java -Xss4m -Xmx2000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/C-BPP.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem08_label22_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ec392ea [2018-07-08 12:41:42,542 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-08 12:41:42,550 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-08 12:41:42,584 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-08 12:41:42,586 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-08 12:41:42,587 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-08 12:41:42,588 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-08 12:41:42,601 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-08 12:41:42,607 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-08 12:41:42,608 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-08 12:41:42,609 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-08 12:41:42,610 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-08 12:41:42,622 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-08 12:41:42,623 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-08 12:41:42,624 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-08 12:41:42,625 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-08 12:41:42,628 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-08 12:41:42,630 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-08 12:41:42,645 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-08 12:41:42,647 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-08 12:41:42,648 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-08 12:41:42,659 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-08 12:41:42,661 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-08 12:41:42,690 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-07-08 12:41:42,730 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-08 12:41:42,730 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-08 12:41:42,731 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-08 12:41:42,731 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-07-08 12:41:42,736 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-08 12:41:42,736 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-08 12:41:42,736 INFO L133 SettingsManager]: * Use SBE=true [2018-07-08 12:41:42,737 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-08 12:41:42,737 INFO L133 SettingsManager]: * sizeof long=4 [2018-07-08 12:41:42,737 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-08 12:41:42,737 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-07-08 12:41:42,737 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-08 12:41:42,738 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-08 12:41:42,738 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-08 12:41:42,738 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-08 12:41:42,738 INFO L133 SettingsManager]: * sizeof long double=12 [2018-07-08 12:41:42,738 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-08 12:41:42,738 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-08 12:41:42,747 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-08 12:41:42,747 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-08 12:41:42,747 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-08 12:41:42,748 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-08 12:41:42,748 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-08 12:41:42,748 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-08 12:41:42,748 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-08 12:41:42,748 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-08 12:41:42,749 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-08 12:41:42,749 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-08 12:41:42,749 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-08 12:41:42,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-08 12:41:42,749 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-08 12:41:42,842 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-08 12:41:42,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-08 12:41:42,885 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-08 12:41:42,887 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-08 12:41:42,887 INFO L276 PluginConnector]: CDTParser initialized [2018-07-08 12:41:42,888 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem08_label22_true-unreach-call.c [2018-07-08 12:41:43,480 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/67de9c68a/79cb7a44ddf743eb81a65a84052cab6a/FLAG866172668 [2018-07-08 12:41:49,176 INFO L276 CDTParser]: Found 1 translation units. [2018-07-08 12:41:49,178 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem08_label22_true-unreach-call.c [2018-07-08 12:41:49,669 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/67de9c68a/79cb7a44ddf743eb81a65a84052cab6a/FLAG866172668 [2018-07-08 12:41:49,721 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/67de9c68a/79cb7a44ddf743eb81a65a84052cab6a [2018-07-08 12:41:49,733 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-08 12:41:49,741 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-07-08 12:41:49,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-08 12:41:49,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-08 12:41:49,754 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-08 12:41:49,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:41:49" (1/1) ... [2018-07-08 12:41:49,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@465a94b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:41:49, skipping insertion in model container [2018-07-08 12:41:49,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:41:49" (1/1) ... [2018-07-08 12:41:53,980 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown