/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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 18:28:31,937 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 18:28:31,974 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 18:28:31,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 18:28:31,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 18:28:31,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 18:28:31,991 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 18:28:31,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 18:28:31,992 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 18:28:31,992 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 18:28:31,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 18:28:31,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 18:28:31,993 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 18:28:31,993 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 18:28:31,994 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 18:28:31,994 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 18:28:31,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 18:28:31,994 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 18:28:31,994 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 18:28:31,995 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 18:28:31,995 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 18:28:31,995 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 18:28:31,995 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 18:28:31,996 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 18:28:31,996 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 18:28:31,996 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 18:28:31,996 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 18:28:31,996 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 18:28:31,997 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 18:28:31,997 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 18:28:31,997 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 18:28:31,997 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 18:28:31,997 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 18:28:31,997 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 18:28:31,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 18:28:31,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 18:28:31,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 18:28:31,998 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 18:28:31,998 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 18:28:31,998 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 18:28:31,998 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 18:28:31,999 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 18:28:31,999 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 18:28:31,999 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 18:28:31,999 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 18:28:31,999 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 18:28:31,999 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 18:28:32,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 18:28:32,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 18:28:32,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 18:28:32,203 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 18:28:32,203 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 18:28:32,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c [2023-12-16 18:28:33,330 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 18:28:33,674 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 18:28:33,675 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c [2023-12-16 18:28:33,710 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11c0e9d4a/4a6837bcb2b747558c824899eb421301/FLAG6639136ab [2023-12-16 18:28:33,724 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11c0e9d4a/4a6837bcb2b747558c824899eb421301 [2023-12-16 18:28:33,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 18:28:33,728 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 18:28:33,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 18:28:33,729 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 18:28:33,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 18:28:33,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:28:33" (1/1) ... [2023-12-16 18:28:33,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@560fc5e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:33, skipping insertion in model container [2023-12-16 18:28:33,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:28:33" (1/1) ... [2023-12-16 18:28:33,878 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 18:28:34,503 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[80354,80367] [2023-12-16 18:28:34,576 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[115904,115917] [2023-12-16 18:28:34,606 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[133708,133721] [2023-12-16 18:28:34,628 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[142627,142640] [2023-12-16 18:28:34,645 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[147060,147073] [2023-12-16 18:28:34,653 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[151393,151406] [2023-12-16 18:28:34,727 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[186229,186242] [2023-12-16 18:28:34,758 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[203860,203873] [2023-12-16 18:28:34,772 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[212816,212829] [2023-12-16 18:28:34,780 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[217286,217299] [2023-12-16 18:28:34,787 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[221656,221669] [2023-12-16 18:28:34,819 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[240553,240566] [2023-12-16 18:28:34,834 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[249509,249522] [2023-12-16 18:28:34,842 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[253979,253992] [2023-12-16 18:28:34,849 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[258349,258362] [2023-12-16 18:28:34,857 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[263314,263327] [2023-12-16 18:28:34,864 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[267693,267706] [2023-12-16 18:28:34,871 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[272163,272176] [2023-12-16 18:28:34,879 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[276533,276546] [2023-12-16 18:28:34,886 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[281119,281132] [2023-12-16 18:28:34,894 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[285656,285669] [2023-12-16 18:28:34,902 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[290122,290135] [2023-12-16 18:28:34,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 18:28:34,960 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 18:28:35,147 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[80354,80367] [2023-12-16 18:28:35,205 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[115904,115917] [2023-12-16 18:28:35,272 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[133708,133721] [2023-12-16 18:28:35,285 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[142627,142640] [2023-12-16 18:28:35,291 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[147060,147073] [2023-12-16 18:28:35,298 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[151393,151406] [2023-12-16 18:28:35,341 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[186229,186242] [2023-12-16 18:28:35,365 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[203860,203873] [2023-12-16 18:28:35,377 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[212816,212829] [2023-12-16 18:28:35,383 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[217286,217299] [2023-12-16 18:28:35,390 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[221656,221669] [2023-12-16 18:28:35,417 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[240553,240566] [2023-12-16 18:28:35,433 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[249509,249522] [2023-12-16 18:28:35,440 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[253979,253992] [2023-12-16 18:28:35,446 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[258349,258362] [2023-12-16 18:28:35,453 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[263314,263327] [2023-12-16 18:28:35,460 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[267693,267706] [2023-12-16 18:28:35,467 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[272163,272176] [2023-12-16 18:28:35,473 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[276533,276546] [2023-12-16 18:28:35,480 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[281119,281132] [2023-12-16 18:28:35,486 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[285656,285669] [2023-12-16 18:28:35,493 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.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[290122,290135] [2023-12-16 18:28:35,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 18:28:35,536 INFO L206 MainTranslator]: Completed translation [2023-12-16 18:28:35,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:35 WrapperNode [2023-12-16 18:28:35,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 18:28:35,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 18:28:35,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 18:28:35,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 18:28:35,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:35" (1/1) ... [2023-12-16 18:28:35,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:35" (1/1) ... [2023-12-16 18:28:35,703 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13241 [2023-12-16 18:28:35,704 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 18:28:35,704 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 18:28:35,704 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 18:28:35,705 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 18:28:35,712 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:35" (1/1) ... [2023-12-16 18:28:35,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:35" (1/1) ... [2023-12-16 18:28:35,733 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:35" (1/1) ... [2023-12-16 18:28:35,857 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]. [2023-12-16 18:28:35,857 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:35" (1/1) ... [2023-12-16 18:28:35,857 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:35" (1/1) ... [2023-12-16 18:28:35,911 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:35" (1/1) ... [2023-12-16 18:28:35,937 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:35" (1/1) ... [2023-12-16 18:28:35,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:35" (1/1) ... [2023-12-16 18:28:36,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:35" (1/1) ... [2023-12-16 18:28:36,062 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 18:28:36,064 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 18:28:36,064 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 18:28:36,064 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 18:28:36,064 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:35" (1/1) ... [2023-12-16 18:28:36,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 18:28:36,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 18:28:36,093 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) [2023-12-16 18:28:36,123 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 [2023-12-16 18:28:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 18:28:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 18:28:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 18:28:36,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 18:28:36,437 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 18:28:36,438 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 18:28:41,370 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 18:28:41,454 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 18:28:41,455 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-16 18:28:41,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:28:41 BoogieIcfgContainer [2023-12-16 18:28:41,455 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 18:28:41,457 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 18:28:41,457 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 18:28:41,459 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 18:28:41,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 06:28:33" (1/3) ... [2023-12-16 18:28:41,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@91ebc59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:28:41, skipping insertion in model container [2023-12-16 18:28:41,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:35" (2/3) ... [2023-12-16 18:28:41,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@91ebc59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:28:41, skipping insertion in model container [2023-12-16 18:28:41,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:28:41" (3/3) ... [2023-12-16 18:28:41,461 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+sep-reducer.c [2023-12-16 18:28:41,471 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 18:28:41,471 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-12-16 18:28:41,537 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 18:28:41,542 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;@79f336d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 18:28:41,542 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2023-12-16 18:28:41,554 INFO L276 IsEmpty]: Start isEmpty. Operand has 2539 states, 2516 states have (on average 1.7595389507154213) internal successors, (4427), 2538 states have internal predecessors, (4427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:41,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-16 18:28:41,579 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:28:41,584 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:28:41,584 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 18:28:41,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:28:41,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1286229050, now seen corresponding path program 1 times [2023-12-16 18:28:41,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:28:41,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1674522261] [2023-12-16 18:28:41,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:28:41,603 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:28:41,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:28:41,617 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) [2023-12-16 18:28:41,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 [2023-12-16 18:28:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:28:42,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 18:28:42,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:28:42,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:28:42,476 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:28:42,477 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:28:42,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1674522261] [2023-12-16 18:28:42,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1674522261] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:28:42,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:28:42,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:28:42,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505531945] [2023-12-16 18:28:42,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:28:42,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:28:42,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:28:42,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:28:42,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:28:42,504 INFO L87 Difference]: Start difference. First operand has 2539 states, 2516 states have (on average 1.7595389507154213) internal successors, (4427), 2538 states have internal predecessors, (4427), 0 states have call successors, (0), 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 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:45,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:28:45,190 INFO L93 Difference]: Finished difference Result 4208 states and 7121 transitions. [2023-12-16 18:28:45,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 18:28:45,192 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2023-12-16 18:28:45,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:28:45,212 INFO L225 Difference]: With dead ends: 4208 [2023-12-16 18:28:45,212 INFO L226 Difference]: Without dead ends: 2940 [2023-12-16 18:28:45,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-16 18:28:45,220 INFO L413 NwaCegarLoop]: 1890 mSDtfsCounter, 9715 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 2259 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9715 SdHoareTripleChecker+Valid, 2665 SdHoareTripleChecker+Invalid, 2278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-16 18:28:45,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9715 Valid, 2665 Invalid, 2278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2259 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-16 18:28:45,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2940 states. [2023-12-16 18:28:45,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2940 to 2754. [2023-12-16 18:28:45,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2754 states, 2732 states have (on average 1.3243045387994143) internal successors, (3618), 2753 states have internal predecessors, (3618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:45,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 3618 transitions. [2023-12-16 18:28:45,300 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 3618 transitions. Word has length 86 [2023-12-16 18:28:45,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:28:45,301 INFO L495 AbstractCegarLoop]: Abstraction has 2754 states and 3618 transitions. [2023-12-16 18:28:45,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:45,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3618 transitions. [2023-12-16 18:28:45,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-16 18:28:45,305 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:28:45,305 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:28:45,313 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 [2023-12-16 18:28:45,511 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 [2023-12-16 18:28:45,511 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 18:28:45,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:28:45,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1819596958, now seen corresponding path program 1 times [2023-12-16 18:28:45,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:28:45,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113410985] [2023-12-16 18:28:45,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:28:45,512 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:28:45,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:28:45,514 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) [2023-12-16 18:28:45,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 [2023-12-16 18:28:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:28:45,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 18:28:45,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:28:46,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:28:46,136 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:28:46,136 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:28:46,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [113410985] [2023-12-16 18:28:46,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [113410985] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:28:46,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:28:46,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:28:46,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91541186] [2023-12-16 18:28:46,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:28:46,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:28:46,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:28:46,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:28:46,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:28:46,138 INFO L87 Difference]: Start difference. First operand 2754 states and 3618 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:47,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:28:47,206 INFO L93 Difference]: Finished difference Result 3424 states and 4502 transitions. [2023-12-16 18:28:47,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 18:28:47,207 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2023-12-16 18:28:47,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:28:47,212 INFO L225 Difference]: With dead ends: 3424 [2023-12-16 18:28:47,212 INFO L226 Difference]: Without dead ends: 2069 [2023-12-16 18:28:47,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-16 18:28:47,215 INFO L413 NwaCegarLoop]: 946 mSDtfsCounter, 5769 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5769 SdHoareTripleChecker+Valid, 966 SdHoareTripleChecker+Invalid, 1041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:28:47,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5769 Valid, 966 Invalid, 1041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 18:28:47,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2069 states. [2023-12-16 18:28:47,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2069 to 2069. [2023-12-16 18:28:47,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2069 states, 2047 states have (on average 1.34342940889106) internal successors, (2750), 2068 states have internal predecessors, (2750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:47,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 2750 transitions. [2023-12-16 18:28:47,242 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 2750 transitions. Word has length 86 [2023-12-16 18:28:47,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:28:47,243 INFO L495 AbstractCegarLoop]: Abstraction has 2069 states and 2750 transitions. [2023-12-16 18:28:47,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:47,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2750 transitions. [2023-12-16 18:28:47,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-16 18:28:47,246 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:28:47,247 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:28:47,251 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 [2023-12-16 18:28:47,451 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 [2023-12-16 18:28:47,451 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 18:28:47,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:28:47,452 INFO L85 PathProgramCache]: Analyzing trace with hash 2017741702, now seen corresponding path program 1 times [2023-12-16 18:28:47,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:28:47,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [42472738] [2023-12-16 18:28:47,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:28:47,453 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:28:47,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:28:47,454 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) [2023-12-16 18:28:47,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 [2023-12-16 18:28:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:28:47,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 18:28:47,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:28:48,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:28:48,031 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:28:48,031 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:28:48,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [42472738] [2023-12-16 18:28:48,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [42472738] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:28:48,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:28:48,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:28:48,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165276058] [2023-12-16 18:28:48,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:28:48,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:28:48,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:28:48,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:28:48,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:28:48,032 INFO L87 Difference]: Start difference. First operand 2069 states and 2750 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:49,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:28:49,037 INFO L93 Difference]: Finished difference Result 2874 states and 3836 transitions. [2023-12-16 18:28:49,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 18:28:49,038 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2023-12-16 18:28:49,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:28:49,043 INFO L225 Difference]: With dead ends: 2874 [2023-12-16 18:28:49,043 INFO L226 Difference]: Without dead ends: 1819 [2023-12-16 18:28:49,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-16 18:28:49,054 INFO L413 NwaCegarLoop]: 862 mSDtfsCounter, 5064 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 865 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5064 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 18:28:49,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5064 Valid, 874 Invalid, 875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 865 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 18:28:49,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2023-12-16 18:28:49,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1819. [2023-12-16 18:28:49,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1819 states, 1797 states have (on average 1.358931552587646) internal successors, (2442), 1818 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:49,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1819 states and 2442 transitions. [2023-12-16 18:28:49,085 INFO L78 Accepts]: Start accepts. Automaton has 1819 states and 2442 transitions. Word has length 86 [2023-12-16 18:28:49,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:28:49,086 INFO L495 AbstractCegarLoop]: Abstraction has 1819 states and 2442 transitions. [2023-12-16 18:28:49,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:49,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2442 transitions. [2023-12-16 18:28:49,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-16 18:28:49,089 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:28:49,089 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:28:49,095 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 (4)] Ended with exit code 0 [2023-12-16 18:28:49,293 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 [2023-12-16 18:28:49,294 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 18:28:49,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:28:49,294 INFO L85 PathProgramCache]: Analyzing trace with hash 309558150, now seen corresponding path program 1 times [2023-12-16 18:28:49,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:28:49,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2035096449] [2023-12-16 18:28:49,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:28:49,295 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:28:49,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:28:49,296 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) [2023-12-16 18:28:49,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 [2023-12-16 18:28:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:28:49,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 18:28:49,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:28:49,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:28:49,880 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:28:49,880 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:28:49,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2035096449] [2023-12-16 18:28:49,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2035096449] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:28:49,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:28:49,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:28:49,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504549460] [2023-12-16 18:28:49,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:28:49,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:28:49,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:28:49,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:28:49,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:28:49,882 INFO L87 Difference]: Start difference. First operand 1819 states and 2442 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:50,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:28:50,630 INFO L93 Difference]: Finished difference Result 2296 states and 3060 transitions. [2023-12-16 18:28:50,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 18:28:50,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2023-12-16 18:28:50,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:28:50,636 INFO L225 Difference]: With dead ends: 2296 [2023-12-16 18:28:50,637 INFO L226 Difference]: Without dead ends: 1403 [2023-12-16 18:28:50,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-16 18:28:50,644 INFO L413 NwaCegarLoop]: 665 mSDtfsCounter, 3818 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3818 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 18:28:50,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3818 Valid, 693 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 18:28:50,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2023-12-16 18:28:50,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 1403. [2023-12-16 18:28:50,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1403 states, 1381 states have (on average 1.3692976104272268) internal successors, (1891), 1402 states have internal predecessors, (1891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:50,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1403 states and 1891 transitions. [2023-12-16 18:28:50,667 INFO L78 Accepts]: Start accepts. Automaton has 1403 states and 1891 transitions. Word has length 88 [2023-12-16 18:28:50,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:28:50,667 INFO L495 AbstractCegarLoop]: Abstraction has 1403 states and 1891 transitions. [2023-12-16 18:28:50,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:50,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1891 transitions. [2023-12-16 18:28:50,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-16 18:28:50,673 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:28:50,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:28:50,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-16 18:28:50,895 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 [2023-12-16 18:28:50,895 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 18:28:50,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:28:50,896 INFO L85 PathProgramCache]: Analyzing trace with hash -2029023464, now seen corresponding path program 1 times [2023-12-16 18:28:50,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:28:50,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1700653584] [2023-12-16 18:28:50,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:28:50,905 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:28:50,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:28:50,921 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) [2023-12-16 18:28:50,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 [2023-12-16 18:28:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:28:51,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 18:28:51,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:28:51,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:28:51,535 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:28:51,536 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:28:51,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1700653584] [2023-12-16 18:28:51,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1700653584] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:28:51,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:28:51,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:28:51,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582917547] [2023-12-16 18:28:51,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:28:51,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:28:51,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:28:51,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:28:51,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:28:51,537 INFO L87 Difference]: Start difference. First operand 1403 states and 1891 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:52,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:28:52,138 INFO L93 Difference]: Finished difference Result 1690 states and 2248 transitions. [2023-12-16 18:28:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 18:28:52,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2023-12-16 18:28:52,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:28:52,141 INFO L225 Difference]: With dead ends: 1690 [2023-12-16 18:28:52,141 INFO L226 Difference]: Without dead ends: 1001 [2023-12-16 18:28:52,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-16 18:28:52,143 INFO L413 NwaCegarLoop]: 499 mSDtfsCounter, 1757 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1757 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 18:28:52,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1757 Valid, 535 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 18:28:52,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2023-12-16 18:28:52,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 1001. [2023-12-16 18:28:52,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1001 states, 979 states have (on average 1.3789581205311543) internal successors, (1350), 1000 states have internal predecessors, (1350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:52,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1350 transitions. [2023-12-16 18:28:52,156 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1350 transitions. Word has length 90 [2023-12-16 18:28:52,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:28:52,156 INFO L495 AbstractCegarLoop]: Abstraction has 1001 states and 1350 transitions. [2023-12-16 18:28:52,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:52,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1350 transitions. [2023-12-16 18:28:52,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-16 18:28:52,158 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:28:52,158 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:28:52,163 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 (6)] Ended with exit code 0 [2023-12-16 18:28:52,362 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 [2023-12-16 18:28:52,362 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 18:28:52,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:28:52,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1221939621, now seen corresponding path program 1 times [2023-12-16 18:28:52,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:28:52,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [201124572] [2023-12-16 18:28:52,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:28:52,363 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:28:52,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:28:52,364 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) [2023-12-16 18:28:52,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 [2023-12-16 18:28:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:28:52,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 18:28:52,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:28:52,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:28:52,919 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:28:52,919 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:28:52,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [201124572] [2023-12-16 18:28:52,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [201124572] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:28:52,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:28:52,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:28:52,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366430325] [2023-12-16 18:28:52,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:28:52,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:28:52,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:28:52,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:28:52,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:28:52,921 INFO L87 Difference]: Start difference. First operand 1001 states and 1350 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:53,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:28:53,449 INFO L93 Difference]: Finished difference Result 1452 states and 1959 transitions. [2023-12-16 18:28:53,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 18:28:53,451 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2023-12-16 18:28:53,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:28:53,454 INFO L225 Difference]: With dead ends: 1452 [2023-12-16 18:28:53,454 INFO L226 Difference]: Without dead ends: 993 [2023-12-16 18:28:53,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-16 18:28:53,455 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 1714 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1714 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 18:28:53,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1714 Valid, 480 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 18:28:53,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2023-12-16 18:28:53,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 993. [2023-12-16 18:28:53,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 971 states have (on average 1.3789907312049434) internal successors, (1339), 992 states have internal predecessors, (1339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:53,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1339 transitions. [2023-12-16 18:28:53,467 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1339 transitions. Word has length 92 [2023-12-16 18:28:53,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:28:53,467 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1339 transitions. [2023-12-16 18:28:53,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:53,468 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1339 transitions. [2023-12-16 18:28:53,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-16 18:28:53,469 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:28:53,469 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:28:53,473 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 [2023-12-16 18:28:53,674 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 [2023-12-16 18:28:53,674 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 18:28:53,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:28:53,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1346771176, now seen corresponding path program 1 times [2023-12-16 18:28:53,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:28:53,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1546984242] [2023-12-16 18:28:53,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:28:53,675 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:28:53,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:28:53,683 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) [2023-12-16 18:28:53,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 [2023-12-16 18:28:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:28:54,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-16 18:28:54,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:28:54,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:28:54,384 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:28:54,384 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:28:54,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1546984242] [2023-12-16 18:28:54,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1546984242] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:28:54,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:28:54,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 18:28:54,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015147861] [2023-12-16 18:28:54,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:28:54,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 18:28:54,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:28:54,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 18:28:54,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-16 18:28:54,385 INFO L87 Difference]: Start difference. First operand 993 states and 1339 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:55,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:28:55,603 INFO L93 Difference]: Finished difference Result 1445 states and 1947 transitions. [2023-12-16 18:28:55,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 18:28:55,604 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2023-12-16 18:28:55,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:28:55,606 INFO L225 Difference]: With dead ends: 1445 [2023-12-16 18:28:55,606 INFO L226 Difference]: Without dead ends: 993 [2023-12-16 18:28:55,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-12-16 18:28:55,608 INFO L413 NwaCegarLoop]: 433 mSDtfsCounter, 2597 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 977 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2597 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-16 18:28:55,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2597 Valid, 916 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 977 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-16 18:28:55,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2023-12-16 18:28:55,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 993. [2023-12-16 18:28:55,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 971 states have (on average 1.3779608650875386) internal successors, (1338), 992 states have internal predecessors, (1338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:55,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1338 transitions. [2023-12-16 18:28:55,616 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1338 transitions. Word has length 94 [2023-12-16 18:28:55,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:28:55,617 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1338 transitions. [2023-12-16 18:28:55,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:55,617 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1338 transitions. [2023-12-16 18:28:55,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-16 18:28:55,618 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:28:55,618 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:28:55,648 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 (8)] Ended with exit code 0 [2023-12-16 18:28:55,820 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 [2023-12-16 18:28:55,821 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 18:28:55,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:28:55,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1574448360, now seen corresponding path program 1 times [2023-12-16 18:28:55,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:28:55,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1535612838] [2023-12-16 18:28:55,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:28:55,822 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:28:55,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:28:55,823 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) [2023-12-16 18:28:55,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 [2023-12-16 18:28:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:28:56,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:28:56,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:28:56,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:28:56,607 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:28:56,607 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:28:56,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1535612838] [2023-12-16 18:28:56,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1535612838] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:28:56,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:28:56,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:28:56,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309895684] [2023-12-16 18:28:56,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:28:56,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:28:56,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:28:56,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:28:56,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:28:56,608 INFO L87 Difference]: Start difference. First operand 993 states and 1338 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:58,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:28:58,571 INFO L93 Difference]: Finished difference Result 1513 states and 2032 transitions. [2023-12-16 18:28:58,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 18:28:58,572 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2023-12-16 18:28:58,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:28:58,575 INFO L225 Difference]: With dead ends: 1513 [2023-12-16 18:28:58,575 INFO L226 Difference]: Without dead ends: 1231 [2023-12-16 18:28:58,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-12-16 18:28:58,576 INFO L413 NwaCegarLoop]: 536 mSDtfsCounter, 4741 mSDsluCounter, 1656 mSDsCounter, 0 mSdLazyCounter, 1548 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4741 SdHoareTripleChecker+Valid, 2192 SdHoareTripleChecker+Invalid, 1554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-16 18:28:58,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4741 Valid, 2192 Invalid, 1554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1548 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-16 18:28:58,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1231 states. [2023-12-16 18:28:58,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1231 to 993. [2023-12-16 18:28:58,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 971 states have (on average 1.376930998970134) internal successors, (1337), 992 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:58,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1337 transitions. [2023-12-16 18:28:58,587 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1337 transitions. Word has length 94 [2023-12-16 18:28:58,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:28:58,587 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1337 transitions. [2023-12-16 18:28:58,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:28:58,587 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1337 transitions. [2023-12-16 18:28:58,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-16 18:28:58,589 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:28:58,589 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:28:58,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-12-16 18:28:58,793 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 [2023-12-16 18:28:58,793 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 18:28:58,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:28:58,794 INFO L85 PathProgramCache]: Analyzing trace with hash -53559704, now seen corresponding path program 1 times [2023-12-16 18:28:58,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:28:58,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1575575933] [2023-12-16 18:28:58,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:28:58,794 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:28:58,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:28:58,795 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) [2023-12-16 18:28:58,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 [2023-12-16 18:28:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:28:59,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:28:59,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:28:59,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:28:59,553 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:28:59,553 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:28:59,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1575575933] [2023-12-16 18:28:59,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1575575933] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:28:59,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:28:59,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:28:59,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525150197] [2023-12-16 18:28:59,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:28:59,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:28:59,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:28:59,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:28:59,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:28:59,554 INFO L87 Difference]: Start difference. First operand 993 states and 1337 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:01,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:29:01,344 INFO L93 Difference]: Finished difference Result 1347 states and 1855 transitions. [2023-12-16 18:29:01,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 18:29:01,344 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2023-12-16 18:29:01,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:29:01,347 INFO L225 Difference]: With dead ends: 1347 [2023-12-16 18:29:01,347 INFO L226 Difference]: Without dead ends: 1141 [2023-12-16 18:29:01,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-16 18:29:01,348 INFO L413 NwaCegarLoop]: 533 mSDtfsCounter, 2348 mSDsluCounter, 1441 mSDsCounter, 0 mSdLazyCounter, 1408 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2348 SdHoareTripleChecker+Valid, 1974 SdHoareTripleChecker+Invalid, 1414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-16 18:29:01,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2348 Valid, 1974 Invalid, 1414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1408 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-16 18:29:01,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2023-12-16 18:29:01,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 993. [2023-12-16 18:29:01,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 971 states have (on average 1.375901132852729) internal successors, (1336), 992 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:01,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1336 transitions. [2023-12-16 18:29:01,359 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1336 transitions. Word has length 94 [2023-12-16 18:29:01,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:29:01,359 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1336 transitions. [2023-12-16 18:29:01,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:01,359 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1336 transitions. [2023-12-16 18:29:01,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-16 18:29:01,361 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:29:01,361 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:29:01,368 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 [2023-12-16 18:29:01,566 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 [2023-12-16 18:29:01,566 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 18:29:01,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:29:01,566 INFO L85 PathProgramCache]: Analyzing trace with hash 339408658, now seen corresponding path program 1 times [2023-12-16 18:29:01,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:29:01,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [614546863] [2023-12-16 18:29:01,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:29:01,567 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:29:01,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:29:01,568 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) [2023-12-16 18:29:01,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 [2023-12-16 18:29:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:29:01,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:29:01,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:29:02,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:29:02,327 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:29:02,327 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:29:02,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [614546863] [2023-12-16 18:29:02,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [614546863] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:29:02,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:29:02,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:29:02,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894510706] [2023-12-16 18:29:02,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:29:02,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:29:02,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:29:02,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:29:02,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:29:02,328 INFO L87 Difference]: Start difference. First operand 993 states and 1336 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:04,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:29:04,146 INFO L93 Difference]: Finished difference Result 1313 states and 1809 transitions. [2023-12-16 18:29:04,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 18:29:04,147 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-16 18:29:04,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:29:04,149 INFO L225 Difference]: With dead ends: 1313 [2023-12-16 18:29:04,149 INFO L226 Difference]: Without dead ends: 1141 [2023-12-16 18:29:04,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-16 18:29:04,151 INFO L413 NwaCegarLoop]: 574 mSDtfsCounter, 2101 mSDsluCounter, 1557 mSDsCounter, 0 mSdLazyCounter, 1584 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2101 SdHoareTripleChecker+Valid, 2131 SdHoareTripleChecker+Invalid, 1591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-16 18:29:04,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2101 Valid, 2131 Invalid, 1591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1584 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-16 18:29:04,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2023-12-16 18:29:04,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 993. [2023-12-16 18:29:04,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 971 states have (on average 1.3748712667353244) internal successors, (1335), 992 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:04,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1335 transitions. [2023-12-16 18:29:04,179 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1335 transitions. Word has length 95 [2023-12-16 18:29:04,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:29:04,184 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1335 transitions. [2023-12-16 18:29:04,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:04,185 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1335 transitions. [2023-12-16 18:29:04,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-16 18:29:04,187 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:29:04,187 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] [2023-12-16 18:29:04,193 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 [2023-12-16 18:29:04,387 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 [2023-12-16 18:29:04,388 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 18:29:04,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:29:04,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1249049709, now seen corresponding path program 1 times [2023-12-16 18:29:04,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:29:04,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1157368573] [2023-12-16 18:29:04,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:29:04,389 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:29:04,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:29:04,390 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) [2023-12-16 18:29:04,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 [2023-12-16 18:29:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:29:04,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:29:04,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:29:05,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:29:05,213 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:29:05,213 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:29:05,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1157368573] [2023-12-16 18:29:05,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1157368573] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:29:05,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:29:05,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:29:05,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94773725] [2023-12-16 18:29:05,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:29:05,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:29:05,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:29:05,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:29:05,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:29:05,214 INFO L87 Difference]: Start difference. First operand 993 states and 1335 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:07,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:29:07,292 INFO L93 Difference]: Finished difference Result 1662 states and 2226 transitions. [2023-12-16 18:29:07,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 18:29:07,293 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-12-16 18:29:07,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:29:07,296 INFO L225 Difference]: With dead ends: 1662 [2023-12-16 18:29:07,296 INFO L226 Difference]: Without dead ends: 1231 [2023-12-16 18:29:07,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-12-16 18:29:07,297 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 4734 mSDsluCounter, 1761 mSDsCounter, 0 mSdLazyCounter, 1695 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4734 SdHoareTripleChecker+Valid, 2360 SdHoareTripleChecker+Invalid, 1701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-16 18:29:07,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4734 Valid, 2360 Invalid, 1701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1695 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-16 18:29:07,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1231 states. [2023-12-16 18:29:07,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1231 to 993. [2023-12-16 18:29:07,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 971 states have (on average 1.372811534500515) internal successors, (1333), 992 states have internal predecessors, (1333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:07,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1333 transitions. [2023-12-16 18:29:07,312 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1333 transitions. Word has length 96 [2023-12-16 18:29:07,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:29:07,312 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1333 transitions. [2023-12-16 18:29:07,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:07,312 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1333 transitions. [2023-12-16 18:29:07,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-16 18:29:07,313 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:29:07,313 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:29:07,320 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 [2023-12-16 18:29:07,517 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 [2023-12-16 18:29:07,518 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 18:29:07,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:29:07,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1573191597, now seen corresponding path program 1 times [2023-12-16 18:29:07,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:29:07,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [857069586] [2023-12-16 18:29:07,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:29:07,518 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:29:07,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:29:07,545 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) [2023-12-16 18:29:07,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 [2023-12-16 18:29:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:29:07,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:29:07,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:29:08,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:29:08,339 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:29:08,339 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:29:08,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [857069586] [2023-12-16 18:29:08,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [857069586] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:29:08,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:29:08,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:29:08,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313317326] [2023-12-16 18:29:08,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:29:08,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:29:08,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:29:08,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:29:08,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:29:08,341 INFO L87 Difference]: Start difference. First operand 993 states and 1333 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:10,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:29:10,162 INFO L93 Difference]: Finished difference Result 1340 states and 1841 transitions. [2023-12-16 18:29:10,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 18:29:10,162 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-12-16 18:29:10,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:29:10,165 INFO L225 Difference]: With dead ends: 1340 [2023-12-16 18:29:10,165 INFO L226 Difference]: Without dead ends: 1141 [2023-12-16 18:29:10,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-16 18:29:10,165 INFO L413 NwaCegarLoop]: 590 mSDtfsCounter, 2069 mSDsluCounter, 1585 mSDsCounter, 0 mSdLazyCounter, 1574 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2069 SdHoareTripleChecker+Valid, 2175 SdHoareTripleChecker+Invalid, 1581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-16 18:29:10,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2069 Valid, 2175 Invalid, 1581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1574 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-16 18:29:10,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2023-12-16 18:29:10,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 993. [2023-12-16 18:29:10,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 971 states have (on average 1.3707518022657055) internal successors, (1331), 992 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:10,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1331 transitions. [2023-12-16 18:29:10,175 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1331 transitions. Word has length 96 [2023-12-16 18:29:10,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:29:10,175 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1331 transitions. [2023-12-16 18:29:10,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:10,176 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1331 transitions. [2023-12-16 18:29:10,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-16 18:29:10,177 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:29:10,177 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:29:10,183 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 (13)] Ended with exit code 0 [2023-12-16 18:29:10,384 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 [2023-12-16 18:29:10,384 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 18:29:10,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:29:10,385 INFO L85 PathProgramCache]: Analyzing trace with hash 474771949, now seen corresponding path program 1 times [2023-12-16 18:29:10,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:29:10,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444525328] [2023-12-16 18:29:10,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:29:10,385 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:29:10,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:29:10,386 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) [2023-12-16 18:29:10,388 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 (14)] Waiting until timeout for monitored process [2023-12-16 18:29:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:29:10,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:29:10,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:29:11,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:29:11,202 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:29:11,203 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:29:11,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444525328] [2023-12-16 18:29:11,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1444525328] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:29:11,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:29:11,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:29:11,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862265695] [2023-12-16 18:29:11,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:29:11,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:29:11,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:29:11,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:29:11,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:29:11,204 INFO L87 Difference]: Start difference. First operand 993 states and 1331 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:13,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:29:13,212 INFO L93 Difference]: Finished difference Result 1399 states and 1916 transitions. [2023-12-16 18:29:13,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 18:29:13,212 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-12-16 18:29:13,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:29:13,215 INFO L225 Difference]: With dead ends: 1399 [2023-12-16 18:29:13,215 INFO L226 Difference]: Without dead ends: 1141 [2023-12-16 18:29:13,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-16 18:29:13,216 INFO L413 NwaCegarLoop]: 596 mSDtfsCounter, 2137 mSDsluCounter, 1551 mSDsCounter, 0 mSdLazyCounter, 1530 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2137 SdHoareTripleChecker+Valid, 2147 SdHoareTripleChecker+Invalid, 1535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-16 18:29:13,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2137 Valid, 2147 Invalid, 1535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1530 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-16 18:29:13,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2023-12-16 18:29:13,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 993. [2023-12-16 18:29:13,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 971 states have (on average 1.368692070030896) internal successors, (1329), 992 states have internal predecessors, (1329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:13,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1329 transitions. [2023-12-16 18:29:13,226 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1329 transitions. Word has length 96 [2023-12-16 18:29:13,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:29:13,226 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1329 transitions. [2023-12-16 18:29:13,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:13,226 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1329 transitions. [2023-12-16 18:29:13,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-16 18:29:13,227 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:29:13,227 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:29:13,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2023-12-16 18:29:13,427 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 [2023-12-16 18:29:13,428 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 18:29:13,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:29:13,428 INFO L85 PathProgramCache]: Analyzing trace with hash 87823981, now seen corresponding path program 1 times [2023-12-16 18:29:13,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:29:13,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [500800300] [2023-12-16 18:29:13,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:29:13,429 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:29:13,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:29:13,430 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) [2023-12-16 18:29:13,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 [2023-12-16 18:29:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:29:13,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:29:13,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:29:14,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:29:14,247 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:29:14,248 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:29:14,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [500800300] [2023-12-16 18:29:14,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [500800300] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:29:14,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:29:14,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:29:14,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324943860] [2023-12-16 18:29:14,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:29:14,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:29:14,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:29:14,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:29:14,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:29:14,251 INFO L87 Difference]: Start difference. First operand 993 states and 1329 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:16,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:29:16,024 INFO L93 Difference]: Finished difference Result 1318 states and 1806 transitions. [2023-12-16 18:29:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 18:29:16,024 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-12-16 18:29:16,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:29:16,027 INFO L225 Difference]: With dead ends: 1318 [2023-12-16 18:29:16,027 INFO L226 Difference]: Without dead ends: 1141 [2023-12-16 18:29:16,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-16 18:29:16,028 INFO L413 NwaCegarLoop]: 590 mSDtfsCounter, 2062 mSDsluCounter, 1585 mSDsCounter, 0 mSdLazyCounter, 1570 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2062 SdHoareTripleChecker+Valid, 2175 SdHoareTripleChecker+Invalid, 1577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-16 18:29:16,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2062 Valid, 2175 Invalid, 1577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1570 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-16 18:29:16,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2023-12-16 18:29:16,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 993. [2023-12-16 18:29:16,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 971 states have (on average 1.3676622039134911) internal successors, (1328), 992 states have internal predecessors, (1328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:16,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1328 transitions. [2023-12-16 18:29:16,039 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1328 transitions. Word has length 96 [2023-12-16 18:29:16,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:29:16,040 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1328 transitions. [2023-12-16 18:29:16,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:16,040 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1328 transitions. [2023-12-16 18:29:16,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-16 18:29:16,041 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:29:16,041 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:29:16,052 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 [2023-12-16 18:29:16,245 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 [2023-12-16 18:29:16,245 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 18:29:16,246 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:29:16,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1301641659, now seen corresponding path program 1 times [2023-12-16 18:29:16,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:29:16,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [705054684] [2023-12-16 18:29:16,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:29:16,246 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:29:16,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:29:16,247 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) [2023-12-16 18:29:16,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 [2023-12-16 18:29:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:29:16,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:29:16,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:29:16,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:29:16,980 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:29:16,980 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:29:16,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [705054684] [2023-12-16 18:29:16,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [705054684] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:29:16,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:29:16,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:29:16,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475476664] [2023-12-16 18:29:16,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:29:16,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:29:16,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:29:16,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:29:16,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:29:16,982 INFO L87 Difference]: Start difference. First operand 993 states and 1328 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:18,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:29:18,747 INFO L93 Difference]: Finished difference Result 1298 states and 1780 transitions. [2023-12-16 18:29:18,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 18:29:18,748 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-12-16 18:29:18,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:29:18,750 INFO L225 Difference]: With dead ends: 1298 [2023-12-16 18:29:18,750 INFO L226 Difference]: Without dead ends: 1141 [2023-12-16 18:29:18,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-16 18:29:18,754 INFO L413 NwaCegarLoop]: 566 mSDtfsCounter, 2937 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 1586 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2937 SdHoareTripleChecker+Valid, 2098 SdHoareTripleChecker+Invalid, 1597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-16 18:29:18,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2937 Valid, 2098 Invalid, 1597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1586 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-16 18:29:18,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2023-12-16 18:29:18,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 993. [2023-12-16 18:29:18,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 971 states have (on average 1.3666323377960865) internal successors, (1327), 992 states have internal predecessors, (1327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:18,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1327 transitions. [2023-12-16 18:29:18,775 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1327 transitions. Word has length 96 [2023-12-16 18:29:18,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:29:18,775 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1327 transitions. [2023-12-16 18:29:18,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:18,776 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1327 transitions. [2023-12-16 18:29:18,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-16 18:29:18,777 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:29:18,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:29:18,796 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 [2023-12-16 18:29:18,980 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 [2023-12-16 18:29:18,981 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 18:29:18,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:29:18,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1905411411, now seen corresponding path program 1 times [2023-12-16 18:29:18,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:29:18,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1889888304] [2023-12-16 18:29:18,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:29:18,982 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:29:18,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:29:18,983 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) [2023-12-16 18:29:18,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 [2023-12-16 18:29:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:29:19,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:29:19,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:29:19,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:29:19,799 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:29:19,799 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:29:19,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1889888304] [2023-12-16 18:29:19,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1889888304] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:29:19,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:29:19,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:29:19,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956132721] [2023-12-16 18:29:19,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:29:19,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:29:19,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:29:19,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:29:19,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:29:19,800 INFO L87 Difference]: Start difference. First operand 993 states and 1327 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:21,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:29:21,428 INFO L93 Difference]: Finished difference Result 1361 states and 1859 transitions. [2023-12-16 18:29:21,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 18:29:21,428 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-12-16 18:29:21,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:29:21,430 INFO L225 Difference]: With dead ends: 1361 [2023-12-16 18:29:21,431 INFO L226 Difference]: Without dead ends: 1141 [2023-12-16 18:29:21,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-16 18:29:21,431 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 2318 mSDsluCounter, 1452 mSDsCounter, 0 mSdLazyCounter, 1384 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2318 SdHoareTripleChecker+Valid, 2001 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 18:29:21,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2318 Valid, 2001 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1384 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 18:29:21,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2023-12-16 18:29:21,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 993. [2023-12-16 18:29:21,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 971 states have (on average 1.3656024716786819) internal successors, (1326), 992 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:21,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1326 transitions. [2023-12-16 18:29:21,441 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1326 transitions. Word has length 96 [2023-12-16 18:29:21,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:29:21,441 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1326 transitions. [2023-12-16 18:29:21,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:21,442 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1326 transitions. [2023-12-16 18:29:21,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-16 18:29:21,443 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:29:21,443 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:29:21,449 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 [2023-12-16 18:29:21,646 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 [2023-12-16 18:29:21,646 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 18:29:21,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:29:21,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1768372077, now seen corresponding path program 1 times [2023-12-16 18:29:21,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:29:21,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1143068980] [2023-12-16 18:29:21,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:29:21,648 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:29:21,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:29:21,649 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) [2023-12-16 18:29:21,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 [2023-12-16 18:29:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:29:21,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:29:21,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:29:22,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:29:22,461 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:29:22,462 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:29:22,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1143068980] [2023-12-16 18:29:22,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1143068980] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:29:22,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:29:22,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:29:22,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511431204] [2023-12-16 18:29:22,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:29:22,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:29:22,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:29:22,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:29:22,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:29:22,463 INFO L87 Difference]: Start difference. First operand 993 states and 1326 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:24,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:29:24,270 INFO L93 Difference]: Finished difference Result 1318 states and 1804 transitions. [2023-12-16 18:29:24,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 18:29:24,270 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-12-16 18:29:24,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:29:24,273 INFO L225 Difference]: With dead ends: 1318 [2023-12-16 18:29:24,273 INFO L226 Difference]: Without dead ends: 1141 [2023-12-16 18:29:24,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-16 18:29:24,273 INFO L413 NwaCegarLoop]: 590 mSDtfsCounter, 2055 mSDsluCounter, 1582 mSDsCounter, 0 mSdLazyCounter, 1562 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2055 SdHoareTripleChecker+Valid, 2172 SdHoareTripleChecker+Invalid, 1569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-16 18:29:24,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2055 Valid, 2172 Invalid, 1569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1562 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-16 18:29:24,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2023-12-16 18:29:24,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 993. [2023-12-16 18:29:24,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 971 states have (on average 1.364572605561277) internal successors, (1325), 992 states have internal predecessors, (1325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:24,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1325 transitions. [2023-12-16 18:29:24,283 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1325 transitions. Word has length 96 [2023-12-16 18:29:24,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:29:24,283 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1325 transitions. [2023-12-16 18:29:24,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:24,283 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1325 transitions. [2023-12-16 18:29:24,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-16 18:29:24,284 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:29:24,284 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] [2023-12-16 18:29:24,288 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 [2023-12-16 18:29:24,488 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 [2023-12-16 18:29:24,489 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 18:29:24,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:29:24,489 INFO L85 PathProgramCache]: Analyzing trace with hash 372640941, now seen corresponding path program 1 times [2023-12-16 18:29:24,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:29:24,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [868935495] [2023-12-16 18:29:24,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:29:24,490 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:29:24,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:29:24,491 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) [2023-12-16 18:29:24,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 [2023-12-16 18:29:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:29:24,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:29:24,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:29:25,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:29:25,284 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:29:25,284 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:29:25,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [868935495] [2023-12-16 18:29:25,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [868935495] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:29:25,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:29:25,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:29:25,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478894284] [2023-12-16 18:29:25,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:29:25,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:29:25,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:29:25,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:29:25,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:29:25,287 INFO L87 Difference]: Start difference. First operand 993 states and 1325 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:27,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:29:27,071 INFO L93 Difference]: Finished difference Result 1309 states and 1791 transitions. [2023-12-16 18:29:27,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 18:29:27,072 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2023-12-16 18:29:27,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:29:27,074 INFO L225 Difference]: With dead ends: 1309 [2023-12-16 18:29:27,074 INFO L226 Difference]: Without dead ends: 1141 [2023-12-16 18:29:27,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-16 18:29:27,075 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 2886 mSDsluCounter, 1555 mSDsCounter, 0 mSdLazyCounter, 1577 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2886 SdHoareTripleChecker+Valid, 2133 SdHoareTripleChecker+Invalid, 1588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-16 18:29:27,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2886 Valid, 2133 Invalid, 1588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1577 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-16 18:29:27,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2023-12-16 18:29:27,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 993. [2023-12-16 18:29:27,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 971 states have (on average 1.3625128733264675) internal successors, (1323), 992 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:27,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1323 transitions. [2023-12-16 18:29:27,084 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1323 transitions. Word has length 97 [2023-12-16 18:29:27,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:29:27,084 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1323 transitions. [2023-12-16 18:29:27,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:27,084 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1323 transitions. [2023-12-16 18:29:27,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-16 18:29:27,085 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:29:27,085 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:29:27,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2023-12-16 18:29:27,289 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 [2023-12-16 18:29:27,289 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 18:29:27,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:29:27,290 INFO L85 PathProgramCache]: Analyzing trace with hash 620938253, now seen corresponding path program 1 times [2023-12-16 18:29:27,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:29:27,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [162122440] [2023-12-16 18:29:27,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:29:27,290 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:29:27,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:29:27,291 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) [2023-12-16 18:29:27,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 [2023-12-16 18:29:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:29:27,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:29:27,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:29:28,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:29:28,055 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:29:28,055 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:29:28,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [162122440] [2023-12-16 18:29:28,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [162122440] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:29:28,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:29:28,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:29:28,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114437766] [2023-12-16 18:29:28,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:29:28,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:29:28,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:29:28,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:29:28,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:29:28,056 INFO L87 Difference]: Start difference. First operand 993 states and 1323 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:29,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:29:29,887 INFO L93 Difference]: Finished difference Result 1299 states and 1776 transitions. [2023-12-16 18:29:29,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 18:29:29,887 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2023-12-16 18:29:29,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:29:29,890 INFO L225 Difference]: With dead ends: 1299 [2023-12-16 18:29:29,890 INFO L226 Difference]: Without dead ends: 1141 [2023-12-16 18:29:29,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-16 18:29:29,890 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 2067 mSDsluCounter, 1555 mSDsCounter, 0 mSdLazyCounter, 1573 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2067 SdHoareTripleChecker+Valid, 2133 SdHoareTripleChecker+Invalid, 1584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-16 18:29:29,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2067 Valid, 2133 Invalid, 1584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1573 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-16 18:29:29,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2023-12-16 18:29:29,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 993. [2023-12-16 18:29:29,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 971 states have (on average 1.361483007209063) internal successors, (1322), 992 states have internal predecessors, (1322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:29,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1322 transitions. [2023-12-16 18:29:29,904 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1322 transitions. Word has length 97 [2023-12-16 18:29:29,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:29:29,904 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1322 transitions. [2023-12-16 18:29:29,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:29,904 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1322 transitions. [2023-12-16 18:29:29,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-16 18:29:29,905 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:29:29,905 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:29:29,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2023-12-16 18:29:30,109 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 [2023-12-16 18:29:30,110 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 18:29:30,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:29:30,110 INFO L85 PathProgramCache]: Analyzing trace with hash 108985709, now seen corresponding path program 1 times [2023-12-16 18:29:30,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:29:30,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1462014228] [2023-12-16 18:29:30,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:29:30,111 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:29:30,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:29:30,112 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) [2023-12-16 18:29:30,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 [2023-12-16 18:29:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:29:30,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:29:30,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:29:30,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:29:30,811 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:29:30,812 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:29:30,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1462014228] [2023-12-16 18:29:30,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1462014228] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:29:30,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:29:30,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:29:30,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51711442] [2023-12-16 18:29:30,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:29:30,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:29:30,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:29:30,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:29:30,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:29:30,815 INFO L87 Difference]: Start difference. First operand 993 states and 1322 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:32,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:29:32,608 INFO L93 Difference]: Finished difference Result 1299 states and 1775 transitions. [2023-12-16 18:29:32,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 18:29:32,608 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2023-12-16 18:29:32,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:29:32,611 INFO L225 Difference]: With dead ends: 1299 [2023-12-16 18:29:32,611 INFO L226 Difference]: Without dead ends: 1141 [2023-12-16 18:29:32,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-16 18:29:32,611 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 2851 mSDsluCounter, 1555 mSDsCounter, 0 mSdLazyCounter, 1569 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2851 SdHoareTripleChecker+Valid, 2133 SdHoareTripleChecker+Invalid, 1580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-16 18:29:32,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2851 Valid, 2133 Invalid, 1580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1569 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-16 18:29:32,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2023-12-16 18:29:32,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 993. [2023-12-16 18:29:32,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 971 states have (on average 1.360453141091658) internal successors, (1321), 992 states have internal predecessors, (1321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:32,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1321 transitions. [2023-12-16 18:29:32,623 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1321 transitions. Word has length 97 [2023-12-16 18:29:32,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:29:32,623 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1321 transitions. [2023-12-16 18:29:32,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:32,623 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1321 transitions. [2023-12-16 18:29:32,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-16 18:29:32,624 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:29:32,624 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:29:32,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2023-12-16 18:29:32,829 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 [2023-12-16 18:29:32,829 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 18:29:32,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:29:32,830 INFO L85 PathProgramCache]: Analyzing trace with hash -670035859, now seen corresponding path program 1 times [2023-12-16 18:29:32,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:29:32,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1130620932] [2023-12-16 18:29:32,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:29:32,830 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:29:32,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:29:32,831 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) [2023-12-16 18:29:32,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2023-12-16 18:29:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:29:33,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:29:33,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:29:33,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:29:33,697 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:29:33,697 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:29:33,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1130620932] [2023-12-16 18:29:33,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1130620932] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:29:33,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:29:33,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:29:33,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715461340] [2023-12-16 18:29:33,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:29:33,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:29:33,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:29:33,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:29:33,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:29:33,699 INFO L87 Difference]: Start difference. First operand 993 states and 1321 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:35,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:29:35,544 INFO L93 Difference]: Finished difference Result 1290 states and 1762 transitions. [2023-12-16 18:29:35,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 18:29:35,544 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2023-12-16 18:29:35,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:29:35,547 INFO L225 Difference]: With dead ends: 1290 [2023-12-16 18:29:35,547 INFO L226 Difference]: Without dead ends: 1141 [2023-12-16 18:29:35,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-16 18:29:35,547 INFO L413 NwaCegarLoop]: 553 mSDtfsCounter, 2181 mSDsluCounter, 1446 mSDsCounter, 0 mSdLazyCounter, 1574 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2181 SdHoareTripleChecker+Valid, 1999 SdHoareTripleChecker+Invalid, 1593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-16 18:29:35,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2181 Valid, 1999 Invalid, 1593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1574 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-16 18:29:35,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2023-12-16 18:29:35,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 993. [2023-12-16 18:29:35,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 971 states have (on average 1.3594232749742534) internal successors, (1320), 992 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:35,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1320 transitions. [2023-12-16 18:29:35,555 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1320 transitions. Word has length 97 [2023-12-16 18:29:35,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:29:35,555 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1320 transitions. [2023-12-16 18:29:35,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:35,556 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1320 transitions. [2023-12-16 18:29:35,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-16 18:29:35,560 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:29:35,561 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:29:35,567 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 [2023-12-16 18:29:35,764 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 [2023-12-16 18:29:35,764 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 18:29:35,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:29:35,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1155193037, now seen corresponding path program 1 times [2023-12-16 18:29:35,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:29:35,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1448474851] [2023-12-16 18:29:35,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:29:35,765 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:29:35,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:29:35,767 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) [2023-12-16 18:29:35,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 [2023-12-16 18:29:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:29:36,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:29:36,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:29:36,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:29:36,579 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:29:36,579 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:29:36,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1448474851] [2023-12-16 18:29:36,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1448474851] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:29:36,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:29:36,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:29:36,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310429694] [2023-12-16 18:29:36,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:29:36,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:29:36,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:29:36,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:29:36,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:29:36,580 INFO L87 Difference]: Start difference. First operand 993 states and 1320 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:38,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:29:38,499 INFO L93 Difference]: Finished difference Result 1299 states and 1773 transitions. [2023-12-16 18:29:38,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 18:29:38,501 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2023-12-16 18:29:38,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:29:38,503 INFO L225 Difference]: With dead ends: 1299 [2023-12-16 18:29:38,503 INFO L226 Difference]: Without dead ends: 1141 [2023-12-16 18:29:38,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-16 18:29:38,503 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 2751 mSDsluCounter, 1554 mSDsCounter, 0 mSdLazyCounter, 1563 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2751 SdHoareTripleChecker+Valid, 2132 SdHoareTripleChecker+Invalid, 1574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-16 18:29:38,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2751 Valid, 2132 Invalid, 1574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1563 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-16 18:29:38,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2023-12-16 18:29:38,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 993. [2023-12-16 18:29:38,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 971 states have (on average 1.3583934088568486) internal successors, (1319), 992 states have internal predecessors, (1319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:38,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1319 transitions. [2023-12-16 18:29:38,511 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1319 transitions. Word has length 97 [2023-12-16 18:29:38,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:29:38,511 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1319 transitions. [2023-12-16 18:29:38,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:38,511 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1319 transitions. [2023-12-16 18:29:38,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-16 18:29:38,517 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:29:38,517 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:29:38,523 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 [2023-12-16 18:29:38,721 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 [2023-12-16 18:29:38,722 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 18:29:38,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:29:38,722 INFO L85 PathProgramCache]: Analyzing trace with hash 789636914, now seen corresponding path program 1 times [2023-12-16 18:29:38,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:29:38,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [903389130] [2023-12-16 18:29:38,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:29:38,723 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:29:38,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:29:38,724 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) [2023-12-16 18:29:38,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 [2023-12-16 18:29:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:29:39,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:29:39,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:29:39,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:29:39,556 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:29:39,556 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:29:39,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [903389130] [2023-12-16 18:29:39,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [903389130] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:29:39,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:29:39,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:29:39,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127656102] [2023-12-16 18:29:39,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:29:39,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:29:39,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:29:39,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:29:39,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:29:39,558 INFO L87 Difference]: Start difference. First operand 993 states and 1319 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:41,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:29:41,148 INFO L93 Difference]: Finished difference Result 1433 states and 1945 transitions. [2023-12-16 18:29:41,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 18:29:41,149 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-12-16 18:29:41,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:29:41,151 INFO L225 Difference]: With dead ends: 1433 [2023-12-16 18:29:41,151 INFO L226 Difference]: Without dead ends: 1141 [2023-12-16 18:29:41,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-16 18:29:41,152 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 2331 mSDsluCounter, 1429 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2331 SdHoareTripleChecker+Valid, 1978 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 18:29:41,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2331 Valid, 1978 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1349 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 18:29:41,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2023-12-16 18:29:41,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 993. [2023-12-16 18:29:41,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 971 states have (on average 1.356333676622039) internal successors, (1317), 992 states have internal predecessors, (1317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:41,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1317 transitions. [2023-12-16 18:29:41,159 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1317 transitions. Word has length 98 [2023-12-16 18:29:41,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:29:41,159 INFO L495 AbstractCegarLoop]: Abstraction has 993 states and 1317 transitions. [2023-12-16 18:29:41,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:29:41,159 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1317 transitions. [2023-12-16 18:29:41,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-16 18:29:41,160 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:29:41,160 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:29:41,167 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 [2023-12-16 18:29:41,364 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 [2023-12-16 18:29:41,364 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-16 18:29:41,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:29:41,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1331918194, now seen corresponding path program 1 times [2023-12-16 18:29:41,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:29:41,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1014233204] [2023-12-16 18:29:41,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:29:41,365 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:29:41,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:29:41,366 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) [2023-12-16 18:29:41,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 [2023-12-16 18:29:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:29:41,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:29:41,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-16 18:29:42,091 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 [2023-12-16 18:29:42,093 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (21 of 22 remaining) [2023-12-16 18:29:42,097 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 [2023-12-16 18:29:42,119 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 (25)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 18:29:42,298 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 [2023-12-16 18:29:42,298 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. [2023-12-16 18:29:42,300 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 22 remaining) [2023-12-16 18:29:42,300 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (19 of 22 remaining) [2023-12-16 18:29:42,300 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (18 of 22 remaining) [2023-12-16 18:29:42,300 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (17 of 22 remaining) [2023-12-16 18:29:42,300 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (16 of 22 remaining) [2023-12-16 18:29:42,300 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (15 of 22 remaining) [2023-12-16 18:29:42,300 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (14 of 22 remaining) [2023-12-16 18:29:42,300 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (13 of 22 remaining) [2023-12-16 18:29:42,301 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (12 of 22 remaining) [2023-12-16 18:29:42,301 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (11 of 22 remaining) [2023-12-16 18:29:42,301 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (10 of 22 remaining) [2023-12-16 18:29:42,301 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (9 of 22 remaining) [2023-12-16 18:29:42,301 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (8 of 22 remaining) [2023-12-16 18:29:42,301 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (7 of 22 remaining) [2023-12-16 18:29:42,301 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (6 of 22 remaining) [2023-12-16 18:29:42,301 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (5 of 22 remaining) [2023-12-16 18:29:42,301 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (4 of 22 remaining) [2023-12-16 18:29:42,301 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (3 of 22 remaining) [2023-12-16 18:29:42,301 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (2 of 22 remaining) [2023-12-16 18:29:42,302 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (1 of 22 remaining) [2023-12-16 18:29:42,302 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (0 of 22 remaining) [2023-12-16 18:29:42,304 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] [2023-12-16 18:29:42,308 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 18:29:42,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 06:29:42 BoogieIcfgContainer [2023-12-16 18:29:42,309 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 18:29:42,310 INFO L158 Benchmark]: Toolchain (without parser) took 68582.25ms. Allocated memory was 268.4MB in the beginning and 1.2GB in the end (delta: 909.1MB). Free memory was 206.4MB in the beginning and 502.1MB in the end (delta: -295.7MB). Peak memory consumption was 614.5MB. Max. memory is 8.0GB. [2023-12-16 18:29:42,310 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 223.3MB. Free memory was 169.4MB in the beginning and 169.3MB in the end (delta: 66.8kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 18:29:42,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1809.31ms. Allocated memory is still 268.4MB. Free memory was 206.4MB in the beginning and 148.5MB in the end (delta: 57.9MB). Peak memory consumption was 105.1MB. Max. memory is 8.0GB. [2023-12-16 18:29:42,310 INFO L158 Benchmark]: Boogie Procedure Inliner took 165.56ms. Allocated memory is still 268.4MB. Free memory was 148.5MB in the beginning and 111.3MB in the end (delta: 37.2MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2023-12-16 18:29:42,310 INFO L158 Benchmark]: Boogie Preprocessor took 358.34ms. Allocated memory was 268.4MB in the beginning and 367.0MB in the end (delta: 98.6MB). Free memory was 111.3MB in the beginning and 269.3MB in the end (delta: -158.0MB). Peak memory consumption was 52.2MB. Max. memory is 8.0GB. [2023-12-16 18:29:42,311 INFO L158 Benchmark]: RCFGBuilder took 5391.68ms. Allocated memory was 367.0MB in the beginning and 720.4MB in the end (delta: 353.4MB). Free memory was 269.3MB in the beginning and 283.4MB in the end (delta: -14.2MB). Peak memory consumption was 342.4MB. Max. memory is 8.0GB. [2023-12-16 18:29:42,311 INFO L158 Benchmark]: TraceAbstraction took 60852.75ms. Allocated memory was 720.4MB in the beginning and 1.2GB in the end (delta: 457.2MB). Free memory was 282.4MB in the beginning and 502.1MB in the end (delta: -219.7MB). Peak memory consumption was 237.5MB. Max. memory is 8.0GB. [2023-12-16 18:29:42,312 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 223.3MB. Free memory was 169.4MB in the beginning and 169.3MB in the end (delta: 66.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1809.31ms. Allocated memory is still 268.4MB. Free memory was 206.4MB in the beginning and 148.5MB in the end (delta: 57.9MB). Peak memory consumption was 105.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 165.56ms. Allocated memory is still 268.4MB. Free memory was 148.5MB in the beginning and 111.3MB in the end (delta: 37.2MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 358.34ms. Allocated memory was 268.4MB in the beginning and 367.0MB in the end (delta: 98.6MB). Free memory was 111.3MB in the beginning and 269.3MB in the end (delta: -158.0MB). Peak memory consumption was 52.2MB. Max. memory is 8.0GB. * RCFGBuilder took 5391.68ms. Allocated memory was 367.0MB in the beginning and 720.4MB in the end (delta: 353.4MB). Free memory was 269.3MB in the beginning and 283.4MB in the end (delta: -14.2MB). Peak memory consumption was 342.4MB. Max. memory is 8.0GB. * TraceAbstraction took 60852.75ms. Allocated memory was 720.4MB in the beginning and 1.2GB in the end (delta: 457.2MB). Free memory was 282.4MB in the beginning and 502.1MB in the end (delta: -219.7MB). Peak memory consumption was 237.5MB. 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: 15431]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 15431). Cancelled while NwaCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 5699]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 5699). Cancelled while NwaCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 8324]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 8324). Cancelled while NwaCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 9626]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 9626). Cancelled while NwaCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 10272]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 10272). Cancelled while NwaCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 10592]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 10592). Cancelled while NwaCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 10898]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 10898). Cancelled while NwaCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 13493]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 13493). Cancelled while NwaCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 14784]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 14784). Cancelled while NwaCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 15752]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 15752). Cancelled while NwaCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 16059]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 16059). Cancelled while NwaCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 17427]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 17427). Cancelled while NwaCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 18074]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 18074). Cancelled while NwaCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 18395]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 18395). Cancelled while NwaCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 18702]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 18702). Cancelled while NwaCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 19059]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19059). Cancelled while NwaCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 19376]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19376). Cancelled while NwaCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 19697]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19697). Cancelled while NwaCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 20004]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 20004). Cancelled while NwaCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 20335]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 20335). Cancelled while NwaCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 20647]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 20647). Cancelled while NwaCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 20963]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 20963). Cancelled while NwaCegarLoop was analyzing trace of length 99 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2539 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 60.8s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 37.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 73003 SdHoareTripleChecker+Valid, 34.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 73003 mSDsluCounter, 41062 SdHoareTripleChecker+Invalid, 30.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26194 mSDsCounter, 289 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31334 IncrementalHoareTripleChecker+Invalid, 31623 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 289 mSolverCounterUnsat, 14868 mSDtfsCounter, 31334 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2263 GetRequests, 2018 SyntacticMatches, 0 SemanticMatches, 245 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2754occurred in iteration=1, InterpolantAutomatonStates: 187, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 23 MinimizatonAttempts, 2734 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.3s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 2160 NumberOfCodeBlocks, 2160 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 2137 ConstructedInterpolants, 1381 QuantifiedInterpolants, 28122 SizeOfPredicates, 103 NumberOfNonLiveVariables, 12592 ConjunctsInSsa, 159 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 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