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/Problem07_label08_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ec392ea [2018-07-08 12:38:57,489 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-08 12:38:57,490 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-08 12:38:57,515 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-08 12:38:57,515 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-08 12:38:57,516 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-08 12:38:57,517 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-08 12:38:57,520 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-08 12:38:57,521 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-08 12:38:57,522 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-08 12:38:57,522 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-08 12:38:57,523 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-08 12:38:57,531 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-08 12:38:57,532 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-08 12:38:57,533 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-08 12:38:57,533 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-08 12:38:57,534 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-08 12:38:57,537 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-08 12:38:57,538 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-08 12:38:57,539 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-08 12:38:57,540 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-08 12:38:57,556 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-08 12:38:57,557 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-08 12:38:57,572 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 12:38:57,602 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-08 12:38:57,603 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-08 12:38:57,603 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-08 12:38:57,603 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-07-08 12:38:57,604 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-08 12:38:57,604 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-08 12:38:57,604 INFO L133 SettingsManager]: * Use SBE=true [2018-07-08 12:38:57,604 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-08 12:38:57,604 INFO L133 SettingsManager]: * sizeof long=4 [2018-07-08 12:38:57,604 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-08 12:38:57,605 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-07-08 12:38:57,607 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-08 12:38:57,607 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-08 12:38:57,607 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-08 12:38:57,607 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-08 12:38:57,608 INFO L133 SettingsManager]: * sizeof long double=12 [2018-07-08 12:38:57,608 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-08 12:38:57,608 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-08 12:38:57,608 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-08 12:38:57,608 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-08 12:38:57,608 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-08 12:38:57,608 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-08 12:38:57,608 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-08 12:38:57,609 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-08 12:38:57,609 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-08 12:38:57,609 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-08 12:38:57,609 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-08 12:38:57,609 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-08 12:38:57,609 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-08 12:38:57,609 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-08 12:38:57,609 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-08 12:38:57,674 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-08 12:38:57,690 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-08 12:38:57,701 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-08 12:38:57,702 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-08 12:38:57,703 INFO L276 PluginConnector]: CDTParser initialized [2018-07-08 12:38:57,703 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label08_true-unreach-call.c [2018-07-08 12:38:58,233 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/a54a328c9/c462bc94b2c048658c6964b126dd5515/FLAG5bbd09931 [2018-07-08 12:39:01,051 INFO L276 CDTParser]: Found 1 translation units. [2018-07-08 12:39:01,053 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label08_true-unreach-call.c [2018-07-08 12:39:01,228 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/a54a328c9/c462bc94b2c048658c6964b126dd5515/FLAG5bbd09931 [2018-07-08 12:39:01,337 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/a54a328c9/c462bc94b2c048658c6964b126dd5515 [2018-07-08 12:39:01,347 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-08 12:39:01,365 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-07-08 12:39:01,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-08 12:39:01,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-08 12:39:01,380 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-08 12:39:01,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:39:01" (1/1) ... [2018-07-08 12:39:01,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e078b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:39:01, skipping insertion in model container [2018-07-08 12:39:01,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:39:01" (1/1) ... [2018-07-08 12:39:03,374 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown