,889 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 3347 mSDsluCounter, 2076 mSDsCounter, 0 mSdLazyCounter, 2415 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3347 SdHoareTripleChecker+Valid, 2862 SdHoareTripleChecker+Invalid, 2450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:18,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3347 Valid, 2862 Invalid, 2450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2415 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:08:18,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:08:18,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:08:18,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3443489755452742) internal successors, (2034), 1541 states have internal predecessors, (2034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:18,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2034 transitions. [2023-12-25 11:08:18,901 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2034 transitions. Word has length 114 [2023-12-25 11:08:18,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:18,902 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2034 transitions. [2023-12-25 11:08:18,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:18,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2034 transitions. [2023-12-25 11:08:18,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:08:18,903 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:18,903 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:08:18,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (111)] Ended with exit code 0 [2023-12-25 11:08:19,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 111 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:19,110 INFO L420 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:08:19,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:19,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1433973975, now seen corresponding path program 1 times [2023-12-25 11:08:19,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:19,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [419617302] [2023-12-25 11:08:19,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:19,111 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:19,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:19,112 INFO L229 MonitoredProcess]: Starting monitored process 112 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:08:19,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (112)] Waiting until timeout for monitored process [2023-12-25 11:08:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:19,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:19,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:19,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:08:19,948 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:19,948 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:19,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [419617302] [2023-12-25 11:08:19,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [419617302] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:19,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:19,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:19,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126528036] [2023-12-25 11:08:19,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:19,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:19,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:19,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:19,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:19,950 INFO L87 Difference]: Start difference. First operand 1542 states and 2034 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:23,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:23,211 INFO L93 Difference]: Finished difference Result 1889 states and 2552 transitions. [2023-12-25 11:08:23,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:23,211 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:08:23,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:23,213 INFO L225 Difference]: With dead ends: 1889 [2023-12-25 11:08:23,213 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:08:23,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:08:23,213 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 3348 mSDsluCounter, 2075 mSDsCounter, 0 mSdLazyCounter, 2407 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3348 SdHoareTripleChecker+Valid, 2862 SdHoareTripleChecker+Invalid, 2442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:23,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3348 Valid, 2862 Invalid, 2442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2407 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-25 11:08:23,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:08:23,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:08:23,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3430270984798414) internal successors, (2032), 1541 states have internal predecessors, (2032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:23,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2032 transitions. [2023-12-25 11:08:23,224 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2032 transitions. Word has length 114 [2023-12-25 11:08:23,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:23,224 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2032 transitions. [2023-12-25 11:08:23,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:23,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2032 transitions. [2023-12-25 11:08:23,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:08:23,225 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:23,225 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:08:23,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (112)] Forceful destruction successful, exit code 0 [2023-12-25 11:08:23,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 112 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:23,429 INFO L420 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:08:23,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:23,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1390479784, now seen corresponding path program 1 times [2023-12-25 11:08:23,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:23,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [201268088] [2023-12-25 11:08:23,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:23,430 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:23,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:23,431 INFO L229 MonitoredProcess]: Starting monitored process 113 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:08:23,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (113)] Waiting until timeout for monitored process [2023-12-25 11:08:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:23,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:23,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:24,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:08:24,303 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:24,303 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:24,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [201268088] [2023-12-25 11:08:24,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [201268088] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:24,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:24,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:24,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422662108] [2023-12-25 11:08:24,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:24,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:24,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:24,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:24,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:24,304 INFO L87 Difference]: Start difference. First operand 1542 states and 2032 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:27,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:27,153 INFO L93 Difference]: Finished difference Result 1885 states and 2545 transitions. [2023-12-25 11:08:27,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:27,154 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:08:27,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:27,155 INFO L225 Difference]: With dead ends: 1885 [2023-12-25 11:08:27,155 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:08:27,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:08:27,156 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 3343 mSDsluCounter, 2076 mSDsCounter, 0 mSdLazyCounter, 2407 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3343 SdHoareTripleChecker+Valid, 2862 SdHoareTripleChecker+Invalid, 2442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:27,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3343 Valid, 2862 Invalid, 2442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2407 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:08:27,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:08:27,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:08:27,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3417052214144085) internal successors, (2030), 1541 states have internal predecessors, (2030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:27,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2030 transitions. [2023-12-25 11:08:27,166 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2030 transitions. Word has length 114 [2023-12-25 11:08:27,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:27,167 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2030 transitions. [2023-12-25 11:08:27,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:27,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2030 transitions. [2023-12-25 11:08:27,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:08:27,168 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:27,168 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:08:27,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (113)] Forceful destruction successful, exit code 0 [2023-12-25 11:08:27,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 113 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:27,369 INFO L420 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:08:27,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:27,369 INFO L85 PathProgramCache]: Analyzing trace with hash 124901704, now seen corresponding path program 1 times [2023-12-25 11:08:27,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:27,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [796493280] [2023-12-25 11:08:27,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:27,370 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:27,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:27,371 INFO L229 MonitoredProcess]: Starting monitored process 114 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:08:27,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (114)] Waiting until timeout for monitored process [2023-12-25 11:08:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:27,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:27,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:28,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:08:28,284 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:28,284 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:28,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [796493280] [2023-12-25 11:08:28,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [796493280] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:28,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:28,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:28,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87716487] [2023-12-25 11:08:28,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:28,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:28,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:28,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:28,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:28,285 INFO L87 Difference]: Start difference. First operand 1542 states and 2030 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:31,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:31,025 INFO L93 Difference]: Finished difference Result 1889 states and 2548 transitions. [2023-12-25 11:08:31,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:31,025 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:08:31,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:31,027 INFO L225 Difference]: With dead ends: 1889 [2023-12-25 11:08:31,027 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:08:31,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:08:31,027 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 4597 mSDsluCounter, 2075 mSDsCounter, 0 mSdLazyCounter, 2399 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4597 SdHoareTripleChecker+Valid, 2862 SdHoareTripleChecker+Invalid, 2434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:31,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4597 Valid, 2862 Invalid, 2434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2399 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 11:08:31,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:08:31,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:08:31,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3403833443489754) internal successors, (2028), 1541 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:31,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2028 transitions. [2023-12-25 11:08:31,038 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2028 transitions. Word has length 114 [2023-12-25 11:08:31,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:31,038 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2028 transitions. [2023-12-25 11:08:31,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:31,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2028 transitions. [2023-12-25 11:08:31,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:08:31,039 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:31,039 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:08:31,044 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (114)] Ended with exit code 0 [2023-12-25 11:08:31,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 114 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:31,244 INFO L420 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:08:31,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:31,244 INFO L85 PathProgramCache]: Analyzing trace with hash 2039173860, now seen corresponding path program 1 times [2023-12-25 11:08:31,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:31,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [448840017] [2023-12-25 11:08:31,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:31,245 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:31,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:31,246 INFO L229 MonitoredProcess]: Starting monitored process 115 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:08:31,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (115)] Waiting until timeout for monitored process [2023-12-25 11:08:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:31,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:31,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:32,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:08:32,136 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:32,136 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:32,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [448840017] [2023-12-25 11:08:32,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [448840017] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:32,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:32,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:32,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642932070] [2023-12-25 11:08:32,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:32,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:32,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:32,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:32,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:32,138 INFO L87 Difference]: Start difference. First operand 1542 states and 2028 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:34,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:34,924 INFO L93 Difference]: Finished difference Result 1885 states and 2541 transitions. [2023-12-25 11:08:34,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:34,925 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2023-12-25 11:08:34,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:34,926 INFO L225 Difference]: With dead ends: 1885 [2023-12-25 11:08:34,927 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:08:34,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:08:34,927 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 3339 mSDsluCounter, 2076 mSDsCounter, 0 mSdLazyCounter, 2399 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3339 SdHoareTripleChecker+Valid, 2862 SdHoareTripleChecker+Invalid, 2434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:34,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3339 Valid, 2862 Invalid, 2434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2399 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 11:08:34,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:08:34,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:08:34,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3390614672835426) internal successors, (2026), 1541 states have internal predecessors, (2026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:34,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2026 transitions. [2023-12-25 11:08:34,938 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2026 transitions. Word has length 114 [2023-12-25 11:08:34,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:34,939 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2026 transitions. [2023-12-25 11:08:34,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:34,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2026 transitions. [2023-12-25 11:08:34,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:08:34,940 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:34,940 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:08:34,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (115)] Forceful destruction successful, exit code 0 [2023-12-25 11:08:35,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 115 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:35,148 INFO L420 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:08:35,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:35,149 INFO L85 PathProgramCache]: Analyzing trace with hash -983539985, now seen corresponding path program 1 times [2023-12-25 11:08:35,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:35,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708961543] [2023-12-25 11:08:35,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:35,149 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:35,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:35,150 INFO L229 MonitoredProcess]: Starting monitored process 116 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:08:35,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (116)] Waiting until timeout for monitored process [2023-12-25 11:08:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:35,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:35,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:36,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:08:36,036 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:36,036 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:36,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [708961543] [2023-12-25 11:08:36,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [708961543] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:36,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:36,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:36,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731480588] [2023-12-25 11:08:36,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:36,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:36,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:36,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:36,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:36,038 INFO L87 Difference]: Start difference. First operand 1542 states and 2026 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:38,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:38,650 INFO L93 Difference]: Finished difference Result 1882 states and 2536 transitions. [2023-12-25 11:08:38,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:38,650 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2023-12-25 11:08:38,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:38,652 INFO L225 Difference]: With dead ends: 1882 [2023-12-25 11:08:38,652 INFO L226 Difference]: Without dead ends: 1715 [2023-12-25 11:08:38,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:08:38,653 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 4603 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 2396 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4603 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:38,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4603 Valid, 2863 Invalid, 2431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2396 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-25 11:08:38,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2023-12-25 11:08:38,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1542. [2023-12-25 11:08:38,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3384005287508263) internal successors, (2025), 1541 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:38,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2025 transitions. [2023-12-25 11:08:38,662 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2025 transitions. Word has length 115 [2023-12-25 11:08:38,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:38,662 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2025 transitions. [2023-12-25 11:08:38,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:38,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2025 transitions. [2023-12-25 11:08:38,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:08:38,663 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:38,664 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:08:38,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (116)] Ended with exit code 0 [2023-12-25 11:08:38,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 116 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:38,867 INFO L420 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:08:38,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:38,868 INFO L85 PathProgramCache]: Analyzing trace with hash -957824337, now seen corresponding path program 1 times [2023-12-25 11:08:38,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:38,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [803074184] [2023-12-25 11:08:38,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:38,868 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:38,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:38,869 INFO L229 MonitoredProcess]: Starting monitored process 117 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:08:38,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (117)] Waiting until timeout for monitored process [2023-12-25 11:08:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:39,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:39,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:39,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:08:39,734 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:39,734 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:39,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [803074184] [2023-12-25 11:08:39,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [803074184] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:39,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:39,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:39,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45000861] [2023-12-25 11:08:39,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:39,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:39,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:39,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:39,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:39,735 INFO L87 Difference]: Start difference. First operand 1542 states and 2025 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:42,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:42,621 INFO L93 Difference]: Finished difference Result 1846 states and 2479 transitions. [2023-12-25 11:08:42,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:42,621 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2023-12-25 11:08:42,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:42,623 INFO L225 Difference]: With dead ends: 1846 [2023-12-25 11:08:42,623 INFO L226 Difference]: Without dead ends: 1680 [2023-12-25 11:08:42,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:08:42,624 INFO L413 NwaCegarLoop]: 778 mSDtfsCounter, 3333 mSDsluCounter, 2062 mSDsCounter, 0 mSdLazyCounter, 2382 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3333 SdHoareTripleChecker+Valid, 2840 SdHoareTripleChecker+Invalid, 2417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:42,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3333 Valid, 2840 Invalid, 2417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2382 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:08:42,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2023-12-25 11:08:42,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 1545. [2023-12-25 11:08:42,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1516 states have (on average 1.3383905013192612) internal successors, (2029), 1544 states have internal predecessors, (2029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:42,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2029 transitions. [2023-12-25 11:08:42,634 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2029 transitions. Word has length 115 [2023-12-25 11:08:42,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:42,634 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 2029 transitions. [2023-12-25 11:08:42,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:42,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2029 transitions. [2023-12-25 11:08:42,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:08:42,635 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:42,635 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:08:42,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (117)] Forceful destruction successful, exit code 0 [2023-12-25 11:08:42,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 117 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:42,839 INFO L420 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:08:42,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:42,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1483503706, now seen corresponding path program 1 times [2023-12-25 11:08:42,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:42,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [460798480] [2023-12-25 11:08:42,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:42,840 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:42,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:42,841 INFO L229 MonitoredProcess]: Starting monitored process 118 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:08:42,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (118)] Waiting until timeout for monitored process [2023-12-25 11:08:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:43,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:43,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:43,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:08:43,603 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:43,603 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:43,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [460798480] [2023-12-25 11:08:43,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [460798480] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:43,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:43,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:43,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085330698] [2023-12-25 11:08:43,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:43,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:43,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:43,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:43,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:43,604 INFO L87 Difference]: Start difference. First operand 1545 states and 2029 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:46,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:46,280 INFO L93 Difference]: Finished difference Result 1883 states and 2536 transitions. [2023-12-25 11:08:46,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:46,280 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2023-12-25 11:08:46,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:46,282 INFO L225 Difference]: With dead ends: 1883 [2023-12-25 11:08:46,282 INFO L226 Difference]: Without dead ends: 1716 [2023-12-25 11:08:46,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:08:46,283 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 4107 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 2392 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4107 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:46,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4107 Valid, 2863 Invalid, 2427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2392 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-25 11:08:46,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2023-12-25 11:08:46,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1545. [2023-12-25 11:08:46,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1516 states have (on average 1.3377308707124012) internal successors, (2028), 1544 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:46,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2028 transitions. [2023-12-25 11:08:46,308 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2028 transitions. Word has length 115 [2023-12-25 11:08:46,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:46,308 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 2028 transitions. [2023-12-25 11:08:46,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:46,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2028 transitions. [2023-12-25 11:08:46,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:08:46,309 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:46,309 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:08:46,315 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (118)] Ended with exit code 0 [2023-12-25 11:08:46,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 118 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:46,513 INFO L420 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:08:46,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:46,514 INFO L85 PathProgramCache]: Analyzing trace with hash -71680247, now seen corresponding path program 1 times [2023-12-25 11:08:46,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:46,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955915439] [2023-12-25 11:08:46,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:46,514 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:46,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:46,515 INFO L229 MonitoredProcess]: Starting monitored process 119 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:08:46,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (119)] Waiting until timeout for monitored process [2023-12-25 11:08:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:46,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:46,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:47,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:08:47,348 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:47,348 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:47,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [955915439] [2023-12-25 11:08:47,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [955915439] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:47,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:47,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:47,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586754601] [2023-12-25 11:08:47,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:47,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:47,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:47,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:47,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:47,349 INFO L87 Difference]: Start difference. First operand 1545 states and 2028 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:50,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:50,253 INFO L93 Difference]: Finished difference Result 1883 states and 2535 transitions. [2023-12-25 11:08:50,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:50,253 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2023-12-25 11:08:50,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:50,254 INFO L225 Difference]: With dead ends: 1883 [2023-12-25 11:08:50,255 INFO L226 Difference]: Without dead ends: 1716 [2023-12-25 11:08:50,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:08:50,255 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 3333 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 2388 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3333 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:50,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3333 Valid, 2863 Invalid, 2423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2388 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:08:50,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2023-12-25 11:08:50,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1545. [2023-12-25 11:08:50,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1516 states have (on average 1.337071240105541) internal successors, (2027), 1544 states have internal predecessors, (2027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:50,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2027 transitions. [2023-12-25 11:08:50,265 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2027 transitions. Word has length 115 [2023-12-25 11:08:50,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:50,265 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 2027 transitions. [2023-12-25 11:08:50,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:50,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2027 transitions. [2023-12-25 11:08:50,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:08:50,266 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:50,266 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:08:50,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (119)] Ended with exit code 0 [2023-12-25 11:08:50,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 119 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:50,470 INFO L420 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:08:50,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:50,470 INFO L85 PathProgramCache]: Analyzing trace with hash -664587113, now seen corresponding path program 1 times [2023-12-25 11:08:50,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:50,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1228189532] [2023-12-25 11:08:50,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:50,471 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:50,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:50,472 INFO L229 MonitoredProcess]: Starting monitored process 120 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:08:50,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (120)] Waiting until timeout for monitored process [2023-12-25 11:08:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:50,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:50,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:51,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:08:51,352 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:51,352 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:51,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1228189532] [2023-12-25 11:08:51,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1228189532] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:51,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:51,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:51,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720949211] [2023-12-25 11:08:51,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:51,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:51,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:51,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:51,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:51,353 INFO L87 Difference]: Start difference. First operand 1545 states and 2027 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:54,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:54,339 INFO L93 Difference]: Finished difference Result 1883 states and 2534 transitions. [2023-12-25 11:08:54,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:54,340 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2023-12-25 11:08:54,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:54,341 INFO L225 Difference]: With dead ends: 1883 [2023-12-25 11:08:54,341 INFO L226 Difference]: Without dead ends: 1716 [2023-12-25 11:08:54,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:08:54,342 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 3331 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 2384 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3331 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:54,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3331 Valid, 2863 Invalid, 2419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2384 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:08:54,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2023-12-25 11:08:54,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1545. [2023-12-25 11:08:54,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1516 states have (on average 1.3364116094986807) internal successors, (2026), 1544 states have internal predecessors, (2026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:54,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2026 transitions. [2023-12-25 11:08:54,352 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2026 transitions. Word has length 115 [2023-12-25 11:08:54,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:54,352 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 2026 transitions. [2023-12-25 11:08:54,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:54,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2026 transitions. [2023-12-25 11:08:54,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:08:54,353 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:54,353 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:08:54,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (120)] Forceful destruction successful, exit code 0 [2023-12-25 11:08:54,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 120 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:54,554 INFO L420 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:08:54,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:54,554 INFO L85 PathProgramCache]: Analyzing trace with hash 482379468, now seen corresponding path program 1 times [2023-12-25 11:08:54,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:54,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [278670242] [2023-12-25 11:08:54,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:54,555 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:54,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:54,556 INFO L229 MonitoredProcess]: Starting monitored process 121 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:08:54,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (121)] Waiting until timeout for monitored process [2023-12-25 11:08:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:54,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:54,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:55,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:08:55,391 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:55,391 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:55,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [278670242] [2023-12-25 11:08:55,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [278670242] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:55,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:55,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:55,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123562279] [2023-12-25 11:08:55,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:55,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:55,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:55,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:55,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:55,392 INFO L87 Difference]: Start difference. First operand 1545 states and 2026 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:58,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:58,130 INFO L93 Difference]: Finished difference Result 1882 states and 2532 transitions. [2023-12-25 11:08:58,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:58,130 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2023-12-25 11:08:58,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:58,132 INFO L225 Difference]: With dead ends: 1882 [2023-12-25 11:08:58,132 INFO L226 Difference]: Without dead ends: 1716 [2023-12-25 11:08:58,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:08:58,132 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 4583 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 2380 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4583 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:58,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4583 Valid, 2863 Invalid, 2415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2380 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 11:08:58,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2023-12-25 11:08:58,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1545. [2023-12-25 11:08:58,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1516 states have (on average 1.3357519788918206) internal successors, (2025), 1544 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:58,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2025 transitions. [2023-12-25 11:08:58,146 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2025 transitions. Word has length 115 [2023-12-25 11:08:58,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:58,146 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 2025 transitions. [2023-12-25 11:08:58,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:58,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2025 transitions. [2023-12-25 11:08:58,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:08:58,147 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:58,147 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:08:58,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (121)] Ended with exit code 0 [2023-12-25 11:08:58,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 121 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:58,351 INFO L420 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:08:58,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:58,351 INFO L85 PathProgramCache]: Analyzing trace with hash 532805715, now seen corresponding path program 1 times [2023-12-25 11:08:58,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:58,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1322286566] [2023-12-25 11:08:58,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:58,352 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:08:58,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:58,353 INFO L229 MonitoredProcess]: Starting monitored process 122 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:08:58,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (122)] Waiting until timeout for monitored process [2023-12-25 11:08:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:58,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:58,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:59,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:08:59,128 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:59,128 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:59,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1322286566] [2023-12-25 11:08:59,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1322286566] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:59,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:59,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:59,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488025553] [2023-12-25 11:08:59,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:59,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:59,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:59,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:59,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:59,129 INFO L87 Difference]: Start difference. First operand 1545 states and 2025 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:01,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:09:01,878 INFO L93 Difference]: Finished difference Result 1882 states and 2531 transitions. [2023-12-25 11:09:01,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:09:01,878 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2023-12-25 11:09:01,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:09:01,880 INFO L225 Difference]: With dead ends: 1882 [2023-12-25 11:09:01,880 INFO L226 Difference]: Without dead ends: 1716 [2023-12-25 11:09:01,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:09:01,880 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 4580 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 2376 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4580 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:09:01,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4580 Valid, 2863 Invalid, 2411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2376 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 11:09:01,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2023-12-25 11:09:01,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1545. [2023-12-25 11:09:01,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1516 states have (on average 1.3350923482849604) internal successors, (2024), 1544 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:01,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2024 transitions. [2023-12-25 11:09:01,891 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2024 transitions. Word has length 115 [2023-12-25 11:09:01,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:09:01,891 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 2024 transitions. [2023-12-25 11:09:01,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:01,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2024 transitions. [2023-12-25 11:09:01,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:09:01,892 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:09:01,892 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:09:01,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (122)] Ended with exit code 0 [2023-12-25 11:09:02,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 122 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:09:02,096 INFO L420 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:09:02,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:09:02,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1130365570, now seen corresponding path program 1 times [2023-12-25 11:09:02,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:09:02,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [861694484] [2023-12-25 11:09:02,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:09:02,097 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:09:02,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:09:02,098 INFO L229 MonitoredProcess]: Starting monitored process 123 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:09:02,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (123)] Waiting until timeout for monitored process [2023-12-25 11:09:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:09:02,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:09:02,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:09:03,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:09:03,013 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:09:03,013 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:09:03,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [861694484] [2023-12-25 11:09:03,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [861694484] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:09:03,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:09:03,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:09:03,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535181137] [2023-12-25 11:09:03,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:09:03,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:09:03,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:09:03,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:09:03,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:09:03,014 INFO L87 Difference]: Start difference. First operand 1545 states and 2024 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:05,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:09:05,682 INFO L93 Difference]: Finished difference Result 1883 states and 2531 transitions. [2023-12-25 11:09:05,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:09:05,683 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2023-12-25 11:09:05,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:09:05,684 INFO L225 Difference]: With dead ends: 1883 [2023-12-25 11:09:05,684 INFO L226 Difference]: Without dead ends: 1716 [2023-12-25 11:09:05,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:09:05,685 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 4585 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 2372 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4585 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-25 11:09:05,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4585 Valid, 2863 Invalid, 2407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2372 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-25 11:09:05,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2023-12-25 11:09:05,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1545. [2023-12-25 11:09:05,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1516 states have (on average 1.3344327176781003) internal successors, (2023), 1544 states have internal predecessors, (2023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:05,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2023 transitions. [2023-12-25 11:09:05,695 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2023 transitions. Word has length 115 [2023-12-25 11:09:05,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:09:05,695 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 2023 transitions. [2023-12-25 11:09:05,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:05,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2023 transitions. [2023-12-25 11:09:05,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:09:05,696 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:09:05,696 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:09:05,700 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (123)] Ended with exit code 0 [2023-12-25 11:09:05,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 123 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:09:05,899 INFO L420 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:09:05,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:09:05,900 INFO L85 PathProgramCache]: Analyzing trace with hash 2012344705, now seen corresponding path program 1 times [2023-12-25 11:09:05,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:09:05,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1723685345] [2023-12-25 11:09:05,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:09:05,901 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:09:05,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:09:05,902 INFO L229 MonitoredProcess]: Starting monitored process 124 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:09:05,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (124)] Waiting until timeout for monitored process [2023-12-25 11:09:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:09:06,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:09:06,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:09:06,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:09:06,803 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:09:06,803 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:09:06,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1723685345] [2023-12-25 11:09:06,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1723685345] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:09:06,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:09:06,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:09:06,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976006048] [2023-12-25 11:09:06,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:09:06,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:09:06,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:09:06,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:09:06,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:09:06,804 INFO L87 Difference]: Start difference. First operand 1545 states and 2023 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:09,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:09:09,713 INFO L93 Difference]: Finished difference Result 1882 states and 2529 transitions. [2023-12-25 11:09:09,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:09:09,714 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2023-12-25 11:09:09,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:09:09,715 INFO L225 Difference]: With dead ends: 1882 [2023-12-25 11:09:09,715 INFO L226 Difference]: Without dead ends: 1716 [2023-12-25 11:09:09,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:09:09,716 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 4580 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 2368 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4580 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:09:09,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4580 Valid, 2863 Invalid, 2403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2368 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:09:09,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2023-12-25 11:09:09,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1545. [2023-12-25 11:09:09,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1516 states have (on average 1.33377308707124) internal successors, (2022), 1544 states have internal predecessors, (2022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:09,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2022 transitions. [2023-12-25 11:09:09,726 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2022 transitions. Word has length 115 [2023-12-25 11:09:09,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:09:09,726 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 2022 transitions. [2023-12-25 11:09:09,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:09,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2022 transitions. [2023-12-25 11:09:09,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:09:09,727 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:09:09,727 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:09:09,731 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (124)] Ended with exit code 0 [2023-12-25 11:09:09,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 124 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:09:09,937 INFO L420 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:09:09,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:09:09,937 INFO L85 PathProgramCache]: Analyzing trace with hash 13589019, now seen corresponding path program 1 times [2023-12-25 11:09:09,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:09:09,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022931308] [2023-12-25 11:09:09,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:09:09,938 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:09:09,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:09:09,939 INFO L229 MonitoredProcess]: Starting monitored process 125 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:09:09,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (125)] Waiting until timeout for monitored process [2023-12-25 11:09:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:09:10,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:09:10,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:09:10,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:09:10,845 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:09:10,845 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:09:10,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022931308] [2023-12-25 11:09:10,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1022931308] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:09:10,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:09:10,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:09:10,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080201462] [2023-12-25 11:09:10,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:09:10,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:09:10,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:09:10,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:09:10,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:09:10,846 INFO L87 Difference]: Start difference. First operand 1545 states and 2022 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:13,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:09:13,773 INFO L93 Difference]: Finished difference Result 1882 states and 2528 transitions. [2023-12-25 11:09:13,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:09:13,773 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2023-12-25 11:09:13,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:09:13,774 INFO L225 Difference]: With dead ends: 1882 [2023-12-25 11:09:13,775 INFO L226 Difference]: Without dead ends: 1716 [2023-12-25 11:09:13,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:09:13,775 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 3320 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 2364 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3320 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:09:13,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3320 Valid, 2863 Invalid, 2399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2364 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:09:13,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2023-12-25 11:09:13,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1545. [2023-12-25 11:09:13,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1516 states have (on average 1.3331134564643798) internal successors, (2021), 1544 states have internal predecessors, (2021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:13,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2021 transitions. [2023-12-25 11:09:13,785 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2021 transitions. Word has length 115 [2023-12-25 11:09:13,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:09:13,785 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 2021 transitions. [2023-12-25 11:09:13,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:13,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2021 transitions. [2023-12-25 11:09:13,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:09:13,786 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:09:13,786 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:09:13,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (125)] Ended with exit code 0 [2023-12-25 11:09:13,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 125 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:09:13,987 INFO L420 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:09:13,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:09:13,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1509743269, now seen corresponding path program 1 times [2023-12-25 11:09:13,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:09:13,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1475117985] [2023-12-25 11:09:13,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:09:13,988 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:09:13,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:09:13,990 INFO L229 MonitoredProcess]: Starting monitored process 126 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:09:13,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (126)] Waiting until timeout for monitored process [2023-12-25 11:09:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:09:14,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:09:14,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:09:14,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:09:14,849 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:09:14,849 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:09:14,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1475117985] [2023-12-25 11:09:14,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1475117985] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:09:14,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:09:14,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:09:14,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026805668] [2023-12-25 11:09:14,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:09:14,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:09:14,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:09:14,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:09:14,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:09:14,850 INFO L87 Difference]: Start difference. First operand 1545 states and 2021 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:17,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:09:17,747 INFO L93 Difference]: Finished difference Result 1884 states and 2529 transitions. [2023-12-25 11:09:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:09:17,747 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2023-12-25 11:09:17,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:09:17,749 INFO L225 Difference]: With dead ends: 1884 [2023-12-25 11:09:17,749 INFO L226 Difference]: Without dead ends: 1716 [2023-12-25 11:09:17,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:09:17,749 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 4089 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 2360 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4089 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:09:17,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4089 Valid, 2863 Invalid, 2395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2360 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:09:17,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2023-12-25 11:09:17,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1545. [2023-12-25 11:09:17,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1516 states have (on average 1.3317941952506596) internal successors, (2019), 1544 states have internal predecessors, (2019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:17,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2019 transitions. [2023-12-25 11:09:17,760 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2019 transitions. Word has length 115 [2023-12-25 11:09:17,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:09:17,761 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 2019 transitions. [2023-12-25 11:09:17,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:17,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2019 transitions. [2023-12-25 11:09:17,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:09:17,762 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:09:17,762 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:09:17,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (126)] Forceful destruction successful, exit code 0 [2023-12-25 11:09:17,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 126 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:09:17,962 INFO L420 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:09:17,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:09:17,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1884924460, now seen corresponding path program 1 times [2023-12-25 11:09:17,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:09:17,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [24793833] [2023-12-25 11:09:17,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:09:17,963 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:09:17,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:09:17,964 INFO L229 MonitoredProcess]: Starting monitored process 127 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:09:17,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (127)] Waiting until timeout for monitored process [2023-12-25 11:09:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:09:18,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:09:18,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:09:18,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:09:18,854 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:09:18,854 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:09:18,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [24793833] [2023-12-25 11:09:18,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [24793833] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:09:18,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:09:18,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:09:18,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693114349] [2023-12-25 11:09:18,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:09:18,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:09:18,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:09:18,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:09:18,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:09:18,855 INFO L87 Difference]: Start difference. First operand 1545 states and 2019 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:21,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:09:21,910 INFO L93 Difference]: Finished difference Result 1882 states and 2525 transitions. [2023-12-25 11:09:21,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:09:21,911 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2023-12-25 11:09:21,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:09:21,912 INFO L225 Difference]: With dead ends: 1882 [2023-12-25 11:09:21,912 INFO L226 Difference]: Without dead ends: 1716 [2023-12-25 11:09:21,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:09:21,913 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 3316 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 2356 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3316 SdHoareTripleChecker+Valid, 2863 SdHoareTripleChecker+Invalid, 2391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:09:21,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3316 Valid, 2863 Invalid, 2391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2356 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:09:21,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2023-12-25 11:09:21,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1545. [2023-12-25 11:09:21,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1516 states have (on average 1.3304749340369393) internal successors, (2017), 1544 states have internal predecessors, (2017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:21,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2017 transitions. [2023-12-25 11:09:21,924 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2017 transitions. Word has length 115 [2023-12-25 11:09:21,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:09:21,924 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 2017 transitions. [2023-12-25 11:09:21,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:21,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2017 transitions. [2023-12-25 11:09:21,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-25 11:09:21,926 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:09:21,926 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:09:21,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (127)] Forceful destruction successful, exit code 0 [2023-12-25 11:09:22,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 127 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:09:22,130 INFO L420 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:09:22,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:09:22,131 INFO L85 PathProgramCache]: Analyzing trace with hash -700400539, now seen corresponding path program 1 times [2023-12-25 11:09:22,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:09:22,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [398128186] [2023-12-25 11:09:22,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:09:22,132 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:09:22,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:09:22,135 INFO L229 MonitoredProcess]: Starting monitored process 128 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:09:22,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (128)] Waiting until timeout for monitored process [2023-12-25 11:09:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:09:22,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-25 11:09:22,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:09:23,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:09:23,695 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:09:23,696 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:09:23,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [398128186] [2023-12-25 11:09:23,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [398128186] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:09:23,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:09:23,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-25 11:09:23,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367596063] [2023-12-25 11:09:23,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:09:23,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-25 11:09:23,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:09:23,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-25 11:09:23,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2023-12-25 11:09:23,697 INFO L87 Difference]: Start difference. First operand 1545 states and 2017 transitions. Second operand has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 13 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:24,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:09:24,618 INFO L93 Difference]: Finished difference Result 1711 states and 2267 transitions. [2023-12-25 11:09:24,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-25 11:09:24,618 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 13 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2023-12-25 11:09:24,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:09:24,619 INFO L225 Difference]: With dead ends: 1711 [2023-12-25 11:09:24,619 INFO L226 Difference]: Without dead ends: 1140 [2023-12-25 11:09:24,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2023-12-25 11:09:24,620 INFO L413 NwaCegarLoop]: 795 mSDtfsCounter, 821 mSDsluCounter, 4243 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 821 SdHoareTripleChecker+Valid, 5038 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:09:24,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [821 Valid, 5038 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 11:09:24,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2023-12-25 11:09:24,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 1140. [2023-12-25 11:09:24,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1140 states, 1118 states have (on average 1.3300536672629697) internal successors, (1487), 1139 states have internal predecessors, (1487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:24,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 1487 transitions. [2023-12-25 11:09:24,629 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 1487 transitions. Word has length 116 [2023-12-25 11:09:24,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:09:24,629 INFO L495 AbstractCegarLoop]: Abstraction has 1140 states and 1487 transitions. [2023-12-25 11:09:24,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 13 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:24,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1487 transitions. [2023-12-25 11:09:24,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-25 11:09:24,631 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:09:24,631 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:09:24,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (128)] Forceful destruction successful, exit code 0 [2023-12-25 11:09:24,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 128 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:09:24,843 INFO L420 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:09:24,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:09:24,843 INFO L85 PathProgramCache]: Analyzing trace with hash 736668301, now seen corresponding path program 1 times [2023-12-25 11:09:24,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:09:24,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772975543] [2023-12-25 11:09:24,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:09:24,844 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:09:24,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:09:24,847 INFO L229 MonitoredProcess]: Starting monitored process 129 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:09:24,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (129)] Waiting until timeout for monitored process [2023-12-25 11:09:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:09:25,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 11:09:25,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:09:25,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:09:25,769 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:09:25,769 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:09:25,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772975543] [2023-12-25 11:09:25,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1772975543] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:09:25,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:09:25,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-25 11:09:25,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786044533] [2023-12-25 11:09:25,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:09:25,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 11:09:25,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:09:25,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 11:09:25,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-12-25 11:09:25,771 INFO L87 Difference]: Start difference. First operand 1140 states and 1487 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 9 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:26,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:09:26,300 INFO L93 Difference]: Finished difference Result 1306 states and 1737 transitions. [2023-12-25 11:09:26,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 11:09:26,301 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 9 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2023-12-25 11:09:26,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:09:26,302 INFO L225 Difference]: With dead ends: 1306 [2023-12-25 11:09:26,302 INFO L226 Difference]: Without dead ends: 748 [2023-12-25 11:09:26,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2023-12-25 11:09:26,302 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 1123 mSDsluCounter, 1947 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1123 SdHoareTripleChecker+Valid, 2467 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 11:09:26,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1123 Valid, 2467 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 11:09:26,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2023-12-25 11:09:26,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 748. [2023-12-25 11:09:26,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 732 states have (on average 1.3333333333333333) internal successors, (976), 747 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:26,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 976 transitions. [2023-12-25 11:09:26,323 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 976 transitions. Word has length 116 [2023-12-25 11:09:26,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:09:26,324 INFO L495 AbstractCegarLoop]: Abstraction has 748 states and 976 transitions. [2023-12-25 11:09:26,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 9 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:26,324 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 976 transitions. [2023-12-25 11:09:26,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-25 11:09:26,325 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:09:26,325 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:09:26,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (129)] Forceful destruction successful, exit code 0 [2023-12-25 11:09:26,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 129 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:09:26,529 INFO L420 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:09:26,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:09:26,530 INFO L85 PathProgramCache]: Analyzing trace with hash -673900795, now seen corresponding path program 1 times [2023-12-25 11:09:26,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:09:26,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [120076174] [2023-12-25 11:09:26,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:09:26,531 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:09:26,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:09:26,532 INFO L229 MonitoredProcess]: Starting monitored process 130 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:09:26,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (130)] Waiting until timeout for monitored process [2023-12-25 11:09:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:09:26,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 53 conjunts are in the unsatisfiable core [2023-12-25 11:09:26,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:09:38,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:09:38,497 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:09:38,497 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:09:38,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [120076174] [2023-12-25 11:09:38,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [120076174] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:09:38,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:09:38,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2023-12-25 11:09:38,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867451453] [2023-12-25 11:09:38,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:09:38,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-12-25 11:09:38,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:09:38,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-12-25 11:09:38,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=1082, Unknown=0, NotChecked=0, Total=1332 [2023-12-25 11:09:38,499 INFO L87 Difference]: Start difference. First operand 748 states and 976 transitions. Second operand has 37 states, 37 states have (on average 3.135135135135135) internal successors, (116), 37 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:59,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:10:02,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:10:06,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:10:20,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:10:20,143 INFO L93 Difference]: Finished difference Result 976 states and 1300 transitions. [2023-12-25 11:10:20,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-25 11:10:20,143 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.135135135135135) internal successors, (116), 37 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2023-12-25 11:10:20,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:10:20,144 INFO L225 Difference]: With dead ends: 976 [2023-12-25 11:10:20,144 INFO L226 Difference]: Without dead ends: 777 [2023-12-25 11:10:20,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 582 ImplicationChecksByTransitivity, 14.4s TimeCoverageRelationStatistics Valid=495, Invalid=2261, Unknown=0, NotChecked=0, Total=2756 [2023-12-25 11:10:20,144 INFO L413 NwaCegarLoop]: 476 mSDtfsCounter, 781 mSDsluCounter, 5964 mSDsCounter, 0 mSdLazyCounter, 4391 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 781 SdHoareTripleChecker+Valid, 6440 SdHoareTripleChecker+Invalid, 4391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.3s IncrementalHoareTripleChecker+Time [2023-12-25 11:10:20,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [781 Valid, 6440 Invalid, 4391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4391 Invalid, 0 Unknown, 0 Unchecked, 34.3s Time] [2023-12-25 11:10:20,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2023-12-25 11:10:20,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 764. [2023-12-25 11:10:20,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 748 states have (on average 1.3302139037433156) internal successors, (995), 763 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:10:20,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 995 transitions. [2023-12-25 11:10:20,149 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 995 transitions. Word has length 116 [2023-12-25 11:10:20,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:10:20,149 INFO L495 AbstractCegarLoop]: Abstraction has 764 states and 995 transitions. [2023-12-25 11:10:20,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.135135135135135) internal successors, (116), 37 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:10:20,149 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 995 transitions. [2023-12-25 11:10:20,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-25 11:10:20,150 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:10:20,150 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:10:20,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (130)] Forceful destruction successful, exit code 0 [2023-12-25 11:10:20,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 130 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:10:20,350 INFO L420 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:10:20,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:10:20,351 INFO L85 PathProgramCache]: Analyzing trace with hash -615531059, now seen corresponding path program 1 times [2023-12-25 11:10:20,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:10:20,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [562970659] [2023-12-25 11:10:20,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:10:20,351 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:10:20,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:10:20,352 INFO L229 MonitoredProcess]: Starting monitored process 131 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:10:20,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (131)] Waiting until timeout for monitored process [2023-12-25 11:10:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:10:20,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-25 11:10:20,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:10:40,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:10:40,399 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:10:40,399 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:10:40,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [562970659] [2023-12-25 11:10:40,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [562970659] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:10:40,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:10:40,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2023-12-25 11:10:40,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220996261] [2023-12-25 11:10:40,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:10:40,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-12-25 11:10:40,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:10:40,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-12-25 11:10:40,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=1117, Unknown=0, NotChecked=0, Total=1332 [2023-12-25 11:10:40,401 INFO L87 Difference]: Start difference. First operand 764 states and 995 transitions. Second operand has 37 states, 37 states have (on average 3.135135135135135) internal successors, (116), 37 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:11:08,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:11:41,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:11:43,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:12:00,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:12:06,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:12:06,739 INFO L93 Difference]: Finished difference Result 968 states and 1290 transitions. [2023-12-25 11:12:06,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-25 11:12:06,739 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.135135135135135) internal successors, (116), 37 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2023-12-25 11:12:06,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:12:06,740 INFO L225 Difference]: With dead ends: 968 [2023-12-25 11:12:06,740 INFO L226 Difference]: Without dead ends: 786 [2023-12-25 11:12:06,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 644 ImplicationChecksByTransitivity, 31.5s TimeCoverageRelationStatistics Valid=454, Invalid=2516, Unknown=0, NotChecked=0, Total=2970 [2023-12-25 11:12:06,740 INFO L413 NwaCegarLoop]: 470 mSDtfsCounter, 710 mSDsluCounter, 5757 mSDsCounter, 0 mSdLazyCounter, 4786 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 710 SdHoareTripleChecker+Valid, 6227 SdHoareTripleChecker+Invalid, 4786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:12:06,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [710 Valid, 6227 Invalid, 4786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4786 Invalid, 0 Unknown, 0 Unchecked, 69.9s Time] [2023-12-25 11:12:06,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2023-12-25 11:12:06,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 770. [2023-12-25 11:12:06,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 754 states have (on average 1.330238726790451) internal successors, (1003), 769 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:06,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 1003 transitions. [2023-12-25 11:12:06,745 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 1003 transitions. Word has length 116 [2023-12-25 11:12:06,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:12:06,745 INFO L495 AbstractCegarLoop]: Abstraction has 770 states and 1003 transitions. [2023-12-25 11:12:06,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.135135135135135) internal successors, (116), 37 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:06,745 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1003 transitions. [2023-12-25 11:12:06,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-25 11:12:06,746 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:12:06,746 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:12:06,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (131)] Forceful destruction successful, exit code 0 [2023-12-25 11:12:06,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 131 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:12:06,950 INFO L420 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:12:06,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:12:06,951 INFO L85 PathProgramCache]: Analyzing trace with hash 736410642, now seen corresponding path program 1 times [2023-12-25 11:12:06,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:12:06,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1141302348] [2023-12-25 11:12:06,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:12:06,951 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:12:06,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:12:06,953 INFO L229 MonitoredProcess]: Starting monitored process 132 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:12:06,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (132)] Waiting until timeout for monitored process [2023-12-25 11:12:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:12:07,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-25 11:12:07,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:12:14,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:12:14,206 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:12:14,207 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:12:14,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1141302348] [2023-12-25 11:12:14,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1141302348] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:12:14,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:12:14,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2023-12-25 11:12:14,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23603236] [2023-12-25 11:12:14,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:12:14,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-12-25 11:12:14,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:12:14,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-12-25 11:12:14,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=803, Unknown=0, NotChecked=0, Total=992 [2023-12-25 11:12:14,208 INFO L87 Difference]: Start difference. First operand 770 states and 1003 transitions. Second operand has 32 states, 32 states have (on average 3.625) internal successors, (116), 32 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:28,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:12:28,960 INFO L93 Difference]: Finished difference Result 1008 states and 1341 transitions. [2023-12-25 11:12:28,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-25 11:12:28,961 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 3.625) internal successors, (116), 32 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2023-12-25 11:12:28,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:12:28,962 INFO L225 Difference]: With dead ends: 1008 [2023-12-25 11:12:28,962 INFO L226 Difference]: Without dead ends: 779 [2023-12-25 11:12:28,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=400, Invalid=1670, Unknown=0, NotChecked=0, Total=2070 [2023-12-25 11:12:28,962 INFO L413 NwaCegarLoop]: 483 mSDtfsCounter, 712 mSDsluCounter, 5398 mSDsCounter, 0 mSdLazyCounter, 3827 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 712 SdHoareTripleChecker+Valid, 5881 SdHoareTripleChecker+Invalid, 3827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:12:28,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [712 Valid, 5881 Invalid, 3827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3827 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2023-12-25 11:12:28,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2023-12-25 11:12:28,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 771. [2023-12-25 11:12:28,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 755 states have (on average 1.3298013245033113) internal successors, (1004), 770 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:28,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1004 transitions. [2023-12-25 11:12:28,968 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1004 transitions. Word has length 116 [2023-12-25 11:12:28,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:12:28,968 INFO L495 AbstractCegarLoop]: Abstraction has 771 states and 1004 transitions. [2023-12-25 11:12:28,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.625) internal successors, (116), 32 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:28,968 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1004 transitions. [2023-12-25 11:12:28,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-25 11:12:28,968 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:12:28,969 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:12:28,973 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (132)] Ended with exit code 0 [2023-12-25 11:12:29,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 132 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:12:29,173 INFO L420 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:12:29,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:12:29,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1386194619, now seen corresponding path program 1 times [2023-12-25 11:12:29,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:12:29,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [478018261] [2023-12-25 11:12:29,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:12:29,174 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:12:29,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:12:29,175 INFO L229 MonitoredProcess]: Starting monitored process 133 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:12:29,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (133)] Waiting until timeout for monitored process [2023-12-25 11:12:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:12:29,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 11:12:29,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:12:30,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:12:30,184 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:12:30,184 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:12:30,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [478018261] [2023-12-25 11:12:30,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [478018261] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:12:30,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:12:30,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-25 11:12:30,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753445092] [2023-12-25 11:12:30,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:12:30,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 11:12:30,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:12:30,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 11:12:30,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-12-25 11:12:30,185 INFO L87 Difference]: Start difference. First operand 771 states and 1004 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 9 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:30,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:12:30,783 INFO L93 Difference]: Finished difference Result 1366 states and 1842 transitions. [2023-12-25 11:12:30,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 11:12:30,783 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 9 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2023-12-25 11:12:30,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:12:30,784 INFO L225 Difference]: With dead ends: 1366 [2023-12-25 11:12:30,784 INFO L226 Difference]: Without dead ends: 982 [2023-12-25 11:12:30,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:12:30,785 INFO L413 NwaCegarLoop]: 670 mSDtfsCounter, 1706 mSDsluCounter, 1940 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1706 SdHoareTripleChecker+Valid, 2610 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-25 11:12:30,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1706 Valid, 2610 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-25 11:12:30,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2023-12-25 11:12:30,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 553. [2023-12-25 11:12:30,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 542 states have (on average 1.3265682656826567) internal successors, (719), 552 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:30,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 719 transitions. [2023-12-25 11:12:30,789 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 719 transitions. Word has length 116 [2023-12-25 11:12:30,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:12:30,789 INFO L495 AbstractCegarLoop]: Abstraction has 553 states and 719 transitions. [2023-12-25 11:12:30,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 9 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:30,789 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 719 transitions. [2023-12-25 11:12:30,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-25 11:12:30,790 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:12:30,790 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:12:30,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (133)] Forceful destruction successful, exit code 0 [2023-12-25 11:12:30,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 133 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:12:30,990 INFO L420 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:12:30,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:12:30,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1606326384, now seen corresponding path program 1 times [2023-12-25 11:12:30,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:12:30,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1604635407] [2023-12-25 11:12:30,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:12:30,991 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:12:30,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:12:30,992 INFO L229 MonitoredProcess]: Starting monitored process 134 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:12:30,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (134)] Waiting until timeout for monitored process [2023-12-25 11:12:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:12:31,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 11:12:31,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:12:31,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:12:31,968 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:12:31,968 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:12:31,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1604635407] [2023-12-25 11:12:31,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1604635407] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:12:31,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:12:31,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-25 11:12:31,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87910902] [2023-12-25 11:12:31,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:12:31,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 11:12:31,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:12:31,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 11:12:31,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-12-25 11:12:31,969 INFO L87 Difference]: Start difference. First operand 553 states and 719 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 9 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:32,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:12:32,585 INFO L93 Difference]: Finished difference Result 1295 states and 1818 transitions. [2023-12-25 11:12:32,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 11:12:32,585 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 9 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2023-12-25 11:12:32,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:12:32,586 INFO L225 Difference]: With dead ends: 1295 [2023-12-25 11:12:32,586 INFO L226 Difference]: Without dead ends: 1075 [2023-12-25 11:12:32,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:12:32,587 INFO L413 NwaCegarLoop]: 608 mSDtfsCounter, 1429 mSDsluCounter, 1791 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1429 SdHoareTripleChecker+Valid, 2399 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-25 11:12:32,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1429 Valid, 2399 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-25 11:12:32,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2023-12-25 11:12:32,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 498. [2023-12-25 11:12:32,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 490 states have (on average 1.3204081632653062) internal successors, (647), 497 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:32,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 647 transitions. [2023-12-25 11:12:32,592 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 647 transitions. Word has length 117 [2023-12-25 11:12:32,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:12:32,592 INFO L495 AbstractCegarLoop]: Abstraction has 498 states and 647 transitions. [2023-12-25 11:12:32,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 9 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:32,592 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 647 transitions. [2023-12-25 11:12:32,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-25 11:12:32,592 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:12:32,592 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:12:32,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (134)] Forceful destruction successful, exit code 0 [2023-12-25 11:12:32,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 134 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:12:32,797 INFO L420 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:12:32,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:12:32,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1664696120, now seen corresponding path program 1 times [2023-12-25 11:12:32,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:12:32,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1096058402] [2023-12-25 11:12:32,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:12:32,798 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:12:32,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:12:32,807 INFO L229 MonitoredProcess]: Starting monitored process 135 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:12:32,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (135)] Waiting until timeout for monitored process [2023-12-25 11:12:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:12:33,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-25 11:12:33,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:12:34,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:12:34,574 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:12:34,574 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:12:34,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1096058402] [2023-12-25 11:12:34,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1096058402] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:12:34,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:12:34,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-25 11:12:34,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792651433] [2023-12-25 11:12:34,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:12:34,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-25 11:12:34,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:12:34,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-25 11:12:34,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-12-25 11:12:34,580 INFO L87 Difference]: Start difference. First operand 498 states and 647 transitions. Second operand has 14 states, 14 states have (on average 8.357142857142858) internal successors, (117), 14 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:36,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:12:36,306 INFO L93 Difference]: Finished difference Result 1180 states and 1623 transitions. [2023-12-25 11:12:36,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-25 11:12:36,306 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.357142857142858) internal successors, (117), 14 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2023-12-25 11:12:36,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:12:36,307 INFO L225 Difference]: With dead ends: 1180 [2023-12-25 11:12:36,307 INFO L226 Difference]: Without dead ends: 992 [2023-12-25 11:12:36,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2023-12-25 11:12:36,308 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 1447 mSDsluCounter, 2991 mSDsCounter, 0 mSdLazyCounter, 1004 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1447 SdHoareTripleChecker+Valid, 3460 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-25 11:12:36,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1447 Valid, 3460 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1004 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-25 11:12:36,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2023-12-25 11:12:36,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 465. [2023-12-25 11:12:36,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 459 states have (on average 1.3137254901960784) internal successors, (603), 464 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:36,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 603 transitions. [2023-12-25 11:12:36,313 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 603 transitions. Word has length 117 [2023-12-25 11:12:36,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:12:36,313 INFO L495 AbstractCegarLoop]: Abstraction has 465 states and 603 transitions. [2023-12-25 11:12:36,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.357142857142858) internal successors, (117), 14 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:36,313 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 603 transitions. [2023-12-25 11:12:36,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-25 11:12:36,314 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:12:36,314 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:12:36,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (135)] Forceful destruction successful, exit code 0 [2023-12-25 11:12:36,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 135 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:12:36,519 INFO L420 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:12:36,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:12:36,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1278329475, now seen corresponding path program 1 times [2023-12-25 11:12:36,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:12:36,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1376251762] [2023-12-25 11:12:36,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:12:36,520 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:12:36,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:12:36,522 INFO L229 MonitoredProcess]: Starting monitored process 136 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:12:36,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (136)] Waiting until timeout for monitored process [2023-12-25 11:12:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:12:36,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 11:12:36,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:12:37,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:12:37,588 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:12:37,588 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:12:37,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1376251762] [2023-12-25 11:12:37,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1376251762] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:12:37,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:12:37,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-25 11:12:37,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811661901] [2023-12-25 11:12:37,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:12:37,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 11:12:37,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:12:37,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 11:12:37,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-12-25 11:12:37,590 INFO L87 Difference]: Start difference. First operand 465 states and 603 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 9 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:38,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:12:38,251 INFO L93 Difference]: Finished difference Result 865 states and 1186 transitions. [2023-12-25 11:12:38,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 11:12:38,251 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 9 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2023-12-25 11:12:38,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:12:38,252 INFO L225 Difference]: With dead ends: 865 [2023-12-25 11:12:38,252 INFO L226 Difference]: Without dead ends: 587 [2023-12-25 11:12:38,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:12:38,253 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 770 mSDsluCounter, 1320 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 770 SdHoareTripleChecker+Valid, 1709 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-25 11:12:38,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [770 Valid, 1709 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-25 11:12:38,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2023-12-25 11:12:38,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 342. [2023-12-25 11:12:38,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 340 states have (on average 1.3058823529411765) internal successors, (444), 341 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:38,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 444 transitions. [2023-12-25 11:12:38,256 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 444 transitions. Word has length 117 [2023-12-25 11:12:38,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:12:38,256 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 444 transitions. [2023-12-25 11:12:38,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 9 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:38,256 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 444 transitions. [2023-12-25 11:12:38,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-25 11:12:38,256 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:12:38,256 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:12:38,261 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (136)] Ended with exit code 0 [2023-12-25 11:12:38,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 136 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:12:38,458 INFO L420 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:12:38,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:12:38,459 INFO L85 PathProgramCache]: Analyzing trace with hash -2011872188, now seen corresponding path program 1 times [2023-12-25 11:12:38,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:12:38,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2120104924] [2023-12-25 11:12:38,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:12:38,460 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:12:38,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:12:38,461 INFO L229 MonitoredProcess]: Starting monitored process 137 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:12:38,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (137)] Waiting until timeout for monitored process [2023-12-25 11:12:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:12:38,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:12:38,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:12:39,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:12:39,399 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:12:39,399 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:12:39,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2120104924] [2023-12-25 11:12:39,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2120104924] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:12:39,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:12:39,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:12:39,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853198729] [2023-12-25 11:12:39,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:12:39,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:12:39,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:12:39,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:12:39,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:12:39,401 INFO L87 Difference]: Start difference. First operand 342 states and 444 transitions. Second operand has 8 states, 8 states have (on average 14.625) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:40,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:12:40,076 INFO L93 Difference]: Finished difference Result 538 states and 729 transitions. [2023-12-25 11:12:40,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:12:40,076 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2023-12-25 11:12:40,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:12:40,077 INFO L225 Difference]: With dead ends: 538 [2023-12-25 11:12:40,077 INFO L226 Difference]: Without dead ends: 342 [2023-12-25 11:12:40,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 11:12:40,078 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 868 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 868 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:12:40,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [868 Valid, 473 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 11:12:40,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2023-12-25 11:12:40,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2023-12-25 11:12:40,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 340 states have (on average 1.3) internal successors, (442), 341 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:40,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 442 transitions. [2023-12-25 11:12:40,080 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 442 transitions. Word has length 117 [2023-12-25 11:12:40,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:12:40,080 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 442 transitions. [2023-12-25 11:12:40,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:40,080 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 442 transitions. [2023-12-25 11:12:40,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-25 11:12:40,081 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:12:40,081 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:12:40,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (137)] Forceful destruction successful, exit code 0 [2023-12-25 11:12:40,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 137 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:12:40,289 INFO L420 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:12:40,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:12:40,294 INFO L85 PathProgramCache]: Analyzing trace with hash -2078533446, now seen corresponding path program 1 times [2023-12-25 11:12:40,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:12:40,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1314417620] [2023-12-25 11:12:40,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:12:40,295 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 11:12:40,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:12:40,296 INFO L229 MonitoredProcess]: Starting monitored process 138 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 11:12:40,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (138)] Waiting until timeout for monitored process [2023-12-25 11:12:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:12:40,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 52 conjunts are in the unsatisfiable core [2023-12-25 11:12:40,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:13:50,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 11:13:50,410 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:13:50,411 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:13:50,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1314417620] [2023-12-25 11:13:50,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1314417620] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:13:50,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:13:50,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2023-12-25 11:13:50,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239906683] [2023-12-25 11:13:50,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:13:50,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-12-25 11:13:50,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:13:50,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-12-25 11:13:50,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=1322, Unknown=0, NotChecked=0, Total=1560 [2023-12-25 11:13:50,412 INFO L87 Difference]: Start difference. First operand 342 states and 442 transitions. Second operand has 40 states, 40 states have (on average 2.975) internal successors, (119), 40 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:15:03,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:15:40,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] Received shutdown request... [2023-12-25 11:15:46,865 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (138)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-25 11:15:46,880 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-25 11:15:47,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (138)] Forceful destruction successful, exit code 0 [2023-12-25 11:15:48,080 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-25 11:15:48,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 86.1s TimeCoverageRelationStatistics Valid=451, Invalid=2099, Unknown=0, NotChecked=0, Total=2550 [2023-12-25 11:15:48,157 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 128 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 1285 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 95.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 1286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 95.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:15:48,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 728 Invalid, 1286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1285 Invalid, 0 Unknown, 0 Unchecked, 95.6s Time] [2023-12-25 11:15:48,158 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (28 of 29 remaining) [2023-12-25 11:15:48,158 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2023-12-25 11:15:48,159 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 29 remaining) [2023-12-25 11:15:48,160 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (26 of 29 remaining) [2023-12-25 11:15:48,160 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (25 of 29 remaining) [2023-12-25 11:15:48,160 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (24 of 29 remaining) [2023-12-25 11:15:48,160 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (23 of 29 remaining) [2023-12-25 11:15:48,160 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (22 of 29 remaining) [2023-12-25 11:15:48,160 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (21 of 29 remaining) [2023-12-25 11:15:48,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 [2023-12-25 11:15:48,165 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (20 of 29 remaining) [2023-12-25 11:15:48,165 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (19 of 29 remaining) [2023-12-25 11:15:48,165 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (18 of 29 remaining) [2023-12-25 11:15:48,165 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (17 of 29 remaining) [2023-12-25 11:15:48,165 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (16 of 29 remaining) [2023-12-25 11:15:48,165 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (15 of 29 remaining) [2023-12-25 11:15:48,165 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (14 of 29 remaining) [2023-12-25 11:15:48,165 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (13 of 29 remaining) [2023-12-25 11:15:48,165 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (12 of 29 remaining) [2023-12-25 11:15:48,165 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (11 of 29 remaining) [2023-12-25 11:15:48,165 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (10 of 29 remaining) [2023-12-25 11:15:48,165 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (9 of 29 remaining) [2023-12-25 11:15:48,165 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (8 of 29 remaining) [2023-12-25 11:15:48,166 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (7 of 29 remaining) [2023-12-25 11:15:48,166 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (6 of 29 remaining) [2023-12-25 11:15:48,166 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (5 of 29 remaining) [2023-12-25 11:15:48,166 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (4 of 29 remaining) [2023-12-25 11:15:48,166 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (3 of 29 remaining) [2023-12-25 11:15:48,169 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (2 of 29 remaining) [2023-12-25 11:15:48,169 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (1 of 29 remaining) [2023-12-25 11:15:48,169 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (0 of 29 remaining) [2023-12-25 11:15:48,172 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 11:15:48,174 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 11:15:48,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 11:15:48 BoogieIcfgContainer [2023-12-25 11:15:48,175 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 11:15:48,175 INFO L158 Benchmark]: Toolchain (without parser) took 893999.04ms. Allocated memory was 270.5MB in the beginning and 858.8MB in the end (delta: 588.3MB). Free memory was 205.4MB in the beginning and 255.7MB in the end (delta: -50.3MB). Peak memory consumption was 538.1MB. Max. memory is 8.0GB. [2023-12-25 11:15:48,175 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 176.2MB. Free memory is still 128.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 11:15:48,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2001.52ms. Allocated memory is still 270.5MB. Free memory was 205.4MB in the beginning and 111.8MB in the end (delta: 93.5MB). Peak memory consumption was 104.0MB. Max. memory is 8.0GB. [2023-12-25 11:15:48,175 INFO L158 Benchmark]: Boogie Procedure Inliner took 252.41ms. Allocated memory was 270.5MB in the beginning and 361.8MB in the end (delta: 91.2MB). Free memory was 111.8MB in the beginning and 280.6MB in the end (delta: -168.7MB). Peak memory consumption was 25.4MB. Max. memory is 8.0GB. [2023-12-25 11:15:48,175 INFO L158 Benchmark]: Boogie Preprocessor took 277.28ms. Allocated memory is still 361.8MB. Free memory was 280.6MB in the beginning and 231.3MB in the end (delta: 49.3MB). Peak memory consumption was 48.2MB. Max. memory is 8.0GB. [2023-12-25 11:15:48,176 INFO L158 Benchmark]: RCFGBuilder took 6313.10ms. Allocated memory was 361.8MB in the beginning and 691.0MB in the end (delta: 329.3MB). Free memory was 231.3MB in the beginning and 340.6MB in the end (delta: -109.3MB). Peak memory consumption was 236.2MB. Max. memory is 8.0GB. [2023-12-25 11:15:48,176 INFO L158 Benchmark]: TraceAbstraction took 885149.19ms. Allocated memory was 691.0MB in the beginning and 858.8MB in the end (delta: 167.8MB). Free memory was 340.0MB in the beginning and 255.7MB in the end (delta: 84.4MB). Peak memory consumption was 252.2MB. Max. memory is 8.0GB. [2023-12-25 11:15:48,176 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 176.2MB. Free memory is still 128.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2001.52ms. Allocated memory is still 270.5MB. Free memory was 205.4MB in the beginning and 111.8MB in the end (delta: 93.5MB). Peak memory consumption was 104.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 252.41ms. Allocated memory was 270.5MB in the beginning and 361.8MB in the end (delta: 91.2MB). Free memory was 111.8MB in the beginning and 280.6MB in the end (delta: -168.7MB). Peak memory consumption was 25.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 277.28ms. Allocated memory is still 361.8MB. Free memory was 280.6MB in the beginning and 231.3MB in the end (delta: 49.3MB). Peak memory consumption was 48.2MB. Max. memory is 8.0GB. * RCFGBuilder took 6313.10ms. Allocated memory was 361.8MB in the beginning and 691.0MB in the end (delta: 329.3MB). Free memory was 231.3MB in the beginning and 340.6MB in the end (delta: -109.3MB). Peak memory consumption was 236.2MB. Max. memory is 8.0GB. * TraceAbstraction took 885149.19ms. Allocated memory was 691.0MB in the beginning and 858.8MB in the end (delta: 167.8MB). Free memory was 340.0MB in the beginning and 255.7MB in the end (delta: 84.4MB). Peak memory consumption was 252.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 1335]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1335). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 905]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 905). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1431]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1431). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1486]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1486). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1609]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1609). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1664]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1664). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1746]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1746). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1937]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1937). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1992]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1992). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 2074]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2074). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 2224]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2224). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 2524]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2524). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 2579]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2579). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 2661]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2661). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 2811]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2811). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 3070]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 3070). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 3560]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 3560). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 3615]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 3615). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 3697]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 3697). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 3847]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 3847). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 4120]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 4120). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 4612]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 4612). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 5539]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 5539). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 5594]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 5594). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 5676]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 5676). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 5826]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 5826). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 6085]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 6085). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 6534]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 6534). Cancelled while executing Executor. - TimeoutResultAtElement [Line: 7333]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 7333). Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2062 locations, 29 error locations. Started 1 CEGAR loops. OverallTime: 885.1s, OverallIterations: 137, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 630.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 492750 SdHoareTripleChecker+Valid, 558.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 492750 mSDsluCounter, 402185 SdHoareTripleChecker+Invalid, 527.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 293484 mSDsCounter, 3063 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 324844 IncrementalHoareTripleChecker+Invalid, 327908 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3063 mSolverCounterUnsat, 108701 mSDtfsCounter, 324844 mSolverCounterSat, 1.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16195 GetRequests, 14323 SyntacticMatches, 0 SemanticMatches, 1872 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4146 ImplicationChecksByTransitivity, 161.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2062occurred in iteration=0, InterpolantAutomatonStates: 1302, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 136 MinimizatonAttempts, 22054 StatesRemovedByMinimization, 126 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.1s SsaConstructionTime, 10.3s SatisfiabilityAnalysisTime, 177.9s InterpolantComputationTime, 15389 NumberOfCodeBlocks, 15389 NumberOfCodeBlocksAsserted, 137 NumberOfCheckSat, 15252 ConstructedInterpolants, 10841 QuantifiedInterpolants, 262098 SizeOfPredicates, 755 NumberOfNonLiveVariables, 63865 ConjunctsInSsa, 1264 ConjunctsInUnsatCore, 137 InterpolantComputations, 137 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown