/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:18:36,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:18:36,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:18:36,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 22:18:36,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:18:36,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:18:36,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:18:36,657 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:18:36,687 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:18:36,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:18:36,688 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:18:36,689 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:18:36,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:18:36,690 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:18:36,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:18:36,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:18:36,691 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:18:36,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:18:36,692 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:18:36,692 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:18:36,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:18:36,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:18:36,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:18:36,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:18:36,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:18:36,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:18:36,694 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:18:36,694 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:18:36,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:18:36,695 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:18:36,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:18:36,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:18:36,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:18:36,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:18:36,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:18:36,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:18:36,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:18:36,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:18:36,697 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:18:36,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:18:36,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:18:36,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:18:37,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:18:37,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:18:37,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:18:37,150 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:18:37,151 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:18:37,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-15 22:18:37,231 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e25f63a82/3a0636546047433e86648ae309c06b9b/FLAG4c81c7eb0 [2022-10-15 22:18:38,370 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:18:38,371 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-15 22:18:38,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e25f63a82/3a0636546047433e86648ae309c06b9b/FLAG4c81c7eb0 [2022-10-15 22:18:38,794 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e25f63a82/3a0636546047433e86648ae309c06b9b [2022-10-15 22:18:38,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:18:38,807 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:18:38,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:18:38,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:18:38,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:18:38,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:18:38" (1/1) ... [2022-10-15 22:18:38,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b62deed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:38, skipping insertion in model container [2022-10-15 22:18:38,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:18:38" (1/1) ... [2022-10-15 22:18:38,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:18:39,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:18:39,997 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[69564,69577] [2022-10-15 22:18:40,149 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[101232,101245] [2022-10-15 22:18:40,207 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[117050,117063] [2022-10-15 22:18:40,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[124955,124968] [2022-10-15 22:18:40,256 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[128881,128894] [2022-10-15 22:18:40,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132623,132636] [2022-10-15 22:18:40,429 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[163781,163794] [2022-10-15 22:18:40,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[179384,179397] [2022-10-15 22:18:40,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[187284,187297] [2022-10-15 22:18:40,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[191205,191218] [2022-10-15 22:18:40,602 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[194942,194955] [2022-10-15 22:18:40,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[211727,211740] [2022-10-15 22:18:40,693 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[219627,219640] [2022-10-15 22:18:40,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[223548,223561] [2022-10-15 22:18:40,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[227285,227298] [2022-10-15 22:18:40,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[231785,231798] [2022-10-15 22:18:40,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[235573,235586] [2022-10-15 22:18:40,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[239494,239507] [2022-10-15 22:18:40,809 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[243231,243244] [2022-10-15 22:18:40,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[247352,247365] [2022-10-15 22:18:40,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[251105,251118] [2022-10-15 22:18:40,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[255022,255035] [2022-10-15 22:18:40,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:18:40,936 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:18:41,258 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[69564,69577] [2022-10-15 22:18:41,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[101232,101245] [2022-10-15 22:18:41,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[117050,117063] [2022-10-15 22:18:41,430 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[124955,124968] [2022-10-15 22:18:41,444 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[128881,128894] [2022-10-15 22:18:41,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132623,132636] [2022-10-15 22:18:41,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[163781,163794] [2022-10-15 22:18:41,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[179384,179397] [2022-10-15 22:18:41,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[187284,187297] [2022-10-15 22:18:41,658 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[191205,191218] [2022-10-15 22:18:41,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[194942,194955] [2022-10-15 22:18:41,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[211727,211740] [2022-10-15 22:18:41,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[219627,219640] [2022-10-15 22:18:41,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[223548,223561] [2022-10-15 22:18:41,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[227285,227298] [2022-10-15 22:18:41,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[231785,231798] [2022-10-15 22:18:41,804 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[235573,235586] [2022-10-15 22:18:41,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[239494,239507] [2022-10-15 22:18:41,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[243231,243244] [2022-10-15 22:18:41,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[247352,247365] [2022-10-15 22:18:41,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[251105,251118] [2022-10-15 22:18:41,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[255022,255035] [2022-10-15 22:18:41,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:18:41,945 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:18:41,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:41 WrapperNode [2022-10-15 22:18:41,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:18:41,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:18:41,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:18:41,947 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:18:41,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:41" (1/1) ... [2022-10-15 22:18:42,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:41" (1/1) ... [2022-10-15 22:18:42,309 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13418 [2022-10-15 22:18:42,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:18:42,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:18:42,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:18:42,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:18:42,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:41" (1/1) ... [2022-10-15 22:18:42,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:41" (1/1) ... [2022-10-15 22:18:42,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:41" (1/1) ... [2022-10-15 22:18:42,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:41" (1/1) ... [2022-10-15 22:18:42,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:41" (1/1) ... [2022-10-15 22:18:42,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:41" (1/1) ... [2022-10-15 22:18:42,670 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:41" (1/1) ... [2022-10-15 22:18:42,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:41" (1/1) ... [2022-10-15 22:18:42,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:18:42,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:18:42,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:18:42,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:18:42,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:41" (1/1) ... [2022-10-15 22:18:42,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:18:42,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:18:42,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 22:18:42,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 22:18:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:18:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:18:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:18:42,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:18:43,331 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:18:43,334 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:18:50,750 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:18:50,813 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:18:50,813 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:18:50,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:18:50 BoogieIcfgContainer [2022-10-15 22:18:50,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:18:50,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:18:50,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:18:50,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:18:50,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:18:38" (1/3) ... [2022-10-15 22:18:50,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8282d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:18:50, skipping insertion in model container [2022-10-15 22:18:50,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:18:41" (2/3) ... [2022-10-15 22:18:50,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8282d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:18:50, skipping insertion in model container [2022-10-15 22:18:50,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:18:50" (3/3) ... [2022-10-15 22:18:50,833 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-15 22:18:50,855 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:18:50,856 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1930 error locations. [2022-10-15 22:18:51,097 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:18:51,107 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@5c757d96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:18:51,107 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1930 error locations. [2022-10-15 22:18:51,131 INFO L276 IsEmpty]: Start isEmpty. Operand has 6163 states, 4232 states have (on average 1.9021739130434783) internal successors, (8050), 6162 states have internal predecessors, (8050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:51,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 22:18:51,145 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:51,146 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:51,147 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1886ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-15 22:18:51,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:51,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1267604414, now seen corresponding path program 1 times [2022-10-15 22:18:51,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:51,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310518093] [2022-10-15 22:18:51,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:51,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:51,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:51,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:51,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310518093] [2022-10-15 22:18:51,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310518093] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:51,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:51,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:18:51,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137020248] [2022-10-15 22:18:51,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:51,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:18:51,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:51,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:18:51,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:18:51,967 INFO L87 Difference]: Start difference. First operand has 6163 states, 4232 states have (on average 1.9021739130434783) internal successors, (8050), 6162 states have internal predecessors, (8050), 0 states have call successors, (0), 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 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:56,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:56,586 INFO L93 Difference]: Finished difference Result 6435 states and 8412 transitions. [2022-10-15 22:18:56,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:18:56,589 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-10-15 22:18:56,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:56,641 INFO L225 Difference]: With dead ends: 6435 [2022-10-15 22:18:56,641 INFO L226 Difference]: Without dead ends: 6120 [2022-10-15 22:18:56,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:56,654 INFO L413 NwaCegarLoop]: 4325 mSDtfsCounter, 11719 mSDsluCounter, 3025 mSDsCounter, 0 mSdLazyCounter, 4718 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11719 SdHoareTripleChecker+Valid, 7350 SdHoareTripleChecker+Invalid, 4905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 4718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:56,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11719 Valid, 7350 Invalid, 4905 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [187 Valid, 4718 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-10-15 22:18:56,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6120 states. [2022-10-15 22:18:56,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6120 to 5963. [2022-10-15 22:18:56,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5963 states, 4311 states have (on average 1.5546276965901182) internal successors, (6702), 5962 states have internal predecessors, (6702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:56,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5963 states to 5963 states and 6702 transitions. [2022-10-15 22:18:56,902 INFO L78 Accepts]: Start accepts. Automaton has 5963 states and 6702 transitions. Word has length 56 [2022-10-15 22:18:56,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:56,903 INFO L495 AbstractCegarLoop]: Abstraction has 5963 states and 6702 transitions. [2022-10-15 22:18:56,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:56,903 INFO L276 IsEmpty]: Start isEmpty. Operand 5963 states and 6702 transitions. [2022-10-15 22:18:56,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 22:18:56,907 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:56,907 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:56,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:18:56,908 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1887ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-15 22:18:56,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:56,909 INFO L85 PathProgramCache]: Analyzing trace with hash 641044991, now seen corresponding path program 1 times [2022-10-15 22:18:56,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:56,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664212641] [2022-10-15 22:18:56,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:56,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:57,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:57,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:57,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664212641] [2022-10-15 22:18:57,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664212641] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:57,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:57,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:18:57,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270769903] [2022-10-15 22:18:57,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:57,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:18:57,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:57,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:18:57,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:18:57,189 INFO L87 Difference]: Start difference. First operand 5963 states and 6702 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:00,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:19:00,971 INFO L93 Difference]: Finished difference Result 6093 states and 6877 transitions. [2022-10-15 22:19:00,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:19:00,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-10-15 22:19:00,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:19:01,004 INFO L225 Difference]: With dead ends: 6093 [2022-10-15 22:19:01,005 INFO L226 Difference]: Without dead ends: 5925 [2022-10-15 22:19:01,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:19:01,017 INFO L413 NwaCegarLoop]: 2918 mSDtfsCounter, 11968 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 3785 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11968 SdHoareTripleChecker+Valid, 3548 SdHoareTripleChecker+Invalid, 4037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 3785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:19:01,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11968 Valid, 3548 Invalid, 4037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 3785 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-10-15 22:19:01,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5925 states. [2022-10-15 22:19:01,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5925 to 5901. [2022-10-15 22:19:01,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5901 states, 4414 states have (on average 1.5192569098323516) internal successors, (6706), 5900 states have internal predecessors, (6706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:01,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5901 states to 5901 states and 6706 transitions. [2022-10-15 22:19:01,230 INFO L78 Accepts]: Start accepts. Automaton has 5901 states and 6706 transitions. Word has length 57 [2022-10-15 22:19:01,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:19:01,231 INFO L495 AbstractCegarLoop]: Abstraction has 5901 states and 6706 transitions. [2022-10-15 22:19:01,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:01,231 INFO L276 IsEmpty]: Start isEmpty. Operand 5901 states and 6706 transitions. [2022-10-15 22:19:01,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:19:01,234 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:19:01,234 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:19:01,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:19:01,235 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1888ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-15 22:19:01,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:19:01,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1602427936, now seen corresponding path program 1 times [2022-10-15 22:19:01,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:19:01,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639287327] [2022-10-15 22:19:01,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:19:01,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:19:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:19:01,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:19:01,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:19:01,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639287327] [2022-10-15 22:19:01,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639287327] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:19:01,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:19:01,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:19:01,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781582739] [2022-10-15 22:19:01,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:19:01,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:19:01,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:19:01,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:19:01,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:19:01,433 INFO L87 Difference]: Start difference. First operand 5901 states and 6706 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:05,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:19:05,873 INFO L93 Difference]: Finished difference Result 6179 states and 7047 transitions. [2022-10-15 22:19:05,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:19:05,874 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-15 22:19:05,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:19:05,903 INFO L225 Difference]: With dead ends: 6179 [2022-10-15 22:19:05,903 INFO L226 Difference]: Without dead ends: 6036 [2022-10-15 22:19:05,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:19:05,908 INFO L413 NwaCegarLoop]: 3386 mSDtfsCounter, 13390 mSDsluCounter, 3879 mSDsCounter, 0 mSdLazyCounter, 5138 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13390 SdHoareTripleChecker+Valid, 7265 SdHoareTripleChecker+Invalid, 5341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 5138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:19:05,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13390 Valid, 7265 Invalid, 5341 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [203 Valid, 5138 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-10-15 22:19:05,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6036 states. [2022-10-15 22:19:06,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6036 to 5864. [2022-10-15 22:19:06,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5864 states, 4517 states have (on average 1.4903697144122205) internal successors, (6732), 5863 states have internal predecessors, (6732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:06,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5864 states to 5864 states and 6732 transitions. [2022-10-15 22:19:06,089 INFO L78 Accepts]: Start accepts. Automaton has 5864 states and 6732 transitions. Word has length 58 [2022-10-15 22:19:06,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:19:06,089 INFO L495 AbstractCegarLoop]: Abstraction has 5864 states and 6732 transitions. [2022-10-15 22:19:06,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:06,090 INFO L276 IsEmpty]: Start isEmpty. Operand 5864 states and 6732 transitions. [2022-10-15 22:19:06,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 22:19:06,092 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:19:06,092 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:19:06,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:19:06,093 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1889ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-15 22:19:06,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:19:06,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1864355361, now seen corresponding path program 1 times [2022-10-15 22:19:06,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:19:06,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28040562] [2022-10-15 22:19:06,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:19:06,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:19:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:19:06,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:19:06,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:19:06,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28040562] [2022-10-15 22:19:06,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28040562] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:19:06,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:19:06,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:19:06,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103763770] [2022-10-15 22:19:06,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:19:06,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:19:06,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:19:06,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:19:06,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:19:06,262 INFO L87 Difference]: Start difference. First operand 5864 states and 6732 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:10,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:19:10,593 INFO L93 Difference]: Finished difference Result 6015 states and 6904 transitions. [2022-10-15 22:19:10,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:19:10,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-15 22:19:10,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:19:10,614 INFO L225 Difference]: With dead ends: 6015 [2022-10-15 22:19:10,614 INFO L226 Difference]: Without dead ends: 5859 [2022-10-15 22:19:10,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:19:10,618 INFO L413 NwaCegarLoop]: 2918 mSDtfsCounter, 16157 mSDsluCounter, 1775 mSDsCounter, 0 mSdLazyCounter, 4089 mSolverCounterSat, 297 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16157 SdHoareTripleChecker+Valid, 4693 SdHoareTripleChecker+Invalid, 4386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 297 IncrementalHoareTripleChecker+Valid, 4089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:19:10,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16157 Valid, 4693 Invalid, 4386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [297 Valid, 4089 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-10-15 22:19:10,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5859 states. [2022-10-15 22:19:10,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5859 to 5814. [2022-10-15 22:19:10,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5814 states, 4620 states have (on average 1.4593073593073593) internal successors, (6742), 5813 states have internal predecessors, (6742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:10,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5814 states to 5814 states and 6742 transitions. [2022-10-15 22:19:10,831 INFO L78 Accepts]: Start accepts. Automaton has 5814 states and 6742 transitions. Word has length 59 [2022-10-15 22:19:10,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:19:10,832 INFO L495 AbstractCegarLoop]: Abstraction has 5814 states and 6742 transitions. [2022-10-15 22:19:10,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:10,833 INFO L276 IsEmpty]: Start isEmpty. Operand 5814 states and 6742 transitions. [2022-10-15 22:19:10,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:19:10,836 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:19:10,836 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:19:10,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:19:10,837 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1890ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-15 22:19:10,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:19:10,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1960455170, now seen corresponding path program 1 times [2022-10-15 22:19:10,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:19:10,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918075260] [2022-10-15 22:19:10,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:19:10,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:19:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:19:11,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:19:11,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:19:11,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918075260] [2022-10-15 22:19:11,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918075260] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:19:11,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:19:11,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:19:11,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200098788] [2022-10-15 22:19:11,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:19:11,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:19:11,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:19:11,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:19:11,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:19:11,057 INFO L87 Difference]: Start difference. First operand 5814 states and 6742 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:16,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:19:16,070 INFO L93 Difference]: Finished difference Result 6204 states and 7246 transitions. [2022-10-15 22:19:16,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 22:19:16,071 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-15 22:19:16,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:19:16,095 INFO L225 Difference]: With dead ends: 6204 [2022-10-15 22:19:16,095 INFO L226 Difference]: Without dead ends: 6066 [2022-10-15 22:19:16,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 22:19:16,099 INFO L413 NwaCegarLoop]: 3390 mSDtfsCounter, 16317 mSDsluCounter, 5460 mSDsCounter, 0 mSdLazyCounter, 5909 mSolverCounterSat, 231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16317 SdHoareTripleChecker+Valid, 8850 SdHoareTripleChecker+Invalid, 6140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 5909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:19:16,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16317 Valid, 8850 Invalid, 6140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 5909 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-10-15 22:19:16,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6066 states. [2022-10-15 22:19:16,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6066 to 5782. [2022-10-15 22:19:16,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5782 states, 4723 states have (on average 1.4327757781071353) internal successors, (6767), 5781 states have internal predecessors, (6767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:16,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5782 states to 5782 states and 6767 transitions. [2022-10-15 22:19:16,296 INFO L78 Accepts]: Start accepts. Automaton has 5782 states and 6767 transitions. Word has length 60 [2022-10-15 22:19:16,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:19:16,298 INFO L495 AbstractCegarLoop]: Abstraction has 5782 states and 6767 transitions. [2022-10-15 22:19:16,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:16,299 INFO L276 IsEmpty]: Start isEmpty. Operand 5782 states and 6767 transitions. [2022-10-15 22:19:16,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:19:16,300 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:19:16,300 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:19:16,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:19:16,301 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1891ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-15 22:19:16,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:19:16,301 INFO L85 PathProgramCache]: Analyzing trace with hash 644581955, now seen corresponding path program 1 times [2022-10-15 22:19:16,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:19:16,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128131069] [2022-10-15 22:19:16,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:19:16,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:19:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:19:16,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:19:16,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:19:16,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128131069] [2022-10-15 22:19:16,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128131069] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:19:16,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:19:16,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:19:16,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086036878] [2022-10-15 22:19:16,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:19:16,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:19:16,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:19:16,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:19:16,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:19:16,511 INFO L87 Difference]: Start difference. First operand 5782 states and 6767 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:21,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:19:21,113 INFO L93 Difference]: Finished difference Result 6054 states and 7102 transitions. [2022-10-15 22:19:21,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:19:21,118 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-15 22:19:21,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:19:21,145 INFO L225 Difference]: With dead ends: 6054 [2022-10-15 22:19:21,145 INFO L226 Difference]: Without dead ends: 5907 [2022-10-15 22:19:21,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 22:19:21,152 INFO L413 NwaCegarLoop]: 3018 mSDtfsCounter, 19337 mSDsluCounter, 3064 mSDsCounter, 0 mSdLazyCounter, 4609 mSolverCounterSat, 348 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19337 SdHoareTripleChecker+Valid, 6082 SdHoareTripleChecker+Invalid, 4957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 348 IncrementalHoareTripleChecker+Valid, 4609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:19:21,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19337 Valid, 6082 Invalid, 4957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [348 Valid, 4609 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-10-15 22:19:21,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5907 states. [2022-10-15 22:19:21,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5907 to 5844. [2022-10-15 22:19:21,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5844 states, 4929 states have (on average 1.4092107932643538) internal successors, (6946), 5843 states have internal predecessors, (6946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:21,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5844 states to 5844 states and 6946 transitions. [2022-10-15 22:19:21,394 INFO L78 Accepts]: Start accepts. Automaton has 5844 states and 6946 transitions. Word has length 61 [2022-10-15 22:19:21,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:19:21,395 INFO L495 AbstractCegarLoop]: Abstraction has 5844 states and 6946 transitions. [2022-10-15 22:19:21,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:21,396 INFO L276 IsEmpty]: Start isEmpty. Operand 5844 states and 6946 transitions. [2022-10-15 22:19:21,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 22:19:21,398 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:19:21,398 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:19:21,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:19:21,399 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1892ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-15 22:19:21,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:19:21,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1492782044, now seen corresponding path program 1 times [2022-10-15 22:19:21,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:19:21,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34533987] [2022-10-15 22:19:21,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:19:21,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:19:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:19:21,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:19:21,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:19:21,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34533987] [2022-10-15 22:19:21,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34533987] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:19:21,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:19:21,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:19:21,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008682307] [2022-10-15 22:19:21,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:19:21,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:19:21,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:19:21,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:19:21,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:19:21,628 INFO L87 Difference]: Start difference. First operand 5844 states and 6946 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:26,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:19:26,947 INFO L93 Difference]: Finished difference Result 6340 states and 7610 transitions. [2022-10-15 22:19:26,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-15 22:19:26,947 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-15 22:19:26,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:19:26,961 INFO L225 Difference]: With dead ends: 6340 [2022-10-15 22:19:26,962 INFO L226 Difference]: Without dead ends: 6205 [2022-10-15 22:19:26,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-15 22:19:26,966 INFO L413 NwaCegarLoop]: 3499 mSDtfsCounter, 18505 mSDsluCounter, 7027 mSDsCounter, 0 mSdLazyCounter, 6815 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18505 SdHoareTripleChecker+Valid, 10526 SdHoareTripleChecker+Invalid, 7086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 6815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-10-15 22:19:26,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18505 Valid, 10526 Invalid, 7086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 6815 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-10-15 22:19:26,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6205 states. [2022-10-15 22:19:27,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6205 to 5815. [2022-10-15 22:19:27,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5815 states, 5032 states have (on average 1.3847376788553258) internal successors, (6968), 5814 states have internal predecessors, (6968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:27,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5815 states to 5815 states and 6968 transitions. [2022-10-15 22:19:27,238 INFO L78 Accepts]: Start accepts. Automaton has 5815 states and 6968 transitions. Word has length 62 [2022-10-15 22:19:27,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:19:27,238 INFO L495 AbstractCegarLoop]: Abstraction has 5815 states and 6968 transitions. [2022-10-15 22:19:27,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:19:27,239 INFO L276 IsEmpty]: Start isEmpty. Operand 5815 states and 6968 transitions. [2022-10-15 22:19:27,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 22:19:27,241 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:19:27,241 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:19:27,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:19:27,245 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1893ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1927 more)] === [2022-10-15 22:19:27,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:19:27,247 INFO L85 PathProgramCache]: Analyzing trace with hash 968410725, now seen corresponding path program 1 times [2022-10-15 22:19:27,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:19:27,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40081063] [2022-10-15 22:19:27,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:19:27,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:19:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:19:27,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:19:27,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:19:27,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40081063] [2022-10-15 22:19:27,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40081063] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:19:27,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:19:27,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:19:27,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427947415] [2022-10-15 22:19:27,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:19:27,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:19:27,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:19:27,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:19:27,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:19:27,453 INFO L87 Difference]: Start difference. First operand 5815 states and 6968 transitions. Second operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)