/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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 11:05:50,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 11:05:50,453 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 11:05:50,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 11:05:50,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 11:05:50,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 11:05:50,488 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 11:05:50,489 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 11:05:50,489 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 11:05:50,492 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 11:05:50,493 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 11:05:50,493 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 11:05:50,493 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 11:05:50,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 11:05:50,494 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 11:05:50,495 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 11:05:50,495 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 11:05:50,495 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 11:05:50,495 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 11:05:50,495 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 11:05:50,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 11:05:50,496 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 11:05:50,496 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 11:05:50,496 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 11:05:50,496 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 11:05:50,496 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 11:05:50,497 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 11:05:50,497 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 11:05:50,497 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 11:05:50,497 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 11:05:50,498 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 11:05:50,498 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 11:05:50,498 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 11:05:50,498 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 11:05:50,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 11:05:50,498 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 11:05:50,499 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 11:05:50,499 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 11:05:50,499 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 11:05:50,499 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 11:05:50,499 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 11:05:50,499 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 11:05:50,500 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 11:05:50,500 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 11:05:50,500 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 11:05:50,500 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 11:05:50,500 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 11:05:50,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 11:05:50,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 11:05:50,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 11:05:50,716 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 11:05:50,716 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 11:05:50,717 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c [2023-12-25 11:05:51,644 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 11:05:52,097 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 11:05:52,098 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c [2023-12-25 11:05:52,128 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a15372e25/65f68259026b476ea82ea147b7761a45/FLAGb283ec978 [2023-12-25 11:05:52,141 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a15372e25/65f68259026b476ea82ea147b7761a45 [2023-12-25 11:05:52,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 11:05:52,143 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 11:05:52,144 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 11:05:52,144 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 11:05:52,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 11:05:52,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 11:05:52" (1/1) ... [2023-12-25 11:05:52,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca1976b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:05:52, skipping insertion in model container [2023-12-25 11:05:52,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 11:05:52" (1/1) ... [2023-12-25 11:05:52,314 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 11:05:52,714 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[17602,17615] [2023-12-25 11:05:52,752 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[22899,22912] [2023-12-25 11:05:52,758 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[24256,24269] [2023-12-25 11:05:52,774 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[25064,25077] [2023-12-25 11:05:52,781 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[26792,26805] [2023-12-25 11:05:52,785 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[27600,27613] [2023-12-25 11:05:52,820 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[28779,28792] [2023-12-25 11:05:52,830 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[31519,31532] [2023-12-25 11:05:52,834 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[32330,32343] [2023-12-25 11:05:52,843 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[33512,33525] [2023-12-25 11:05:52,851 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[35703,35716] [2023-12-25 11:05:52,864 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[39963,39976] [2023-12-25 11:05:52,868 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[40774,40787] [2023-12-25 11:05:52,873 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[41956,41969] [2023-12-25 11:05:52,880 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[44147,44160] [2023-12-25 11:05:52,893 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[47858,47871] [2023-12-25 11:05:52,912 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[54605,54618] [2023-12-25 11:05:52,916 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[55416,55429] [2023-12-25 11:05:52,921 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[56559,56572] [2023-12-25 11:05:52,928 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[58711,58724] [2023-12-25 11:05:52,941 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[62628,62641] [2023-12-25 11:05:52,961 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[69577,69590] [2023-12-25 11:05:53,004 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[82313,82326] [2023-12-25 11:05:53,008 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[83124,83137] [2023-12-25 11:05:53,012 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[84306,84319] [2023-12-25 11:05:53,021 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[86497,86510] [2023-12-25 11:05:53,036 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[90208,90221] [2023-12-25 11:05:53,056 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[96406,96419] [2023-12-25 11:05:53,087 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[106997,107010] [2023-12-25 11:05:53,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 11:05:53,549 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 11:05:53,621 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[17602,17615] [2023-12-25 11:05:53,642 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[22899,22912] [2023-12-25 11:05:53,651 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[24256,24269] [2023-12-25 11:05:53,657 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[25064,25077] [2023-12-25 11:05:53,666 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[26792,26805] [2023-12-25 11:05:53,671 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[27600,27613] [2023-12-25 11:05:53,675 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[28779,28792] [2023-12-25 11:05:53,684 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[31519,31532] [2023-12-25 11:05:53,687 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[32330,32343] [2023-12-25 11:05:53,690 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[33512,33525] [2023-12-25 11:05:53,696 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[35703,35716] [2023-12-25 11:05:53,707 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[39963,39976] [2023-12-25 11:05:53,710 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[40774,40787] [2023-12-25 11:05:53,757 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[41956,41969] [2023-12-25 11:05:53,762 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[44147,44160] [2023-12-25 11:05:53,773 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[47858,47871] [2023-12-25 11:05:53,786 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[54605,54618] [2023-12-25 11:05:53,789 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[55416,55429] [2023-12-25 11:05:53,792 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[56559,56572] [2023-12-25 11:05:53,797 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[58711,58724] [2023-12-25 11:05:53,806 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[62628,62641] [2023-12-25 11:05:53,820 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[69577,69590] [2023-12-25 11:05:53,844 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[82313,82326] [2023-12-25 11:05:53,847 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[83124,83137] [2023-12-25 11:05:53,850 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[84306,84319] [2023-12-25 11:05:53,855 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[86497,86510] [2023-12-25 11:05:53,862 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[90208,90221] [2023-12-25 11:05:53,875 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[96406,96419] [2023-12-25 11:05:53,893 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.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[106997,107010] [2023-12-25 11:05:54,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 11:05:54,233 INFO L206 MainTranslator]: Completed translation [2023-12-25 11:05:54,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:05:54 WrapperNode [2023-12-25 11:05:54,235 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 11:05:54,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 11:05:54,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 11:05:54,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 11:05:54,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:05:54" (1/1) ... [2023-12-25 11:05:54,300 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:05:54" (1/1) ... [2023-12-25 11:05:54,506 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13483 [2023-12-25 11:05:54,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 11:05:54,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 11:05:54,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 11:05:54,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 11:05:54,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:05:54" (1/1) ... [2023-12-25 11:05:54,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:05:54" (1/1) ... [2023-12-25 11:05:54,539 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:05:54" (1/1) ... [2023-12-25 11:05:54,626 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 11:05:54,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:05:54" (1/1) ... [2023-12-25 11:05:54,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:05:54" (1/1) ... [2023-12-25 11:05:54,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:05:54" (1/1) ... [2023-12-25 11:05:54,719 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:05:54" (1/1) ... [2023-12-25 11:05:54,737 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:05:54" (1/1) ... [2023-12-25 11:05:54,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:05:54" (1/1) ... [2023-12-25 11:05:54,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 11:05:54,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 11:05:54,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 11:05:54,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 11:05:54,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:05:54" (1/1) ... [2023-12-25 11:05:54,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 11:05:54,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 11:05:54,826 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 11:05:54,851 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 11:05:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 11:05:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 11:05:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 11:05:54,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 11:05:55,156 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 11:05:55,158 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 11:06:00,998 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 11:06:01,069 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 11:06:01,069 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-25 11:06:01,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 11:06:01 BoogieIcfgContainer [2023-12-25 11:06:01,070 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 11:06:01,071 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 11:06:01,071 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 11:06:01,073 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 11:06:01,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 11:05:52" (1/3) ... [2023-12-25 11:06:01,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fca0aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 11:06:01, skipping insertion in model container [2023-12-25 11:06:01,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 11:05:54" (2/3) ... [2023-12-25 11:06:01,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fca0aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 11:06:01, skipping insertion in model container [2023-12-25 11:06:01,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 11:06:01" (3/3) ... [2023-12-25 11:06:01,075 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c [2023-12-25 11:06:01,088 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 11:06:01,088 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2023-12-25 11:06:01,153 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 11:06:01,157 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;@217d7c9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 11:06:01,157 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2023-12-25 11:06:01,166 INFO L276 IsEmpty]: Start isEmpty. Operand has 2080 states, 2050 states have (on average 1.8614634146341464) internal successors, (3816), 2079 states have internal predecessors, (3816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:01,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-25 11:06:01,186 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:01,187 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] [2023-12-25 11:06:01,187 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:01,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:01,191 INFO L85 PathProgramCache]: Analyzing trace with hash -393314146, now seen corresponding path program 1 times [2023-12-25 11:06:01,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:01,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1535133108] [2023-12-25 11:06:01,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:01,202 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 11:06:01,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:01,210 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 11:06:01,211 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 (2)] Waiting until timeout for monitored process [2023-12-25 11:06:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:01,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 11:06:01,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:02,065 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 11:06:02,065 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:02,065 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:02,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1535133108] [2023-12-25 11:06:02,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1535133108] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:02,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:02,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 11:06:02,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600446728] [2023-12-25 11:06:02,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:02,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 11:06:02,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:02,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 11:06:02,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 11:06:02,094 INFO L87 Difference]: Start difference. First operand has 2080 states, 2050 states have (on average 1.8614634146341464) internal successors, (3816), 2079 states have internal predecessors, (3816), 0 states have call successors, (0), 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 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 11:06:03,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:03,295 INFO L93 Difference]: Finished difference Result 3090 states and 5487 transitions. [2023-12-25 11:06:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 11:06:03,297 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 11:06:03,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:03,310 INFO L225 Difference]: With dead ends: 3090 [2023-12-25 11:06:03,310 INFO L226 Difference]: Without dead ends: 1569 [2023-12-25 11:06:03,315 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 11:06:03,317 INFO L413 NwaCegarLoop]: 1853 mSDtfsCounter, 8181 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8181 SdHoareTripleChecker+Valid, 1861 SdHoareTripleChecker+Invalid, 926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:03,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8181 Valid, 1861 Invalid, 926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 923 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-25 11:06:03,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1569 states. [2023-12-25 11:06:03,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1569 to 1569. [2023-12-25 11:06:03,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1569 states, 1540 states have (on average 1.3266233766233766) internal successors, (2043), 1568 states have internal predecessors, (2043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:03,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1569 states and 2043 transitions. [2023-12-25 11:06:03,381 INFO L78 Accepts]: Start accepts. Automaton has 1569 states and 2043 transitions. Word has length 100 [2023-12-25 11:06:03,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:03,381 INFO L495 AbstractCegarLoop]: Abstraction has 1569 states and 2043 transitions. [2023-12-25 11:06:03,382 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 11:06:03,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 2043 transitions. [2023-12-25 11:06:03,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-25 11:06:03,385 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:03,385 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 11:06:03,400 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 (2)] Forceful destruction successful, exit code 0 [2023-12-25 11:06:03,586 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 11:06:03,586 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:03,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:03,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1198583076, now seen corresponding path program 1 times [2023-12-25 11:06:03,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:03,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [608648294] [2023-12-25 11:06:03,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:03,590 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 11:06:03,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:03,591 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 11:06:03,611 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 11:06:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:03,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 11:06:03,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:04,270 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 11:06:04,270 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:04,270 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:04,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [608648294] [2023-12-25 11:06:04,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [608648294] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:04,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:04,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 11:06:04,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575645854] [2023-12-25 11:06:04,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:04,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 11:06:04,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:04,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 11:06:04,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 11:06:04,272 INFO L87 Difference]: Start difference. First operand 1569 states and 2043 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 11:06:05,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:05,078 INFO L93 Difference]: Finished difference Result 2573 states and 3458 transitions. [2023-12-25 11:06:05,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 11:06:05,078 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 11:06:05,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:05,082 INFO L225 Difference]: With dead ends: 2573 [2023-12-25 11:06:05,082 INFO L226 Difference]: Without dead ends: 1316 [2023-12-25 11:06:05,083 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 11:06:05,084 INFO L413 NwaCegarLoop]: 1007 mSDtfsCounter, 3446 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3446 SdHoareTripleChecker+Valid, 1019 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 11:06:05,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3446 Valid, 1019 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-25 11:06:05,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1316 states. [2023-12-25 11:06:05,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1316 to 1316. [2023-12-25 11:06:05,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1316 states, 1287 states have (on average 1.3651903651903652) internal successors, (1757), 1315 states have internal predecessors, (1757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:05,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1316 states and 1757 transitions. [2023-12-25 11:06:05,100 INFO L78 Accepts]: Start accepts. Automaton has 1316 states and 1757 transitions. Word has length 101 [2023-12-25 11:06:05,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:05,100 INFO L495 AbstractCegarLoop]: Abstraction has 1316 states and 1757 transitions. [2023-12-25 11:06:05,101 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 11:06:05,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1757 transitions. [2023-12-25 11:06:05,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-25 11:06:05,103 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:05,103 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] [2023-12-25 11:06:05,116 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 (3)] Forceful destruction successful, exit code 0 [2023-12-25 11:06:05,307 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 11:06:05,308 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:05,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:05,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1508928607, now seen corresponding path program 1 times [2023-12-25 11:06:05,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:05,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [656081800] [2023-12-25 11:06:05,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:05,310 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 11:06:05,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:05,311 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 11:06:05,311 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 11:06:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:05,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 11:06:05,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:05,992 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 11:06:05,992 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:05,992 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:05,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [656081800] [2023-12-25 11:06:05,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [656081800] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:05,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:05,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 11:06:05,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138397151] [2023-12-25 11:06:05,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:05,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 11:06:05,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:05,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 11:06:05,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 11:06:05,994 INFO L87 Difference]: Start difference. First operand 1316 states and 1757 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 11:06:06,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:06,807 INFO L93 Difference]: Finished difference Result 2320 states and 3171 transitions. [2023-12-25 11:06:06,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 11:06:06,808 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 11:06:06,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:06,812 INFO L225 Difference]: With dead ends: 2320 [2023-12-25 11:06:06,812 INFO L226 Difference]: Without dead ends: 1191 [2023-12-25 11:06:06,813 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 11:06:06,814 INFO L413 NwaCegarLoop]: 906 mSDtfsCounter, 3153 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3153 SdHoareTripleChecker+Valid, 926 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:06,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3153 Valid, 926 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-25 11:06:06,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2023-12-25 11:06:06,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1191. [2023-12-25 11:06:06,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1191 states, 1162 states have (on average 1.3898450946643717) internal successors, (1615), 1190 states have internal predecessors, (1615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:06,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 1191 states and 1615 transitions. [2023-12-25 11:06:06,829 INFO L78 Accepts]: Start accepts. Automaton has 1191 states and 1615 transitions. Word has length 102 [2023-12-25 11:06:06,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:06,830 INFO L495 AbstractCegarLoop]: Abstraction has 1191 states and 1615 transitions. [2023-12-25 11:06:06,830 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 11:06:06,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1615 transitions. [2023-12-25 11:06:06,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-25 11:06:06,832 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:06,832 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 11:06:06,836 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 11:06:07,036 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 11:06:07,036 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:07,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:07,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1210391741, now seen corresponding path program 1 times [2023-12-25 11:06:07,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:07,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1526013193] [2023-12-25 11:06:07,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:07,038 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 11:06:07,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:07,039 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 11:06:07,070 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 11:06:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:07,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 11:06:07,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:07,659 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 11:06:07,659 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:07,659 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:07,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1526013193] [2023-12-25 11:06:07,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1526013193] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:07,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:07,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 11:06:07,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260769117] [2023-12-25 11:06:07,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:07,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 11:06:07,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:07,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 11:06:07,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 11:06:07,661 INFO L87 Difference]: Start difference. First operand 1191 states and 1615 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 11:06:08,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:08,404 INFO L93 Difference]: Finished difference Result 2195 states and 3028 transitions. [2023-12-25 11:06:08,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 11:06:08,405 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 11:06:08,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:08,408 INFO L225 Difference]: With dead ends: 2195 [2023-12-25 11:06:08,408 INFO L226 Difference]: Without dead ends: 1130 [2023-12-25 11:06:08,409 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 11:06:08,409 INFO L413 NwaCegarLoop]: 847 mSDtfsCounter, 3002 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3002 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:08,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3002 Valid, 875 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 11:06:08,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2023-12-25 11:06:08,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1130. [2023-12-25 11:06:08,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1130 states, 1101 states have (on average 1.4032697547683923) internal successors, (1545), 1129 states have internal predecessors, (1545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:08,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 1130 states and 1545 transitions. [2023-12-25 11:06:08,422 INFO L78 Accepts]: Start accepts. Automaton has 1130 states and 1545 transitions. Word has length 103 [2023-12-25 11:06:08,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:08,422 INFO L495 AbstractCegarLoop]: Abstraction has 1130 states and 1545 transitions. [2023-12-25 11:06:08,422 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 11:06:08,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1545 transitions. [2023-12-25 11:06:08,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-25 11:06:08,424 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:08,424 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 11:06:08,428 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 (5)] Forceful destruction successful, exit code 0 [2023-12-25 11:06:08,628 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 11:06:08,628 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:08,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:08,629 INFO L85 PathProgramCache]: Analyzing trace with hash 561178400, now seen corresponding path program 1 times [2023-12-25 11:06:08,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:08,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1151548739] [2023-12-25 11:06:08,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:08,630 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 11:06:08,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:08,631 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 11:06:08,633 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 11:06:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:08,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 11:06:08,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:09,291 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 11:06:09,291 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:09,292 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:09,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1151548739] [2023-12-25 11:06:09,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1151548739] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:09,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:09,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 11:06:09,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16955415] [2023-12-25 11:06:09,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:09,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 11:06:09,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:09,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 11:06:09,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 11:06:09,293 INFO L87 Difference]: Start difference. First operand 1130 states and 1545 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 11:06:10,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:10,048 INFO L93 Difference]: Finished difference Result 2134 states and 2957 transitions. [2023-12-25 11:06:10,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 11:06:10,048 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 11:06:10,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:10,051 INFO L225 Difference]: With dead ends: 2134 [2023-12-25 11:06:10,051 INFO L226 Difference]: Without dead ends: 1101 [2023-12-25 11:06:10,053 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 11:06:10,053 INFO L413 NwaCegarLoop]: 800 mSDtfsCounter, 2919 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2919 SdHoareTripleChecker+Valid, 836 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 11:06:10,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2919 Valid, 836 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 11:06:10,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2023-12-25 11:06:10,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 1101. [2023-12-25 11:06:10,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1101 states, 1072 states have (on average 1.4095149253731343) internal successors, (1511), 1100 states have internal predecessors, (1511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:10,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 1101 states and 1511 transitions. [2023-12-25 11:06:10,070 INFO L78 Accepts]: Start accepts. Automaton has 1101 states and 1511 transitions. Word has length 104 [2023-12-25 11:06:10,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:10,070 INFO L495 AbstractCegarLoop]: Abstraction has 1101 states and 1511 transitions. [2023-12-25 11:06:10,070 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 11:06:10,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1511 transitions. [2023-12-25 11:06:10,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-25 11:06:10,072 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:10,072 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 11:06:10,085 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 11:06:10,283 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 11:06:10,284 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:10,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:10,284 INFO L85 PathProgramCache]: Analyzing trace with hash 654674334, now seen corresponding path program 1 times [2023-12-25 11:06:10,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:10,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [852990750] [2023-12-25 11:06:10,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:10,285 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 11:06:10,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:10,286 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 11:06:10,287 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 11:06:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:10,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 11:06:10,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:10,910 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 11:06:10,910 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:10,910 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:10,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [852990750] [2023-12-25 11:06:10,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [852990750] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:10,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:10,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 11:06:10,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159378852] [2023-12-25 11:06:10,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:10,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 11:06:10,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:10,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 11:06:10,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 11:06:10,913 INFO L87 Difference]: Start difference. First operand 1101 states and 1511 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 11:06:11,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:11,624 INFO L93 Difference]: Finished difference Result 2105 states and 2922 transitions. [2023-12-25 11:06:11,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 11:06:11,624 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 11:06:11,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:11,627 INFO L225 Difference]: With dead ends: 2105 [2023-12-25 11:06:11,627 INFO L226 Difference]: Without dead ends: 1088 [2023-12-25 11:06:11,629 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 11:06:11,630 INFO L413 NwaCegarLoop]: 740 mSDtfsCounter, 2864 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2864 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:11,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2864 Valid, 784 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 11:06:11,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2023-12-25 11:06:11,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 1088. [2023-12-25 11:06:11,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1059 states have (on average 1.4117091595845137) internal successors, (1495), 1087 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:11,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1495 transitions. [2023-12-25 11:06:11,646 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1495 transitions. Word has length 105 [2023-12-25 11:06:11,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:11,647 INFO L495 AbstractCegarLoop]: Abstraction has 1088 states and 1495 transitions. [2023-12-25 11:06:11,647 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 11:06:11,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1495 transitions. [2023-12-25 11:06:11,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-25 11:06:11,648 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:11,649 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 11:06:11,655 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 (7)] Forceful destruction successful, exit code 0 [2023-12-25 11:06:11,852 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 11:06:11,852 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:11,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:11,853 INFO L85 PathProgramCache]: Analyzing trace with hash -756882207, now seen corresponding path program 1 times [2023-12-25 11:06:11,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:11,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [102624359] [2023-12-25 11:06:11,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:11,853 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 11:06:11,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:11,855 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 11:06:11,891 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 11:06:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:12,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 11:06:12,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:12,468 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 11:06:12,468 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:12,468 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:12,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [102624359] [2023-12-25 11:06:12,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [102624359] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:12,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:12,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 11:06:12,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77979343] [2023-12-25 11:06:12,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:12,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 11:06:12,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:12,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 11:06:12,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 11:06:12,475 INFO L87 Difference]: Start difference. First operand 1088 states and 1495 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 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 11:06:13,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:13,429 INFO L93 Difference]: Finished difference Result 2092 states and 2905 transitions. [2023-12-25 11:06:13,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 11:06:13,429 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 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 11:06:13,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:13,432 INFO L225 Difference]: With dead ends: 2092 [2023-12-25 11:06:13,432 INFO L226 Difference]: Without dead ends: 1083 [2023-12-25 11:06:13,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 102 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 11:06:13,434 INFO L413 NwaCegarLoop]: 612 mSDtfsCounter, 2812 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2812 SdHoareTripleChecker+Valid, 664 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 11:06:13,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2812 Valid, 664 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 878 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 11:06:13,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2023-12-25 11:06:13,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1083. [2023-12-25 11:06:13,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.411764705882353) internal successors, (1488), 1082 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:13,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1488 transitions. [2023-12-25 11:06:13,446 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1488 transitions. Word has length 106 [2023-12-25 11:06:13,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:13,446 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1488 transitions. [2023-12-25 11:06:13,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 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 11:06:13,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1488 transitions. [2023-12-25 11:06:13,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-25 11:06:13,448 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:13,449 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] [2023-12-25 11:06:13,456 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 (8)] Forceful destruction successful, exit code 0 [2023-12-25 11:06:13,653 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 11:06:13,653 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:13,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:13,654 INFO L85 PathProgramCache]: Analyzing trace with hash 10049727, now seen corresponding path program 1 times [2023-12-25 11:06:13,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:13,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [884522294] [2023-12-25 11:06:13,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:13,654 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 11:06:13,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:13,655 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 11:06:13,657 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 11:06:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:13,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-25 11:06:13,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:14,343 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 11:06:14,344 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:14,344 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:14,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [884522294] [2023-12-25 11:06:14,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [884522294] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:14,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:14,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 11:06:14,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761478886] [2023-12-25 11:06:14,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:14,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 11:06:14,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:14,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 11:06:14,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-25 11:06:14,345 INFO L87 Difference]: Start difference. First operand 1083 states and 1488 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:16,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:16,598 INFO L93 Difference]: Finished difference Result 1668 states and 2291 transitions. [2023-12-25 11:06:16,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 11:06:16,599 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2023-12-25 11:06:16,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:16,602 INFO L225 Difference]: With dead ends: 1668 [2023-12-25 11:06:16,602 INFO L226 Difference]: Without dead ends: 1083 [2023-12-25 11:06:16,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 101 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 11:06:16,604 INFO L413 NwaCegarLoop]: 609 mSDtfsCounter, 5669 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 1773 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5669 SdHoareTripleChecker+Valid, 1277 SdHoareTripleChecker+Invalid, 1838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:16,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5669 Valid, 1277 Invalid, 1838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1773 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-25 11:06:16,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2023-12-25 11:06:16,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1083. [2023-12-25 11:06:16,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.4108159392789374) internal successors, (1487), 1082 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 11:06:16,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1487 transitions. [2023-12-25 11:06:16,657 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1487 transitions. Word has length 107 [2023-12-25 11:06:16,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:16,657 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1487 transitions. [2023-12-25 11:06:16,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 6 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:16,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1487 transitions. [2023-12-25 11:06:16,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-25 11:06:16,659 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:16,659 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, 1, 1, 1, 1, 1] [2023-12-25 11:06:16,680 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 (9)] Ended with exit code 0 [2023-12-25 11:06:16,864 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 11:06:16,864 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 11:06:16,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:16,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1673844547, now seen corresponding path program 1 times [2023-12-25 11:06:16,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:16,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [969099576] [2023-12-25 11:06:16,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:16,865 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 11:06:16,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:16,868 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 11:06:16,869 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 11:06:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:17,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:17,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:17,720 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 11:06:17,721 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:17,721 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:17,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [969099576] [2023-12-25 11:06:17,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [969099576] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:17,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:17,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:17,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202869924] [2023-12-25 11:06:17,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:17,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:17,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:17,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:17,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:17,722 INFO L87 Difference]: Start difference. First operand 1083 states and 1487 transitions. Second operand has 8 states, 8 states have (on average 13.375) internal successors, (107), 7 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:20,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:20,674 INFO L93 Difference]: Finished difference Result 1353 states and 1881 transitions. [2023-12-25 11:06:20,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:06:20,674 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 7 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2023-12-25 11:06:20,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:20,677 INFO L225 Difference]: With dead ends: 1353 [2023-12-25 11:06:20,677 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:06:20,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 100 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 11:06:20,678 INFO L413 NwaCegarLoop]: 870 mSDtfsCounter, 4911 mSDsluCounter, 2326 mSDsCounter, 0 mSdLazyCounter, 2620 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4911 SdHoareTripleChecker+Valid, 3196 SdHoareTripleChecker+Invalid, 2625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:20,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4911 Valid, 3196 Invalid, 2625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2620 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:06:20,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:06:20,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:06:20,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.4098671726755219) internal successors, (1486), 1082 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:20,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1486 transitions. [2023-12-25 11:06:20,711 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1486 transitions. Word has length 107 [2023-12-25 11:06:20,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:20,712 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1486 transitions. [2023-12-25 11:06:20,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 7 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:20,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1486 transitions. [2023-12-25 11:06:20,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-25 11:06:20,715 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:20,715 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] [2023-12-25 11:06:20,722 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 11:06:20,916 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 11:06:20,916 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:20,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:20,917 INFO L85 PathProgramCache]: Analyzing trace with hash 124559761, now seen corresponding path program 1 times [2023-12-25 11:06:20,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:20,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [790708763] [2023-12-25 11:06:20,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:20,917 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 11:06:20,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:20,918 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 11:06:20,920 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 (11)] Waiting until timeout for monitored process [2023-12-25 11:06:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:21,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:21,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:21,817 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 11:06:21,817 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:21,817 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:21,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [790708763] [2023-12-25 11:06:21,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [790708763] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:21,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:21,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:21,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107280953] [2023-12-25 11:06:21,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:21,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:21,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:21,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:21,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:21,818 INFO L87 Difference]: Start difference. First operand 1083 states and 1486 transitions. Second operand has 8 states, 8 states have (on average 13.375) internal successors, (107), 7 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:24,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:24,641 INFO L93 Difference]: Finished difference Result 1477 states and 2052 transitions. [2023-12-25 11:06:24,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:06:24,641 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 7 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2023-12-25 11:06:24,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:24,645 INFO L225 Difference]: With dead ends: 1477 [2023-12-25 11:06:24,646 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:06:24,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 100 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 11:06:24,647 INFO L413 NwaCegarLoop]: 826 mSDtfsCounter, 5508 mSDsluCounter, 2061 mSDsCounter, 0 mSdLazyCounter, 2329 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5508 SdHoareTripleChecker+Valid, 2887 SdHoareTripleChecker+Invalid, 2334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:24,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5508 Valid, 2887 Invalid, 2334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2329 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 11:06:24,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:06:24,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:06:24,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.4089184060721063) internal successors, (1485), 1082 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:24,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1485 transitions. [2023-12-25 11:06:24,659 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1485 transitions. Word has length 107 [2023-12-25 11:06:24,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:24,703 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1485 transitions. [2023-12-25 11:06:24,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 7 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:24,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1485 transitions. [2023-12-25 11:06:24,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-25 11:06:24,705 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:24,705 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] [2023-12-25 11:06:24,727 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 (11)] Forceful destruction successful, exit code 0 [2023-12-25 11:06:24,905 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 11:06:24,905 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:24,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:24,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1528536076, now seen corresponding path program 1 times [2023-12-25 11:06:24,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:24,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [819514792] [2023-12-25 11:06:24,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:24,907 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 11:06:24,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:24,908 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 11:06:24,917 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 11:06:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:25,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:25,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:25,827 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 11:06:25,827 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:25,827 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:25,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [819514792] [2023-12-25 11:06:25,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [819514792] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:25,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:25,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:25,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273248220] [2023-12-25 11:06:25,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:25,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:25,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:25,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:25,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:25,829 INFO L87 Difference]: Start difference. First operand 1083 states and 1485 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:28,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:28,830 INFO L93 Difference]: Finished difference Result 1305 states and 1808 transitions. [2023-12-25 11:06:28,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:06:28,830 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2023-12-25 11:06:28,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:28,833 INFO L225 Difference]: With dead ends: 1305 [2023-12-25 11:06:28,833 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:06:28,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 102 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 11:06:28,834 INFO L413 NwaCegarLoop]: 889 mSDtfsCounter, 3303 mSDsluCounter, 2424 mSDsCounter, 0 mSdLazyCounter, 2700 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3303 SdHoareTripleChecker+Valid, 3313 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 11:06:28,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3303 Valid, 3313 Invalid, 2707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2700 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:06:28,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:06:28,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:06:28,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.4079696394686907) internal successors, (1484), 1082 states have internal predecessors, (1484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:28,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1484 transitions. [2023-12-25 11:06:28,844 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1484 transitions. Word has length 109 [2023-12-25 11:06:28,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:28,845 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1484 transitions. [2023-12-25 11:06:28,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:28,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1484 transitions. [2023-12-25 11:06:28,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-25 11:06:28,846 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:28,846 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] [2023-12-25 11:06:28,858 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 11:06:29,050 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 11:06:29,051 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:29,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:29,051 INFO L85 PathProgramCache]: Analyzing trace with hash -473795284, now seen corresponding path program 1 times [2023-12-25 11:06:29,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:29,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [761695216] [2023-12-25 11:06:29,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:29,052 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 11:06:29,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:29,052 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 11:06:29,088 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 11:06:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:29,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:29,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:29,943 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 11:06:29,943 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:29,944 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:29,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [761695216] [2023-12-25 11:06:29,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [761695216] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:29,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:29,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:29,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966613770] [2023-12-25 11:06:29,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:29,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:29,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:29,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:29,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:29,945 INFO L87 Difference]: Start difference. First operand 1083 states and 1484 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:32,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:32,791 INFO L93 Difference]: Finished difference Result 1374 states and 1899 transitions. [2023-12-25 11:06:32,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:06:32,791 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2023-12-25 11:06:32,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:32,799 INFO L225 Difference]: With dead ends: 1374 [2023-12-25 11:06:32,799 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:06:32,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 102 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 11:06:32,800 INFO L413 NwaCegarLoop]: 895 mSDtfsCounter, 4841 mSDsluCounter, 2347 mSDsCounter, 0 mSdLazyCounter, 2621 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4841 SdHoareTripleChecker+Valid, 3242 SdHoareTripleChecker+Invalid, 2626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:32,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4841 Valid, 3242 Invalid, 2626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2621 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:06:32,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:06:32,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:06:32,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.407020872865275) internal successors, (1483), 1082 states have internal predecessors, (1483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:32,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1483 transitions. [2023-12-25 11:06:32,833 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1483 transitions. Word has length 109 [2023-12-25 11:06:32,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:32,834 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1483 transitions. [2023-12-25 11:06:32,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:32,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1483 transitions. [2023-12-25 11:06:32,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-25 11:06:32,835 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:32,835 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] [2023-12-25 11:06:32,854 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 11:06:33,057 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 11:06:33,058 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:33,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:33,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1344450106, now seen corresponding path program 1 times [2023-12-25 11:06:33,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:33,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [580456231] [2023-12-25 11:06:33,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:33,059 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 11:06:33,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:33,060 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 11:06:33,064 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 11:06:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:33,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:33,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:33,960 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 11:06:33,960 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:33,960 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:33,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [580456231] [2023-12-25 11:06:33,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [580456231] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:33,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:33,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:33,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077067155] [2023-12-25 11:06:33,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:33,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:33,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:33,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:33,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:33,962 INFO L87 Difference]: Start difference. First operand 1083 states and 1483 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:36,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:36,932 INFO L93 Difference]: Finished difference Result 1305 states and 1805 transitions. [2023-12-25 11:06:36,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:06:36,932 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2023-12-25 11:06:36,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:36,935 INFO L225 Difference]: With dead ends: 1305 [2023-12-25 11:06:36,935 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:06:36,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 102 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 11:06:36,936 INFO L413 NwaCegarLoop]: 889 mSDtfsCounter, 4638 mSDsluCounter, 2428 mSDsCounter, 0 mSdLazyCounter, 2690 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4638 SdHoareTripleChecker+Valid, 3317 SdHoareTripleChecker+Invalid, 2697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:36,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4638 Valid, 3317 Invalid, 2697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2690 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:06:36,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:06:36,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:06:36,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.4060721062618595) internal successors, (1482), 1082 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:36,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1482 transitions. [2023-12-25 11:06:36,946 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1482 transitions. Word has length 109 [2023-12-25 11:06:36,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:36,946 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1482 transitions. [2023-12-25 11:06:36,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:36,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1482 transitions. [2023-12-25 11:06:36,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-25 11:06:36,948 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:36,948 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] [2023-12-25 11:06:36,957 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 (14)] Ended with exit code 0 [2023-12-25 11:06:37,148 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 11:06:37,149 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:37,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:37,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1668784820, now seen corresponding path program 1 times [2023-12-25 11:06:37,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:37,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [813089258] [2023-12-25 11:06:37,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:37,150 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 11:06:37,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:37,151 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 11:06:37,184 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 (15)] Waiting until timeout for monitored process [2023-12-25 11:06:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:37,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:37,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:38,021 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 11:06:38,021 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:38,022 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:38,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [813089258] [2023-12-25 11:06:38,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [813089258] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:38,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:38,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:38,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142204624] [2023-12-25 11:06:38,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:38,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:38,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:38,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:38,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:38,023 INFO L87 Difference]: Start difference. First operand 1083 states and 1482 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:41,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:41,001 INFO L93 Difference]: Finished difference Result 1298 states and 1798 transitions. [2023-12-25 11:06:41,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:06:41,002 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2023-12-25 11:06:41,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:41,005 INFO L225 Difference]: With dead ends: 1298 [2023-12-25 11:06:41,005 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:06:41,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 102 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 11:06:41,006 INFO L413 NwaCegarLoop]: 868 mSDtfsCounter, 3337 mSDsluCounter, 2393 mSDsCounter, 0 mSdLazyCounter, 2672 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3337 SdHoareTripleChecker+Valid, 3261 SdHoareTripleChecker+Invalid, 2679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:41,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3337 Valid, 3261 Invalid, 2679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2672 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:06:41,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:06:41,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:06:41,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.405123339658444) internal successors, (1481), 1082 states have internal predecessors, (1481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:41,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1481 transitions. [2023-12-25 11:06:41,016 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1481 transitions. Word has length 109 [2023-12-25 11:06:41,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:41,016 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1481 transitions. [2023-12-25 11:06:41,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:41,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1481 transitions. [2023-12-25 11:06:41,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-25 11:06:41,018 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:41,018 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] [2023-12-25 11:06:41,025 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 11:06:41,222 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 11:06:41,223 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:41,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:41,224 INFO L85 PathProgramCache]: Analyzing trace with hash 395359209, now seen corresponding path program 1 times [2023-12-25 11:06:41,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:41,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1213957175] [2023-12-25 11:06:41,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:41,224 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 11:06:41,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:41,225 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 11:06:41,229 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 (16)] Waiting until timeout for monitored process [2023-12-25 11:06:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:41,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:41,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:42,028 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 11:06:42,028 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:42,029 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:42,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1213957175] [2023-12-25 11:06:42,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1213957175] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:42,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:42,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:42,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649065434] [2023-12-25 11:06:42,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:42,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:42,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:42,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:42,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:42,030 INFO L87 Difference]: Start difference. First operand 1083 states and 1481 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:44,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:44,903 INFO L93 Difference]: Finished difference Result 1374 states and 1892 transitions. [2023-12-25 11:06:44,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:06:44,903 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2023-12-25 11:06:44,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:44,906 INFO L225 Difference]: With dead ends: 1374 [2023-12-25 11:06:44,906 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:06:44,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 102 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 11:06:44,907 INFO L413 NwaCegarLoop]: 895 mSDtfsCounter, 3439 mSDsluCounter, 2358 mSDsCounter, 0 mSdLazyCounter, 2602 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3439 SdHoareTripleChecker+Valid, 3253 SdHoareTripleChecker+Invalid, 2607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:44,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3439 Valid, 3253 Invalid, 2607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2602 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:06:44,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:06:44,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:06:44,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.4041745730550284) internal successors, (1480), 1082 states have internal predecessors, (1480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:44,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1480 transitions. [2023-12-25 11:06:44,916 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1480 transitions. Word has length 109 [2023-12-25 11:06:44,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:44,916 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1480 transitions. [2023-12-25 11:06:44,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:44,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1480 transitions. [2023-12-25 11:06:44,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-25 11:06:44,918 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:44,918 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] [2023-12-25 11:06:44,932 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 11:06:45,122 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 11:06:45,122 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 11:06:45,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:45,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1897276727, now seen corresponding path program 1 times [2023-12-25 11:06:45,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:45,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [862594632] [2023-12-25 11:06:45,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:45,123 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 11:06:45,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:45,124 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 11:06:45,161 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 11:06:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:45,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:45,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:45,942 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 11:06:45,943 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:45,943 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:45,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [862594632] [2023-12-25 11:06:45,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [862594632] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:45,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:45,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:45,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452913914] [2023-12-25 11:06:45,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:45,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:45,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:45,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:45,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:45,950 INFO L87 Difference]: Start difference. First operand 1083 states and 1480 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:48,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:48,822 INFO L93 Difference]: Finished difference Result 1305 states and 1802 transitions. [2023-12-25 11:06:48,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:06:48,822 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2023-12-25 11:06:48,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:48,824 INFO L225 Difference]: With dead ends: 1305 [2023-12-25 11:06:48,825 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:06:48,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 102 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 11:06:48,825 INFO L413 NwaCegarLoop]: 889 mSDtfsCounter, 3290 mSDsluCounter, 2428 mSDsCounter, 0 mSdLazyCounter, 2679 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3290 SdHoareTripleChecker+Valid, 3317 SdHoareTripleChecker+Invalid, 2686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:48,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3290 Valid, 3317 Invalid, 2686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2679 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:06:48,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:06:48,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:06:48,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.403225806451613) internal successors, (1479), 1082 states have internal predecessors, (1479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:48,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1479 transitions. [2023-12-25 11:06:48,835 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1479 transitions. Word has length 109 [2023-12-25 11:06:48,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:48,835 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1479 transitions. [2023-12-25 11:06:48,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:48,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1479 transitions. [2023-12-25 11:06:48,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-25 11:06:48,837 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:48,837 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] [2023-12-25 11:06:48,854 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 (17)] Forceful destruction successful, exit code 0 [2023-12-25 11:06:49,041 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 11:06:49,041 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:49,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:49,042 INFO L85 PathProgramCache]: Analyzing trace with hash -211267848, now seen corresponding path program 1 times [2023-12-25 11:06:49,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:49,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [920415021] [2023-12-25 11:06:49,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:49,042 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 11:06:49,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:49,043 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 11:06:49,045 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 11:06:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:49,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:49,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:49,915 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 11:06:49,916 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:49,916 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:49,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [920415021] [2023-12-25 11:06:49,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [920415021] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:49,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:49,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:49,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365865002] [2023-12-25 11:06:49,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:49,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:49,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:49,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:49,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:49,917 INFO L87 Difference]: Start difference. First operand 1083 states and 1479 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:52,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:52,681 INFO L93 Difference]: Finished difference Result 1527 states and 2091 transitions. [2023-12-25 11:06:52,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:06:52,682 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2023-12-25 11:06:52,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:52,685 INFO L225 Difference]: With dead ends: 1527 [2023-12-25 11:06:52,685 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:06:52,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 102 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 11:06:52,686 INFO L413 NwaCegarLoop]: 898 mSDtfsCounter, 3796 mSDsluCounter, 2149 mSDsCounter, 0 mSdLazyCounter, 2440 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3796 SdHoareTripleChecker+Valid, 3047 SdHoareTripleChecker+Invalid, 2444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:52,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3796 Valid, 3047 Invalid, 2444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2440 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 11:06:52,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:06:52,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:06:52,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.4022770398481974) internal successors, (1478), 1082 states have internal predecessors, (1478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:52,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1478 transitions. [2023-12-25 11:06:52,696 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1478 transitions. Word has length 109 [2023-12-25 11:06:52,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:52,696 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1478 transitions. [2023-12-25 11:06:52,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:52,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1478 transitions. [2023-12-25 11:06:52,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-25 11:06:52,697 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:52,697 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] [2023-12-25 11:06:52,723 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 11:06:52,902 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 11:06:52,902 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:52,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:52,902 INFO L85 PathProgramCache]: Analyzing trace with hash -2057277300, now seen corresponding path program 1 times [2023-12-25 11:06:52,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:52,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1536886569] [2023-12-25 11:06:52,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:52,903 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 11:06:52,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:52,904 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 11:06:52,905 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 11:06:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:53,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:53,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:53,744 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 11:06:53,745 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:53,745 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:53,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1536886569] [2023-12-25 11:06:53,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1536886569] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:53,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:53,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:53,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145375048] [2023-12-25 11:06:53,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:53,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:53,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:53,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:53,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:53,746 INFO L87 Difference]: Start difference. First operand 1083 states and 1478 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:56,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:06:56,627 INFO L93 Difference]: Finished difference Result 1319 states and 1814 transitions. [2023-12-25 11:06:56,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:06:56,627 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2023-12-25 11:06:56,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:06:56,630 INFO L225 Difference]: With dead ends: 1319 [2023-12-25 11:06:56,630 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:06:56,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 104 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 11:06:56,631 INFO L413 NwaCegarLoop]: 842 mSDtfsCounter, 3490 mSDsluCounter, 2318 mSDsCounter, 0 mSdLazyCounter, 2529 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3490 SdHoareTripleChecker+Valid, 3160 SdHoareTripleChecker+Invalid, 2537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:06:56,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3490 Valid, 3160 Invalid, 2537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2529 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:06:56,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:06:56,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:06:56,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.4013282732447818) internal successors, (1477), 1082 states have internal predecessors, (1477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:56,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1477 transitions. [2023-12-25 11:06:56,644 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1477 transitions. Word has length 111 [2023-12-25 11:06:56,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:06:56,644 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1477 transitions. [2023-12-25 11:06:56,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:06:56,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1477 transitions. [2023-12-25 11:06:56,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-25 11:06:56,646 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:06:56,646 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] [2023-12-25 11:06:56,652 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 (19)] Ended with exit code 0 [2023-12-25 11:06:56,850 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 11:06:56,850 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:06:56,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:06:56,850 INFO L85 PathProgramCache]: Analyzing trace with hash -177768362, now seen corresponding path program 1 times [2023-12-25 11:06:56,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:06:56,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [567644699] [2023-12-25 11:06:56,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:06:56,851 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 11:06:56,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:06:56,852 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 11:06:56,853 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 11:06:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:06:57,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:06:57,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:06:57,717 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 11:06:57,718 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:06:57,718 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:06:57,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [567644699] [2023-12-25 11:06:57,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [567644699] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:06:57,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:06:57,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:06:57,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827219608] [2023-12-25 11:06:57,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:06:57,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:06:57,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:06:57,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:06:57,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:06:57,719 INFO L87 Difference]: Start difference. First operand 1083 states and 1477 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:00,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:00,701 INFO L93 Difference]: Finished difference Result 1280 states and 1763 transitions. [2023-12-25 11:07:00,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:00,702 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2023-12-25 11:07:00,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:00,704 INFO L225 Difference]: With dead ends: 1280 [2023-12-25 11:07:00,704 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:07:00,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 104 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 11:07:00,705 INFO L413 NwaCegarLoop]: 877 mSDtfsCounter, 3263 mSDsluCounter, 2416 mSDsCounter, 0 mSdLazyCounter, 2707 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3263 SdHoareTripleChecker+Valid, 3293 SdHoareTripleChecker+Invalid, 2718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:00,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3263 Valid, 3293 Invalid, 2718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2707 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:07:00,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:07:00,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:07:00,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.4003795066413662) internal successors, (1476), 1082 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:00,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1476 transitions. [2023-12-25 11:07:00,714 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1476 transitions. Word has length 111 [2023-12-25 11:07:00,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:00,714 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1476 transitions. [2023-12-25 11:07:00,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:00,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1476 transitions. [2023-12-25 11:07:00,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-25 11:07:00,715 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:00,715 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] [2023-12-25 11:07:00,719 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 (20)] Ended with exit code 0 [2023-12-25 11:07:00,919 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 11:07:00,919 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:00,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:00,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1855263288, now seen corresponding path program 1 times [2023-12-25 11:07:00,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:00,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1050090683] [2023-12-25 11:07:00,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:00,921 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 11:07:00,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:00,921 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 11:07:00,923 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 11:07:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:01,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:01,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:01,799 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 11:07:01,799 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:01,799 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:01,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1050090683] [2023-12-25 11:07:01,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1050090683] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:01,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:01,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:01,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055396014] [2023-12-25 11:07:01,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:01,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:01,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:01,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:01,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:01,800 INFO L87 Difference]: Start difference. First operand 1083 states and 1476 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:04,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:04,790 INFO L93 Difference]: Finished difference Result 1280 states and 1762 transitions. [2023-12-25 11:07:04,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:04,791 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2023-12-25 11:07:04,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:04,793 INFO L225 Difference]: With dead ends: 1280 [2023-12-25 11:07:04,793 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:07:04,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 104 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 11:07:04,794 INFO L413 NwaCegarLoop]: 877 mSDtfsCounter, 3261 mSDsluCounter, 2416 mSDsCounter, 0 mSdLazyCounter, 2703 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3261 SdHoareTripleChecker+Valid, 3293 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 11:07:04,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3261 Valid, 3293 Invalid, 2714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2703 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:07:04,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:07:04,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:07:04,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3994307400379506) internal successors, (1475), 1082 states have internal predecessors, (1475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:04,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1475 transitions. [2023-12-25 11:07:04,803 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1475 transitions. Word has length 111 [2023-12-25 11:07:04,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:04,803 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1475 transitions. [2023-12-25 11:07:04,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:04,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1475 transitions. [2023-12-25 11:07:04,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-25 11:07:04,804 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:04,804 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] [2023-12-25 11:07:04,810 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 (21)] Ended with exit code 0 [2023-12-25 11:07:05,011 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 11:07:05,011 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 11:07:05,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:05,012 INFO L85 PathProgramCache]: Analyzing trace with hash -295038365, now seen corresponding path program 1 times [2023-12-25 11:07:05,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:05,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [895203144] [2023-12-25 11:07:05,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:05,012 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 11:07:05,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:05,013 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 11:07:05,047 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 11:07:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:05,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:05,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:05,889 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 11:07:05,889 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:05,889 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:05,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [895203144] [2023-12-25 11:07:05,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [895203144] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:05,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:05,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:05,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495948200] [2023-12-25 11:07:05,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:05,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:05,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:05,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:05,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:05,890 INFO L87 Difference]: Start difference. First operand 1083 states and 1475 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:08,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:08,982 INFO L93 Difference]: Finished difference Result 1275 states and 1756 transitions. [2023-12-25 11:07:08,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:08,982 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2023-12-25 11:07:08,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:08,985 INFO L225 Difference]: With dead ends: 1275 [2023-12-25 11:07:08,985 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:07:08,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 104 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 11:07:08,986 INFO L413 NwaCegarLoop]: 877 mSDtfsCounter, 4628 mSDsluCounter, 2420 mSDsCounter, 0 mSdLazyCounter, 2702 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4628 SdHoareTripleChecker+Valid, 3297 SdHoareTripleChecker+Invalid, 2713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:08,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4628 Valid, 3297 Invalid, 2713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2702 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:07:08,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:07:08,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:07:08,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.398481973434535) internal successors, (1474), 1082 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:08,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1474 transitions. [2023-12-25 11:07:08,996 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1474 transitions. Word has length 111 [2023-12-25 11:07:08,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:08,996 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1474 transitions. [2023-12-25 11:07:08,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:08,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1474 transitions. [2023-12-25 11:07:08,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-25 11:07:08,998 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:08,998 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] [2023-12-25 11:07:09,002 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 11:07:09,202 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 11:07:09,203 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:09,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:09,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1626759222, now seen corresponding path program 1 times [2023-12-25 11:07:09,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:09,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1639988951] [2023-12-25 11:07:09,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:09,205 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 11:07:09,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:09,206 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 11:07:09,240 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 11:07:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:09,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:09,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:10,094 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 11:07:10,095 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:10,095 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:10,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1639988951] [2023-12-25 11:07:10,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1639988951] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:10,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:10,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:10,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607559425] [2023-12-25 11:07:10,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:10,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:10,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:10,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:10,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:10,096 INFO L87 Difference]: Start difference. First operand 1083 states and 1474 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:13,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:13,107 INFO L93 Difference]: Finished difference Result 1280 states and 1759 transitions. [2023-12-25 11:07:13,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:13,109 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2023-12-25 11:07:13,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:13,112 INFO L225 Difference]: With dead ends: 1280 [2023-12-25 11:07:13,112 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:07:13,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 104 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 11:07:13,112 INFO L413 NwaCegarLoop]: 877 mSDtfsCounter, 4629 mSDsluCounter, 2419 mSDsCounter, 0 mSdLazyCounter, 2693 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4629 SdHoareTripleChecker+Valid, 3296 SdHoareTripleChecker+Invalid, 2704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:13,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4629 Valid, 3296 Invalid, 2704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2693 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:07:13,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:07:13,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:07:13,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3975332068311195) internal successors, (1473), 1082 states have internal predecessors, (1473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:13,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1473 transitions. [2023-12-25 11:07:13,134 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1473 transitions. Word has length 111 [2023-12-25 11:07:13,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:13,139 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1473 transitions. [2023-12-25 11:07:13,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:13,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1473 transitions. [2023-12-25 11:07:13,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-25 11:07:13,141 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:13,141 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] [2023-12-25 11:07:13,147 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 (23)] Forceful destruction successful, exit code 0 [2023-12-25 11:07:13,345 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 11:07:13,345 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:13,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:13,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1108394253, now seen corresponding path program 1 times [2023-12-25 11:07:13,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:13,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1285666961] [2023-12-25 11:07:13,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:13,346 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 11:07:13,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:13,347 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 11:07:13,349 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 11:07:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:13,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:13,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:14,133 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 11:07:14,133 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:14,133 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:14,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1285666961] [2023-12-25 11:07:14,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1285666961] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:14,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:14,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:14,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120640340] [2023-12-25 11:07:14,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:14,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:14,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:14,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:14,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:14,135 INFO L87 Difference]: Start difference. First operand 1083 states and 1473 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:17,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:17,093 INFO L93 Difference]: Finished difference Result 1275 states and 1754 transitions. [2023-12-25 11:07:17,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:17,094 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2023-12-25 11:07:17,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:17,097 INFO L225 Difference]: With dead ends: 1275 [2023-12-25 11:07:17,097 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:07:17,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 104 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 11:07:17,097 INFO L413 NwaCegarLoop]: 877 mSDtfsCounter, 3249 mSDsluCounter, 2421 mSDsCounter, 0 mSdLazyCounter, 2693 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3249 SdHoareTripleChecker+Valid, 3298 SdHoareTripleChecker+Invalid, 2704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:17,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3249 Valid, 3298 Invalid, 2704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2693 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:07:17,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:07:17,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:07:17,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.396584440227704) internal successors, (1472), 1082 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:17,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1472 transitions. [2023-12-25 11:07:17,111 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1472 transitions. Word has length 111 [2023-12-25 11:07:17,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:17,111 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1472 transitions. [2023-12-25 11:07:17,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:17,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1472 transitions. [2023-12-25 11:07:17,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-25 11:07:17,112 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:17,112 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] [2023-12-25 11:07:17,117 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 (24)] Forceful destruction successful, exit code 0 [2023-12-25 11:07:17,313 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 11:07:17,313 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 11:07:17,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:17,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1161342119, now seen corresponding path program 1 times [2023-12-25 11:07:17,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:17,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [192427605] [2023-12-25 11:07:17,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:17,314 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 11:07:17,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:17,316 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 11:07:17,349 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 11:07:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:17,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:17,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:18,272 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 11:07:18,272 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:18,272 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:18,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [192427605] [2023-12-25 11:07:18,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [192427605] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:18,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:18,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:18,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751630807] [2023-12-25 11:07:18,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:18,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:18,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:18,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:18,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:18,274 INFO L87 Difference]: Start difference. First operand 1083 states and 1472 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:21,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:21,320 INFO L93 Difference]: Finished difference Result 1275 states and 1753 transitions. [2023-12-25 11:07:21,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:21,320 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2023-12-25 11:07:21,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:21,323 INFO L225 Difference]: With dead ends: 1275 [2023-12-25 11:07:21,324 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:07:21,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 104 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 11:07:21,325 INFO L413 NwaCegarLoop]: 877 mSDtfsCounter, 3247 mSDsluCounter, 2421 mSDsCounter, 0 mSdLazyCounter, 2689 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3247 SdHoareTripleChecker+Valid, 3298 SdHoareTripleChecker+Invalid, 2700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:21,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3247 Valid, 3298 Invalid, 2700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2689 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:07:21,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:07:21,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:07:21,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3956356736242885) internal successors, (1471), 1082 states have internal predecessors, (1471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:21,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1471 transitions. [2023-12-25 11:07:21,337 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1471 transitions. Word has length 111 [2023-12-25 11:07:21,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:21,337 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1471 transitions. [2023-12-25 11:07:21,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:21,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1471 transitions. [2023-12-25 11:07:21,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-25 11:07:21,338 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:21,339 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] [2023-12-25 11:07:21,344 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 11:07:21,543 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 11:07:21,544 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:21,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:21,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1589926345, now seen corresponding path program 1 times [2023-12-25 11:07:21,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:21,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1867819115] [2023-12-25 11:07:21,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:21,545 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 11:07:21,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:21,546 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 11:07:21,579 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 11:07:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:21,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:21,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:22,515 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 11:07:22,515 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:22,515 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:22,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1867819115] [2023-12-25 11:07:22,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1867819115] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:22,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:22,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:22,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32065068] [2023-12-25 11:07:22,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:22,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:22,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:22,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:22,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:22,516 INFO L87 Difference]: Start difference. First operand 1083 states and 1471 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:25,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:25,391 INFO L93 Difference]: Finished difference Result 1273 states and 1750 transitions. [2023-12-25 11:07:25,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:25,392 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2023-12-25 11:07:25,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:25,394 INFO L225 Difference]: With dead ends: 1273 [2023-12-25 11:07:25,394 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:07:25,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 104 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 11:07:25,394 INFO L413 NwaCegarLoop]: 868 mSDtfsCounter, 4658 mSDsluCounter, 2408 mSDsCounter, 0 mSdLazyCounter, 2667 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4658 SdHoareTripleChecker+Valid, 3276 SdHoareTripleChecker+Invalid, 2678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:25,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4658 Valid, 3276 Invalid, 2678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2667 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:07:25,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:07:25,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:07:25,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.394686907020873) internal successors, (1470), 1082 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:25,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1470 transitions. [2023-12-25 11:07:25,403 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1470 transitions. Word has length 111 [2023-12-25 11:07:25,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:25,403 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1470 transitions. [2023-12-25 11:07:25,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:25,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1470 transitions. [2023-12-25 11:07:25,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-25 11:07:25,405 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:25,405 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] [2023-12-25 11:07:25,411 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 (26)] Ended with exit code 0 [2023-12-25 11:07:25,605 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 11:07:25,605 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:25,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:25,606 INFO L85 PathProgramCache]: Analyzing trace with hash -23493687, now seen corresponding path program 1 times [2023-12-25 11:07:25,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:25,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [720070876] [2023-12-25 11:07:25,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:25,606 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 11:07:25,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:25,607 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 11:07:25,633 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 11:07:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:25,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:25,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:26,449 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 11:07:26,449 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:26,450 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:26,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [720070876] [2023-12-25 11:07:26,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [720070876] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:26,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:26,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:26,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779216708] [2023-12-25 11:07:26,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:26,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:26,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:26,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:26,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:26,451 INFO L87 Difference]: Start difference. First operand 1083 states and 1470 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:29,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:29,488 INFO L93 Difference]: Finished difference Result 1319 states and 1803 transitions. [2023-12-25 11:07:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:29,488 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2023-12-25 11:07:29,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:29,490 INFO L225 Difference]: With dead ends: 1319 [2023-12-25 11:07:29,490 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:07:29,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 104 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 11:07:29,491 INFO L413 NwaCegarLoop]: 889 mSDtfsCounter, 3285 mSDsluCounter, 2417 mSDsCounter, 0 mSdLazyCounter, 2634 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3285 SdHoareTripleChecker+Valid, 3306 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 11:07:29,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3285 Valid, 3306 Invalid, 2641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2634 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:07:29,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:07:29,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:07:29,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3937381404174574) internal successors, (1469), 1082 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:29,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1469 transitions. [2023-12-25 11:07:29,500 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1469 transitions. Word has length 111 [2023-12-25 11:07:29,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:29,500 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1469 transitions. [2023-12-25 11:07:29,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:29,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1469 transitions. [2023-12-25 11:07:29,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-25 11:07:29,501 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:29,501 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] [2023-12-25 11:07:29,508 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 (27)] Forceful destruction successful, exit code 0 [2023-12-25 11:07:29,708 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 11:07:29,708 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:29,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:29,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1856015251, now seen corresponding path program 1 times [2023-12-25 11:07:29,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:29,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [189985510] [2023-12-25 11:07:29,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:29,709 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 11:07:29,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:29,710 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 11:07:29,712 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 11:07:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:30,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:30,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:30,548 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 11:07:30,548 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:30,548 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:30,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [189985510] [2023-12-25 11:07:30,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [189985510] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:30,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:30,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:30,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748575773] [2023-12-25 11:07:30,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:30,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:30,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:30,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:30,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:30,549 INFO L87 Difference]: Start difference. First operand 1083 states and 1469 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:33,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:33,475 INFO L93 Difference]: Finished difference Result 1280 states and 1754 transitions. [2023-12-25 11:07:33,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:33,476 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2023-12-25 11:07:33,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:33,477 INFO L225 Difference]: With dead ends: 1280 [2023-12-25 11:07:33,477 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:07:33,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 104 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 11:07:33,479 INFO L413 NwaCegarLoop]: 877 mSDtfsCounter, 3245 mSDsluCounter, 2419 mSDsCounter, 0 mSdLazyCounter, 2674 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3245 SdHoareTripleChecker+Valid, 3296 SdHoareTripleChecker+Invalid, 2685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:33,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3245 Valid, 3296 Invalid, 2685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2674 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:07:33,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:07:33,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:07:33,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3927893738140418) internal successors, (1468), 1082 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:33,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1468 transitions. [2023-12-25 11:07:33,494 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1468 transitions. Word has length 111 [2023-12-25 11:07:33,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:33,495 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1468 transitions. [2023-12-25 11:07:33,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:33,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1468 transitions. [2023-12-25 11:07:33,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-25 11:07:33,496 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:33,496 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] [2023-12-25 11:07:33,502 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 (28)] Ended with exit code 0 [2023-12-25 11:07:33,700 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 11:07:33,700 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:33,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:33,701 INFO L85 PathProgramCache]: Analyzing trace with hash 178520325, now seen corresponding path program 1 times [2023-12-25 11:07:33,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:33,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1511186406] [2023-12-25 11:07:33,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:33,701 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 11:07:33,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:33,702 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 11:07:33,703 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 11:07:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:34,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:34,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:34,559 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 11:07:34,560 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:34,560 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:34,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1511186406] [2023-12-25 11:07:34,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1511186406] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:34,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:34,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:34,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470489457] [2023-12-25 11:07:34,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:34,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:34,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:34,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:34,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:34,561 INFO L87 Difference]: Start difference. First operand 1083 states and 1468 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:37,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:37,529 INFO L93 Difference]: Finished difference Result 1280 states and 1753 transitions. [2023-12-25 11:07:37,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:37,530 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2023-12-25 11:07:37,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:37,532 INFO L225 Difference]: With dead ends: 1280 [2023-12-25 11:07:37,532 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:07:37,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 104 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 11:07:37,532 INFO L413 NwaCegarLoop]: 877 mSDtfsCounter, 4610 mSDsluCounter, 2419 mSDsCounter, 0 mSdLazyCounter, 2670 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4610 SdHoareTripleChecker+Valid, 3296 SdHoareTripleChecker+Invalid, 2681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:37,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4610 Valid, 3296 Invalid, 2681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2670 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:07:37,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:07:37,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:07:37,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3918406072106262) internal successors, (1467), 1082 states have internal predecessors, (1467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:37,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1467 transitions. [2023-12-25 11:07:37,543 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1467 transitions. Word has length 111 [2023-12-25 11:07:37,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:37,543 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1467 transitions. [2023-12-25 11:07:37,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:37,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1467 transitions. [2023-12-25 11:07:37,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-25 11:07:37,545 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:37,545 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] [2023-12-25 11:07:37,549 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 (29)] Forceful destruction successful, exit code 0 [2023-12-25 11:07:37,749 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 11:07:37,749 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:37,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:37,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1739636962, now seen corresponding path program 1 times [2023-12-25 11:07:37,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:37,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1940267671] [2023-12-25 11:07:37,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:37,750 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 11:07:37,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:37,751 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 11:07:37,752 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 11:07:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:38,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:38,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:38,585 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 11:07:38,586 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:38,586 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:38,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1940267671] [2023-12-25 11:07:38,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1940267671] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:38,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:38,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:38,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925056290] [2023-12-25 11:07:38,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:38,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:38,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:38,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:38,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:38,587 INFO L87 Difference]: Start difference. First operand 1083 states and 1467 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:41,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:41,606 INFO L93 Difference]: Finished difference Result 1275 states and 1748 transitions. [2023-12-25 11:07:41,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:41,606 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2023-12-25 11:07:41,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:41,608 INFO L225 Difference]: With dead ends: 1275 [2023-12-25 11:07:41,608 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:07:41,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 104 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 11:07:41,609 INFO L413 NwaCegarLoop]: 877 mSDtfsCounter, 3236 mSDsluCounter, 2421 mSDsCounter, 0 mSdLazyCounter, 2670 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3236 SdHoareTripleChecker+Valid, 3298 SdHoareTripleChecker+Invalid, 2681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:41,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3236 Valid, 3298 Invalid, 2681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2670 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:07:41,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:07:41,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:07:41,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3908918406072106) internal successors, (1466), 1082 states have internal predecessors, (1466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:41,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1466 transitions. [2023-12-25 11:07:41,617 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1466 transitions. Word has length 111 [2023-12-25 11:07:41,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:41,617 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1466 transitions. [2023-12-25 11:07:41,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:41,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1466 transitions. [2023-12-25 11:07:41,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-25 11:07:41,619 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:41,619 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] [2023-12-25 11:07:41,627 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 11:07:41,819 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 11:07:41,819 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:41,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:41,820 INFO L85 PathProgramCache]: Analyzing trace with hash 2129832071, now seen corresponding path program 1 times [2023-12-25 11:07:41,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:41,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1296336827] [2023-12-25 11:07:41,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:41,820 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 11:07:41,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:41,821 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 11:07:41,822 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 (31)] Waiting until timeout for monitored process [2023-12-25 11:07:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:42,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:42,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:42,615 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 11:07:42,615 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:42,615 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:42,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1296336827] [2023-12-25 11:07:42,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1296336827] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:42,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:42,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:42,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696718601] [2023-12-25 11:07:42,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:42,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:42,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:42,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:42,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:42,616 INFO L87 Difference]: Start difference. First operand 1083 states and 1466 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:45,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:45,206 INFO L93 Difference]: Finished difference Result 1403 states and 1907 transitions. [2023-12-25 11:07:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:45,206 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2023-12-25 11:07:45,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:45,208 INFO L225 Difference]: With dead ends: 1403 [2023-12-25 11:07:45,208 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:07:45,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 104 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 11:07:45,209 INFO L413 NwaCegarLoop]: 848 mSDtfsCounter, 3643 mSDsluCounter, 2219 mSDsCounter, 0 mSdLazyCounter, 2399 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3643 SdHoareTripleChecker+Valid, 3067 SdHoareTripleChecker+Invalid, 2405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:45,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3643 Valid, 3067 Invalid, 2405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2399 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-25 11:07:45,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:07:45,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:07:45,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.389943074003795) internal successors, (1465), 1082 states have internal predecessors, (1465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:45,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1465 transitions. [2023-12-25 11:07:45,217 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1465 transitions. Word has length 111 [2023-12-25 11:07:45,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:45,217 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1465 transitions. [2023-12-25 11:07:45,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:45,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1465 transitions. [2023-12-25 11:07:45,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-25 11:07:45,218 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:45,218 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] [2023-12-25 11:07:45,226 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 11:07:45,427 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 11:07:45,427 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:45,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:45,427 INFO L85 PathProgramCache]: Analyzing trace with hash -523083210, now seen corresponding path program 1 times [2023-12-25 11:07:45,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:45,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [393407540] [2023-12-25 11:07:45,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:45,428 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 11:07:45,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:45,429 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 11:07:45,430 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 11:07:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:45,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:45,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:46,303 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 11:07:46,303 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:46,303 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:46,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [393407540] [2023-12-25 11:07:46,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [393407540] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:46,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:46,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:46,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443278778] [2023-12-25 11:07:46,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:46,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:46,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:46,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:46,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:46,305 INFO L87 Difference]: Start difference. First operand 1083 states and 1465 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:49,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:49,330 INFO L93 Difference]: Finished difference Result 1280 states and 1751 transitions. [2023-12-25 11:07:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:49,331 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2023-12-25 11:07:49,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:49,332 INFO L225 Difference]: With dead ends: 1280 [2023-12-25 11:07:49,332 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:07:49,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 104 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 11:07:49,333 INFO L413 NwaCegarLoop]: 877 mSDtfsCounter, 3237 mSDsluCounter, 2416 mSDsCounter, 0 mSdLazyCounter, 2661 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3237 SdHoareTripleChecker+Valid, 3293 SdHoareTripleChecker+Invalid, 2672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:49,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3237 Valid, 3293 Invalid, 2672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2661 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:07:49,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:07:49,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:07:49,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3889943074003794) internal successors, (1464), 1082 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:49,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1464 transitions. [2023-12-25 11:07:49,340 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1464 transitions. Word has length 111 [2023-12-25 11:07:49,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:49,341 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1464 transitions. [2023-12-25 11:07:49,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:49,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1464 transitions. [2023-12-25 11:07:49,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-25 11:07:49,342 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:49,342 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] [2023-12-25 11:07:49,358 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 11:07:49,546 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 11:07:49,546 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:49,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:49,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1483529920, now seen corresponding path program 1 times [2023-12-25 11:07:49,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:49,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191621101] [2023-12-25 11:07:49,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:49,547 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 11:07:49,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:49,548 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 11:07:49,548 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 11:07:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:49,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:49,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:50,370 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 11:07:50,371 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:50,371 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:50,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1191621101] [2023-12-25 11:07:50,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1191621101] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:50,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:50,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:50,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309820066] [2023-12-25 11:07:50,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:50,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:50,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:50,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:50,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:50,372 INFO L87 Difference]: Start difference. First operand 1083 states and 1464 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:53,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:53,293 INFO L93 Difference]: Finished difference Result 1319 states and 1800 transitions. [2023-12-25 11:07:53,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:53,293 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2023-12-25 11:07:53,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:53,295 INFO L225 Difference]: With dead ends: 1319 [2023-12-25 11:07:53,295 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:07:53,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 104 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 11:07:53,296 INFO L413 NwaCegarLoop]: 889 mSDtfsCounter, 3275 mSDsluCounter, 2410 mSDsCounter, 0 mSdLazyCounter, 2615 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3275 SdHoareTripleChecker+Valid, 3299 SdHoareTripleChecker+Invalid, 2622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:53,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3275 Valid, 3299 Invalid, 2622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2615 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:07:53,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:07:53,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:07:53,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3880455407969639) internal successors, (1463), 1082 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:53,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1463 transitions. [2023-12-25 11:07:53,306 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1463 transitions. Word has length 111 [2023-12-25 11:07:53,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:53,306 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1463 transitions. [2023-12-25 11:07:53,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:53,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1463 transitions. [2023-12-25 11:07:53,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:07:53,308 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:53,308 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 11:07:53,323 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 11:07:53,512 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 11:07:53,512 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:53,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:53,513 INFO L85 PathProgramCache]: Analyzing trace with hash 498012842, now seen corresponding path program 1 times [2023-12-25 11:07:53,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:53,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1075082967] [2023-12-25 11:07:53,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:53,513 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 11:07:53,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:53,514 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 11:07:53,515 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 11:07:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:53,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:53,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:54,308 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 11:07:54,308 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:54,308 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:54,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1075082967] [2023-12-25 11:07:54,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1075082967] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:54,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:54,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:54,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512028254] [2023-12-25 11:07:54,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:54,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:54,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:54,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:54,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:54,309 INFO L87 Difference]: Start difference. First operand 1083 states and 1463 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 11:07:57,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:07:57,234 INFO L93 Difference]: Finished difference Result 1289 states and 1757 transitions. [2023-12-25 11:07:57,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:07:57,234 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 11:07:57,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:07:57,236 INFO L225 Difference]: With dead ends: 1289 [2023-12-25 11:07:57,236 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:07:57,236 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 11:07:57,237 INFO L413 NwaCegarLoop]: 830 mSDtfsCounter, 3429 mSDsluCounter, 2314 mSDsCounter, 0 mSdLazyCounter, 2511 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3429 SdHoareTripleChecker+Valid, 3144 SdHoareTripleChecker+Invalid, 2523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:07:57,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3429 Valid, 3144 Invalid, 2523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2511 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:07:57,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:07:57,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:07:57,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3870967741935485) internal successors, (1462), 1082 states have internal predecessors, (1462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:07:57,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1462 transitions. [2023-12-25 11:07:57,244 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1462 transitions. Word has length 113 [2023-12-25 11:07:57,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:07:57,245 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1462 transitions. [2023-12-25 11:07:57,245 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 11:07:57,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1462 transitions. [2023-12-25 11:07:57,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:07:57,246 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:07:57,246 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, 1, 1, 1] [2023-12-25 11:07:57,250 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 (34)] Forceful destruction successful, exit code 0 [2023-12-25 11:07:57,450 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 11:07:57,450 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:07:57,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:07:57,451 INFO L85 PathProgramCache]: Analyzing trace with hash 89167614, now seen corresponding path program 1 times [2023-12-25 11:07:57,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:07:57,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1176487676] [2023-12-25 11:07:57,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:07:57,451 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 11:07:57,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:07:57,452 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 11:07:57,456 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 11:07:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:07:57,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:07:57,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:07:58,359 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 11:07:58,359 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:07:58,359 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:07:58,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1176487676] [2023-12-25 11:07:58,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1176487676] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:07:58,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:07:58,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:07:58,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784562358] [2023-12-25 11:07:58,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:07:58,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:07:58,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:07:58,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:07:58,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:07:58,360 INFO L87 Difference]: Start difference. First operand 1083 states and 1462 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 11:08:01,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:01,374 INFO L93 Difference]: Finished difference Result 1267 states and 1729 transitions. [2023-12-25 11:08:01,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:01,375 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 11:08:01,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:01,376 INFO L225 Difference]: With dead ends: 1267 [2023-12-25 11:08:01,376 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:08:01,377 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 11:08:01,377 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 3305 mSDsluCounter, 2333 mSDsCounter, 0 mSdLazyCounter, 2673 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3305 SdHoareTripleChecker+Valid, 3186 SdHoareTripleChecker+Invalid, 2692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:01,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3305 Valid, 3186 Invalid, 2692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2673 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:08:01,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:08:01,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:08:01,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.386148007590133) internal successors, (1461), 1082 states have internal predecessors, (1461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:01,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1461 transitions. [2023-12-25 11:08:01,405 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1461 transitions. Word has length 113 [2023-12-25 11:08:01,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:01,405 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1461 transitions. [2023-12-25 11:08:01,406 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 11:08:01,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1461 transitions. [2023-12-25 11:08:01,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:08:01,407 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:01,407 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 11:08:01,425 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 11:08:01,611 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 11:08:01,612 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:08:01,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:01,612 INFO L85 PathProgramCache]: Analyzing trace with hash 457269789, now seen corresponding path program 1 times [2023-12-25 11:08:01,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:01,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1365631226] [2023-12-25 11:08:01,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:01,613 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 11:08:01,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:01,614 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 11:08:01,615 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 11:08:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:01,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:01,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:02,501 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 11:08:02,501 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:02,501 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:02,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1365631226] [2023-12-25 11:08:02,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1365631226] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:02,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:02,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:02,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248577426] [2023-12-25 11:08:02,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:02,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:02,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:02,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:02,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:02,503 INFO L87 Difference]: Start difference. First operand 1083 states and 1461 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 11:08:05,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:05,587 INFO L93 Difference]: Finished difference Result 1267 states and 1728 transitions. [2023-12-25 11:08:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:05,588 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 11:08:05,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:05,589 INFO L225 Difference]: With dead ends: 1267 [2023-12-25 11:08:05,590 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:08:05,590 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 11:08:05,590 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 3303 mSDsluCounter, 2333 mSDsCounter, 0 mSdLazyCounter, 2669 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3303 SdHoareTripleChecker+Valid, 3186 SdHoareTripleChecker+Invalid, 2688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:05,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3303 Valid, 3186 Invalid, 2688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2669 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:08:05,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:08:05,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:08:05,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3851992409867173) internal successors, (1460), 1082 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:05,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1460 transitions. [2023-12-25 11:08:05,599 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1460 transitions. Word has length 113 [2023-12-25 11:08:05,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:05,599 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1460 transitions. [2023-12-25 11:08:05,599 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 11:08:05,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1460 transitions. [2023-12-25 11:08:05,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:08:05,600 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:05,600 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 11:08:05,605 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 11:08:05,805 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 11:08:05,806 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 11:08:05,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:05,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1092664937, now seen corresponding path program 1 times [2023-12-25 11:08:05,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:05,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1514308469] [2023-12-25 11:08:05,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:05,806 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 11:08:05,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:05,808 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 11:08:05,809 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 11:08:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:06,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:06,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:06,620 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 11:08:06,620 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:06,620 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:06,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1514308469] [2023-12-25 11:08:06,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1514308469] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:06,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:06,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:06,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226532865] [2023-12-25 11:08:06,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:06,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:06,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:06,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:06,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:06,621 INFO L87 Difference]: Start difference. First operand 1083 states and 1460 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 11:08:09,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:09,585 INFO L93 Difference]: Finished difference Result 1263 states and 1723 transitions. [2023-12-25 11:08:09,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:09,586 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 11:08:09,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:09,587 INFO L225 Difference]: With dead ends: 1263 [2023-12-25 11:08:09,587 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:08:09,588 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 11:08:09,588 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 3297 mSDsluCounter, 2336 mSDsCounter, 0 mSdLazyCounter, 2667 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3297 SdHoareTripleChecker+Valid, 3189 SdHoareTripleChecker+Invalid, 2686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:09,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3297 Valid, 3189 Invalid, 2686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2667 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:08:09,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:08:09,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:08:09,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3842504743833017) internal successors, (1459), 1082 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:09,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1459 transitions. [2023-12-25 11:08:09,595 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1459 transitions. Word has length 113 [2023-12-25 11:08:09,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:09,595 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1459 transitions. [2023-12-25 11:08:09,595 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 11:08:09,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1459 transitions. [2023-12-25 11:08:09,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:08:09,597 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:09,597 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 11:08:09,603 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 11:08:09,801 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 11:08:09,801 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 11:08:09,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:09,801 INFO L85 PathProgramCache]: Analyzing trace with hash -367433408, now seen corresponding path program 1 times [2023-12-25 11:08:09,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:09,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [334771790] [2023-12-25 11:08:09,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:09,802 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 11:08:09,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:09,803 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 11:08:09,838 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 11:08:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:10,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:10,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:10,656 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 11:08:10,656 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:10,656 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:10,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [334771790] [2023-12-25 11:08:10,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [334771790] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:10,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:10,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:10,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135284135] [2023-12-25 11:08:10,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:10,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:10,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:10,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:10,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:10,657 INFO L87 Difference]: Start difference. First operand 1083 states and 1459 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 11:08:13,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:13,808 INFO L93 Difference]: Finished difference Result 1263 states and 1722 transitions. [2023-12-25 11:08:13,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:13,809 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 11:08:13,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:13,810 INFO L225 Difference]: With dead ends: 1263 [2023-12-25 11:08:13,810 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:08:13,811 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 11:08:13,811 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 4418 mSDsluCounter, 2336 mSDsCounter, 0 mSdLazyCounter, 2663 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4418 SdHoareTripleChecker+Valid, 3189 SdHoareTripleChecker+Invalid, 2682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:13,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4418 Valid, 3189 Invalid, 2682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2663 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:08:13,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:08:13,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:08:13,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3833017077798861) internal successors, (1458), 1082 states have internal predecessors, (1458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:13,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1458 transitions. [2023-12-25 11:08:13,819 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1458 transitions. Word has length 113 [2023-12-25 11:08:13,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:13,819 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1458 transitions. [2023-12-25 11:08:13,819 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 11:08:13,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1458 transitions. [2023-12-25 11:08:13,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:08:13,820 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:13,821 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 11:08:13,826 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 (38)] Ended with exit code 0 [2023-12-25 11:08:14,021 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 11:08:14,021 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:08:14,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:14,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1002611089, now seen corresponding path program 1 times [2023-12-25 11:08:14,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:14,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [762606219] [2023-12-25 11:08:14,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:14,022 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 11:08:14,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:14,023 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 11:08:14,024 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 11:08:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:14,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:14,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:14,873 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 11:08:14,873 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:14,873 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:14,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [762606219] [2023-12-25 11:08:14,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [762606219] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:14,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:14,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:14,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106630681] [2023-12-25 11:08:14,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:14,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:14,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:14,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:14,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:14,876 INFO L87 Difference]: Start difference. First operand 1083 states and 1458 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 11:08:17,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:17,938 INFO L93 Difference]: Finished difference Result 1267 states and 1725 transitions. [2023-12-25 11:08:17,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:17,938 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 11:08:17,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:17,940 INFO L225 Difference]: With dead ends: 1267 [2023-12-25 11:08:17,940 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:08:17,940 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 11:08:17,941 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 3297 mSDsluCounter, 2333 mSDsCounter, 0 mSdLazyCounter, 2657 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3297 SdHoareTripleChecker+Valid, 3186 SdHoareTripleChecker+Invalid, 2676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:17,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3297 Valid, 3186 Invalid, 2676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2657 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:08:17,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:08:17,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:08:17,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3823529411764706) internal successors, (1457), 1082 states have internal predecessors, (1457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:17,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1457 transitions. [2023-12-25 11:08:17,948 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1457 transitions. Word has length 113 [2023-12-25 11:08:17,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:17,948 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1457 transitions. [2023-12-25 11:08:17,948 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 11:08:17,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1457 transitions. [2023-12-25 11:08:17,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:08:17,949 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:17,949 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 11:08:17,954 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 (39)] Ended with exit code 0 [2023-12-25 11:08:18,150 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 11:08:18,150 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 11:08:18,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:18,151 INFO L85 PathProgramCache]: Analyzing trace with hash -166549948, now seen corresponding path program 1 times [2023-12-25 11:08:18,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:18,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [820403107] [2023-12-25 11:08:18,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:18,151 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 11:08:18,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:18,152 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 11:08:18,153 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 11:08:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:18,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:18,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:19,006 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 11:08:19,007 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:19,007 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:19,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [820403107] [2023-12-25 11:08:19,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [820403107] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:19,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:19,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:19,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794583121] [2023-12-25 11:08:19,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:19,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:19,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:19,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:19,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:19,008 INFO L87 Difference]: Start difference. First operand 1083 states and 1457 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 11:08:21,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:21,998 INFO L93 Difference]: Finished difference Result 1263 states and 1720 transitions. [2023-12-25 11:08:21,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:21,998 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 11:08:21,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:22,000 INFO L225 Difference]: With dead ends: 1263 [2023-12-25 11:08:22,000 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:08:22,000 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 11:08:22,001 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 3291 mSDsluCounter, 2336 mSDsCounter, 0 mSdLazyCounter, 2655 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3291 SdHoareTripleChecker+Valid, 3189 SdHoareTripleChecker+Invalid, 2674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:22,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3291 Valid, 3189 Invalid, 2674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2655 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:08:22,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:08:22,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:08:22,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.381404174573055) internal successors, (1456), 1082 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:22,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1456 transitions. [2023-12-25 11:08:22,008 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1456 transitions. Word has length 113 [2023-12-25 11:08:22,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:22,008 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1456 transitions. [2023-12-25 11:08:22,008 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 11:08:22,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1456 transitions. [2023-12-25 11:08:22,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:08:22,009 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:22,010 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 11:08:22,018 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 11:08:22,219 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 11:08:22,219 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:08:22,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:22,220 INFO L85 PathProgramCache]: Analyzing trace with hash 76277264, now seen corresponding path program 1 times [2023-12-25 11:08:22,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:22,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1084088173] [2023-12-25 11:08:22,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:22,220 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 11:08:22,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:22,221 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 11:08:22,222 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 11:08:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:22,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:22,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:23,003 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 11:08:23,003 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:23,003 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:23,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1084088173] [2023-12-25 11:08:23,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1084088173] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:23,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:23,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:23,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794408328] [2023-12-25 11:08:23,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:23,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:23,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:23,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:23,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:23,004 INFO L87 Difference]: Start difference. First operand 1083 states and 1456 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 11:08:26,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:26,028 INFO L93 Difference]: Finished difference Result 1263 states and 1719 transitions. [2023-12-25 11:08:26,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:26,028 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 11:08:26,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:26,030 INFO L225 Difference]: With dead ends: 1263 [2023-12-25 11:08:26,030 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:08:26,030 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 11:08:26,031 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 4614 mSDsluCounter, 2337 mSDsCounter, 0 mSdLazyCounter, 2650 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4614 SdHoareTripleChecker+Valid, 3190 SdHoareTripleChecker+Invalid, 2669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:26,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4614 Valid, 3190 Invalid, 2669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2650 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:08:26,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:08:26,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:08:26,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3804554079696394) internal successors, (1455), 1082 states have internal predecessors, (1455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:26,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1455 transitions. [2023-12-25 11:08:26,038 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1455 transitions. Word has length 113 [2023-12-25 11:08:26,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:26,039 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1455 transitions. [2023-12-25 11:08:26,039 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 11:08:26,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1455 transitions. [2023-12-25 11:08:26,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:08:26,040 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:26,040 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 11:08:26,060 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 11:08:26,244 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 11:08:26,244 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:08:26,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:26,245 INFO L85 PathProgramCache]: Analyzing trace with hash -558489315, now seen corresponding path program 1 times [2023-12-25 11:08:26,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:26,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [317992536] [2023-12-25 11:08:26,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:26,245 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 11:08:26,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:26,246 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 11:08:26,248 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 11:08:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:26,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:26,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:27,109 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 11:08:27,109 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:27,109 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:27,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [317992536] [2023-12-25 11:08:27,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [317992536] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:27,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:27,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:27,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590512692] [2023-12-25 11:08:27,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:27,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:27,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:27,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:27,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:27,111 INFO L87 Difference]: Start difference. First operand 1083 states and 1455 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 11:08:30,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:30,052 INFO L93 Difference]: Finished difference Result 1267 states and 1721 transitions. [2023-12-25 11:08:30,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:30,052 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 11:08:30,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:30,054 INFO L225 Difference]: With dead ends: 1267 [2023-12-25 11:08:30,054 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:08:30,054 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 11:08:30,055 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 3290 mSDsluCounter, 2335 mSDsCounter, 0 mSdLazyCounter, 2644 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3290 SdHoareTripleChecker+Valid, 3188 SdHoareTripleChecker+Invalid, 2663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:30,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3290 Valid, 3188 Invalid, 2663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2644 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:08:30,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:08:30,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:08:30,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3795066413662238) internal successors, (1454), 1082 states have internal predecessors, (1454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:30,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1454 transitions. [2023-12-25 11:08:30,062 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1454 transitions. Word has length 113 [2023-12-25 11:08:30,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:30,062 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1454 transitions. [2023-12-25 11:08:30,063 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 11:08:30,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1454 transitions. [2023-12-25 11:08:30,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:08:30,064 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:30,064 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 11:08:30,070 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 11:08:30,270 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 11:08:30,270 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:08:30,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:30,271 INFO L85 PathProgramCache]: Analyzing trace with hash 277160724, now seen corresponding path program 1 times [2023-12-25 11:08:30,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:30,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2121042361] [2023-12-25 11:08:30,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:30,271 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 11:08:30,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:30,277 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 11:08:30,278 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 11:08:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:30,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:30,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:31,068 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 11:08:31,069 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:31,069 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:31,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2121042361] [2023-12-25 11:08:31,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2121042361] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:31,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:31,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:31,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313005908] [2023-12-25 11:08:31,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:31,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:31,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:31,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:31,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:31,071 INFO L87 Difference]: Start difference. First operand 1083 states and 1454 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 11:08:34,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:34,098 INFO L93 Difference]: Finished difference Result 1263 states and 1717 transitions. [2023-12-25 11:08:34,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:34,099 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 11:08:34,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:34,101 INFO L225 Difference]: With dead ends: 1263 [2023-12-25 11:08:34,101 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:08:34,101 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 11:08:34,101 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 3285 mSDsluCounter, 2337 mSDsCounter, 0 mSdLazyCounter, 2642 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3285 SdHoareTripleChecker+Valid, 3190 SdHoareTripleChecker+Invalid, 2661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:34,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3285 Valid, 3190 Invalid, 2661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2642 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:08:34,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:08:34,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:08:34,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3785578747628084) internal successors, (1453), 1082 states have internal predecessors, (1453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:34,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1453 transitions. [2023-12-25 11:08:34,113 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1453 transitions. Word has length 113 [2023-12-25 11:08:34,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:34,113 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1453 transitions. [2023-12-25 11:08:34,113 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 11:08:34,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1453 transitions. [2023-12-25 11:08:34,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:08:34,114 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:34,114 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 11:08:34,118 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 (43)] Ended with exit code 0 [2023-12-25 11:08:34,318 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 11:08:34,318 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 11:08:34,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:34,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1104510179, now seen corresponding path program 1 times [2023-12-25 11:08:34,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:34,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [63566546] [2023-12-25 11:08:34,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:34,319 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 11:08:34,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:34,320 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 11:08:34,323 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 11:08:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:34,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:34,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:35,194 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 11:08:35,195 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:35,195 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:35,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [63566546] [2023-12-25 11:08:35,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [63566546] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:35,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:35,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:35,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290312984] [2023-12-25 11:08:35,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:35,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:35,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:35,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:35,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:35,198 INFO L87 Difference]: Start difference. First operand 1083 states and 1453 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 11:08:38,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:38,246 INFO L93 Difference]: Finished difference Result 1262 states and 1715 transitions. [2023-12-25 11:08:38,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:38,246 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 11:08:38,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:38,253 INFO L225 Difference]: With dead ends: 1262 [2023-12-25 11:08:38,253 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:08:38,254 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 11:08:38,254 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 3282 mSDsluCounter, 2337 mSDsCounter, 0 mSdLazyCounter, 2640 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3282 SdHoareTripleChecker+Valid, 3190 SdHoareTripleChecker+Invalid, 2659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:38,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3282 Valid, 3190 Invalid, 2659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2640 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:08:38,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:08:38,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:08:38,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3776091081593929) internal successors, (1452), 1082 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:38,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1452 transitions. [2023-12-25 11:08:38,262 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1452 transitions. Word has length 113 [2023-12-25 11:08:38,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:38,262 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1452 transitions. [2023-12-25 11:08:38,262 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 11:08:38,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1452 transitions. [2023-12-25 11:08:38,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:08:38,263 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:38,263 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 11:08:38,279 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 (44)] Forceful destruction successful, exit code 0 [2023-12-25 11:08:38,468 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 11:08:38,468 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 11:08:38,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:38,468 INFO L85 PathProgramCache]: Analyzing trace with hash -163676312, now seen corresponding path program 1 times [2023-12-25 11:08:38,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:38,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2112721731] [2023-12-25 11:08:38,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:38,469 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 11:08:38,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:38,485 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 11:08:38,527 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 11:08:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:38,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:38,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:39,355 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 11:08:39,355 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:39,355 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:39,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2112721731] [2023-12-25 11:08:39,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2112721731] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:39,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:39,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:39,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905944354] [2023-12-25 11:08:39,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:39,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:39,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:39,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:39,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:39,356 INFO L87 Difference]: Start difference. First operand 1083 states and 1452 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 11:08:42,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:42,288 INFO L93 Difference]: Finished difference Result 1263 states and 1715 transitions. [2023-12-25 11:08:42,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:42,289 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 11:08:42,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:42,290 INFO L225 Difference]: With dead ends: 1263 [2023-12-25 11:08:42,290 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:08:42,290 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 11:08:42,291 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 3281 mSDsluCounter, 2337 mSDsCounter, 0 mSdLazyCounter, 2634 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3281 SdHoareTripleChecker+Valid, 3190 SdHoareTripleChecker+Invalid, 2653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:42,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3281 Valid, 3190 Invalid, 2653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2634 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:08:42,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:08:42,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:08:42,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3766603415559773) internal successors, (1451), 1082 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:42,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1451 transitions. [2023-12-25 11:08:42,298 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1451 transitions. Word has length 113 [2023-12-25 11:08:42,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:42,298 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1451 transitions. [2023-12-25 11:08:42,298 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 11:08:42,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1451 transitions. [2023-12-25 11:08:42,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:08:42,299 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:42,299 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 11:08:42,304 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 (45)] Ended with exit code 0 [2023-12-25 11:08:42,503 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 11:08:42,503 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:08:42,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:42,503 INFO L85 PathProgramCache]: Analyzing trace with hash -809939846, now seen corresponding path program 1 times [2023-12-25 11:08:42,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:42,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [139646983] [2023-12-25 11:08:42,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:42,504 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 11:08:42,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:42,505 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 11:08:42,510 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 (46)] Waiting until timeout for monitored process [2023-12-25 11:08:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:42,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:42,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:43,366 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 11:08:43,367 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:43,367 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:43,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [139646983] [2023-12-25 11:08:43,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [139646983] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:43,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:43,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:43,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011132053] [2023-12-25 11:08:43,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:43,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:43,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:43,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:43,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:43,368 INFO L87 Difference]: Start difference. First operand 1083 states and 1451 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 11:08:46,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:46,268 INFO L93 Difference]: Finished difference Result 1262 states and 1713 transitions. [2023-12-25 11:08:46,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:46,269 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 11:08:46,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:46,270 INFO L225 Difference]: With dead ends: 1262 [2023-12-25 11:08:46,270 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:08:46,271 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 11:08:46,271 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 3278 mSDsluCounter, 2337 mSDsCounter, 0 mSdLazyCounter, 2632 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3278 SdHoareTripleChecker+Valid, 3190 SdHoareTripleChecker+Invalid, 2651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:46,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3278 Valid, 3190 Invalid, 2651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2632 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:08:46,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:08:46,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:08:46,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3757115749525617) internal successors, (1450), 1082 states have internal predecessors, (1450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:46,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1450 transitions. [2023-12-25 11:08:46,279 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1450 transitions. Word has length 113 [2023-12-25 11:08:46,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:46,279 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1450 transitions. [2023-12-25 11:08:46,279 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 11:08:46,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1450 transitions. [2023-12-25 11:08:46,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:08:46,280 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:46,280 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 11:08:46,303 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 11:08:46,484 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 11:08:46,485 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 11:08:46,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:46,485 INFO L85 PathProgramCache]: Analyzing trace with hash 22328903, now seen corresponding path program 1 times [2023-12-25 11:08:46,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:46,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1335825945] [2023-12-25 11:08:46,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:46,486 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 11:08:46,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:46,487 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 11:08:46,503 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 11:08:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:46,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:46,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:47,354 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 11:08:47,354 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:47,354 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:47,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1335825945] [2023-12-25 11:08:47,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1335825945] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:47,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:47,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:47,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422413407] [2023-12-25 11:08:47,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:47,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:47,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:47,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:47,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:47,355 INFO L87 Difference]: Start difference. First operand 1083 states and 1450 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 11:08:50,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:50,332 INFO L93 Difference]: Finished difference Result 1262 states and 1712 transitions. [2023-12-25 11:08:50,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:50,333 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 11:08:50,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:50,335 INFO L225 Difference]: With dead ends: 1262 [2023-12-25 11:08:50,335 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:08:50,335 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 11:08:50,336 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 3276 mSDsluCounter, 2337 mSDsCounter, 0 mSdLazyCounter, 2628 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3276 SdHoareTripleChecker+Valid, 3190 SdHoareTripleChecker+Invalid, 2647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:50,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3276 Valid, 3190 Invalid, 2647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2628 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:08:50,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:08:50,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:08:50,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.374762808349146) internal successors, (1449), 1082 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:50,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1449 transitions. [2023-12-25 11:08:50,343 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1449 transitions. Word has length 113 [2023-12-25 11:08:50,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:50,343 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1449 transitions. [2023-12-25 11:08:50,343 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 11:08:50,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1449 transitions. [2023-12-25 11:08:50,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:08:50,359 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:50,359 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 11:08:50,366 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 11:08:50,560 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 11:08:50,560 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:08:50,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:50,560 INFO L85 PathProgramCache]: Analyzing trace with hash 713173466, now seen corresponding path program 1 times [2023-12-25 11:08:50,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:50,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [133119612] [2023-12-25 11:08:50,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:50,561 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 11:08:50,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:50,562 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 11:08:50,563 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 11:08:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:50,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:50,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:51,433 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 11:08:51,433 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:51,433 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:51,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [133119612] [2023-12-25 11:08:51,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [133119612] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:51,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:51,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:51,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639752156] [2023-12-25 11:08:51,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:51,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:51,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:51,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:51,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:51,434 INFO L87 Difference]: Start difference. First operand 1083 states and 1449 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 11:08:54,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:54,495 INFO L93 Difference]: Finished difference Result 1267 states and 1715 transitions. [2023-12-25 11:08:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:54,495 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 11:08:54,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:54,496 INFO L225 Difference]: With dead ends: 1267 [2023-12-25 11:08:54,496 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:08:54,497 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 11:08:54,497 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 4391 mSDsluCounter, 2335 mSDsCounter, 0 mSdLazyCounter, 2620 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4391 SdHoareTripleChecker+Valid, 3188 SdHoareTripleChecker+Invalid, 2639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:54,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4391 Valid, 3188 Invalid, 2639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2620 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:08:54,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:08:54,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:08:54,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3738140417457305) internal successors, (1448), 1082 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:54,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1448 transitions. [2023-12-25 11:08:54,504 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1448 transitions. Word has length 113 [2023-12-25 11:08:54,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:54,504 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1448 transitions. [2023-12-25 11:08:54,504 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 11:08:54,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1448 transitions. [2023-12-25 11:08:54,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:08:54,505 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:54,505 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 11:08:54,509 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 11:08:54,709 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 11:08:54,709 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:08:54,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:54,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1349460328, now seen corresponding path program 1 times [2023-12-25 11:08:54,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:54,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1034326938] [2023-12-25 11:08:54,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:54,710 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 11:08:54,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:54,711 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 11:08:54,712 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 11:08:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:55,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:55,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:55,589 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 11:08:55,589 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:55,589 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:55,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1034326938] [2023-12-25 11:08:55,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1034326938] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:55,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:55,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:55,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647077385] [2023-12-25 11:08:55,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:55,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:55,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:55,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:55,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:55,590 INFO L87 Difference]: Start difference. First operand 1083 states and 1448 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 11:08:58,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:08:58,596 INFO L93 Difference]: Finished difference Result 1263 states and 1711 transitions. [2023-12-25 11:08:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:08:58,597 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 11:08:58,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:08:58,598 INFO L225 Difference]: With dead ends: 1263 [2023-12-25 11:08:58,598 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:08:58,598 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 11:08:58,599 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 4616 mSDsluCounter, 2337 mSDsCounter, 0 mSdLazyCounter, 2618 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4616 SdHoareTripleChecker+Valid, 3190 SdHoareTripleChecker+Invalid, 2637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:08:58,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4616 Valid, 3190 Invalid, 2637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2618 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:08:58,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:08:58,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:08:58,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.372865275142315) internal successors, (1447), 1082 states have internal predecessors, (1447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:08:58,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1447 transitions. [2023-12-25 11:08:58,606 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1447 transitions. Word has length 113 [2023-12-25 11:08:58,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:08:58,606 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1447 transitions. [2023-12-25 11:08:58,606 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 11:08:58,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1447 transitions. [2023-12-25 11:08:58,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:08:58,608 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:08:58,608 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, 1] [2023-12-25 11:08:58,612 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 11:08:58,808 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 11:08:58,809 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:08:58,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:08:58,809 INFO L85 PathProgramCache]: Analyzing trace with hash 753916519, now seen corresponding path program 1 times [2023-12-25 11:08:58,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:08:58,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1201980593] [2023-12-25 11:08:58,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:08:58,810 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 11:08:58,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:08:58,818 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 11:08:58,819 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 11:08:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:08:59,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:08:59,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:08:59,664 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 11:08:59,664 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:08:59,664 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:08:59,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1201980593] [2023-12-25 11:08:59,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1201980593] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:08:59,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:08:59,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:08:59,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796167476] [2023-12-25 11:08:59,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:08:59,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:08:59,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:08:59,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:08:59,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:08:59,665 INFO L87 Difference]: Start difference. First operand 1083 states and 1447 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 11:09:02,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:09:02,575 INFO L93 Difference]: Finished difference Result 1289 states and 1739 transitions. [2023-12-25 11:09:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:09:02,576 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 11:09:02,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:09:02,577 INFO L225 Difference]: With dead ends: 1289 [2023-12-25 11:09:02,577 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:09:02,577 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 11:09:02,577 INFO L413 NwaCegarLoop]: 877 mSDtfsCounter, 4554 mSDsluCounter, 2410 mSDsCounter, 0 mSdLazyCounter, 2586 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4554 SdHoareTripleChecker+Valid, 3287 SdHoareTripleChecker+Invalid, 2597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:09:02,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4554 Valid, 3287 Invalid, 2597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2586 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:09:02,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:09:02,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:09:02,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3719165085388993) internal successors, (1446), 1082 states have internal predecessors, (1446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:02,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1446 transitions. [2023-12-25 11:09:02,586 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1446 transitions. Word has length 113 [2023-12-25 11:09:02,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:09:02,586 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1446 transitions. [2023-12-25 11:09:02,586 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 11:09:02,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1446 transitions. [2023-12-25 11:09:02,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:09:02,587 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:09:02,587 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 11:09:02,594 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 11:09:02,792 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 11:09:02,793 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:09:02,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:09:02,793 INFO L85 PathProgramCache]: Analyzing trace with hash 345071291, now seen corresponding path program 1 times [2023-12-25 11:09:02,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:09:02,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [359445327] [2023-12-25 11:09:02,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:09:02,793 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 11:09:02,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:09:02,795 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 11:09:02,796 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 11:09:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:09:03,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:09:03,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:09:03,648 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 11:09:03,648 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:09:03,648 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:09:03,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [359445327] [2023-12-25 11:09:03,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [359445327] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:09:03,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:09:03,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:09:03,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624696115] [2023-12-25 11:09:03,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:09:03,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:09:03,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:09:03,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:09:03,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:09:03,649 INFO L87 Difference]: Start difference. First operand 1083 states and 1446 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 11:09:06,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:09:06,637 INFO L93 Difference]: Finished difference Result 1267 states and 1712 transitions. [2023-12-25 11:09:06,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:09:06,637 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 11:09:06,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:09:06,638 INFO L225 Difference]: With dead ends: 1267 [2023-12-25 11:09:06,638 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:09:06,638 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 11:09:06,639 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 4611 mSDsluCounter, 2335 mSDsCounter, 0 mSdLazyCounter, 2609 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4611 SdHoareTripleChecker+Valid, 3188 SdHoareTripleChecker+Invalid, 2628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:09:06,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4611 Valid, 3188 Invalid, 2628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2609 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:09:06,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:09:06,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:09:06,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3709677419354838) internal successors, (1445), 1082 states have internal predecessors, (1445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:06,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1445 transitions. [2023-12-25 11:09:06,645 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1445 transitions. Word has length 113 [2023-12-25 11:09:06,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:09:06,646 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1445 transitions. [2023-12-25 11:09:06,646 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 11:09:06,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1445 transitions. [2023-12-25 11:09:06,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:09:06,647 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:09:06,648 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 11:09:06,654 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 (51)] Ended with exit code 0 [2023-12-25 11:09:06,848 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 11:09:06,848 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 11:09:06,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:09:06,849 INFO L85 PathProgramCache]: Analyzing trace with hash -110638017, now seen corresponding path program 1 times [2023-12-25 11:09:06,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:09:06,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225221681] [2023-12-25 11:09:06,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:09:06,849 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 11:09:06,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:09:06,850 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 11:09:06,851 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 11:09:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:09:07,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:09:07,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:09:07,754 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 11:09:07,754 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:09:07,755 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:09:07,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [225221681] [2023-12-25 11:09:07,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [225221681] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:09:07,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:09:07,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:09:07,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879098118] [2023-12-25 11:09:07,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:09:07,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:09:07,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:09:07,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:09:07,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:09:07,756 INFO L87 Difference]: Start difference. First operand 1083 states and 1445 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 11:09:10,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:09:10,793 INFO L93 Difference]: Finished difference Result 1263 states and 1708 transitions. [2023-12-25 11:09:10,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:09:10,794 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 11:09:10,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:09:10,795 INFO L225 Difference]: With dead ends: 1263 [2023-12-25 11:09:10,795 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:09:10,795 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 11:09:10,796 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 3266 mSDsluCounter, 2337 mSDsCounter, 0 mSdLazyCounter, 2607 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3266 SdHoareTripleChecker+Valid, 3190 SdHoareTripleChecker+Invalid, 2626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:09:10,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3266 Valid, 3190 Invalid, 2626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2607 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:09:10,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:09:10,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:09:10,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3700189753320684) internal successors, (1444), 1082 states have internal predecessors, (1444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:10,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1444 transitions. [2023-12-25 11:09:10,803 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1444 transitions. Word has length 113 [2023-12-25 11:09:10,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:09:10,803 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1444 transitions. [2023-12-25 11:09:10,803 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 11:09:10,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1444 transitions. [2023-12-25 11:09:10,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:09:10,804 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:09:10,804 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 11:09:10,808 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 11:09:11,008 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 11:09:11,008 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:09:11,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:09:11,009 INFO L85 PathProgramCache]: Analyzing trace with hash -746707412, now seen corresponding path program 1 times [2023-12-25 11:09:11,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:09:11,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1306781953] [2023-12-25 11:09:11,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:09:11,009 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 11:09:11,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:09:11,010 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 11:09:11,012 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 (53)] Waiting until timeout for monitored process [2023-12-25 11:09:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:09:11,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:09:11,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:09:11,884 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 11:09:11,884 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:09:11,884 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:09:11,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1306781953] [2023-12-25 11:09:11,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1306781953] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:09:11,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:09:11,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:09:11,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157570139] [2023-12-25 11:09:11,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:09:11,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:09:11,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:09:11,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:09:11,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:09:11,885 INFO L87 Difference]: Start difference. First operand 1083 states and 1444 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 11:09:14,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:09:14,917 INFO L93 Difference]: Finished difference Result 1267 states and 1710 transitions. [2023-12-25 11:09:14,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:09:14,917 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 11:09:14,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:09:14,919 INFO L225 Difference]: With dead ends: 1267 [2023-12-25 11:09:14,919 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:09:14,919 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 11:09:14,919 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 4575 mSDsluCounter, 2335 mSDsCounter, 0 mSdLazyCounter, 2601 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4575 SdHoareTripleChecker+Valid, 3188 SdHoareTripleChecker+Invalid, 2620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:09:14,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4575 Valid, 3188 Invalid, 2620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2601 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:09:14,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:09:14,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:09:14,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3690702087286528) internal successors, (1443), 1082 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:14,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1443 transitions. [2023-12-25 11:09:14,926 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1443 transitions. Word has length 113 [2023-12-25 11:09:14,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:09:14,926 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1443 transitions. [2023-12-25 11:09:14,926 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 11:09:14,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1443 transitions. [2023-12-25 11:09:14,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:09:14,928 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:09:14,928 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 11:09:14,932 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 11:09:15,131 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 11:09:15,132 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:09:15,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:09:15,132 INFO L85 PathProgramCache]: Analyzing trace with hash 90245443, now seen corresponding path program 1 times [2023-12-25 11:09:15,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:09:15,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1422665770] [2023-12-25 11:09:15,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:09:15,132 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 11:09:15,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:09:15,133 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 11:09:15,169 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 11:09:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:09:15,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:09:15,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:09:16,017 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 11:09:16,017 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:09:16,017 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:09:16,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1422665770] [2023-12-25 11:09:16,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1422665770] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:09:16,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:09:16,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:09:16,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896657714] [2023-12-25 11:09:16,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:09:16,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:09:16,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:09:16,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:09:16,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:09:16,018 INFO L87 Difference]: Start difference. First operand 1083 states and 1443 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 11:09:18,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:09:18,896 INFO L93 Difference]: Finished difference Result 1263 states and 1706 transitions. [2023-12-25 11:09:18,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:09:18,896 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 11:09:18,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:09:18,898 INFO L225 Difference]: With dead ends: 1263 [2023-12-25 11:09:18,898 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:09:18,898 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 11:09:18,898 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 4600 mSDsluCounter, 2337 mSDsCounter, 0 mSdLazyCounter, 2599 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4600 SdHoareTripleChecker+Valid, 3190 SdHoareTripleChecker+Invalid, 2618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:09:18,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4600 Valid, 3190 Invalid, 2618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2599 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:09:18,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:09:18,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:09:18,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3681214421252372) internal successors, (1442), 1082 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:18,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1442 transitions. [2023-12-25 11:09:18,905 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1442 transitions. Word has length 113 [2023-12-25 11:09:18,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:09:18,905 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1442 transitions. [2023-12-25 11:09:18,905 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 11:09:18,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1442 transitions. [2023-12-25 11:09:18,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:09:18,907 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:09:18,907 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 11:09:18,911 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 (54)] Ended with exit code 0 [2023-12-25 11:09:19,107 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 11:09:19,107 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 11:09:19,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:09:19,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1075080690, now seen corresponding path program 1 times [2023-12-25 11:09:19,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:09:19,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [221576880] [2023-12-25 11:09:19,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:09:19,108 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 11:09:19,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:09:19,109 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 11:09:19,110 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 11:09:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:09:19,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:09:19,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:09:19,944 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 11:09:19,945 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:09:19,945 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:09:19,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [221576880] [2023-12-25 11:09:19,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [221576880] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:09:19,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:09:19,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:09:19,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623435784] [2023-12-25 11:09:19,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:09:19,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:09:19,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:09:19,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:09:19,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:09:19,963 INFO L87 Difference]: Start difference. First operand 1083 states and 1442 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 11:09:23,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:09:23,021 INFO L93 Difference]: Finished difference Result 1262 states and 1704 transitions. [2023-12-25 11:09:23,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:09:23,022 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 11:09:23,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:09:23,023 INFO L225 Difference]: With dead ends: 1262 [2023-12-25 11:09:23,023 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:09:23,024 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 11:09:23,024 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 3259 mSDsluCounter, 2337 mSDsCounter, 0 mSdLazyCounter, 2597 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3259 SdHoareTripleChecker+Valid, 3190 SdHoareTripleChecker+Invalid, 2616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:09:23,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3259 Valid, 3190 Invalid, 2616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2597 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:09:23,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:09:23,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:09:23,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3671726755218216) internal successors, (1441), 1082 states have internal predecessors, (1441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:23,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1441 transitions. [2023-12-25 11:09:23,035 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1441 transitions. Word has length 113 [2023-12-25 11:09:23,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:09:23,035 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1441 transitions. [2023-12-25 11:09:23,035 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 11:09:23,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1441 transitions. [2023-12-25 11:09:23,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:09:23,036 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:09:23,036 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 11:09:23,040 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 (55)] Ended with exit code 0 [2023-12-25 11:09:23,240 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 11:09:23,240 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:09:23,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:09:23,241 INFO L85 PathProgramCache]: Analyzing trace with hash -693878534, now seen corresponding path program 1 times [2023-12-25 11:09:23,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:09:23,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283400605] [2023-12-25 11:09:23,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:09:23,241 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 11:09:23,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:09:23,242 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 11:09:23,276 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 11:09:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:09:23,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:09:23,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:09:24,324 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 11:09:24,325 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:09:24,325 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:09:24,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283400605] [2023-12-25 11:09:24,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [283400605] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:09:24,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:09:24,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:09:24,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79333753] [2023-12-25 11:09:24,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:09:24,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:09:24,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:09:24,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:09:24,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:09:24,326 INFO L87 Difference]: Start difference. First operand 1083 states and 1441 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 11:09:27,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:09:27,226 INFO L93 Difference]: Finished difference Result 1289 states and 1735 transitions. [2023-12-25 11:09:27,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:09:27,226 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 11:09:27,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:09:27,227 INFO L225 Difference]: With dead ends: 1289 [2023-12-25 11:09:27,227 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:09:27,228 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 11:09:27,228 INFO L413 NwaCegarLoop]: 830 mSDtfsCounter, 3385 mSDsluCounter, 2314 mSDsCounter, 0 mSdLazyCounter, 2423 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3385 SdHoareTripleChecker+Valid, 3144 SdHoareTripleChecker+Invalid, 2435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:09:27,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3385 Valid, 3144 Invalid, 2435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2423 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:09:27,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:09:27,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:09:27,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.366223908918406) internal successors, (1440), 1082 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:27,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1440 transitions. [2023-12-25 11:09:27,238 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1440 transitions. Word has length 113 [2023-12-25 11:09:27,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:09:27,238 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1440 transitions. [2023-12-25 11:09:27,238 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 11:09:27,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1440 transitions. [2023-12-25 11:09:27,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:09:27,240 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:09:27,240 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 11:09:27,248 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 (56)] Forceful destruction successful, exit code 0 [2023-12-25 11:09:27,443 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 11:09:27,444 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:09:27,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:09:27,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1102723762, now seen corresponding path program 1 times [2023-12-25 11:09:27,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:09:27,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1911650843] [2023-12-25 11:09:27,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:09:27,445 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 11:09:27,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:09:27,446 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 11:09:27,446 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 11:09:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:09:27,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:09:27,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:09:28,320 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 11:09:28,320 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:09:28,320 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:09:28,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1911650843] [2023-12-25 11:09:28,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1911650843] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:09:28,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:09:28,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:09:28,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155160911] [2023-12-25 11:09:28,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:09:28,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:09:28,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:09:28,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:09:28,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:09:28,322 INFO L87 Difference]: Start difference. First operand 1083 states and 1440 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 11:09:31,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:09:31,343 INFO L93 Difference]: Finished difference Result 1267 states and 1707 transitions. [2023-12-25 11:09:31,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:09:31,344 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 11:09:31,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:09:31,345 INFO L225 Difference]: With dead ends: 1267 [2023-12-25 11:09:31,345 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:09:31,345 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 11:09:31,346 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 4562 mSDsluCounter, 2333 mSDsCounter, 0 mSdLazyCounter, 2587 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4562 SdHoareTripleChecker+Valid, 3186 SdHoareTripleChecker+Invalid, 2606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:09:31,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4562 Valid, 3186 Invalid, 2606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2587 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:09:31,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:09:31,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:09:31,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3652751423149905) internal successors, (1439), 1082 states have internal predecessors, (1439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:31,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1439 transitions. [2023-12-25 11:09:31,356 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1439 transitions. Word has length 113 [2023-12-25 11:09:31,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:09:31,356 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1439 transitions. [2023-12-25 11:09:31,356 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 11:09:31,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1439 transitions. [2023-12-25 11:09:31,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:09:31,357 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:09:31,358 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 11:09:31,362 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 11:09:31,562 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 11:09:31,562 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:09:31,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:09:31,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1257063176, now seen corresponding path program 1 times [2023-12-25 11:09:31,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:09:31,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [558727887] [2023-12-25 11:09:31,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:09:31,563 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 11:09:31,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:09:31,564 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 11:09:31,565 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 11:09:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:09:31,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:09:31,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:09:32,459 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 11:09:32,459 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:09:32,459 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:09:32,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [558727887] [2023-12-25 11:09:32,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [558727887] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:09:32,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:09:32,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:09:32,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835964129] [2023-12-25 11:09:32,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:09:32,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:09:32,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:09:32,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:09:32,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:09:32,461 INFO L87 Difference]: Start difference. First operand 1083 states and 1439 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 11:09:35,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:09:35,168 INFO L93 Difference]: Finished difference Result 1334 states and 1788 transitions. [2023-12-25 11:09:35,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:09:35,169 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 11:09:35,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:09:35,170 INFO L225 Difference]: With dead ends: 1334 [2023-12-25 11:09:35,170 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:09:35,170 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 11:09:35,171 INFO L413 NwaCegarLoop]: 889 mSDtfsCounter, 3249 mSDsluCounter, 2388 mSDsCounter, 0 mSdLazyCounter, 2512 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3249 SdHoareTripleChecker+Valid, 3277 SdHoareTripleChecker+Invalid, 2519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-25 11:09:35,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3249 Valid, 3277 Invalid, 2519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2512 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-25 11:09:35,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:09:35,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:09:35,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.364326375711575) internal successors, (1438), 1082 states have internal predecessors, (1438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:35,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1438 transitions. [2023-12-25 11:09:35,177 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1438 transitions. Word has length 113 [2023-12-25 11:09:35,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:09:35,178 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1438 transitions. [2023-12-25 11:09:35,178 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 11:09:35,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1438 transitions. [2023-12-25 11:09:35,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:09:35,179 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:09:35,179 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] [2023-12-25 11:09:35,183 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 (58)] Ended with exit code 0 [2023-12-25 11:09:35,382 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 11:09:35,383 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:09:35,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:09:35,383 INFO L85 PathProgramCache]: Analyzing trace with hash -41094097, now seen corresponding path program 1 times [2023-12-25 11:09:35,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:09:35,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2096414314] [2023-12-25 11:09:35,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:09:35,383 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 11:09:35,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:09:35,384 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 11:09:35,385 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 11:09:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:09:35,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:09:35,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:09:36,296 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 11:09:36,296 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:09:36,296 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:09:36,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2096414314] [2023-12-25 11:09:36,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2096414314] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:09:36,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:09:36,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:09:36,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226511568] [2023-12-25 11:09:36,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:09:36,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:09:36,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:09:36,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:09:36,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:09:36,297 INFO L87 Difference]: Start difference. First operand 1083 states and 1438 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 11:09:39,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:09:39,329 INFO L93 Difference]: Finished difference Result 1263 states and 1701 transitions. [2023-12-25 11:09:39,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:09:39,330 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 11:09:39,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:09:39,331 INFO L225 Difference]: With dead ends: 1263 [2023-12-25 11:09:39,331 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:09:39,331 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 11:09:39,332 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 4583 mSDsluCounter, 2336 mSDsCounter, 0 mSdLazyCounter, 2582 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4583 SdHoareTripleChecker+Valid, 3189 SdHoareTripleChecker+Invalid, 2601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:09:39,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4583 Valid, 3189 Invalid, 2601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2582 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:09:39,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:09:39,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:09:39,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3633776091081593) internal successors, (1437), 1082 states have internal predecessors, (1437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:39,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1437 transitions. [2023-12-25 11:09:39,339 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1437 transitions. Word has length 113 [2023-12-25 11:09:39,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:09:39,339 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1437 transitions. [2023-12-25 11:09:39,339 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 11:09:39,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1437 transitions. [2023-12-25 11:09:39,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:09:39,340 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:09:39,341 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 11:09:39,345 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 (59)] Forceful destruction successful, exit code 0 [2023-12-25 11:09:39,544 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 11:09:39,545 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:09:39,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:09:39,545 INFO L85 PathProgramCache]: Analyzing trace with hash -677861571, now seen corresponding path program 1 times [2023-12-25 11:09:39,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:09:39,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1301531930] [2023-12-25 11:09:39,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:09:39,546 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 11:09:39,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:09:39,547 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 11:09:39,548 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 11:09:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:09:39,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:09:39,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:09:40,468 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 11:09:40,468 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:09:40,469 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:09:40,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1301531930] [2023-12-25 11:09:40,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1301531930] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:09:40,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:09:40,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:09:40,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402422950] [2023-12-25 11:09:40,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:09:40,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:09:40,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:09:40,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:09:40,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:09:40,470 INFO L87 Difference]: Start difference. First operand 1083 states and 1437 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 11:09:43,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:09:43,632 INFO L93 Difference]: Finished difference Result 1267 states and 1704 transitions. [2023-12-25 11:09:43,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:09:43,632 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 11:09:43,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:09:43,633 INFO L225 Difference]: With dead ends: 1267 [2023-12-25 11:09:43,633 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:09:43,634 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 11:09:43,634 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 4583 mSDsluCounter, 2333 mSDsCounter, 0 mSdLazyCounter, 2576 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4583 SdHoareTripleChecker+Valid, 3186 SdHoareTripleChecker+Invalid, 2595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:09:43,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4583 Valid, 3186 Invalid, 2595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2576 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:09:43,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:09:43,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:09:43,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.362428842504744) internal successors, (1436), 1082 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:43,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1436 transitions. [2023-12-25 11:09:43,640 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1436 transitions. Word has length 113 [2023-12-25 11:09:43,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:09:43,641 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1436 transitions. [2023-12-25 11:09:43,641 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 11:09:43,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1436 transitions. [2023-12-25 11:09:43,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:09:43,642 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:09:43,642 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 11:09:43,650 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 (60)] Forceful destruction successful, exit code 0 [2023-12-25 11:09:43,846 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 11:09:43,846 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:09:43,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:09:43,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1045963746, now seen corresponding path program 1 times [2023-12-25 11:09:43,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:09:43,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1668979568] [2023-12-25 11:09:43,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:09:43,847 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 11:09:43,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:09:43,848 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 11:09:43,855 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 11:09:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:09:44,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:09:44,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:09:44,726 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 11:09:44,726 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:09:44,726 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:09:44,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1668979568] [2023-12-25 11:09:44,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1668979568] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:09:44,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:09:44,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:09:44,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597579292] [2023-12-25 11:09:44,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:09:44,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:09:44,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:09:44,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:09:44,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:09:44,727 INFO L87 Difference]: Start difference. First operand 1083 states and 1436 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 11:09:47,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:09:47,717 INFO L93 Difference]: Finished difference Result 1267 states and 1703 transitions. [2023-12-25 11:09:47,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:09:47,718 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 11:09:47,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:09:47,719 INFO L225 Difference]: With dead ends: 1267 [2023-12-25 11:09:47,719 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:09:47,719 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 11:09:47,719 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 3250 mSDsluCounter, 2333 mSDsCounter, 0 mSdLazyCounter, 2572 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3250 SdHoareTripleChecker+Valid, 3186 SdHoareTripleChecker+Invalid, 2591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:09:47,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3250 Valid, 3186 Invalid, 2591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2572 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:09:47,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:09:47,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:09:47,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3614800759013284) internal successors, (1435), 1082 states have internal predecessors, (1435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:47,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1435 transitions. [2023-12-25 11:09:47,726 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1435 transitions. Word has length 113 [2023-12-25 11:09:47,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:09:47,726 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1435 transitions. [2023-12-25 11:09:47,726 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 11:09:47,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1435 transitions. [2023-12-25 11:09:47,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-25 11:09:47,727 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:09:47,727 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] [2023-12-25 11:09:47,731 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 (61)] Ended with exit code 0 [2023-12-25 11:09:47,931 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 11:09:47,931 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:09:47,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:09:47,931 INFO L85 PathProgramCache]: Analyzing trace with hash -637118518, now seen corresponding path program 1 times [2023-12-25 11:09:47,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:09:47,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [722166099] [2023-12-25 11:09:47,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:09:47,932 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 11:09:47,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:09:47,933 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 11:09:47,934 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 11:09:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:09:48,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:09:48,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:09:48,819 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 11:09:48,819 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:09:48,819 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:09:48,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [722166099] [2023-12-25 11:09:48,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [722166099] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:09:48,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:09:48,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:09:48,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734682262] [2023-12-25 11:09:48,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:09:48,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:09:48,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:09:48,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:09:48,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:09:48,820 INFO L87 Difference]: Start difference. First operand 1083 states and 1435 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 11:09:52,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:09:52,047 INFO L93 Difference]: Finished difference Result 1289 states and 1729 transitions. [2023-12-25 11:09:52,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:09:52,047 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 11:09:52,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:09:52,048 INFO L225 Difference]: With dead ends: 1289 [2023-12-25 11:09:52,048 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:09:52,048 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 11:09:52,049 INFO L413 NwaCegarLoop]: 877 mSDtfsCounter, 3186 mSDsluCounter, 2406 mSDsCounter, 0 mSdLazyCounter, 2541 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3186 SdHoareTripleChecker+Valid, 3283 SdHoareTripleChecker+Invalid, 2552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:09:52,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3186 Valid, 3283 Invalid, 2552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2541 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:09:52,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:09:52,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:09:52,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3605313092979128) internal successors, (1434), 1082 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:52,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1434 transitions. [2023-12-25 11:09:52,055 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1434 transitions. Word has length 113 [2023-12-25 11:09:52,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:09:52,056 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1434 transitions. [2023-12-25 11:09:52,056 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 11:09:52,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1434 transitions. [2023-12-25 11:09:52,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 11:09:52,059 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:09:52,059 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 11:09:52,063 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 (62)] Forceful destruction successful, exit code 0 [2023-12-25 11:09:52,259 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 11:09:52,259 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 11:09:52,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:09:52,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1798715043, now seen corresponding path program 1 times [2023-12-25 11:09:52,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:09:52,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [229160623] [2023-12-25 11:09:52,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:09:52,260 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 11:09:52,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:09:52,261 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 11:09:52,263 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 11:09:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:09:52,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:09:52,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:09:53,147 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 11:09:53,147 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:09:53,147 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:09:53,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [229160623] [2023-12-25 11:09:53,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [229160623] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:09:53,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:09:53,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:09:53,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634127664] [2023-12-25 11:09:53,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:09:53,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:09:53,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:09:53,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:09:53,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:09:53,148 INFO L87 Difference]: Start difference. First operand 1083 states and 1434 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 11:09:56,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:09:56,192 INFO L93 Difference]: Finished difference Result 1261 states and 1695 transitions. [2023-12-25 11:09:56,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:09:56,193 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 11:09:56,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:09:56,194 INFO L225 Difference]: With dead ends: 1261 [2023-12-25 11:09:56,194 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:09:56,195 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 11:09:56,195 INFO L413 NwaCegarLoop]: 843 mSDtfsCounter, 3264 mSDsluCounter, 2322 mSDsCounter, 0 mSdLazyCounter, 2554 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3264 SdHoareTripleChecker+Valid, 3165 SdHoareTripleChecker+Invalid, 2573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:09:56,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3264 Valid, 3165 Invalid, 2573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2554 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:09:56,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:09:56,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:09:56,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3595825426944972) internal successors, (1433), 1082 states have internal predecessors, (1433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:09:56,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1433 transitions. [2023-12-25 11:09:56,202 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1433 transitions. Word has length 114 [2023-12-25 11:09:56,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:09:56,202 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1433 transitions. [2023-12-25 11:09:56,202 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 11:09:56,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1433 transitions. [2023-12-25 11:09:56,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:09:56,203 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:09:56,203 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 11:09:56,212 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 11:09:56,404 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 11:09:56,404 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:09:56,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:09:56,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1738030607, now seen corresponding path program 1 times [2023-12-25 11:09:56,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:09:56,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1876463490] [2023-12-25 11:09:56,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:09:56,405 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 11:09:56,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:09:56,408 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 11:09:56,408 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 11:09:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:09:56,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:09:56,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:09:57,278 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 11:09:57,278 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:09:57,278 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:09:57,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1876463490] [2023-12-25 11:09:57,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1876463490] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:09:57,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:09:57,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:09:57,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938110418] [2023-12-25 11:09:57,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:09:57,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:09:57,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:09:57,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:09:57,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:09:57,279 INFO L87 Difference]: Start difference. First operand 1083 states and 1433 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 11:10:00,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:10:00,309 INFO L93 Difference]: Finished difference Result 1268 states and 1700 transitions. [2023-12-25 11:10:00,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:10:00,309 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 11:10:00,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:10:00,310 INFO L225 Difference]: With dead ends: 1268 [2023-12-25 11:10:00,310 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:10:00,311 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 11:10:00,311 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 4813 mSDsluCounter, 2127 mSDsCounter, 0 mSdLazyCounter, 2589 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4813 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:10:00,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4813 Valid, 2932 Invalid, 2624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2589 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:10:00,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:10:00,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:10:00,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3586337760910816) internal successors, (1432), 1082 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:10:00,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1432 transitions. [2023-12-25 11:10:00,318 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1432 transitions. Word has length 115 [2023-12-25 11:10:00,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:10:00,318 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1432 transitions. [2023-12-25 11:10:00,318 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 11:10:00,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1432 transitions. [2023-12-25 11:10:00,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:10:00,319 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:10:00,319 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 11:10:00,323 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 (64)] Forceful destruction successful, exit code 0 [2023-12-25 11:10:00,523 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 11:10:00,525 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:10:00,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:10:00,525 INFO L85 PathProgramCache]: Analyzing trace with hash 174166495, now seen corresponding path program 1 times [2023-12-25 11:10:00,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:10:00,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1596276304] [2023-12-25 11:10:00,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:10:00,526 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 11:10:00,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:10:00,527 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 11:10:00,530 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 11:10:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:10:00,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:10:00,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:10:01,409 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 11:10:01,409 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:10:01,409 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:10:01,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1596276304] [2023-12-25 11:10:01,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1596276304] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:10:01,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:10:01,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:10:01,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673097885] [2023-12-25 11:10:01,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:10:01,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:10:01,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:10:01,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:10:01,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:10:01,410 INFO L87 Difference]: Start difference. First operand 1083 states and 1432 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 11:10:04,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:10:04,372 INFO L93 Difference]: Finished difference Result 1272 states and 1703 transitions. [2023-12-25 11:10:04,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:10:04,373 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 11:10:04,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:10:04,374 INFO L225 Difference]: With dead ends: 1272 [2023-12-25 11:10:04,374 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:10:04,374 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 11:10:04,374 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 4534 mSDsluCounter, 2326 mSDsCounter, 0 mSdLazyCounter, 2557 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4534 SdHoareTripleChecker+Valid, 3179 SdHoareTripleChecker+Invalid, 2576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:10:04,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4534 Valid, 3179 Invalid, 2576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2557 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:10:04,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:10:04,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:10:04,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.357685009487666) internal successors, (1431), 1082 states have internal predecessors, (1431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:10:04,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1431 transitions. [2023-12-25 11:10:04,381 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1431 transitions. Word has length 115 [2023-12-25 11:10:04,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:10:04,381 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1431 transitions. [2023-12-25 11:10:04,381 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 11:10:04,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1431 transitions. [2023-12-25 11:10:04,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:10:04,382 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:10:04,382 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 11:10:04,400 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 11:10:04,589 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 11:10:04,589 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:10:04,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:10:04,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1228845247, now seen corresponding path program 1 times [2023-12-25 11:10:04,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:10:04,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035212673] [2023-12-25 11:10:04,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:10:04,590 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 11:10:04,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:10:04,592 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 11:10:04,608 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 11:10:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:10:04,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:10:04,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:10:05,441 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 11:10:05,441 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:10:05,441 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:10:05,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1035212673] [2023-12-25 11:10:05,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1035212673] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:10:05,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:10:05,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:10:05,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895094780] [2023-12-25 11:10:05,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:10:05,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:10:05,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:10:05,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:10:05,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:10:05,443 INFO L87 Difference]: Start difference. First operand 1083 states and 1431 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 11:10:08,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:10:08,733 INFO L93 Difference]: Finished difference Result 1265 states and 1695 transitions. [2023-12-25 11:10:08,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:10:08,733 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 11:10:08,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:10:08,734 INFO L225 Difference]: With dead ends: 1265 [2023-12-25 11:10:08,735 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:10:08,735 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 11:10:08,735 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 4804 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2586 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4804 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-25 11:10:08,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4804 Valid, 2932 Invalid, 2621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2586 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-25 11:10:08,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:10:08,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:10:08,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3567362428842504) internal successors, (1430), 1082 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:10:08,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1430 transitions. [2023-12-25 11:10:08,743 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1430 transitions. Word has length 115 [2023-12-25 11:10:08,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:10:08,743 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1430 transitions. [2023-12-25 11:10:08,743 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 11:10:08,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1430 transitions. [2023-12-25 11:10:08,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:10:08,744 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:10:08,744 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 11:10:08,752 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 11:10:08,949 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 11:10:08,949 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:10:08,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:10:08,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1801800114, now seen corresponding path program 1 times [2023-12-25 11:10:08,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:10:08,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [28391337] [2023-12-25 11:10:08,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:10:08,950 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 11:10:08,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:10:08,951 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 11:10:08,955 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 11:10:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:10:09,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:10:09,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:10:09,801 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 11:10:09,801 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:10:09,801 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:10:09,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [28391337] [2023-12-25 11:10:09,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [28391337] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:10:09,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:10:09,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:10:09,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450632277] [2023-12-25 11:10:09,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:10:09,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:10:09,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:10:09,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:10:09,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:10:09,802 INFO L87 Difference]: Start difference. First operand 1083 states and 1430 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 11:10:12,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:10:12,720 INFO L93 Difference]: Finished difference Result 1268 states and 1697 transitions. [2023-12-25 11:10:12,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:10:12,720 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 11:10:12,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:10:12,721 INFO L225 Difference]: With dead ends: 1268 [2023-12-25 11:10:12,721 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:10:12,722 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 11:10:12,722 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 4313 mSDsluCounter, 2127 mSDsCounter, 0 mSdLazyCounter, 2578 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4313 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:10:12,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4313 Valid, 2932 Invalid, 2613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2578 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:10:12,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:10:12,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:10:12,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3557874762808348) internal successors, (1429), 1082 states have internal predecessors, (1429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:10:12,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1429 transitions. [2023-12-25 11:10:12,741 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1429 transitions. Word has length 115 [2023-12-25 11:10:12,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:10:12,741 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1429 transitions. [2023-12-25 11:10:12,741 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 11:10:12,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1429 transitions. [2023-12-25 11:10:12,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:10:12,742 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:10:12,742 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 11:10:12,756 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 11:10:12,943 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 11:10:12,943 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 11:10:12,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:10:12,943 INFO L85 PathProgramCache]: Analyzing trace with hash 329913258, now seen corresponding path program 1 times [2023-12-25 11:10:12,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:10:12,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [717415622] [2023-12-25 11:10:12,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:10:12,944 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 11:10:12,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:10:12,945 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 11:10:12,946 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 11:10:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:10:13,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:10:13,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:10:13,829 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 11:10:13,830 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:10:13,830 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:10:13,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [717415622] [2023-12-25 11:10:13,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [717415622] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:10:13,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:10:13,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:10:13,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641050271] [2023-12-25 11:10:13,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:10:13,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:10:13,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:10:13,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:10:13,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:10:13,831 INFO L87 Difference]: Start difference. First operand 1083 states and 1429 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 11:10:16,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:10:16,907 INFO L93 Difference]: Finished difference Result 1265 states and 1693 transitions. [2023-12-25 11:10:16,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:10:16,907 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 11:10:16,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:10:16,908 INFO L225 Difference]: With dead ends: 1265 [2023-12-25 11:10:16,908 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:10:16,909 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 11:10:16,909 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 3471 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2578 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3471 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:10:16,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3471 Valid, 2932 Invalid, 2613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2578 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:10:16,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:10:16,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:10:16,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3548387096774193) internal successors, (1428), 1082 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:10:16,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1428 transitions. [2023-12-25 11:10:16,915 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1428 transitions. Word has length 115 [2023-12-25 11:10:16,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:10:16,915 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1428 transitions. [2023-12-25 11:10:16,915 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 11:10:16,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1428 transitions. [2023-12-25 11:10:16,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:10:16,919 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:10:16,920 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, 1] [2023-12-25 11:10:16,924 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 11:10:17,124 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 11:10:17,124 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:10:17,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:10:17,124 INFO L85 PathProgramCache]: Analyzing trace with hash -934291503, now seen corresponding path program 1 times [2023-12-25 11:10:17,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:10:17,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1220605241] [2023-12-25 11:10:17,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:10:17,125 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 11:10:17,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:10:17,126 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 11:10:17,127 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 (69)] Waiting until timeout for monitored process [2023-12-25 11:10:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:10:17,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:10:17,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:10:17,967 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 11:10:17,967 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:10:17,967 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:10:17,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1220605241] [2023-12-25 11:10:17,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1220605241] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:10:17,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:10:17,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:10:17,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544219459] [2023-12-25 11:10:17,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:10:17,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:10:17,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:10:17,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:10:17,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:10:17,971 INFO L87 Difference]: Start difference. First operand 1083 states and 1428 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 11:10:21,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:10:21,100 INFO L93 Difference]: Finished difference Result 1268 states and 1695 transitions. [2023-12-25 11:10:21,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:10:21,101 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 11:10:21,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:10:21,102 INFO L225 Difference]: With dead ends: 1268 [2023-12-25 11:10:21,102 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:10:21,103 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 11:10:21,103 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 3472 mSDsluCounter, 2127 mSDsCounter, 0 mSdLazyCounter, 2570 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3472 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:10:21,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3472 Valid, 2932 Invalid, 2605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2570 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:10:21,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:10:21,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:10:21,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.353889943074004) internal successors, (1427), 1082 states have internal predecessors, (1427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:10:21,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1427 transitions. [2023-12-25 11:10:21,111 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1427 transitions. Word has length 115 [2023-12-25 11:10:21,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:10:21,111 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1427 transitions. [2023-12-25 11:10:21,111 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 11:10:21,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1427 transitions. [2023-12-25 11:10:21,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:10:21,112 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:10:21,113 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, 1] [2023-12-25 11:10:21,117 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 (69)] Ended with exit code 0 [2023-12-25 11:10:21,317 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 11:10:21,317 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 11:10:21,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:10:21,317 INFO L85 PathProgramCache]: Analyzing trace with hash 978607334, now seen corresponding path program 1 times [2023-12-25 11:10:21,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:10:21,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1246538519] [2023-12-25 11:10:21,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:10:21,318 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 11:10:21,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:10:21,319 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 11:10:21,328 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 11:10:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:10:21,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:10:21,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:10:22,239 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 11:10:22,239 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:10:22,239 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:10:22,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1246538519] [2023-12-25 11:10:22,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1246538519] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:10:22,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:10:22,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:10:22,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478715381] [2023-12-25 11:10:22,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:10:22,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:10:22,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:10:22,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:10:22,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:10:22,240 INFO L87 Difference]: Start difference. First operand 1083 states and 1427 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 11:10:25,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:10:25,242 INFO L93 Difference]: Finished difference Result 1265 states and 1691 transitions. [2023-12-25 11:10:25,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:10:25,242 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 11:10:25,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:10:25,243 INFO L225 Difference]: With dead ends: 1265 [2023-12-25 11:10:25,243 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:10:25,244 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 11:10:25,244 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 4792 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2570 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4792 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:10:25,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4792 Valid, 2932 Invalid, 2605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2570 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:10:25,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:10:25,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:10:25,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3529411764705883) internal successors, (1426), 1082 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:10:25,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1426 transitions. [2023-12-25 11:10:25,250 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1426 transitions. Word has length 115 [2023-12-25 11:10:25,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:10:25,251 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1426 transitions. [2023-12-25 11:10:25,251 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 11:10:25,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1426 transitions. [2023-12-25 11:10:25,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:10:25,252 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:10:25,252 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 11:10:25,258 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 11:10:25,455 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 11:10:25,456 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 11:10:25,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:10:25,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1807788387, now seen corresponding path program 1 times [2023-12-25 11:10:25,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:10:25,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [135149023] [2023-12-25 11:10:25,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:10:25,457 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 11:10:25,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:10:25,458 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 11:10:25,459 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 11:10:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:10:25,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:10:25,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:10:26,392 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 11:10:26,392 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:10:26,392 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:10:26,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [135149023] [2023-12-25 11:10:26,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [135149023] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:10:26,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:10:26,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:10:26,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134081534] [2023-12-25 11:10:26,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:10:26,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:10:26,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:10:26,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:10:26,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:10:26,393 INFO L87 Difference]: Start difference. First operand 1083 states and 1426 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 11:10:29,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:10:29,286 INFO L93 Difference]: Finished difference Result 1265 states and 1690 transitions. [2023-12-25 11:10:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:10:29,286 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 11:10:29,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:10:29,288 INFO L225 Difference]: With dead ends: 1265 [2023-12-25 11:10:29,288 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:10:29,288 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 11:10:29,288 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 3465 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2566 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3465 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:10:29,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3465 Valid, 2932 Invalid, 2601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2566 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:10:29,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:10:29,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:10:29,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3519924098671727) internal successors, (1425), 1082 states have internal predecessors, (1425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:10:29,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1425 transitions. [2023-12-25 11:10:29,295 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1425 transitions. Word has length 115 [2023-12-25 11:10:29,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:10:29,296 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1425 transitions. [2023-12-25 11:10:29,296 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 11:10:29,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1425 transitions. [2023-12-25 11:10:29,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:10:29,297 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:10:29,297 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 11:10:29,302 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 (71)] Forceful destruction successful, exit code 0 [2023-12-25 11:10:29,505 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 11:10:29,506 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 11:10:29,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:10:29,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1838484833, now seen corresponding path program 1 times [2023-12-25 11:10:29,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:10:29,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2112908876] [2023-12-25 11:10:29,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:10:29,507 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 11:10:29,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:10:29,508 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 11:10:29,514 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 11:10:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:10:29,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:10:29,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:10:30,440 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 11:10:30,440 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:10:30,440 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:10:30,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2112908876] [2023-12-25 11:10:30,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2112908876] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:10:30,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:10:30,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:10:30,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101038971] [2023-12-25 11:10:30,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:10:30,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:10:30,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:10:30,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:10:30,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:10:30,441 INFO L87 Difference]: Start difference. First operand 1083 states and 1425 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 11:10:33,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:10:33,396 INFO L93 Difference]: Finished difference Result 1265 states and 1689 transitions. [2023-12-25 11:10:33,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:10:33,396 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 11:10:33,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:10:33,398 INFO L225 Difference]: With dead ends: 1265 [2023-12-25 11:10:33,398 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:10:33,398 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 11:10:33,398 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 3463 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2562 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3463 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:10:33,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3463 Valid, 2932 Invalid, 2597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2562 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:10:33,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:10:33,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:10:33,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3510436432637571) internal successors, (1424), 1082 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:10:33,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1424 transitions. [2023-12-25 11:10:33,405 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1424 transitions. Word has length 115 [2023-12-25 11:10:33,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:10:33,405 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1424 transitions. [2023-12-25 11:10:33,405 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 11:10:33,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1424 transitions. [2023-12-25 11:10:33,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:10:33,406 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:10:33,406 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 11:10:33,410 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 (72)] Ended with exit code 0 [2023-12-25 11:10:33,613 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 11:10:33,613 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:10:33,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:10:33,614 INFO L85 PathProgramCache]: Analyzing trace with hash 574497539, now seen corresponding path program 1 times [2023-12-25 11:10:33,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:10:33,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [778033723] [2023-12-25 11:10:33,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:10:33,614 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 11:10:33,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:10:33,615 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 11:10:33,616 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 11:10:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:10:33,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:10:33,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:10:34,527 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 11:10:34,527 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:10:34,527 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:10:34,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [778033723] [2023-12-25 11:10:34,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [778033723] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:10:34,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:10:34,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:10:34,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710904916] [2023-12-25 11:10:34,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:10:34,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:10:34,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:10:34,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:10:34,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:10:34,528 INFO L87 Difference]: Start difference. First operand 1083 states and 1424 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 11:10:37,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:10:37,763 INFO L93 Difference]: Finished difference Result 1268 states and 1691 transitions. [2023-12-25 11:10:37,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:10:37,763 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 11:10:37,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:10:37,764 INFO L225 Difference]: With dead ends: 1268 [2023-12-25 11:10:37,764 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:10:37,765 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 11:10:37,765 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 4773 mSDsluCounter, 2127 mSDsCounter, 0 mSdLazyCounter, 2554 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4773 SdHoareTripleChecker+Valid, 2932 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 11:10:37,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4773 Valid, 2932 Invalid, 2589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2554 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:10:37,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:10:37,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:10:37,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3500948766603416) internal successors, (1423), 1082 states have internal predecessors, (1423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:10:37,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1423 transitions. [2023-12-25 11:10:37,773 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1423 transitions. Word has length 115 [2023-12-25 11:10:37,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:10:37,773 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1423 transitions. [2023-12-25 11:10:37,773 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 11:10:37,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1423 transitions. [2023-12-25 11:10:37,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:10:37,774 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:10:37,774 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 11:10:37,780 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 (73)] Forceful destruction successful, exit code 0 [2023-12-25 11:10:37,975 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 11:10:37,975 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 11:10:37,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:10:37,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1936027135, now seen corresponding path program 1 times [2023-12-25 11:10:37,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:10:37,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2133727873] [2023-12-25 11:10:37,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:10:37,976 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 11:10:37,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:10:37,977 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 11:10:37,978 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 11:10:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:10:38,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:10:38,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:10:38,884 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 11:10:38,884 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:10:38,884 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:10:38,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2133727873] [2023-12-25 11:10:38,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2133727873] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:10:38,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:10:38,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:10:38,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211905888] [2023-12-25 11:10:38,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:10:38,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:10:38,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:10:38,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:10:38,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:10:38,885 INFO L87 Difference]: Start difference. First operand 1083 states and 1423 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 11:10:41,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:10:41,891 INFO L93 Difference]: Finished difference Result 1265 states and 1687 transitions. [2023-12-25 11:10:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:10:41,892 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 11:10:41,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:10:41,893 INFO L225 Difference]: With dead ends: 1265 [2023-12-25 11:10:41,893 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:10:41,893 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 11:10:41,893 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 3459 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2554 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3459 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:10:41,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3459 Valid, 2932 Invalid, 2589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2554 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:10:41,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:10:41,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:10:41,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.349146110056926) internal successors, (1422), 1082 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:10:41,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1422 transitions. [2023-12-25 11:10:41,902 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1422 transitions. Word has length 115 [2023-12-25 11:10:41,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:10:41,902 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1422 transitions. [2023-12-25 11:10:41,902 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 11:10:41,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1422 transitions. [2023-12-25 11:10:41,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:10:41,903 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:10:41,903 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, 1] [2023-12-25 11:10:41,909 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 11:10:42,103 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 11:10:42,104 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 11:10:42,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:10:42,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1092344381, now seen corresponding path program 1 times [2023-12-25 11:10:42,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:10:42,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1348378254] [2023-12-25 11:10:42,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:10:42,105 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 11:10:42,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:10:42,106 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 11:10:42,106 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 11:10:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:10:42,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:10:42,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:10:42,955 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 11:10:42,955 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:10:42,955 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:10:42,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1348378254] [2023-12-25 11:10:42,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1348378254] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:10:42,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:10:42,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:10:42,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282345477] [2023-12-25 11:10:42,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:10:42,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:10:42,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:10:42,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:10:42,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:10:42,957 INFO L87 Difference]: Start difference. First operand 1083 states and 1422 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 11:10:45,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:10:45,930 INFO L93 Difference]: Finished difference Result 1262 states and 1684 transitions. [2023-12-25 11:10:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:10:45,930 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 11:10:45,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:10:45,932 INFO L225 Difference]: With dead ends: 1262 [2023-12-25 11:10:45,932 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:10:45,932 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 11:10:45,932 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 3218 mSDsluCounter, 2337 mSDsCounter, 0 mSdLazyCounter, 2517 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3218 SdHoareTripleChecker+Valid, 3190 SdHoareTripleChecker+Invalid, 2536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:10:45,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3218 Valid, 3190 Invalid, 2536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2517 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:10:45,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:10:45,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:10:45,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3481973434535104) internal successors, (1421), 1082 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:10:45,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1421 transitions. [2023-12-25 11:10:45,942 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1421 transitions. Word has length 115 [2023-12-25 11:10:45,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:10:45,942 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1421 transitions. [2023-12-25 11:10:45,942 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 11:10:45,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1421 transitions. [2023-12-25 11:10:45,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:10:45,943 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:10:45,943 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 11:10:45,950 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 11:10:46,144 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 11:10:46,144 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:10:46,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:10:46,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1962916093, now seen corresponding path program 1 times [2023-12-25 11:10:46,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:10:46,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1352637056] [2023-12-25 11:10:46,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:10:46,145 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 11:10:46,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:10:46,146 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 11:10:46,147 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 11:10:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:10:46,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:10:46,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:10:47,024 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 11:10:47,025 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:10:47,025 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:10:47,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1352637056] [2023-12-25 11:10:47,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1352637056] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:10:47,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:10:47,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:10:47,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464907442] [2023-12-25 11:10:47,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:10:47,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:10:47,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:10:47,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:10:47,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:10:47,026 INFO L87 Difference]: Start difference. First operand 1083 states and 1421 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 11:10:49,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:10:49,893 INFO L93 Difference]: Finished difference Result 1263 states and 1683 transitions. [2023-12-25 11:10:49,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:10:49,893 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 11:10:49,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:10:49,895 INFO L225 Difference]: With dead ends: 1263 [2023-12-25 11:10:49,895 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:10:49,895 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 11:10:49,895 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 3454 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2548 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3454 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:10:49,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3454 Valid, 2932 Invalid, 2583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2548 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:10:49,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:10:49,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:10:49,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3472485768500948) internal successors, (1420), 1082 states have internal predecessors, (1420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:10:49,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1420 transitions. [2023-12-25 11:10:49,902 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1420 transitions. Word has length 115 [2023-12-25 11:10:49,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:10:49,902 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1420 transitions. [2023-12-25 11:10:49,902 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 11:10:49,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1420 transitions. [2023-12-25 11:10:49,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:10:49,903 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:10:49,903 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, 1] [2023-12-25 11:10:49,907 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 11:10:50,108 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 11:10:50,108 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:10:50,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:10:50,108 INFO L85 PathProgramCache]: Analyzing trace with hash -208923731, now seen corresponding path program 1 times [2023-12-25 11:10:50,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:10:50,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [372302773] [2023-12-25 11:10:50,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:10:50,109 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 11:10:50,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:10:50,110 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 11:10:50,112 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 11:10:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:10:50,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:10:50,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:10:50,919 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 11:10:50,919 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:10:50,919 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:10:50,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [372302773] [2023-12-25 11:10:50,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [372302773] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:10:50,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:10:50,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:10:50,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289295890] [2023-12-25 11:10:50,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:10:50,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:10:50,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:10:50,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:10:50,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:10:50,920 INFO L87 Difference]: Start difference. First operand 1083 states and 1420 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 11:10:54,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:10:54,052 INFO L93 Difference]: Finished difference Result 1265 states and 1684 transitions. [2023-12-25 11:10:54,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:10:54,053 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 11:10:54,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:10:54,054 INFO L225 Difference]: With dead ends: 1265 [2023-12-25 11:10:54,054 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:10:54,054 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 11:10:54,054 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 3452 mSDsluCounter, 2131 mSDsCounter, 0 mSdLazyCounter, 2539 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3452 SdHoareTripleChecker+Valid, 2936 SdHoareTripleChecker+Invalid, 2574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:10:54,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3452 Valid, 2936 Invalid, 2574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2539 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:10:54,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:10:54,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:10:54,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3462998102466792) internal successors, (1419), 1082 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:10:54,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1419 transitions. [2023-12-25 11:10:54,061 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1419 transitions. Word has length 115 [2023-12-25 11:10:54,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:10:54,061 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1419 transitions. [2023-12-25 11:10:54,061 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 11:10:54,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1419 transitions. [2023-12-25 11:10:54,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:10:54,062 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:10:54,062 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 11:10:54,066 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 11:10:54,263 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 11:10:54,263 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 11:10:54,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:10:54,264 INFO L85 PathProgramCache]: Analyzing trace with hash -857617807, now seen corresponding path program 1 times [2023-12-25 11:10:54,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:10:54,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [299085982] [2023-12-25 11:10:54,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:10:54,264 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 11:10:54,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:10:54,265 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 11:10:54,271 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 11:10:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:10:54,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:10:54,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:10:55,146 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 11:10:55,147 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:10:55,147 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:10:55,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [299085982] [2023-12-25 11:10:55,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [299085982] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:10:55,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:10:55,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:10:55,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206364612] [2023-12-25 11:10:55,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:10:55,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:10:55,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:10:55,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:10:55,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:10:55,148 INFO L87 Difference]: Start difference. First operand 1083 states and 1419 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 11:10:58,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:10:58,050 INFO L93 Difference]: Finished difference Result 1265 states and 1683 transitions. [2023-12-25 11:10:58,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:10:58,050 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 11:10:58,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:10:58,051 INFO L225 Difference]: With dead ends: 1265 [2023-12-25 11:10:58,051 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:10:58,052 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 11:10:58,052 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 3450 mSDsluCounter, 2131 mSDsCounter, 0 mSdLazyCounter, 2535 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3450 SdHoareTripleChecker+Valid, 2936 SdHoareTripleChecker+Invalid, 2570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:10:58,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3450 Valid, 2936 Invalid, 2570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2535 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:10:58,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:10:58,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:10:58,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3453510436432639) internal successors, (1418), 1082 states have internal predecessors, (1418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:10:58,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1418 transitions. [2023-12-25 11:10:58,059 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1418 transitions. Word has length 115 [2023-12-25 11:10:58,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:10:58,059 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1418 transitions. [2023-12-25 11:10:58,059 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 11:10:58,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1418 transitions. [2023-12-25 11:10:58,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:10:58,060 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:10:58,060 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 11:10:58,066 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 11:10:58,264 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 11:10:58,265 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:10:58,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:10:58,265 INFO L85 PathProgramCache]: Analyzing trace with hash -2121193999, now seen corresponding path program 1 times [2023-12-25 11:10:58,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:10:58,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [578679144] [2023-12-25 11:10:58,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:10:58,265 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 11:10:58,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:10:58,266 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 11:10:58,267 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 11:10:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:10:58,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:10:58,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:10:59,131 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 11:10:59,131 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:10:59,131 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:10:59,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [578679144] [2023-12-25 11:10:59,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [578679144] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:10:59,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:10:59,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:10:59,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235933604] [2023-12-25 11:10:59,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:10:59,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:10:59,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:10:59,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:10:59,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:10:59,132 INFO L87 Difference]: Start difference. First operand 1083 states and 1418 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 11:11:01,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:11:01,993 INFO L93 Difference]: Finished difference Result 1182 states and 1558 transitions. [2023-12-25 11:11:01,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:11:01,994 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 11:11:01,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:11:01,995 INFO L225 Difference]: With dead ends: 1182 [2023-12-25 11:11:01,995 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:11:01,996 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 11:11:01,996 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 3450 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2531 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3450 SdHoareTripleChecker+Valid, 2933 SdHoareTripleChecker+Invalid, 2566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:11:01,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3450 Valid, 2933 Invalid, 2566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2531 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:11:01,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:11:02,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:11:02,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3444022770398483) internal successors, (1417), 1082 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:11:02,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1417 transitions. [2023-12-25 11:11:02,002 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1417 transitions. Word has length 115 [2023-12-25 11:11:02,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:11:02,003 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1417 transitions. [2023-12-25 11:11:02,003 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 11:11:02,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1417 transitions. [2023-12-25 11:11:02,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:11:02,004 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:11:02,004 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, 1] [2023-12-25 11:11:02,012 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 11:11:02,208 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 11:11:02,208 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 11:11:02,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:11:02,209 INFO L85 PathProgramCache]: Analyzing trace with hash -337162479, now seen corresponding path program 1 times [2023-12-25 11:11:02,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:11:02,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [167362258] [2023-12-25 11:11:02,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:11:02,210 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 11:11:02,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:11:02,211 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 11:11:02,212 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 11:11:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:11:02,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:11:02,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:11:03,116 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 11:11:03,116 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:11:03,116 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:11:03,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [167362258] [2023-12-25 11:11:03,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [167362258] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:11:03,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:11:03,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:11:03,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916640537] [2023-12-25 11:11:03,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:11:03,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:11:03,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:11:03,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:11:03,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:11:03,117 INFO L87 Difference]: Start difference. First operand 1083 states and 1417 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 11:11:06,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:11:06,015 INFO L93 Difference]: Finished difference Result 1265 states and 1681 transitions. [2023-12-25 11:11:06,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:11:06,016 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 11:11:06,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:11:06,017 INFO L225 Difference]: With dead ends: 1265 [2023-12-25 11:11:06,017 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:11:06,017 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 11:11:06,017 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 4263 mSDsluCounter, 2131 mSDsCounter, 0 mSdLazyCounter, 2527 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4263 SdHoareTripleChecker+Valid, 2936 SdHoareTripleChecker+Invalid, 2562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:11:06,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4263 Valid, 2936 Invalid, 2562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2527 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:11:06,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:11:06,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:11:06,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3434535104364327) internal successors, (1416), 1082 states have internal predecessors, (1416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:11:06,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1416 transitions. [2023-12-25 11:11:06,024 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1416 transitions. Word has length 115 [2023-12-25 11:11:06,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:11:06,024 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1416 transitions. [2023-12-25 11:11:06,024 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 11:11:06,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1416 transitions. [2023-12-25 11:11:06,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:11:06,025 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:11:06,025 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 11:11:06,031 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 (80)] Forceful destruction successful, exit code 0 [2023-12-25 11:11:06,232 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 11:11:06,232 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:11:06,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:11:06,233 INFO L85 PathProgramCache]: Analyzing trace with hash -784016308, now seen corresponding path program 1 times [2023-12-25 11:11:06,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:11:06,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1183762515] [2023-12-25 11:11:06,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:11:06,233 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 11:11:06,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:11:06,234 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 11:11:06,235 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 11:11:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:11:06,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:11:06,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:11:07,095 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 11:11:07,095 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:11:07,095 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:11:07,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1183762515] [2023-12-25 11:11:07,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1183762515] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:11:07,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:11:07,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:11:07,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483515425] [2023-12-25 11:11:07,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:11:07,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:11:07,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:11:07,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:11:07,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:11:07,096 INFO L87 Difference]: Start difference. First operand 1083 states and 1416 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 11:11:09,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:11:09,951 INFO L93 Difference]: Finished difference Result 1263 states and 1678 transitions. [2023-12-25 11:11:09,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:11:09,952 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 11:11:09,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:11:09,953 INFO L225 Difference]: With dead ends: 1263 [2023-12-25 11:11:09,953 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:11:09,953 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 11:11:09,953 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 4759 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2528 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4759 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:11:09,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4759 Valid, 2932 Invalid, 2563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2528 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:11:09,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:11:09,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:11:09,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.342504743833017) internal successors, (1415), 1082 states have internal predecessors, (1415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:11:09,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1415 transitions. [2023-12-25 11:11:09,981 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1415 transitions. Word has length 115 [2023-12-25 11:11:09,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:11:09,982 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1415 transitions. [2023-12-25 11:11:09,982 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 11:11:09,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1415 transitions. [2023-12-25 11:11:09,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:11:09,983 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:11:09,983 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 11:11:10,000 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 (81)] Ended with exit code 0 [2023-12-25 11:11:10,183 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 11:11:10,183 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 11:11:10,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:11:10,184 INFO L85 PathProgramCache]: Analyzing trace with hash 870440991, now seen corresponding path program 1 times [2023-12-25 11:11:10,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:11:10,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1339317580] [2023-12-25 11:11:10,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:11:10,185 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 11:11:10,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:11:10,186 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 11:11:10,187 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 (82)] Waiting until timeout for monitored process [2023-12-25 11:11:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:11:10,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:11:10,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:11:11,036 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 11:11:11,036 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:11:11,036 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:11:11,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1339317580] [2023-12-25 11:11:11,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1339317580] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:11:11,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:11:11,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:11:11,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472337232] [2023-12-25 11:11:11,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:11:11,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:11:11,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:11:11,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:11:11,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:11:11,037 INFO L87 Difference]: Start difference. First operand 1083 states and 1415 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 11:11:14,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:11:14,226 INFO L93 Difference]: Finished difference Result 1263 states and 1677 transitions. [2023-12-25 11:11:14,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:11:14,226 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 11:11:14,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:11:14,228 INFO L225 Difference]: With dead ends: 1263 [2023-12-25 11:11:14,228 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:11:14,228 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 11:11:14,228 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 3442 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2524 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3442 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:11:14,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3442 Valid, 2932 Invalid, 2559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2524 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:11:14,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:11:14,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:11:14,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3415559772296015) internal successors, (1414), 1082 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:11:14,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1414 transitions. [2023-12-25 11:11:14,235 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1414 transitions. Word has length 115 [2023-12-25 11:11:14,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:11:14,235 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1414 transitions. [2023-12-25 11:11:14,235 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 11:11:14,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1414 transitions. [2023-12-25 11:11:14,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:11:14,236 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:11:14,236 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 11:11:14,240 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 (82)] Forceful destruction successful, exit code 0 [2023-12-25 11:11:14,436 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 11:11:14,436 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 11:11:14,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:11:14,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1406104069, now seen corresponding path program 1 times [2023-12-25 11:11:14,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:11:14,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2019782423] [2023-12-25 11:11:14,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:11:14,437 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 11:11:14,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:11:14,438 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 11:11:14,456 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 11:11:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:11:14,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:11:14,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:11:15,347 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 11:11:15,347 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:11:15,347 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:11:15,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2019782423] [2023-12-25 11:11:15,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2019782423] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:11:15,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:11:15,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:11:15,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424569121] [2023-12-25 11:11:15,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:11:15,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:11:15,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:11:15,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:11:15,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:11:15,348 INFO L87 Difference]: Start difference. First operand 1083 states and 1414 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 11:11:18,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:11:18,478 INFO L93 Difference]: Finished difference Result 1265 states and 1678 transitions. [2023-12-25 11:11:18,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:11:18,479 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 11:11:18,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:11:18,480 INFO L225 Difference]: With dead ends: 1265 [2023-12-25 11:11:18,480 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:11:18,481 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 11:11:18,481 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 3440 mSDsluCounter, 2131 mSDsCounter, 0 mSdLazyCounter, 2515 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3440 SdHoareTripleChecker+Valid, 2936 SdHoareTripleChecker+Invalid, 2550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:11:18,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3440 Valid, 2936 Invalid, 2550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2515 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:11:18,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:11:18,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:11:18,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.340607210626186) internal successors, (1413), 1082 states have internal predecessors, (1413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:11:18,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1413 transitions. [2023-12-25 11:11:18,488 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1413 transitions. Word has length 115 [2023-12-25 11:11:18,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:11:18,488 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1413 transitions. [2023-12-25 11:11:18,488 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 11:11:18,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1413 transitions. [2023-12-25 11:11:18,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:11:18,489 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:11:18,489 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 11:11:18,493 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 11:11:18,693 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 11:11:18,693 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 11:11:18,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:11:18,693 INFO L85 PathProgramCache]: Analyzing trace with hash -514362749, now seen corresponding path program 1 times [2023-12-25 11:11:18,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:11:18,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [393761972] [2023-12-25 11:11:18,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:11:18,694 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 11:11:18,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:11:18,695 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 11:11:18,695 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 (84)] Waiting until timeout for monitored process [2023-12-25 11:11:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:11:19,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:11:19,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:11:19,574 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 11:11:19,574 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:11:19,574 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:11:19,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [393761972] [2023-12-25 11:11:19,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [393761972] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:11:19,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:11:19,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:11:19,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741156120] [2023-12-25 11:11:19,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:11:19,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:11:19,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:11:19,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:11:19,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:11:19,575 INFO L87 Difference]: Start difference. First operand 1083 states and 1413 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 11:11:22,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:11:22,602 INFO L93 Difference]: Finished difference Result 1263 states and 1675 transitions. [2023-12-25 11:11:22,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:11:22,602 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 11:11:22,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:11:22,603 INFO L225 Difference]: With dead ends: 1263 [2023-12-25 11:11:22,604 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:11:22,604 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 11:11:22,604 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 3438 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2516 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3438 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:11:22,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3438 Valid, 2932 Invalid, 2551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2516 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:11:22,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:11:22,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:11:22,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3396584440227703) internal successors, (1412), 1082 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:11:22,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1412 transitions. [2023-12-25 11:11:22,610 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1412 transitions. Word has length 115 [2023-12-25 11:11:22,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:11:22,611 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1412 transitions. [2023-12-25 11:11:22,611 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 11:11:22,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1412 transitions. [2023-12-25 11:11:22,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:11:22,611 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:11:22,612 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 11:11:22,615 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 (84)] Ended with exit code 0 [2023-12-25 11:11:22,812 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 11:11:22,812 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:11:22,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:11:22,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1140094550, now seen corresponding path program 1 times [2023-12-25 11:11:22,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:11:22,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1299076357] [2023-12-25 11:11:22,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:11:22,813 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 11:11:22,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:11:22,814 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 11:11:22,815 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 11:11:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:11:23,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:11:23,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:11:23,644 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 11:11:23,644 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:11:23,645 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:11:23,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1299076357] [2023-12-25 11:11:23,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1299076357] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:11:23,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:11:23,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:11:23,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107750833] [2023-12-25 11:11:23,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:11:23,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:11:23,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:11:23,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:11:23,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:11:23,646 INFO L87 Difference]: Start difference. First operand 1083 states and 1412 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 11:11:26,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:11:26,508 INFO L93 Difference]: Finished difference Result 1263 states and 1674 transitions. [2023-12-25 11:11:26,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:11:26,508 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 11:11:26,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:11:26,510 INFO L225 Difference]: With dead ends: 1263 [2023-12-25 11:11:26,510 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:11:26,510 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 11:11:26,510 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 3436 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2512 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3436 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:11:26,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3436 Valid, 2932 Invalid, 2547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2512 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:11:26,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:11:26,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:11:26,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3387096774193548) internal successors, (1411), 1082 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:11:26,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1411 transitions. [2023-12-25 11:11:26,516 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1411 transitions. Word has length 115 [2023-12-25 11:11:26,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:11:26,517 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1411 transitions. [2023-12-25 11:11:26,517 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 11:11:26,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1411 transitions. [2023-12-25 11:11:26,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:11:26,518 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:11:26,518 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 11:11:26,522 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 11:11:26,718 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 11:11:26,718 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 11:11:26,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:11:26,719 INFO L85 PathProgramCache]: Analyzing trace with hash 227859619, now seen corresponding path program 1 times [2023-12-25 11:11:26,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:11:26,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [657586532] [2023-12-25 11:11:26,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:11:26,719 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 11:11:26,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:11:26,721 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 11:11:26,723 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 11:11:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:11:27,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:11:27,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:11:27,645 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 11:11:27,646 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:11:27,646 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:11:27,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [657586532] [2023-12-25 11:11:27,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [657586532] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:11:27,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:11:27,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:11:27,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556112500] [2023-12-25 11:11:27,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:11:27,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:11:27,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:11:27,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:11:27,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:11:27,647 INFO L87 Difference]: Start difference. First operand 1083 states and 1411 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 11:11:30,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:11:30,650 INFO L93 Difference]: Finished difference Result 1263 states and 1673 transitions. [2023-12-25 11:11:30,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:11:30,651 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 11:11:30,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:11:30,652 INFO L225 Difference]: With dead ends: 1263 [2023-12-25 11:11:30,652 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:11:30,652 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 11:11:30,652 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 3434 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2508 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3434 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:11:30,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3434 Valid, 2932 Invalid, 2543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2508 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:11:30,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:11:30,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:11:30,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3377609108159392) internal successors, (1410), 1082 states have internal predecessors, (1410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:11:30,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1410 transitions. [2023-12-25 11:11:30,659 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1410 transitions. Word has length 115 [2023-12-25 11:11:30,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:11:30,659 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1410 transitions. [2023-12-25 11:11:30,659 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 11:11:30,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1410 transitions. [2023-12-25 11:11:30,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:11:30,660 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:11:30,660 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 11:11:30,664 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 11:11:30,864 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 11:11:30,864 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 11:11:30,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:11:30,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1441073961, now seen corresponding path program 1 times [2023-12-25 11:11:30,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:11:30,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [771332539] [2023-12-25 11:11:30,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:11:30,865 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 11:11:30,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:11:30,866 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 11:11:30,867 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 11:11:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:11:31,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:11:31,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:11:31,740 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 11:11:31,740 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:11:31,740 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:11:31,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [771332539] [2023-12-25 11:11:31,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [771332539] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:11:31,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:11:31,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:11:31,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60438435] [2023-12-25 11:11:31,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:11:31,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:11:31,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:11:31,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:11:31,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:11:31,743 INFO L87 Difference]: Start difference. First operand 1083 states and 1410 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 11:11:34,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:11:34,700 INFO L93 Difference]: Finished difference Result 1265 states and 1674 transitions. [2023-12-25 11:11:34,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:11:34,700 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 11:11:34,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:11:34,701 INFO L225 Difference]: With dead ends: 1265 [2023-12-25 11:11:34,701 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:11:34,702 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 11:11:34,702 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 3432 mSDsluCounter, 2131 mSDsCounter, 0 mSdLazyCounter, 2499 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3432 SdHoareTripleChecker+Valid, 2936 SdHoareTripleChecker+Invalid, 2534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:11:34,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3432 Valid, 2936 Invalid, 2534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2499 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:11:34,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:11:34,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:11:34,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3368121442125238) internal successors, (1409), 1082 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:11:34,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1409 transitions. [2023-12-25 11:11:34,708 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1409 transitions. Word has length 115 [2023-12-25 11:11:34,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:11:34,708 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1409 transitions. [2023-12-25 11:11:34,708 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 11:11:34,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1409 transitions. [2023-12-25 11:11:34,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:11:34,709 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:11:34,709 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 11:11:34,715 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 11:11:34,912 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 11:11:34,912 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:11:34,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:11:34,913 INFO L85 PathProgramCache]: Analyzing trace with hash 175977486, now seen corresponding path program 1 times [2023-12-25 11:11:34,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:11:34,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556653996] [2023-12-25 11:11:34,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:11:34,913 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 11:11:34,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:11:34,914 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 11:11:34,915 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 11:11:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:11:35,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:11:35,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:11:35,815 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 11:11:35,815 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:11:35,815 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:11:35,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556653996] [2023-12-25 11:11:35,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1556653996] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:11:35,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:11:35,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:11:35,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007799158] [2023-12-25 11:11:35,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:11:35,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:11:35,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:11:35,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:11:35,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:11:35,816 INFO L87 Difference]: Start difference. First operand 1083 states and 1409 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 11:11:39,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:11:39,041 INFO L93 Difference]: Finished difference Result 1182 states and 1549 transitions. [2023-12-25 11:11:39,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:11:39,041 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 11:11:39,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:11:39,042 INFO L225 Difference]: With dead ends: 1182 [2023-12-25 11:11:39,042 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:11:39,043 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 11:11:39,043 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 3432 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2495 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3432 SdHoareTripleChecker+Valid, 2933 SdHoareTripleChecker+Invalid, 2530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:11:39,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3432 Valid, 2933 Invalid, 2530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2495 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 11:11:39,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:11:39,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:11:39,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3358633776091082) internal successors, (1408), 1082 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:11:39,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1408 transitions. [2023-12-25 11:11:39,050 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1408 transitions. Word has length 115 [2023-12-25 11:11:39,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:11:39,050 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1408 transitions. [2023-12-25 11:11:39,050 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 11:11:39,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1408 transitions. [2023-12-25 11:11:39,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:11:39,051 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:11:39,051 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 11:11:39,059 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 (88)] Ended with exit code 0 [2023-12-25 11:11:39,252 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 11:11:39,252 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 11:11:39,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:11:39,253 INFO L85 PathProgramCache]: Analyzing trace with hash 2089768037, now seen corresponding path program 1 times [2023-12-25 11:11:39,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:11:39,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [49745013] [2023-12-25 11:11:39,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:11:39,253 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 11:11:39,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:11:39,254 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 11:11:39,255 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 11:11:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:11:39,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:11:39,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:11:40,176 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 11:11:40,176 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:11:40,176 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:11:40,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [49745013] [2023-12-25 11:11:40,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [49745013] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:11:40,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:11:40,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:11:40,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664792880] [2023-12-25 11:11:40,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:11:40,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:11:40,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:11:40,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:11:40,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:11:40,178 INFO L87 Difference]: Start difference. First operand 1083 states and 1408 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 11:11:43,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:11:43,152 INFO L93 Difference]: Finished difference Result 1265 states and 1672 transitions. [2023-12-25 11:11:43,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:11:43,152 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 11:11:43,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:11:43,154 INFO L225 Difference]: With dead ends: 1265 [2023-12-25 11:11:43,154 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:11:43,154 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 11:11:43,154 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 4244 mSDsluCounter, 2131 mSDsCounter, 0 mSdLazyCounter, 2491 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4244 SdHoareTripleChecker+Valid, 2936 SdHoareTripleChecker+Invalid, 2526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:11:43,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4244 Valid, 2936 Invalid, 2526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2491 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:11:43,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:11:43,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:11:43,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3349146110056926) internal successors, (1407), 1082 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:11:43,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1407 transitions. [2023-12-25 11:11:43,161 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1407 transitions. Word has length 115 [2023-12-25 11:11:43,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:11:43,161 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1407 transitions. [2023-12-25 11:11:43,161 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 11:11:43,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1407 transitions. [2023-12-25 11:11:43,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:11:43,162 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:11:43,162 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 11:11:43,168 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 11:11:43,366 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 11:11:43,366 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:11:43,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:11:43,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1618113728, now seen corresponding path program 1 times [2023-12-25 11:11:43,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:11:43,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1156463175] [2023-12-25 11:11:43,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:11:43,367 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 11:11:43,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:11:43,368 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 11:11:43,395 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 (90)] Waiting until timeout for monitored process [2023-12-25 11:11:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:11:43,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:11:43,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:11:44,271 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 11:11:44,271 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:11:44,272 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:11:44,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1156463175] [2023-12-25 11:11:44,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1156463175] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:11:44,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:11:44,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:11:44,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349697909] [2023-12-25 11:11:44,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:11:44,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:11:44,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:11:44,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:11:44,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:11:44,273 INFO L87 Difference]: Start difference. First operand 1083 states and 1407 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 11:11:47,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:11:47,226 INFO L93 Difference]: Finished difference Result 1263 states and 1669 transitions. [2023-12-25 11:11:47,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:11:47,226 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 11:11:47,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:11:47,227 INFO L225 Difference]: With dead ends: 1263 [2023-12-25 11:11:47,227 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:11:47,228 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 11:11:47,232 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 4732 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2492 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4732 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:11:47,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4732 Valid, 2932 Invalid, 2527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2492 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:11:47,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:11:47,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:11:47,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.333965844402277) internal successors, (1406), 1082 states have internal predecessors, (1406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:11:47,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1406 transitions. [2023-12-25 11:11:47,241 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1406 transitions. Word has length 115 [2023-12-25 11:11:47,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:11:47,241 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1406 transitions. [2023-12-25 11:11:47,241 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 11:11:47,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1406 transitions. [2023-12-25 11:11:47,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:11:47,242 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:11:47,242 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, 1, 1, 1] [2023-12-25 11:11:47,247 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 (90)] Ended with exit code 0 [2023-12-25 11:11:47,446 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 11:11:47,446 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 11:11:47,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:11:47,447 INFO L85 PathProgramCache]: Analyzing trace with hash -627761618, now seen corresponding path program 1 times [2023-12-25 11:11:47,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:11:47,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [190543328] [2023-12-25 11:11:47,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:11:47,447 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 11:11:47,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:11:47,448 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 11:11:47,450 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 11:11:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:11:47,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:11:47,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:11:48,365 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 11:11:48,366 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:11:48,366 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:11:48,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [190543328] [2023-12-25 11:11:48,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [190543328] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:11:48,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:11:48,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:11:48,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172924397] [2023-12-25 11:11:48,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:11:48,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:11:48,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:11:48,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:11:48,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:11:48,367 INFO L87 Difference]: Start difference. First operand 1083 states and 1406 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 11:11:51,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:11:51,369 INFO L93 Difference]: Finished difference Result 1182 states and 1546 transitions. [2023-12-25 11:11:51,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:11:51,370 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 11:11:51,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:11:51,371 INFO L225 Difference]: With dead ends: 1182 [2023-12-25 11:11:51,371 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:11:51,371 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 11:11:51,372 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 4729 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2483 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4729 SdHoareTripleChecker+Valid, 2933 SdHoareTripleChecker+Invalid, 2518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:11:51,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4729 Valid, 2933 Invalid, 2518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2483 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:11:51,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:11:51,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:11:51,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3330170777988615) internal successors, (1405), 1082 states have internal predecessors, (1405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:11:51,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1405 transitions. [2023-12-25 11:11:51,378 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1405 transitions. Word has length 115 [2023-12-25 11:11:51,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:11:51,378 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1405 transitions. [2023-12-25 11:11:51,378 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 11:11:51,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1405 transitions. [2023-12-25 11:11:51,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:11:51,379 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:11:51,379 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 11:11:51,388 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 (91)] Forceful destruction successful, exit code 0 [2023-12-25 11:11:51,583 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 11:11:51,584 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 11:11:51,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:11:51,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1284435484, now seen corresponding path program 1 times [2023-12-25 11:11:51,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:11:51,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [174603433] [2023-12-25 11:11:51,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:11:51,585 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 11:11:51,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:11:51,586 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 11:11:51,608 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 11:11:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:11:51,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:11:51,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:11:52,542 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 11:11:52,543 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:11:52,543 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:11:52,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [174603433] [2023-12-25 11:11:52,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [174603433] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:11:52,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:11:52,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:11:52,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875773616] [2023-12-25 11:11:52,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:11:52,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:11:52,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:11:52,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:11:52,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:11:52,544 INFO L87 Difference]: Start difference. First operand 1083 states and 1405 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 11:11:55,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:11:55,419 INFO L93 Difference]: Finished difference Result 1186 states and 1549 transitions. [2023-12-25 11:11:55,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:11:55,419 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 11:11:55,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:11:55,421 INFO L225 Difference]: With dead ends: 1186 [2023-12-25 11:11:55,421 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:11:55,421 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 11:11:55,421 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 3191 mSDsluCounter, 2328 mSDsCounter, 0 mSdLazyCounter, 2449 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3191 SdHoareTripleChecker+Valid, 3181 SdHoareTripleChecker+Invalid, 2468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:11:55,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3191 Valid, 3181 Invalid, 2468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2449 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:11:55,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:11:55,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:11:55,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3320683111954459) internal successors, (1404), 1082 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:11:55,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1404 transitions. [2023-12-25 11:11:55,428 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1404 transitions. Word has length 115 [2023-12-25 11:11:55,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:11:55,428 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1404 transitions. [2023-12-25 11:11:55,428 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 11:11:55,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1404 transitions. [2023-12-25 11:11:55,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:11:55,429 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:11:55,429 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 11:11:55,433 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 11:11:55,633 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 11:11:55,633 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 11:11:55,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:11:55,633 INFO L85 PathProgramCache]: Analyzing trace with hash -117684544, now seen corresponding path program 1 times [2023-12-25 11:11:55,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:11:55,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [317917277] [2023-12-25 11:11:55,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:11:55,634 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 11:11:55,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:11:55,635 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 11:11:55,636 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 11:11:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:11:56,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:11:56,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:11:56,545 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 11:11:56,545 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:11:56,545 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:11:56,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [317917277] [2023-12-25 11:11:56,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [317917277] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:11:56,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:11:56,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:11:56,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105652849] [2023-12-25 11:11:56,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:11:56,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:11:56,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:11:56,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:11:56,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:11:56,546 INFO L87 Difference]: Start difference. First operand 1083 states and 1404 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 11:11:59,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:11:59,543 INFO L93 Difference]: Finished difference Result 1265 states and 1668 transitions. [2023-12-25 11:11:59,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:11:59,543 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 11:11:59,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:11:59,544 INFO L225 Difference]: With dead ends: 1265 [2023-12-25 11:11:59,544 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:11:59,545 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 11:11:59,545 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 4721 mSDsluCounter, 2131 mSDsCounter, 0 mSdLazyCounter, 2476 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4721 SdHoareTripleChecker+Valid, 2936 SdHoareTripleChecker+Invalid, 2511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:11:59,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4721 Valid, 2936 Invalid, 2511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2476 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:11:59,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:11:59,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:11:59,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3311195445920303) internal successors, (1403), 1082 states have internal predecessors, (1403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:11:59,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1403 transitions. [2023-12-25 11:11:59,551 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1403 transitions. Word has length 115 [2023-12-25 11:11:59,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:11:59,551 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1403 transitions. [2023-12-25 11:11:59,551 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 11:11:59,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1403 transitions. [2023-12-25 11:11:59,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:11:59,552 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:11:59,552 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 11:11:59,557 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 (93)] Ended with exit code 0 [2023-12-25 11:11:59,756 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 11:11:59,757 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 11:11:59,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:11:59,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1382898193, now seen corresponding path program 1 times [2023-12-25 11:11:59,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:11:59,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [194060881] [2023-12-25 11:11:59,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:11:59,757 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 11:11:59,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:11:59,758 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 11:11:59,793 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 11:12:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:12:00,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:12:00,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:12:00,659 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 11:12:00,659 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:12:00,659 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:12:00,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [194060881] [2023-12-25 11:12:00,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [194060881] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:12:00,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:12:00,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:12:00,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218906712] [2023-12-25 11:12:00,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:12:00,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:12:00,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:12:00,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:12:00,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:12:00,660 INFO L87 Difference]: Start difference. First operand 1083 states and 1403 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 11:12:03,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:12:03,636 INFO L93 Difference]: Finished difference Result 1182 states and 1543 transitions. [2023-12-25 11:12:03,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:12:03,636 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 11:12:03,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:12:03,637 INFO L225 Difference]: With dead ends: 1182 [2023-12-25 11:12:03,637 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:12:03,638 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 11:12:03,638 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 3419 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2472 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3419 SdHoareTripleChecker+Valid, 2933 SdHoareTripleChecker+Invalid, 2507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:12:03,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3419 Valid, 2933 Invalid, 2507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2472 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:12:03,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:12:03,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:12:03,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3301707779886147) internal successors, (1402), 1082 states have internal predecessors, (1402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:03,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1402 transitions. [2023-12-25 11:12:03,661 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1402 transitions. Word has length 115 [2023-12-25 11:12:03,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:12:03,661 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1402 transitions. [2023-12-25 11:12:03,661 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 11:12:03,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1402 transitions. [2023-12-25 11:12:03,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:12:03,662 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:12:03,663 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 11:12:03,667 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 11:12:03,863 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 11:12:03,863 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 11:12:03,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:12:03,863 INFO L85 PathProgramCache]: Analyzing trace with hash 2001833042, now seen corresponding path program 1 times [2023-12-25 11:12:03,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:12:03,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [509381976] [2023-12-25 11:12:03,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:12:03,864 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 11:12:03,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:12:03,865 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 11:12:03,866 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 11:12:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:12:04,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:12:04,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:12:04,805 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 11:12:04,805 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:12:04,805 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:12:04,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [509381976] [2023-12-25 11:12:04,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [509381976] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:12:04,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:12:04,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:12:04,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446290396] [2023-12-25 11:12:04,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:12:04,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:12:04,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:12:04,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:12:04,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:12:04,806 INFO L87 Difference]: Start difference. First operand 1083 states and 1402 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 11:12:07,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:12:07,772 INFO L93 Difference]: Finished difference Result 1263 states and 1664 transitions. [2023-12-25 11:12:07,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:12:07,773 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 11:12:07,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:12:07,774 INFO L225 Difference]: With dead ends: 1263 [2023-12-25 11:12:07,774 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:12:07,774 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 11:12:07,775 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 3415 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2473 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3415 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:12:07,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3415 Valid, 2932 Invalid, 2508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2473 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:12:07,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:12:07,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:12:07,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3292220113851991) internal successors, (1401), 1082 states have internal predecessors, (1401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:07,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1401 transitions. [2023-12-25 11:12:07,781 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1401 transitions. Word has length 115 [2023-12-25 11:12:07,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:12:07,781 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1401 transitions. [2023-12-25 11:12:07,781 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 11:12:07,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1401 transitions. [2023-12-25 11:12:07,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:12:07,782 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:12:07,782 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 11:12:07,789 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 11:12:07,986 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 11:12:07,987 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 11:12:07,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:12:07,987 INFO L85 PathProgramCache]: Analyzing trace with hash -696627684, now seen corresponding path program 1 times [2023-12-25 11:12:07,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:12:07,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1793776437] [2023-12-25 11:12:07,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:12:07,988 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 11:12:07,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:12:07,990 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 11:12:07,991 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 (96)] Waiting until timeout for monitored process [2023-12-25 11:12:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:12:08,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:12:08,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:12:08,918 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 11:12:08,918 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:12:08,918 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:12:08,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1793776437] [2023-12-25 11:12:08,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1793776437] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:12:08,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:12:08,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:12:08,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689911036] [2023-12-25 11:12:08,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:12:08,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:12:08,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:12:08,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:12:08,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:12:08,919 INFO L87 Difference]: Start difference. First operand 1083 states and 1401 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 11:12:11,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:12:11,925 INFO L93 Difference]: Finished difference Result 1265 states and 1665 transitions. [2023-12-25 11:12:11,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:12:11,925 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 11:12:11,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:12:11,926 INFO L225 Difference]: With dead ends: 1265 [2023-12-25 11:12:11,926 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:12:11,927 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 11:12:11,927 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 3413 mSDsluCounter, 2131 mSDsCounter, 0 mSdLazyCounter, 2464 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3413 SdHoareTripleChecker+Valid, 2936 SdHoareTripleChecker+Invalid, 2499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-25 11:12:11,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3413 Valid, 2936 Invalid, 2499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2464 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:12:11,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:12:11,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:12:11,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3282732447817838) internal successors, (1400), 1082 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:11,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1400 transitions. [2023-12-25 11:12:11,961 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1400 transitions. Word has length 115 [2023-12-25 11:12:11,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:12:11,962 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1400 transitions. [2023-12-25 11:12:11,962 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 11:12:11,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1400 transitions. [2023-12-25 11:12:11,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:12:11,963 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:12:11,963 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 11:12:11,967 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 11:12:12,163 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 11:12:12,164 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 11:12:12,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:12:12,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1345321760, now seen corresponding path program 1 times [2023-12-25 11:12:12,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:12:12,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [492811238] [2023-12-25 11:12:12,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:12:12,164 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 11:12:12,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:12:12,166 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 11:12:12,167 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 11:12:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:12:12,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:12:12,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:12:12,993 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 11:12:12,993 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:12:12,993 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:12:12,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [492811238] [2023-12-25 11:12:12,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [492811238] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:12:12,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:12:12,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:12:12,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051102673] [2023-12-25 11:12:12,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:12:12,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:12:12,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:12:12,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:12:12,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:12:12,994 INFO L87 Difference]: Start difference. First operand 1083 states and 1400 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 11:12:15,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:12:15,953 INFO L93 Difference]: Finished difference Result 1265 states and 1664 transitions. [2023-12-25 11:12:15,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:12:15,954 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 11:12:15,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:12:15,955 INFO L225 Difference]: With dead ends: 1265 [2023-12-25 11:12:15,955 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:12:15,955 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 11:12:15,956 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 3411 mSDsluCounter, 2131 mSDsCounter, 0 mSdLazyCounter, 2460 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3411 SdHoareTripleChecker+Valid, 2936 SdHoareTripleChecker+Invalid, 2495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:12:15,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3411 Valid, 2936 Invalid, 2495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2460 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:12:15,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:12:15,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:12:15,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3273244781783682) internal successors, (1399), 1082 states have internal predecessors, (1399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:15,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1399 transitions. [2023-12-25 11:12:15,962 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1399 transitions. Word has length 115 [2023-12-25 11:12:15,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:12:15,962 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1399 transitions. [2023-12-25 11:12:15,962 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 11:12:15,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1399 transitions. [2023-12-25 11:12:15,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:12:15,963 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:12:15,963 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 11:12:15,970 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 11:12:16,170 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 11:12:16,170 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:12:16,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:12:16,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1684766528, now seen corresponding path program 1 times [2023-12-25 11:12:16,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:12:16,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [920205265] [2023-12-25 11:12:16,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:12:16,171 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 11:12:16,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:12:16,172 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 11:12:16,174 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 11:12:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:12:16,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:12:16,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:12:17,058 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 11:12:17,059 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:12:17,059 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:12:17,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [920205265] [2023-12-25 11:12:17,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [920205265] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:12:17,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:12:17,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:12:17,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255951128] [2023-12-25 11:12:17,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:12:17,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:12:17,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:12:17,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:12:17,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:12:17,060 INFO L87 Difference]: Start difference. First operand 1083 states and 1399 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 11:12:20,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:12:20,014 INFO L93 Difference]: Finished difference Result 1182 states and 1539 transitions. [2023-12-25 11:12:20,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:12:20,014 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 11:12:20,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:12:20,015 INFO L225 Difference]: With dead ends: 1182 [2023-12-25 11:12:20,015 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:12:20,015 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 11:12:20,016 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 3411 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2456 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3411 SdHoareTripleChecker+Valid, 2933 SdHoareTripleChecker+Invalid, 2491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:12:20,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3411 Valid, 2933 Invalid, 2491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2456 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:12:20,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:12:20,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:12:20,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3263757115749526) internal successors, (1398), 1082 states have internal predecessors, (1398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:20,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1398 transitions. [2023-12-25 11:12:20,034 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1398 transitions. Word has length 115 [2023-12-25 11:12:20,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:12:20,034 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1398 transitions. [2023-12-25 11:12:20,034 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 11:12:20,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1398 transitions. [2023-12-25 11:12:20,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:12:20,035 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:12:20,035 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 11:12:20,040 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 (98)] Ended with exit code 0 [2023-12-25 11:12:20,239 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 11:12:20,239 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:12:20,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:12:20,239 INFO L85 PathProgramCache]: Analyzing trace with hash -824866432, now seen corresponding path program 1 times [2023-12-25 11:12:20,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:12:20,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [288569604] [2023-12-25 11:12:20,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:12:20,240 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 11:12:20,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:12:20,241 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 11:12:20,241 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 (99)] Waiting until timeout for monitored process [2023-12-25 11:12:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:12:20,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:12:20,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:12:21,152 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 11:12:21,152 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:12:21,152 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:12:21,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [288569604] [2023-12-25 11:12:21,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [288569604] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:12:21,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:12:21,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:12:21,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729266696] [2023-12-25 11:12:21,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:12:21,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:12:21,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:12:21,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:12:21,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:12:21,153 INFO L87 Difference]: Start difference. First operand 1083 states and 1398 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 11:12:24,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:12:24,098 INFO L93 Difference]: Finished difference Result 1265 states and 1662 transitions. [2023-12-25 11:12:24,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:12:24,098 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 11:12:24,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:12:24,099 INFO L225 Difference]: With dead ends: 1265 [2023-12-25 11:12:24,100 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:12:24,100 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 11:12:24,100 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 3407 mSDsluCounter, 2131 mSDsCounter, 0 mSdLazyCounter, 2452 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3407 SdHoareTripleChecker+Valid, 2936 SdHoareTripleChecker+Invalid, 2487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:12:24,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3407 Valid, 2936 Invalid, 2487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2452 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:12:24,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:12:24,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:12:24,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.325426944971537) internal successors, (1397), 1082 states have internal predecessors, (1397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:24,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1397 transitions. [2023-12-25 11:12:24,106 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1397 transitions. Word has length 115 [2023-12-25 11:12:24,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:12:24,107 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1397 transitions. [2023-12-25 11:12:24,107 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 11:12:24,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1397 transitions. [2023-12-25 11:12:24,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:12:24,108 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:12:24,108 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 11:12:24,113 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 11:12:24,313 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 11:12:24,313 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 11:12:24,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:12:24,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1114234469, now seen corresponding path program 1 times [2023-12-25 11:12:24,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:12:24,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [977484291] [2023-12-25 11:12:24,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:12:24,314 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 11:12:24,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:12:24,315 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 11:12:24,315 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 11:12:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:12:24,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:12:24,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:12:25,198 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 11:12:25,198 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:12:25,199 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:12:25,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [977484291] [2023-12-25 11:12:25,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [977484291] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:12:25,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:12:25,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:12:25,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683869892] [2023-12-25 11:12:25,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:12:25,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:12:25,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:12:25,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:12:25,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:12:25,200 INFO L87 Difference]: Start difference. First operand 1083 states and 1397 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 11:12:28,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:12:28,175 INFO L93 Difference]: Finished difference Result 1263 states and 1659 transitions. [2023-12-25 11:12:28,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:12:28,176 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 11:12:28,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:12:28,177 INFO L225 Difference]: With dead ends: 1263 [2023-12-25 11:12:28,177 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:12:28,177 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 11:12:28,177 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 4204 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2453 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4204 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:12:28,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4204 Valid, 2932 Invalid, 2488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2453 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:12:28,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:12:28,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:12:28,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3244781783681214) internal successors, (1396), 1082 states have internal predecessors, (1396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:28,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1396 transitions. [2023-12-25 11:12:28,183 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1396 transitions. Word has length 115 [2023-12-25 11:12:28,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:12:28,184 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1396 transitions. [2023-12-25 11:12:28,184 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 11:12:28,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1396 transitions. [2023-12-25 11:12:28,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:12:28,185 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:12:28,185 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 11:12:28,191 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 (100)] Forceful destruction successful, exit code 0 [2023-12-25 11:12:28,385 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 11:12:28,385 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 11:12:28,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:12:28,385 INFO L85 PathProgramCache]: Analyzing trace with hash 540222830, now seen corresponding path program 1 times [2023-12-25 11:12:28,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:12:28,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1579218955] [2023-12-25 11:12:28,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:12:28,386 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 11:12:28,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:12:28,387 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 11:12:28,388 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 11:12:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:12:28,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:12:28,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:12:29,333 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 11:12:29,334 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:12:29,334 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:12:29,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1579218955] [2023-12-25 11:12:29,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1579218955] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:12:29,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:12:29,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:12:29,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288241112] [2023-12-25 11:12:29,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:12:29,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:12:29,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:12:29,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:12:29,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:12:29,336 INFO L87 Difference]: Start difference. First operand 1083 states and 1396 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 11:12:32,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:12:32,636 INFO L93 Difference]: Finished difference Result 1263 states and 1658 transitions. [2023-12-25 11:12:32,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:12:32,636 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 11:12:32,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:12:32,638 INFO L225 Difference]: With dead ends: 1263 [2023-12-25 11:12:32,638 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:12:32,638 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 11:12:32,638 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 4698 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2449 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4698 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-25 11:12:32,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4698 Valid, 2932 Invalid, 2484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2449 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-25 11:12:32,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:12:32,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:12:32,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3235294117647058) internal successors, (1395), 1082 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:32,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1395 transitions. [2023-12-25 11:12:32,645 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1395 transitions. Word has length 115 [2023-12-25 11:12:32,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:12:32,645 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1395 transitions. [2023-12-25 11:12:32,645 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 11:12:32,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1395 transitions. [2023-12-25 11:12:32,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:12:32,646 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:12:32,646 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 11:12:32,654 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 11:12:32,847 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 11:12:32,847 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:12:32,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:12:32,848 INFO L85 PathProgramCache]: Analyzing trace with hash -383544911, now seen corresponding path program 1 times [2023-12-25 11:12:32,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:12:32,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1785709712] [2023-12-25 11:12:32,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:12:32,850 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 11:12:32,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:12:32,851 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 11:12:32,854 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 (102)] Waiting until timeout for monitored process [2023-12-25 11:12:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:12:33,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:12:33,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:12:33,839 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 11:12:33,840 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:12:33,840 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:12:33,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1785709712] [2023-12-25 11:12:33,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1785709712] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:12:33,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:12:33,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:12:33,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415572242] [2023-12-25 11:12:33,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:12:33,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:12:33,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:12:33,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:12:33,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:12:33,841 INFO L87 Difference]: Start difference. First operand 1083 states and 1395 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 11:12:36,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:12:36,946 INFO L93 Difference]: Finished difference Result 1268 states and 1662 transitions. [2023-12-25 11:12:36,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:12:36,947 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 11:12:36,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:12:36,948 INFO L225 Difference]: With dead ends: 1268 [2023-12-25 11:12:36,948 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:12:36,949 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 11:12:36,949 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 3404 mSDsluCounter, 2127 mSDsCounter, 0 mSdLazyCounter, 2440 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3404 SdHoareTripleChecker+Valid, 2932 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 11:12:36,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3404 Valid, 2932 Invalid, 2475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2440 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-25 11:12:36,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:12:36,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:12:36,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3225806451612903) internal successors, (1394), 1082 states have internal predecessors, (1394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:36,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1394 transitions. [2023-12-25 11:12:36,956 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1394 transitions. Word has length 115 [2023-12-25 11:12:36,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:12:36,956 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1394 transitions. [2023-12-25 11:12:36,956 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 11:12:36,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1394 transitions. [2023-12-25 11:12:36,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:12:36,957 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:12:36,957 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 11:12:36,968 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 (102)] Forceful destruction successful, exit code 0 [2023-12-25 11:12:37,157 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 11:12:37,158 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:12:37,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:12:37,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1528652191, now seen corresponding path program 1 times [2023-12-25 11:12:37,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:12:37,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1846391614] [2023-12-25 11:12:37,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:12:37,159 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 11:12:37,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:12:37,160 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 11:12:37,162 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 11:12:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:12:37,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:12:37,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:12:38,081 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 11:12:38,081 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:12:38,081 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:12:38,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1846391614] [2023-12-25 11:12:38,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1846391614] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:12:38,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:12:38,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:12:38,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073751459] [2023-12-25 11:12:38,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:12:38,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:12:38,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:12:38,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:12:38,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:12:38,082 INFO L87 Difference]: Start difference. First operand 1083 states and 1394 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 11:12:40,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:12:40,947 INFO L93 Difference]: Finished difference Result 1272 states and 1665 transitions. [2023-12-25 11:12:40,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:12:40,947 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 11:12:40,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:12:40,949 INFO L225 Difference]: With dead ends: 1272 [2023-12-25 11:12:40,949 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:12:40,949 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 11:12:40,949 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 3171 mSDsluCounter, 2326 mSDsCounter, 0 mSdLazyCounter, 2405 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3171 SdHoareTripleChecker+Valid, 3179 SdHoareTripleChecker+Invalid, 2424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:12:40,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3171 Valid, 3179 Invalid, 2424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2405 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:12:40,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:12:40,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:12:40,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3216318785578747) internal successors, (1393), 1082 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:40,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1393 transitions. [2023-12-25 11:12:40,956 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1393 transitions. Word has length 115 [2023-12-25 11:12:40,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:12:40,956 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1393 transitions. [2023-12-25 11:12:40,957 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 11:12:40,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1393 transitions. [2023-12-25 11:12:40,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:12:40,958 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:12:40,958 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 11:12:40,967 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 (103)] Forceful destruction successful, exit code 0 [2023-12-25 11:12:41,163 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 11:12:41,163 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:12:41,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:12:41,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1909035737, now seen corresponding path program 1 times [2023-12-25 11:12:41,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:12:41,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1028630619] [2023-12-25 11:12:41,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:12:41,164 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 11:12:41,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:12:41,165 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 11:12:41,184 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 (104)] Waiting until timeout for monitored process [2023-12-25 11:12:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:12:41,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:12:41,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:12:42,071 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 11:12:42,072 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:12:42,072 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:12:42,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1028630619] [2023-12-25 11:12:42,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1028630619] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:12:42,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:12:42,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:12:42,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796342398] [2023-12-25 11:12:42,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:12:42,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:12:42,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:12:42,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:12:42,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:12:42,075 INFO L87 Difference]: Start difference. First operand 1083 states and 1393 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 11:12:44,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:12:44,841 INFO L93 Difference]: Finished difference Result 1295 states and 1692 transitions. [2023-12-25 11:12:44,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:12:44,842 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 11:12:44,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:12:44,843 INFO L225 Difference]: With dead ends: 1295 [2023-12-25 11:12:44,843 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:12:44,843 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 11:12:44,844 INFO L413 NwaCegarLoop]: 877 mSDtfsCounter, 3113 mSDsluCounter, 2394 mSDsCounter, 0 mSdLazyCounter, 2373 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3113 SdHoareTripleChecker+Valid, 3271 SdHoareTripleChecker+Invalid, 2384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:12:44,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3113 Valid, 3271 Invalid, 2384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2373 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 11:12:44,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:12:44,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:12:44,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3206831119544593) internal successors, (1392), 1082 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:44,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1392 transitions. [2023-12-25 11:12:44,851 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1392 transitions. Word has length 115 [2023-12-25 11:12:44,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:12:44,851 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1392 transitions. [2023-12-25 11:12:44,851 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 11:12:44,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1392 transitions. [2023-12-25 11:12:44,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:12:44,852 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:12:44,852 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 11:12:44,858 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 11:12:45,056 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 11:12:45,056 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:12:45,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:12:45,057 INFO L85 PathProgramCache]: Analyzing trace with hash 121393216, now seen corresponding path program 1 times [2023-12-25 11:12:45,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:12:45,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1657912543] [2023-12-25 11:12:45,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:12:45,057 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 11:12:45,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:12:45,058 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 11:12:45,094 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 11:12:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:12:45,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:12:45,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:12:45,955 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 11:12:45,955 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:12:45,956 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:12:45,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1657912543] [2023-12-25 11:12:45,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1657912543] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:12:45,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:12:45,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:12:45,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633448908] [2023-12-25 11:12:45,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:12:45,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:12:45,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:12:45,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:12:45,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:12:45,957 INFO L87 Difference]: Start difference. First operand 1083 states and 1392 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 11:12:48,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:12:48,832 INFO L93 Difference]: Finished difference Result 1265 states and 1656 transitions. [2023-12-25 11:12:48,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:12:48,833 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 11:12:48,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:12:48,834 INFO L225 Difference]: With dead ends: 1265 [2023-12-25 11:12:48,834 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:12:48,835 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 11:12:48,835 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 4683 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2434 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4683 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:12:48,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4683 Valid, 2932 Invalid, 2469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2434 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:12:48,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:12:48,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:12:48,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3197343453510437) internal successors, (1391), 1082 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:48,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1391 transitions. [2023-12-25 11:12:48,860 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1391 transitions. Word has length 115 [2023-12-25 11:12:48,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:12:48,860 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1391 transitions. [2023-12-25 11:12:48,860 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 11:12:48,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1391 transitions. [2023-12-25 11:12:48,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:12:48,861 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:12:48,861 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 11:12:48,868 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 11:12:49,066 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 11:12:49,066 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:12:49,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:12:49,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1144564190, now seen corresponding path program 1 times [2023-12-25 11:12:49,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:12:49,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [368867209] [2023-12-25 11:12:49,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:12:49,067 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 11:12:49,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:12:49,068 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 11:12:49,069 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 11:12:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:12:49,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:12:49,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:12:49,983 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 11:12:49,983 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:12:49,983 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:12:49,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [368867209] [2023-12-25 11:12:49,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [368867209] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:12:49,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:12:49,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:12:49,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260463181] [2023-12-25 11:12:49,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:12:49,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:12:49,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:12:49,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:12:49,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:12:49,984 INFO L87 Difference]: Start difference. First operand 1083 states and 1391 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 11:12:52,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:12:52,966 INFO L93 Difference]: Finished difference Result 1268 states and 1658 transitions. [2023-12-25 11:12:52,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:12:52,967 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 11:12:52,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:12:52,968 INFO L225 Difference]: With dead ends: 1268 [2023-12-25 11:12:52,968 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:12:52,969 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 11:12:52,969 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 3394 mSDsluCounter, 2127 mSDsCounter, 0 mSdLazyCounter, 2426 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3394 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:12:52,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3394 Valid, 2932 Invalid, 2461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2426 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:12:52,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:12:52,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:12:52,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3187855787476281) internal successors, (1390), 1082 states have internal predecessors, (1390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:52,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1390 transitions. [2023-12-25 11:12:52,979 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1390 transitions. Word has length 115 [2023-12-25 11:12:52,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:12:52,979 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1390 transitions. [2023-12-25 11:12:52,979 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 11:12:52,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1390 transitions. [2023-12-25 11:12:52,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:12:52,980 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:12:52,980 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 11:12:52,987 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 (106)] Forceful destruction successful, exit code 0 [2023-12-25 11:12:53,182 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 11:12:53,182 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:12:53,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:12:53,183 INFO L85 PathProgramCache]: Analyzing trace with hash -389427615, now seen corresponding path program 1 times [2023-12-25 11:12:53,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:12:53,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1309479233] [2023-12-25 11:12:53,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:12:53,183 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 11:12:53,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:12:53,184 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 11:12:53,186 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 11:12:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:12:53,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:12:53,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:12:54,156 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 11:12:54,157 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:12:54,157 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:12:54,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1309479233] [2023-12-25 11:12:54,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1309479233] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:12:54,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:12:54,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:12:54,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171087855] [2023-12-25 11:12:54,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:12:54,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:12:54,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:12:54,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:12:54,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:12:54,158 INFO L87 Difference]: Start difference. First operand 1083 states and 1390 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 11:12:57,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:12:57,103 INFO L93 Difference]: Finished difference Result 1268 states and 1657 transitions. [2023-12-25 11:12:57,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:12:57,103 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 11:12:57,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:12:57,104 INFO L225 Difference]: With dead ends: 1268 [2023-12-25 11:12:57,105 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:12:57,105 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 11:12:57,105 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 3392 mSDsluCounter, 2127 mSDsCounter, 0 mSdLazyCounter, 2422 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3392 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:12:57,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3392 Valid, 2932 Invalid, 2457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2422 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:12:57,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:12:57,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:12:57,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3178368121442126) internal successors, (1389), 1082 states have internal predecessors, (1389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:12:57,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1389 transitions. [2023-12-25 11:12:57,112 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1389 transitions. Word has length 115 [2023-12-25 11:12:57,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:12:57,112 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1389 transitions. [2023-12-25 11:12:57,112 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 11:12:57,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1389 transitions. [2023-12-25 11:12:57,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:12:57,113 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:12:57,113 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, 1] [2023-12-25 11:12:57,117 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 (107)] Forceful destruction successful, exit code 0 [2023-12-25 11:12:57,317 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 11:12:57,317 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:12:57,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:12:57,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1522769487, now seen corresponding path program 1 times [2023-12-25 11:12:57,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:12:57,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [110307772] [2023-12-25 11:12:57,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:12:57,318 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 11:12:57,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:12:57,319 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 11:12:57,337 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 11:12:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:12:57,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:12:57,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:12:58,272 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 11:12:58,272 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:12:58,272 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:12:58,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [110307772] [2023-12-25 11:12:58,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [110307772] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:12:58,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:12:58,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:12:58,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20226981] [2023-12-25 11:12:58,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:12:58,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:12:58,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:12:58,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:12:58,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:12:58,273 INFO L87 Difference]: Start difference. First operand 1083 states and 1389 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 11:13:01,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:13:01,137 INFO L93 Difference]: Finished difference Result 1272 states and 1660 transitions. [2023-12-25 11:13:01,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:13:01,137 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 11:13:01,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:13:01,139 INFO L225 Difference]: With dead ends: 1272 [2023-12-25 11:13:01,139 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:13:01,139 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 11:13:01,139 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 4442 mSDsluCounter, 2326 mSDsCounter, 0 mSdLazyCounter, 2386 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4442 SdHoareTripleChecker+Valid, 3179 SdHoareTripleChecker+Invalid, 2405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:13:01,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4442 Valid, 3179 Invalid, 2405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2386 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:13:01,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:13:01,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:13:01,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.316888045540797) internal successors, (1388), 1082 states have internal predecessors, (1388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:13:01,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1388 transitions. [2023-12-25 11:13:01,145 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1388 transitions. Word has length 115 [2023-12-25 11:13:01,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:13:01,146 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1388 transitions. [2023-12-25 11:13:01,146 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 11:13:01,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1388 transitions. [2023-12-25 11:13:01,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:13:01,146 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:13:01,147 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 11:13:01,158 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 (108)] Ended with exit code 0 [2023-12-25 11:13:01,347 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 11:13:01,347 INFO L420 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:13:01,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:13:01,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1040391660, now seen corresponding path program 1 times [2023-12-25 11:13:01,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:13:01,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1725226059] [2023-12-25 11:13:01,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:13:01,348 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 11:13:01,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:13:01,349 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 11:13:01,349 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 11:13:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:13:01,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:13:01,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:13:02,292 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 11:13:02,292 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:13:02,292 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:13:02,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1725226059] [2023-12-25 11:13:02,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1725226059] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:13:02,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:13:02,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:13:02,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369037231] [2023-12-25 11:13:02,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:13:02,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:13:02,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:13:02,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:13:02,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:13:02,293 INFO L87 Difference]: Start difference. First operand 1083 states and 1388 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 11:13:05,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:13:05,220 INFO L93 Difference]: Finished difference Result 1265 states and 1652 transitions. [2023-12-25 11:13:05,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:13:05,220 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 11:13:05,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:13:05,222 INFO L225 Difference]: With dead ends: 1265 [2023-12-25 11:13:05,222 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:13:05,222 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 11:13:05,222 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 4670 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2419 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4670 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:13:05,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4670 Valid, 2932 Invalid, 2454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2419 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:13:05,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:13:05,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:13:05,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3159392789373814) internal successors, (1387), 1082 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:13:05,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1387 transitions. [2023-12-25 11:13:05,229 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1387 transitions. Word has length 115 [2023-12-25 11:13:05,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:13:05,229 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1387 transitions. [2023-12-25 11:13:05,229 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 11:13:05,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1387 transitions. [2023-12-25 11:13:05,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:13:05,230 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:13:05,230 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 11:13:05,246 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 (109)] Forceful destruction successful, exit code 0 [2023-12-25 11:13:05,430 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 11:13:05,430 INFO L420 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:13:05,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:13:05,431 INFO L85 PathProgramCache]: Analyzing trace with hash 391697584, now seen corresponding path program 1 times [2023-12-25 11:13:05,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:13:05,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1926769202] [2023-12-25 11:13:05,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:13:05,431 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 11:13:05,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:13:05,432 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 11:13:05,434 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 11:13:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:13:05,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:13:05,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:13:06,347 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 11:13:06,347 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:13:06,347 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:13:06,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1926769202] [2023-12-25 11:13:06,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1926769202] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:13:06,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:13:06,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:13:06,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741285955] [2023-12-25 11:13:06,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:13:06,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:13:06,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:13:06,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:13:06,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:13:06,348 INFO L87 Difference]: Start difference. First operand 1083 states and 1387 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 11:13:09,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:13:09,151 INFO L93 Difference]: Finished difference Result 1265 states and 1651 transitions. [2023-12-25 11:13:09,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:13:09,151 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 11:13:09,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:13:09,152 INFO L225 Difference]: With dead ends: 1265 [2023-12-25 11:13:09,152 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:13:09,152 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 11:13:09,153 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 3382 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2415 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3382 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:13:09,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3382 Valid, 2932 Invalid, 2450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2415 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 11:13:09,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:13:09,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:13:09,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3149905123339658) internal successors, (1386), 1082 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:13:09,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1386 transitions. [2023-12-25 11:13:09,159 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1386 transitions. Word has length 115 [2023-12-25 11:13:09,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:13:09,160 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1386 transitions. [2023-12-25 11:13:09,160 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 11:13:09,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1386 transitions. [2023-12-25 11:13:09,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:13:09,161 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:13:09,161 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 11:13:09,165 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 (110)] Ended with exit code 0 [2023-12-25 11:13:09,365 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 11:13:09,365 INFO L420 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:13:09,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:13:09,366 INFO L85 PathProgramCache]: Analyzing trace with hash -873879503, now seen corresponding path program 1 times [2023-12-25 11:13:09,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:13:09,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1136993792] [2023-12-25 11:13:09,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:13:09,366 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 11:13:09,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:13:09,367 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 11:13:09,369 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 11:13:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:13:09,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:13:09,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:13:10,215 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 11:13:10,216 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:13:10,216 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:13:10,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1136993792] [2023-12-25 11:13:10,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1136993792] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:13:10,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:13:10,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:13:10,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005046628] [2023-12-25 11:13:10,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:13:10,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:13:10,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:13:10,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:13:10,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:13:10,217 INFO L87 Difference]: Start difference. First operand 1083 states and 1386 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 11:13:13,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:13:13,159 INFO L93 Difference]: Finished difference Result 1268 states and 1653 transitions. [2023-12-25 11:13:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:13:13,159 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 11:13:13,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:13:13,161 INFO L225 Difference]: With dead ends: 1268 [2023-12-25 11:13:13,161 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:13:13,161 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 11:13:13,161 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 4666 mSDsluCounter, 2127 mSDsCounter, 0 mSdLazyCounter, 2407 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4666 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:13:13,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4666 Valid, 2932 Invalid, 2442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2407 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:13:13,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:13:13,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:13:13,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3140417457305502) internal successors, (1385), 1082 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:13:13,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1385 transitions. [2023-12-25 11:13:13,168 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1385 transitions. Word has length 115 [2023-12-25 11:13:13,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:13:13,168 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1385 transitions. [2023-12-25 11:13:13,168 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 11:13:13,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1385 transitions. [2023-12-25 11:13:13,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:13:13,169 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:13:13,169 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 11:13:13,176 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 (111)] Forceful destruction successful, exit code 0 [2023-12-25 11:13:13,373 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 11:13:13,374 INFO L420 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:13:13,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:13:13,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1677618607, now seen corresponding path program 1 times [2023-12-25 11:13:13,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:13:13,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [797692441] [2023-12-25 11:13:13,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:13:13,375 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 11:13:13,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:13:13,376 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 11:13:13,377 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 11:13:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:13:13,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:13:13,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:13:14,307 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 11:13:14,308 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:13:14,308 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:13:14,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [797692441] [2023-12-25 11:13:14,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [797692441] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:13:14,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:13:14,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:13:14,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143994883] [2023-12-25 11:13:14,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:13:14,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:13:14,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:13:14,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:13:14,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:13:14,309 INFO L87 Difference]: Start difference. First operand 1083 states and 1385 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 11:13:17,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:13:17,001 INFO L93 Difference]: Finished difference Result 1268 states and 1652 transitions. [2023-12-25 11:13:17,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:13:17,001 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 11:13:17,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:13:17,002 INFO L225 Difference]: With dead ends: 1268 [2023-12-25 11:13:17,002 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:13:17,003 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 11:13:17,003 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 4663 mSDsluCounter, 2127 mSDsCounter, 0 mSdLazyCounter, 2403 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4663 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-25 11:13:17,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4663 Valid, 2932 Invalid, 2438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2403 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-25 11:13:17,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:13:17,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:13:17,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3130929791271346) internal successors, (1384), 1082 states have internal predecessors, (1384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:13:17,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1384 transitions. [2023-12-25 11:13:17,010 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1384 transitions. Word has length 115 [2023-12-25 11:13:17,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:13:17,010 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1384 transitions. [2023-12-25 11:13:17,010 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 11:13:17,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1384 transitions. [2023-12-25 11:13:17,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:13:17,011 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:13:17,011 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 11:13:17,017 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 (112)] Ended with exit code 0 [2023-12-25 11:13:17,215 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 11:13:17,215 INFO L420 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:13:17,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:13:17,215 INFO L85 PathProgramCache]: Analyzing trace with hash 234578495, now seen corresponding path program 1 times [2023-12-25 11:13:17,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:13:17,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1130661476] [2023-12-25 11:13:17,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:13:17,216 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 11:13:17,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:13:17,217 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 11:13:17,218 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 11:13:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:13:17,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:13:17,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:13:18,117 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 11:13:18,117 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:13:18,117 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:13:18,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1130661476] [2023-12-25 11:13:18,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1130661476] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:13:18,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:13:18,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:13:18,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591315771] [2023-12-25 11:13:18,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:13:18,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:13:18,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:13:18,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:13:18,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:13:18,118 INFO L87 Difference]: Start difference. First operand 1083 states and 1384 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 11:13:20,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:13:20,844 INFO L93 Difference]: Finished difference Result 1272 states and 1655 transitions. [2023-12-25 11:13:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:13:20,844 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 11:13:20,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:13:20,845 INFO L225 Difference]: With dead ends: 1272 [2023-12-25 11:13:20,845 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 11:13:20,846 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 11:13:20,846 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 3150 mSDsluCounter, 2326 mSDsCounter, 0 mSdLazyCounter, 2366 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3150 SdHoareTripleChecker+Valid, 3179 SdHoareTripleChecker+Invalid, 2385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:13:20,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3150 Valid, 3179 Invalid, 2385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2366 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 11:13:20,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 11:13:20,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1083. [2023-12-25 11:13:20,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3121442125237193) internal successors, (1383), 1082 states have internal predecessors, (1383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:13:20,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1383 transitions. [2023-12-25 11:13:20,852 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1383 transitions. Word has length 115 [2023-12-25 11:13:20,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:13:20,852 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1383 transitions. [2023-12-25 11:13:20,852 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 11:13:20,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1383 transitions. [2023-12-25 11:13:20,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:13:20,853 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:13:20,853 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 11:13:20,857 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 (113)] Ended with exit code 0 [2023-12-25 11:13:21,053 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 11:13:21,054 INFO L420 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:13:21,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:13:21,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1167060921, now seen corresponding path program 1 times [2023-12-25 11:13:21,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:13:21,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1547406402] [2023-12-25 11:13:21,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:13:21,055 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 11:13:21,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:13:21,056 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 11:13:21,056 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 11:13:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:13:21,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:13:21,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:13:21,960 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 11:13:21,961 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:13:21,961 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:13:21,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1547406402] [2023-12-25 11:13:21,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1547406402] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:13:21,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:13:21,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:13:21,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406866155] [2023-12-25 11:13:21,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:13:21,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:13:21,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:13:21,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:13:21,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:13:21,962 INFO L87 Difference]: Start difference. First operand 1083 states and 1383 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 11:13:24,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:13:24,797 INFO L93 Difference]: Finished difference Result 1265 states and 1647 transitions. [2023-12-25 11:13:24,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:13:24,798 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 11:13:24,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:13:24,799 INFO L225 Difference]: With dead ends: 1265 [2023-12-25 11:13:24,799 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:13:24,799 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 11:13:24,800 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 3373 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 2400 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3373 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:13:24,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3373 Valid, 2932 Invalid, 2435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2400 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:13:24,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:13:24,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:13:24,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3111954459203037) internal successors, (1382), 1082 states have internal predecessors, (1382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:13:24,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1382 transitions. [2023-12-25 11:13:24,806 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1382 transitions. Word has length 115 [2023-12-25 11:13:24,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:13:24,806 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1382 transitions. [2023-12-25 11:13:24,807 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 11:13:24,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1382 transitions. [2023-12-25 11:13:24,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 11:13:24,808 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:13:24,808 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 11:13:24,812 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 (114)] Forceful destruction successful, exit code 0 [2023-12-25 11:13:25,012 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 11:13:25,012 INFO L420 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:13:25,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:13:25,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1862212114, now seen corresponding path program 1 times [2023-12-25 11:13:25,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:13:25,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296747521] [2023-12-25 11:13:25,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:13:25,013 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 11:13:25,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:13:25,014 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 11:13:25,016 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 11:13:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:13:25,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:13:25,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:13:25,877 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 11:13:25,878 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:13:25,878 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:13:25,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296747521] [2023-12-25 11:13:25,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [296747521] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:13:25,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:13:25,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:13:25,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808123151] [2023-12-25 11:13:25,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:13:25,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:13:25,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:13:25,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:13:25,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:13:25,879 INFO L87 Difference]: Start difference. First operand 1083 states and 1382 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 11:13:28,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:13:28,896 INFO L93 Difference]: Finished difference Result 1268 states and 1649 transitions. [2023-12-25 11:13:28,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:13:28,896 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 11:13:28,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:13:28,897 INFO L225 Difference]: With dead ends: 1268 [2023-12-25 11:13:28,898 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:13:28,898 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 11:13:28,898 INFO L413 NwaCegarLoop]: 805 mSDtfsCounter, 4653 mSDsluCounter, 2127 mSDsCounter, 0 mSdLazyCounter, 2392 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4653 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 2427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:13:28,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4653 Valid, 2932 Invalid, 2427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2392 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 11:13:28,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:13:28,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:13:28,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.310246679316888) internal successors, (1381), 1082 states have internal predecessors, (1381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:13:28,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1381 transitions. [2023-12-25 11:13:28,905 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1381 transitions. Word has length 115 [2023-12-25 11:13:28,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:13:28,905 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1381 transitions. [2023-12-25 11:13:28,905 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 11:13:28,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1381 transitions. [2023-12-25 11:13:28,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-25 11:13:28,906 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:13:28,906 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 11:13:28,913 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 11:13:29,107 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 11:13:29,107 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 11:13:29,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:13:29,107 INFO L85 PathProgramCache]: Analyzing trace with hash -493372523, now seen corresponding path program 1 times [2023-12-25 11:13:29,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:13:29,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [27805661] [2023-12-25 11:13:29,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:13:29,108 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 11:13:29,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:13:29,109 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 11:13:29,110 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 11:13:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:13:29,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:13:29,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:13:30,062 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 11:13:30,062 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:13:30,062 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:13:30,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [27805661] [2023-12-25 11:13:30,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [27805661] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:13:30,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:13:30,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:13:30,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750491601] [2023-12-25 11:13:30,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:13:30,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:13:30,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:13:30,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:13:30,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:13:30,063 INFO L87 Difference]: Start difference. First operand 1083 states and 1381 transitions. Second operand has 8 states, 8 states have (on average 14.5) internal successors, (116), 7 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 11:13:32,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:13:32,836 INFO L93 Difference]: Finished difference Result 1264 states and 1644 transitions. [2023-12-25 11:13:32,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:13:32,836 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.5) internal successors, (116), 7 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 11:13:32,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:13:32,837 INFO L225 Difference]: With dead ends: 1264 [2023-12-25 11:13:32,837 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:13:32,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 109 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 11:13:32,838 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 4650 mSDsluCounter, 2129 mSDsCounter, 0 mSdLazyCounter, 2393 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4650 SdHoareTripleChecker+Valid, 2933 SdHoareTripleChecker+Invalid, 2428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:13:32,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4650 Valid, 2933 Invalid, 2428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2393 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 11:13:32,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:13:32,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:13:32,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3092979127134725) internal successors, (1380), 1082 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:13:32,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1380 transitions. [2023-12-25 11:13:32,844 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1380 transitions. Word has length 116 [2023-12-25 11:13:32,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:13:32,844 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1380 transitions. [2023-12-25 11:13:32,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.5) internal successors, (116), 7 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 11:13:32,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1380 transitions. [2023-12-25 11:13:32,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-25 11:13:32,845 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:13:32,845 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 11:13:32,849 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 (116)] Forceful destruction successful, exit code 0 [2023-12-25 11:13:33,049 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 11:13:33,049 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 11:13:33,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:13:33,049 INFO L85 PathProgramCache]: Analyzing trace with hash 122583463, now seen corresponding path program 1 times [2023-12-25 11:13:33,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:13:33,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [743560103] [2023-12-25 11:13:33,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:13:33,050 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 11:13:33,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:13:33,051 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 11:13:33,053 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 11:13:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:13:33,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:13:33,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:13:33,961 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 11:13:33,961 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:13:33,961 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:13:33,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [743560103] [2023-12-25 11:13:33,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [743560103] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:13:33,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:13:33,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:13:33,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619939790] [2023-12-25 11:13:33,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:13:33,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:13:33,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:13:33,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:13:33,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:13:33,962 INFO L87 Difference]: Start difference. First operand 1083 states and 1380 transitions. Second operand has 8 states, 8 states have (on average 14.5) internal successors, (116), 7 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 11:13:36,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:13:36,535 INFO L93 Difference]: Finished difference Result 1264 states and 1643 transitions. [2023-12-25 11:13:36,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:13:36,536 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.5) internal successors, (116), 7 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 11:13:36,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:13:36,537 INFO L225 Difference]: With dead ends: 1264 [2023-12-25 11:13:36,537 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:13:36,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 109 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 11:13:36,537 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 4641 mSDsluCounter, 2129 mSDsCounter, 0 mSdLazyCounter, 2389 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4641 SdHoareTripleChecker+Valid, 2933 SdHoareTripleChecker+Invalid, 2424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-25 11:13:36,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4641 Valid, 2933 Invalid, 2424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2389 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-25 11:13:36,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:13:36,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:13:36,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.308349146110057) internal successors, (1379), 1082 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:13:36,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1379 transitions. [2023-12-25 11:13:36,544 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1379 transitions. Word has length 116 [2023-12-25 11:13:36,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:13:36,544 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1379 transitions. [2023-12-25 11:13:36,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.5) internal successors, (116), 7 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 11:13:36,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1379 transitions. [2023-12-25 11:13:36,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-25 11:13:36,545 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:13:36,545 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 11:13:36,549 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 (117)] Ended with exit code 0 [2023-12-25 11:13:36,749 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 11:13:36,749 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 11:13:36,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:13:36,749 INFO L85 PathProgramCache]: Analyzing trace with hash -108090800, now seen corresponding path program 1 times [2023-12-25 11:13:36,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:13:36,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [341332469] [2023-12-25 11:13:36,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:13:36,750 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 11:13:36,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:13:36,751 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 11:13:36,752 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 11:13:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:13:37,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:13:37,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:13:37,605 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 11:13:37,605 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:13:37,605 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:13:37,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [341332469] [2023-12-25 11:13:37,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [341332469] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:13:37,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:13:37,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:13:37,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173171946] [2023-12-25 11:13:37,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:13:37,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:13:37,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:13:37,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:13:37,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:13:37,606 INFO L87 Difference]: Start difference. First operand 1083 states and 1379 transitions. Second operand has 8 states, 8 states have (on average 14.5) internal successors, (116), 7 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 11:13:40,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:13:40,398 INFO L93 Difference]: Finished difference Result 1264 states and 1642 transitions. [2023-12-25 11:13:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:13:40,398 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.5) internal successors, (116), 7 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 11:13:40,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:13:40,399 INFO L225 Difference]: With dead ends: 1264 [2023-12-25 11:13:40,399 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:13:40,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 109 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 11:13:40,400 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 4644 mSDsluCounter, 2129 mSDsCounter, 0 mSdLazyCounter, 2385 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4644 SdHoareTripleChecker+Valid, 2933 SdHoareTripleChecker+Invalid, 2420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:13:40,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4644 Valid, 2933 Invalid, 2420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2385 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 11:13:40,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:13:40,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:13:40,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3074003795066413) internal successors, (1378), 1082 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:13:40,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1378 transitions. [2023-12-25 11:13:40,406 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1378 transitions. Word has length 116 [2023-12-25 11:13:40,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:13:40,406 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1378 transitions. [2023-12-25 11:13:40,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.5) internal successors, (116), 7 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 11:13:40,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1378 transitions. [2023-12-25 11:13:40,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-25 11:13:40,407 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:13:40,407 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 11:13:40,413 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 11:13:40,611 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 11:13:40,611 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 11:13:40,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:13:40,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1816939649, now seen corresponding path program 1 times [2023-12-25 11:13:40,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:13:40,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1547621661] [2023-12-25 11:13:40,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:13:40,612 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 11:13:40,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:13:40,613 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 11:13:40,614 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 11:13:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:13:41,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:13:41,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:13:41,520 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 11:13:41,520 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:13:41,520 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:13:41,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1547621661] [2023-12-25 11:13:41,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1547621661] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:13:41,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:13:41,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:13:41,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061725425] [2023-12-25 11:13:41,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:13:41,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:13:41,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:13:41,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:13:41,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:13:41,521 INFO L87 Difference]: Start difference. First operand 1083 states and 1378 transitions. Second operand has 8 states, 8 states have (on average 14.5) internal successors, (116), 7 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 11:13:44,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:13:44,374 INFO L93 Difference]: Finished difference Result 1264 states and 1641 transitions. [2023-12-25 11:13:44,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:13:44,375 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.5) internal successors, (116), 7 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 11:13:44,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:13:44,376 INFO L225 Difference]: With dead ends: 1264 [2023-12-25 11:13:44,376 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:13:44,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 109 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 11:13:44,376 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 3363 mSDsluCounter, 2129 mSDsCounter, 0 mSdLazyCounter, 2381 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3363 SdHoareTripleChecker+Valid, 2933 SdHoareTripleChecker+Invalid, 2416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:13:44,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3363 Valid, 2933 Invalid, 2416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2381 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:13:44,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:13:44,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:13:44,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3064516129032258) internal successors, (1377), 1082 states have internal predecessors, (1377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:13:44,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1377 transitions. [2023-12-25 11:13:44,382 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1377 transitions. Word has length 116 [2023-12-25 11:13:44,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:13:44,382 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1377 transitions. [2023-12-25 11:13:44,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.5) internal successors, (116), 7 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 11:13:44,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1377 transitions. [2023-12-25 11:13:44,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-25 11:13:44,383 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:13:44,383 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 11:13:44,388 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 11:13:44,584 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 11:13:44,584 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 11:13:44,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:13:44,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1677397411, now seen corresponding path program 1 times [2023-12-25 11:13:44,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:13:44,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1142480565] [2023-12-25 11:13:44,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:13:44,585 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 11:13:44,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:13:44,586 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 11:13:44,587 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 11:13:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:13:44,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:13:44,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:13:45,498 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 11:13:45,498 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:13:45,498 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:13:45,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1142480565] [2023-12-25 11:13:45,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1142480565] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:13:45,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:13:45,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:13:45,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607455515] [2023-12-25 11:13:45,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:13:45,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:13:45,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:13:45,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:13:45,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:13:45,499 INFO L87 Difference]: Start difference. First operand 1083 states and 1377 transitions. Second operand has 8 states, 8 states have (on average 14.5) internal successors, (116), 7 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 11:13:48,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:13:48,275 INFO L93 Difference]: Finished difference Result 1264 states and 1640 transitions. [2023-12-25 11:13:48,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:13:48,275 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.5) internal successors, (116), 7 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 11:13:48,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:13:48,276 INFO L225 Difference]: With dead ends: 1264 [2023-12-25 11:13:48,276 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:13:48,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 109 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 11:13:48,277 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 3361 mSDsluCounter, 2129 mSDsCounter, 0 mSdLazyCounter, 2377 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3361 SdHoareTripleChecker+Valid, 2933 SdHoareTripleChecker+Invalid, 2412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 11:13:48,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3361 Valid, 2933 Invalid, 2412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2377 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 11:13:48,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:13:48,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:13:48,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3055028462998102) internal successors, (1376), 1082 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:13:48,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1376 transitions. [2023-12-25 11:13:48,283 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1376 transitions. Word has length 116 [2023-12-25 11:13:48,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:13:48,283 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1376 transitions. [2023-12-25 11:13:48,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.5) internal successors, (116), 7 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 11:13:48,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1376 transitions. [2023-12-25 11:13:48,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-25 11:13:48,284 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:13:48,284 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 11:13:48,289 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 (120)] Ended with exit code 0 [2023-12-25 11:13:48,487 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 11:13:48,487 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 11:13:48,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:13:48,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1524244936, now seen corresponding path program 1 times [2023-12-25 11:13:48,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:13:48,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1584991501] [2023-12-25 11:13:48,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:13:48,488 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 11:13:48,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:13:48,489 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 11:13:48,490 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 11:13:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:13:48,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:13:48,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:13:49,291 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 11:13:49,291 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:13:49,291 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:13:49,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1584991501] [2023-12-25 11:13:49,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1584991501] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:13:49,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:13:49,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:13:49,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881364292] [2023-12-25 11:13:49,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:13:49,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:13:49,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:13:49,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:13:49,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:13:49,292 INFO L87 Difference]: Start difference. First operand 1083 states and 1376 transitions. Second operand has 8 states, 8 states have (on average 14.5) internal successors, (116), 7 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 11:13:52,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:13:52,112 INFO L93 Difference]: Finished difference Result 1264 states and 1639 transitions. [2023-12-25 11:13:52,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:13:52,113 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.5) internal successors, (116), 7 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 11:13:52,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:13:52,114 INFO L225 Difference]: With dead ends: 1264 [2023-12-25 11:13:52,114 INFO L226 Difference]: Without dead ends: 1177 [2023-12-25 11:13:52,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 109 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 11:13:52,114 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 4635 mSDsluCounter, 2129 mSDsCounter, 0 mSdLazyCounter, 2373 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4635 SdHoareTripleChecker+Valid, 2933 SdHoareTripleChecker+Invalid, 2408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:13:52,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4635 Valid, 2933 Invalid, 2408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2373 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:13:52,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-25 11:13:52,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1083. [2023-12-25 11:13:52,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1054 states have (on average 1.3045540796963946) internal successors, (1375), 1082 states have internal predecessors, (1375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:13:52,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1375 transitions. [2023-12-25 11:13:52,120 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1375 transitions. Word has length 116 [2023-12-25 11:13:52,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:13:52,120 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1375 transitions. [2023-12-25 11:13:52,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.5) internal successors, (116), 7 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 11:13:52,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1375 transitions. [2023-12-25 11:13:52,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-25 11:13:52,121 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:13:52,121 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 11:13:52,125 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 11:13:52,322 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 11:13:52,322 INFO L420 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:13:52,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:13:52,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1363573042, now seen corresponding path program 1 times [2023-12-25 11:13:52,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:13:52,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2052269923] [2023-12-25 11:13:52,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:13:52,323 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 11:13:52,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:13:52,324 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 11:13:52,325 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 11:13:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:13:52,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-25 11:13:52,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:13:53,781 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 11:13:53,781 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:13:53,781 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:13:53,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2052269923] [2023-12-25 11:13:53,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2052269923] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:13:53,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:13:53,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-25 11:13:53,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732386618] [2023-12-25 11:13:53,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:13:53,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-25 11:13:53,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:13:53,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-25 11:13:53,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-25 11:13:53,782 INFO L87 Difference]: Start difference. First operand 1083 states and 1375 transitions. Second operand has 13 states, 13 states have (on average 9.0) internal successors, (117), 13 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 11:13:56,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:13:56,727 INFO L93 Difference]: Finished difference Result 1702 states and 2133 transitions. [2023-12-25 11:13:56,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-25 11:13:56,728 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.0) internal successors, (117), 13 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 11:13:56,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:13:56,729 INFO L225 Difference]: With dead ends: 1702 [2023-12-25 11:13:56,729 INFO L226 Difference]: Without dead ends: 1204 [2023-12-25 11:13:56,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2023-12-25 11:13:56,729 INFO L413 NwaCegarLoop]: 986 mSDtfsCounter, 2886 mSDsluCounter, 3815 mSDsCounter, 0 mSdLazyCounter, 1931 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2886 SdHoareTripleChecker+Valid, 4801 SdHoareTripleChecker+Invalid, 1931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:13:56,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2886 Valid, 4801 Invalid, 1931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1931 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 11:13:56,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2023-12-25 11:13:56,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 671. [2023-12-25 11:13:56,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 649 states have (on average 1.2865947611710324) internal successors, (835), 670 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:13:56,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 835 transitions. [2023-12-25 11:13:56,734 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 835 transitions. Word has length 117 [2023-12-25 11:13:56,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:13:56,734 INFO L495 AbstractCegarLoop]: Abstraction has 671 states and 835 transitions. [2023-12-25 11:13:56,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.0) internal successors, (117), 13 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 11:13:56,735 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 835 transitions. [2023-12-25 11:13:56,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-25 11:13:56,735 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:13:56,735 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, 1, 1, 1, 1, 1] [2023-12-25 11:13:56,741 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 11:13:56,939 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 11:13:56,939 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 11:13:56,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:13:56,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1655562460, now seen corresponding path program 1 times [2023-12-25 11:13:56,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:13:56,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1347566847] [2023-12-25 11:13:56,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:13:56,940 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 11:13:56,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:13:56,942 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 11:13:56,942 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 11:13:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:13:57,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 11:13:57,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:13:57,916 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 11:13:57,916 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:13:57,916 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:13:57,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1347566847] [2023-12-25 11:13:57,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1347566847] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:13:57,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:13:57,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-25 11:13:57,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28558344] [2023-12-25 11:13:57,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:13:57,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 11:13:57,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:13:57,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 11:13:57,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-12-25 11:13:57,917 INFO L87 Difference]: Start difference. First operand 671 states and 835 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 11:13:58,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:13:58,607 INFO L93 Difference]: Finished difference Result 1122 states and 1432 transitions. [2023-12-25 11:13:58,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 11:13:58,607 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 11:13:58,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:13:58,608 INFO L225 Difference]: With dead ends: 1122 [2023-12-25 11:13:58,608 INFO L226 Difference]: Without dead ends: 815 [2023-12-25 11:13:58,609 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 11:13:58,609 INFO L413 NwaCegarLoop]: 978 mSDtfsCounter, 2485 mSDsluCounter, 2812 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2485 SdHoareTripleChecker+Valid, 3790 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-25 11:13:58,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2485 Valid, 3790 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-25 11:13:58,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2023-12-25 11:13:58,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 450. [2023-12-25 11:13:58,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 434 states have (on average 1.2811059907834101) internal successors, (556), 449 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:13:58,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 556 transitions. [2023-12-25 11:13:58,612 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 556 transitions. Word has length 117 [2023-12-25 11:13:58,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:13:58,612 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 556 transitions. [2023-12-25 11:13:58,613 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 11:13:58,613 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 556 transitions. [2023-12-25 11:13:58,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-25 11:13:58,613 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:13:58,613 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 11:13:58,623 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 (123)] Forceful destruction successful, exit code 0 [2023-12-25 11:13:58,814 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 11:13:58,814 INFO L420 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:13:58,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:13:58,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1619500807, now seen corresponding path program 1 times [2023-12-25 11:13:58,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:13:58,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [359103118] [2023-12-25 11:13:58,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:13:58,815 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 11:13:58,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:13:58,816 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 11:13:58,819 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 11:13:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:13:59,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-25 11:13:59,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:14:18,038 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 11:14:18,038 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:14:18,038 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:14:18,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [359103118] [2023-12-25 11:14:18,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [359103118] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:14:18,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:14:18,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2023-12-25 11:14:18,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378017925] [2023-12-25 11:14:18,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:14:18,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-12-25 11:14:18,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:14:18,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-12-25 11:14:18,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=1117, Unknown=0, NotChecked=0, Total=1332 [2023-12-25 11:14:18,040 INFO L87 Difference]: Start difference. First operand 450 states and 556 transitions. Second operand has 37 states, 37 states have (on average 3.1621621621621623) internal successors, (117), 37 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 11:14:29,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:15:13,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:15:24,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:15:29,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:15:44,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:16:05,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:16:10,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:16:54,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:17:01,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:17:07,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:17:21,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:17:25,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:17:36,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:17:36,080 INFO L93 Difference]: Finished difference Result 2386 states and 3049 transitions. [2023-12-25 11:17:36,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-25 11:17:36,080 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.1621621621621623) internal successors, (117), 37 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 11:17:36,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:17:36,082 INFO L225 Difference]: With dead ends: 2386 [2023-12-25 11:17:36,082 INFO L226 Difference]: Without dead ends: 2284 [2023-12-25 11:17:36,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 644 ImplicationChecksByTransitivity, 30.7s TimeCoverageRelationStatistics Valid=454, Invalid=2516, Unknown=0, NotChecked=0, Total=2970 [2023-12-25 11:17:36,083 INFO L413 NwaCegarLoop]: 1989 mSDtfsCounter, 5181 mSDsluCounter, 28636 mSDsCounter, 0 mSdLazyCounter, 18394 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 179.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5181 SdHoareTripleChecker+Valid, 30625 SdHoareTripleChecker+Invalid, 18394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 181.4s IncrementalHoareTripleChecker+Time [2023-12-25 11:17:36,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5181 Valid, 30625 Invalid, 18394 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 18394 Invalid, 0 Unknown, 0 Unchecked, 181.4s Time] [2023-12-25 11:17:36,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2284 states. [2023-12-25 11:17:36,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2284 to 476. [2023-12-25 11:17:36,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 460 states have (on average 1.2782608695652173) internal successors, (588), 475 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:17:36,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 588 transitions. [2023-12-25 11:17:36,090 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 588 transitions. Word has length 117 [2023-12-25 11:17:36,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:17:36,090 INFO L495 AbstractCegarLoop]: Abstraction has 476 states and 588 transitions. [2023-12-25 11:17:36,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.1621621621621623) internal successors, (117), 37 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 11:17:36,090 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 588 transitions. [2023-12-25 11:17:36,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-25 11:17:36,091 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:17:36,091 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 11:17:36,095 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 (124)] Forceful destruction successful, exit code 0 [2023-12-25 11:17:36,295 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 11:17:36,295 INFO L420 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-25 11:17:36,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:17:36,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1077967282, now seen corresponding path program 1 times [2023-12-25 11:17:36,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:17:36,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [385028231] [2023-12-25 11:17:36,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:17:36,296 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 11:17:36,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:17:36,297 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 11:17:36,299 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 11:17:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:17:36,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 53 conjunts are in the unsatisfiable core [2023-12-25 11:17:36,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:17:48,806 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 11:17:48,806 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:17:48,807 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:17:48,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [385028231] [2023-12-25 11:17:48,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [385028231] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:17:48,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:17:48,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2023-12-25 11:17:48,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152470658] [2023-12-25 11:17:48,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:17:48,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-12-25 11:17:48,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:17:48,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-12-25 11:17:48,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=1082, Unknown=0, NotChecked=0, Total=1332 [2023-12-25 11:17:48,829 INFO L87 Difference]: Start difference. First operand 476 states and 588 transitions. Second operand has 37 states, 37 states have (on average 3.1621621621621623) internal successors, (117), 37 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 11:18:07,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:18:10,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:18:11,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:18:19,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:18:29,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-25 11:19:23,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:19:23,012 INFO L93 Difference]: Finished difference Result 2399 states and 3065 transitions. [2023-12-25 11:19:23,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-25 11:19:23,012 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.1621621621621623) internal successors, (117), 37 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 11:19:23,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:19:23,014 INFO L225 Difference]: With dead ends: 2399 [2023-12-25 11:19:23,014 INFO L226 Difference]: Without dead ends: 2280 [2023-12-25 11:19:23,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 582 ImplicationChecksByTransitivity, 16.3s TimeCoverageRelationStatistics Valid=495, Invalid=2261, Unknown=0, NotChecked=0, Total=2756 [2023-12-25 11:19:23,015 INFO L413 NwaCegarLoop]: 1957 mSDtfsCounter, 4879 mSDsluCounter, 27443 mSDsCounter, 0 mSdLazyCounter, 16879 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 82.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4879 SdHoareTripleChecker+Valid, 29400 SdHoareTripleChecker+Invalid, 16879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 84.7s IncrementalHoareTripleChecker+Time [2023-12-25 11:19:23,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4879 Valid, 29400 Invalid, 16879 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 16879 Invalid, 0 Unknown, 0 Unchecked, 84.7s Time] [2023-12-25 11:19:23,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2280 states. [2023-12-25 11:19:23,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2280 to 477. [2023-12-25 11:19:23,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 461 states have (on average 1.2776572668112798) internal successors, (589), 476 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:19:23,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 589 transitions. [2023-12-25 11:19:23,021 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 589 transitions. Word has length 117 [2023-12-25 11:19:23,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:19:23,021 INFO L495 AbstractCegarLoop]: Abstraction has 477 states and 589 transitions. [2023-12-25 11:19:23,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.1621621621621623) internal successors, (117), 37 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 11:19:23,022 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 589 transitions. [2023-12-25 11:19:23,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-25 11:19:23,022 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:19:23,022 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 11:19:23,029 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 (125)] Forceful destruction successful, exit code 0 [2023-12-25 11:19:23,226 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 11:19:23,227 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 11:19:23,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:19:23,227 INFO L85 PathProgramCache]: Analyzing trace with hash -368802669, now seen corresponding path program 1 times [2023-12-25 11:19:23,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:19:23,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1618219872] [2023-12-25 11:19:23,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:19:23,228 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 11:19:23,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:19:23,229 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 11:19:23,230 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 11:19:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:19:23,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 53 conjunts are in the unsatisfiable core [2023-12-25 11:19:23,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:19:31,684 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 11:19:31,684 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:19:31,684 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:19:31,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1618219872] [2023-12-25 11:19:31,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1618219872] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:19:31,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:19:31,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2023-12-25 11:19:31,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402447293] [2023-12-25 11:19:31,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:19:31,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-12-25 11:19:31,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:19:31,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-12-25 11:19:31,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=246, Invalid=944, Unknown=0, NotChecked=0, Total=1190 [2023-12-25 11:19:31,685 INFO L87 Difference]: Start difference. First operand 477 states and 589 transitions. Second operand has 35 states, 35 states have (on average 3.342857142857143) internal successors, (117), 35 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 11:20:13,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:20:13,269 INFO L93 Difference]: Finished difference Result 2425 states and 3098 transitions. [2023-12-25 11:20:13,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-25 11:20:13,269 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.342857142857143) internal successors, (117), 35 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 11:20:13,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:20:13,271 INFO L225 Difference]: With dead ends: 2425 [2023-12-25 11:20:13,271 INFO L226 Difference]: Without dead ends: 2276 [2023-12-25 11:20:13,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=481, Invalid=1871, Unknown=0, NotChecked=0, Total=2352 [2023-12-25 11:20:13,271 INFO L413 NwaCegarLoop]: 1886 mSDtfsCounter, 5544 mSDsluCounter, 21678 mSDsCounter, 0 mSdLazyCounter, 13479 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5544 SdHoareTripleChecker+Valid, 23564 SdHoareTripleChecker+Invalid, 13479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.8s IncrementalHoareTripleChecker+Time [2023-12-25 11:20:13,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5544 Valid, 23564 Invalid, 13479 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 13479 Invalid, 0 Unknown, 0 Unchecked, 37.8s Time] [2023-12-25 11:20:13,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2276 states. [2023-12-25 11:20:13,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2276 to 478. [2023-12-25 11:20:13,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 462 states have (on average 1.277056277056277) internal successors, (590), 477 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:20:13,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 590 transitions. [2023-12-25 11:20:13,277 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 590 transitions. Word has length 117 [2023-12-25 11:20:13,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:20:13,277 INFO L495 AbstractCegarLoop]: Abstraction has 478 states and 590 transitions. [2023-12-25 11:20:13,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.342857142857143) internal successors, (117), 35 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 11:20:13,277 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 590 transitions. [2023-12-25 11:20:13,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-25 11:20:13,278 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:20:13,278 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 11:20:13,286 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 11:20:13,478 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 11:20:13,478 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 11:20:13,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:20:13,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1123095879, now seen corresponding path program 1 times [2023-12-25 11:20:13,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:20:13,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1483995950] [2023-12-25 11:20:13,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:20:13,479 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 11:20:13,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:20:13,480 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 11:20:13,481 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 11:20:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:20:13,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 11:20:13,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:20:14,429 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 11:20:14,429 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:20:14,429 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:20:14,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1483995950] [2023-12-25 11:20:14,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1483995950] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:20:14,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:20:14,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 11:20:14,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421852325] [2023-12-25 11:20:14,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:20:14,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 11:20:14,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:20:14,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 11:20:14,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 11:20:14,430 INFO L87 Difference]: Start difference. First operand 478 states and 590 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 11:20:15,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 11:20:15,773 INFO L93 Difference]: Finished difference Result 651 states and 843 transitions. [2023-12-25 11:20:15,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 11:20:15,774 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 11:20:15,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 11:20:15,774 INFO L225 Difference]: With dead ends: 651 [2023-12-25 11:20:15,774 INFO L226 Difference]: Without dead ends: 564 [2023-12-25 11:20:15,775 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 11:20:15,775 INFO L413 NwaCegarLoop]: 378 mSDtfsCounter, 1375 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1375 SdHoareTripleChecker+Valid, 1353 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-25 11:20:15,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1375 Valid, 1353 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-25 11:20:15,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2023-12-25 11:20:15,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 478. [2023-12-25 11:20:15,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 462 states have (on average 1.274891774891775) internal successors, (589), 477 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 11:20:15,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 589 transitions. [2023-12-25 11:20:15,778 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 589 transitions. Word has length 117 [2023-12-25 11:20:15,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 11:20:15,778 INFO L495 AbstractCegarLoop]: Abstraction has 478 states and 589 transitions. [2023-12-25 11:20:15,778 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 11:20:15,778 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 589 transitions. [2023-12-25 11:20:15,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-25 11:20:15,779 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 11:20:15,779 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 11:20:15,785 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 11:20:15,982 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 11:20:15,983 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 11:20:15,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 11:20:15,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1558916929, now seen corresponding path program 1 times [2023-12-25 11:20:15,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 11:20:15,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1717299703] [2023-12-25 11:20:15,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 11:20:15,984 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 11:20:15,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 11:20:15,985 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 11:20:15,991 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 (128)] Waiting until timeout for monitored process [2023-12-25 11:20:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 11:20:16,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 53 conjunts are in the unsatisfiable core [2023-12-25 11:20:16,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 11:20:22,822 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 11:20:22,822 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 11:20:22,822 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 11:20:22,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1717299703] [2023-12-25 11:20:22,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1717299703] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 11:20:22,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 11:20:22,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2023-12-25 11:20:22,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566771154] [2023-12-25 11:20:22,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 11:20:22,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-12-25 11:20:22,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 11:20:22,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-12-25 11:20:22,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=242, Invalid=814, Unknown=0, NotChecked=0, Total=1056 [2023-12-25 11:20:22,824 INFO L87 Difference]: Start difference. First operand 478 states and 589 transitions. Second operand has 33 states, 33 states have (on average 3.5454545454545454) internal successors, (117), 33 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) Received shutdown request... [2023-12-25 11:20:37,734 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 (128)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-25 11:20:37,740 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 11:20:37,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-25 11:20:37,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=467, Invalid=1513, Unknown=0, NotChecked=0, Total=1980 [2023-12-25 11:20:37,752 INFO L413 NwaCegarLoop]: 823 mSDtfsCounter, 1895 mSDsluCounter, 7383 mSDsCounter, 0 mSdLazyCounter, 6838 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1895 SdHoareTripleChecker+Valid, 8206 SdHoareTripleChecker+Invalid, 6838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2023-12-25 11:20:37,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1895 Valid, 8206 Invalid, 6838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6838 Invalid, 0 Unknown, 0 Unchecked, 13.0s Time] [2023-12-25 11:20:37,765 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (28 of 29 remaining) [2023-12-25 11:20:37,773 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 (128)] Ended with exit code 0 [2023-12-25 11:20:37,965 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 11:20:37,966 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). [2023-12-25 11:20:37,967 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (27 of 29 remaining) [2023-12-25 11:20:37,967 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (26 of 29 remaining) [2023-12-25 11:20:37,967 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (25 of 29 remaining) [2023-12-25 11:20:37,967 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (24 of 29 remaining) [2023-12-25 11:20:37,968 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (23 of 29 remaining) [2023-12-25 11:20:37,968 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (22 of 29 remaining) [2023-12-25 11:20:37,968 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (21 of 29 remaining) [2023-12-25 11:20:37,968 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (20 of 29 remaining) [2023-12-25 11:20:37,968 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (19 of 29 remaining) [2023-12-25 11:20:37,968 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (18 of 29 remaining) [2023-12-25 11:20:37,968 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (17 of 29 remaining) [2023-12-25 11:20:37,968 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (16 of 29 remaining) [2023-12-25 11:20:37,968 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (15 of 29 remaining) [2023-12-25 11:20:37,968 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (14 of 29 remaining) [2023-12-25 11:20:37,968 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (13 of 29 remaining) [2023-12-25 11:20:37,968 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (12 of 29 remaining) [2023-12-25 11:20:37,968 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (11 of 29 remaining) [2023-12-25 11:20:37,968 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (10 of 29 remaining) [2023-12-25 11:20:37,968 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (9 of 29 remaining) [2023-12-25 11:20:37,968 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (8 of 29 remaining) [2023-12-25 11:20:37,968 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (7 of 29 remaining) [2023-12-25 11:20:37,969 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (6 of 29 remaining) [2023-12-25 11:20:37,969 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (5 of 29 remaining) [2023-12-25 11:20:37,969 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (4 of 29 remaining) [2023-12-25 11:20:37,969 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (3 of 29 remaining) [2023-12-25 11:20:37,969 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (2 of 29 remaining) [2023-12-25 11:20:37,969 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (1 of 29 remaining) [2023-12-25 11:20:37,969 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (0 of 29 remaining) [2023-12-25 11:20:37,971 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] [2023-12-25 11:20:37,973 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 11:20:37,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 11:20:37 BoogieIcfgContainer [2023-12-25 11:20:37,974 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 11:20:37,974 INFO L158 Benchmark]: Toolchain (without parser) took 885831.07ms. Allocated memory was 267.4MB in the beginning and 1.1GB in the end (delta: 836.8MB). Free memory was 210.9MB in the beginning and 966.8MB in the end (delta: -755.9MB). Peak memory consumption was 739.9MB. Max. memory is 8.0GB. [2023-12-25 11:20:37,974 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 161.5MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 11:20:37,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2091.15ms. Allocated memory is still 267.4MB. Free memory was 210.6MB in the beginning and 125.5MB in the end (delta: 85.1MB). Peak memory consumption was 122.3MB. Max. memory is 8.0GB. [2023-12-25 11:20:37,974 INFO L158 Benchmark]: Boogie Procedure Inliner took 270.77ms. Allocated memory was 267.4MB in the beginning and 376.4MB in the end (delta: 109.1MB). Free memory was 125.5MB in the beginning and 285.5MB in the end (delta: -160.0MB). Peak memory consumption was 55.5MB. Max. memory is 8.0GB. [2023-12-25 11:20:37,974 INFO L158 Benchmark]: Boogie Preprocessor took 278.97ms. Allocated memory is still 376.4MB. Free memory was 285.5MB in the beginning and 245.2MB in the end (delta: 40.4MB). Peak memory consumption was 51.4MB. Max. memory is 8.0GB. [2023-12-25 11:20:37,974 INFO L158 Benchmark]: RCFGBuilder took 6282.60ms. Allocated memory was 376.4MB in the beginning and 718.3MB in the end (delta: 341.8MB). Free memory was 245.2MB in the beginning and 471.1MB in the end (delta: -226.0MB). Peak memory consumption was 248.5MB. Max. memory is 8.0GB. [2023-12-25 11:20:37,974 INFO L158 Benchmark]: TraceAbstraction took 876903.05ms. Allocated memory was 718.3MB in the beginning and 1.1GB in the end (delta: 385.9MB). Free memory was 470.6MB in the beginning and 966.8MB in the end (delta: -496.2MB). Peak memory consumption was 546.3MB. Max. memory is 8.0GB. [2023-12-25 11:20:37,975 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 161.5MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2091.15ms. Allocated memory is still 267.4MB. Free memory was 210.6MB in the beginning and 125.5MB in the end (delta: 85.1MB). Peak memory consumption was 122.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 270.77ms. Allocated memory was 267.4MB in the beginning and 376.4MB in the end (delta: 109.1MB). Free memory was 125.5MB in the beginning and 285.5MB in the end (delta: -160.0MB). Peak memory consumption was 55.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 278.97ms. Allocated memory is still 376.4MB. Free memory was 285.5MB in the beginning and 245.2MB in the end (delta: 40.4MB). Peak memory consumption was 51.4MB. Max. memory is 8.0GB. * RCFGBuilder took 6282.60ms. Allocated memory was 376.4MB in the beginning and 718.3MB in the end (delta: 341.8MB). Free memory was 245.2MB in the beginning and 471.1MB in the end (delta: -226.0MB). Peak memory consumption was 248.5MB. Max. memory is 8.0GB. * TraceAbstraction took 876903.05ms. Allocated memory was 718.3MB in the beginning and 1.1GB in the end (delta: 385.9MB). Free memory was 470.6MB in the beginning and 966.8MB in the end (delta: -496.2MB). Peak memory consumption was 546.3MB. 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: 924]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 924). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1359]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1359). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1455]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1455). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1510]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1510). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1634]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1634). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1689]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1689). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1772]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1772). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1965]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1965). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 2020]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2020). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 2103]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2103). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 2255]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2255). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 2559]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2559). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 2614]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2614). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 2697]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2697). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 2849]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2849). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 3112]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 3112). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 3609]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 3609). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 3664]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 3664). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 3746]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 3746). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 3897]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 3897). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 4173]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 4173). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 4672]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 4672). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 5613]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 5613). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 5668]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 5668). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 5751]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 5751). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 5903]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 5903). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 6166]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 6166). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 6622]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 6622). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 7433]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 7433). Cancelled while NwaCegarLoop was constructing difference of abstraction (478states) and FLOYD_HOARE automaton (currently 33 states, 33 states before enhancement),while ReachableStatesComputation was computing reachable states (1192 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2080 locations, 29 error locations. Started 1 CEGAR loops. OverallTime: 876.8s, OverallIterations: 127, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 694.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 486794 SdHoareTripleChecker+Valid, 642.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 486794 mSDsluCounter, 455645 SdHoareTripleChecker+Invalid, 608.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 345607 mSDsCounter, 2855 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 350871 IncrementalHoareTripleChecker+Invalid, 353726 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2855 mSolverCounterUnsat, 110038 mSDtfsCounter, 350871 mSolverCounterSat, 2.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15102 GetRequests, 13373 SyntacticMatches, 0 SemanticMatches, 1729 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3803 ImplicationChecksByTransitivity, 78.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2080occurred in iteration=0, InterpolantAutomatonStates: 1193, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 126 MinimizatonAttempts, 16433 StatesRemovedByMinimization, 118 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.2s SsaConstructionTime, 9.9s SatisfiabilityAnalysisTime, 110.0s InterpolantComputationTime, 14356 NumberOfCodeBlocks, 14356 NumberOfCodeBlocksAsserted, 127 NumberOfCheckSat, 14229 ConstructedInterpolants, 10200 QuantifiedInterpolants, 243613 SizeOfPredicates, 695 NumberOfNonLiveVariables, 60983 ConjunctsInSsa, 1175 ConjunctsInUnsatCore, 127 InterpolantComputations, 127 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