/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-lit/sssc12.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 00:20:55,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 00:20:55,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 00:20:55,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 00:20:55,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 00:20:55,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 00:20:55,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 00:20:55,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 00:20:55,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 00:20:55,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 00:20:55,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 00:20:55,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 00:20:55,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 00:20:55,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 00:20:55,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 00:20:55,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 00:20:55,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 00:20:55,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 00:20:55,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 00:20:55,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 00:20:55,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 00:20:55,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 00:20:55,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 00:20:55,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 00:20:55,513 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 00:20:55,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 00:20:55,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 00:20:55,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 00:20:55,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 00:20:55,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 00:20:55,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 00:20:55,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 00:20:55,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 00:20:55,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 00:20:55,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 00:20:55,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 00:20:55,525 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-27 00:20:55,559 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 00:20:55,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 00:20:55,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 00:20:55,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 00:20:55,561 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 00:20:55,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 00:20:55,562 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 00:20:55,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 00:20:55,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 00:20:55,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 00:20:55,562 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 00:20:55,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 00:20:55,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 00:20:55,563 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 00:20:55,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 00:20:55,563 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 00:20:55,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 00:20:55,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 00:20:55,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 00:20:55,566 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 00:20:55,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 00:20:55,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 00:20:55,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 00:20:55,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 00:20:55,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 00:20:55,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 00:20:55,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 00:20:55,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 00:20:55,568 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-27 00:20:55,568 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 00:20:55,836 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 00:20:55,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 00:20:55,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 00:20:55,853 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 00:20:55,853 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 00:20:55,854 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/sssc12.i [2019-12-27 00:20:55,913 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3595238b6/29771c6a8dfe4a4b8086e61dafbadaa0/FLAG0ca55a9fe [2019-12-27 00:20:56,541 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 00:20:56,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12.i [2019-12-27 00:20:56,562 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3595238b6/29771c6a8dfe4a4b8086e61dafbadaa0/FLAG0ca55a9fe [2019-12-27 00:20:56,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3595238b6/29771c6a8dfe4a4b8086e61dafbadaa0 [2019-12-27 00:20:56,792 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 00:20:56,794 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 00:20:56,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 00:20:56,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 00:20:56,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 00:20:56,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 12:20:56" (1/1) ... [2019-12-27 00:20:56,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e265609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:20:56, skipping insertion in model container [2019-12-27 00:20:56,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 12:20:56" (1/1) ... [2019-12-27 00:20:56,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 00:20:56,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 00:20:57,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 00:20:57,524 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 00:20:57,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 00:20:57,714 INFO L208 MainTranslator]: Completed translation [2019-12-27 00:20:57,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:20:57 WrapperNode [2019-12-27 00:20:57,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 00:20:57,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 00:20:57,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 00:20:57,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 00:20:57,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:20:57" (1/1) ... [2019-12-27 00:20:57,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:20:57" (1/1) ... [2019-12-27 00:20:57,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 00:20:57,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 00:20:57,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 00:20:57,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 00:20:57,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:20:57" (1/1) ... [2019-12-27 00:20:57,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:20:57" (1/1) ... [2019-12-27 00:20:57,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:20:57" (1/1) ... [2019-12-27 00:20:57,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:20:57" (1/1) ... [2019-12-27 00:20:57,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:20:57" (1/1) ... [2019-12-27 00:20:57,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:20:57" (1/1) ... [2019-12-27 00:20:57,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:20:57" (1/1) ... [2019-12-27 00:20:57,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 00:20:57,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 00:20:57,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 00:20:57,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 00:20:57,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:20:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 00:20:57,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 00:20:57,931 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2019-12-27 00:20:57,931 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2019-12-27 00:20:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 00:20:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 00:20:57,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 00:20:57,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 00:20:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-27 00:20:57,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 00:20:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 00:20:57,936 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 00:20:58,334 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 00:20:58,334 INFO L287 CfgBuilder]: Removed 12 assume(true) statements. [2019-12-27 00:20:58,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 12:20:58 BoogieIcfgContainer [2019-12-27 00:20:58,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 00:20:58,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 00:20:58,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 00:20:58,341 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 00:20:58,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 12:20:56" (1/3) ... [2019-12-27 00:20:58,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b9147ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 12:20:58, skipping insertion in model container [2019-12-27 00:20:58,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:20:57" (2/3) ... [2019-12-27 00:20:58,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b9147ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 12:20:58, skipping insertion in model container [2019-12-27 00:20:58,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 12:20:58" (3/3) ... [2019-12-27 00:20:58,347 INFO L109 eAbstractionObserver]: Analyzing ICFG sssc12.i [2019-12-27 00:20:58,357 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 00:20:58,357 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 00:20:58,364 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 00:20:58,364 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 00:20:58,392 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,392 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,392 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,393 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,393 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,393 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,394 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,394 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,395 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,396 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,396 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,396 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,397 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,397 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,397 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,397 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,398 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,398 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,398 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,398 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,399 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,399 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,399 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,399 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,400 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,400 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,401 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,404 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,405 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,405 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,405 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,406 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,406 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,406 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,406 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:20:58,424 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 00:20:58,444 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 00:20:58,444 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 00:20:58,444 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 00:20:58,445 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 00:20:58,445 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 00:20:58,445 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 00:20:58,445 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 00:20:58,445 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 00:20:58,459 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 55 transitions [2019-12-27 00:20:58,461 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 53 places, 55 transitions [2019-12-27 00:20:58,507 INFO L132 PetriNetUnfolder]: 6/64 cut-off events. [2019-12-27 00:20:58,507 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 00:20:58,513 INFO L76 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 64 events. 6/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs. 0/55 useless extension candidates. Maximal degree in co-relation 35. Up to 4 conditions per place. [2019-12-27 00:20:58,517 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 53 places, 55 transitions [2019-12-27 00:20:58,543 INFO L132 PetriNetUnfolder]: 6/64 cut-off events. [2019-12-27 00:20:58,543 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 00:20:58,544 INFO L76 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 64 events. 6/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs. 0/55 useless extension candidates. Maximal degree in co-relation 35. Up to 4 conditions per place. [2019-12-27 00:20:58,547 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 550 [2019-12-27 00:20:58,550 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 00:20:59,914 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-12-27 00:21:00,244 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-12-27 00:21:00,293 INFO L206 etLargeBlockEncoding]: Checked pairs total: 374 [2019-12-27 00:21:00,294 INFO L214 etLargeBlockEncoding]: Total number of compositions: 53 [2019-12-27 00:21:00,297 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 10 places, 10 transitions [2019-12-27 00:21:00,305 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 24 states. [2019-12-27 00:21:00,306 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-12-27 00:21:00,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-27 00:21:00,311 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:21:00,312 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-27 00:21:00,312 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:21:00,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:21:00,317 INFO L82 PathProgramCache]: Analyzing trace with hash 240401217, now seen corresponding path program 1 times [2019-12-27 00:21:00,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:21:00,324 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091677592] [2019-12-27 00:21:00,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:21:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:21:00,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 00:21:00,558 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091677592] [2019-12-27 00:21:00,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:21:00,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 00:21:00,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22753035] [2019-12-27 00:21:00,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 00:21:00,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:21:00,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 00:21:00,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 00:21:00,588 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 4 states. [2019-12-27 00:21:00,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:21:00,638 INFO L93 Difference]: Finished difference Result 27 states and 45 transitions. [2019-12-27 00:21:00,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 00:21:00,640 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-12-27 00:21:00,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:21:00,666 INFO L225 Difference]: With dead ends: 27 [2019-12-27 00:21:00,666 INFO L226 Difference]: Without dead ends: 27 [2019-12-27 00:21:00,669 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 00:21:00,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-12-27 00:21:00,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 23. [2019-12-27 00:21:00,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-12-27 00:21:00,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 42 transitions. [2019-12-27 00:21:00,709 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 42 transitions. Word has length 5 [2019-12-27 00:21:00,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:21:00,710 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 42 transitions. [2019-12-27 00:21:00,710 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 00:21:00,710 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 42 transitions. [2019-12-27 00:21:00,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-27 00:21:00,711 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:21:00,711 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-12-27 00:21:00,712 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:21:00,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:21:00,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1137596489, now seen corresponding path program 1 times [2019-12-27 00:21:00,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:21:00,717 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421272977] [2019-12-27 00:21:00,717 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:21:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 00:21:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 00:21:00,833 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 00:21:00,833 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 00:21:00,835 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 00:21:00,835 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-27 00:21:00,848 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,848 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,848 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,848 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,851 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,852 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,852 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,852 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,852 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,853 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,853 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,853 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,853 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,853 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,853 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,854 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,854 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,854 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,854 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,855 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,855 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,855 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,855 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,855 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,856 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,856 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,856 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,857 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,857 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,857 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,858 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,858 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,858 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,858 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,858 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,859 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,859 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,859 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,859 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,859 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,860 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,860 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,860 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,860 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,860 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,860 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,861 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,861 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,861 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,861 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,861 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,862 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,863 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,863 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,863 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,863 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,863 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,864 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,864 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,864 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,864 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,864 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,868 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,868 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,869 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,869 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,869 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,869 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,869 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,870 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:00,872 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-27 00:21:00,873 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 00:21:00,873 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 00:21:00,873 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 00:21:00,873 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 00:21:00,873 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 00:21:00,874 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 00:21:00,874 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 00:21:00,874 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 00:21:00,878 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 81 transitions [2019-12-27 00:21:00,878 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 77 places, 81 transitions [2019-12-27 00:21:00,919 INFO L132 PetriNetUnfolder]: 11/100 cut-off events. [2019-12-27 00:21:00,919 INFO L133 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2019-12-27 00:21:00,923 INFO L76 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 100 events. 11/100 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 211 event pairs. 0/84 useless extension candidates. Maximal degree in co-relation 65. Up to 6 conditions per place. [2019-12-27 00:21:00,929 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 77 places, 81 transitions [2019-12-27 00:21:00,954 INFO L132 PetriNetUnfolder]: 11/100 cut-off events. [2019-12-27 00:21:00,954 INFO L133 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2019-12-27 00:21:00,957 INFO L76 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 100 events. 11/100 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 211 event pairs. 0/84 useless extension candidates. Maximal degree in co-relation 65. Up to 6 conditions per place. [2019-12-27 00:21:00,963 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2400 [2019-12-27 00:21:00,963 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 00:21:02,411 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-12-27 00:21:02,480 INFO L206 etLargeBlockEncoding]: Checked pairs total: 5704 [2019-12-27 00:21:02,481 INFO L214 etLargeBlockEncoding]: Total number of compositions: 69 [2019-12-27 00:21:02,481 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 27 transitions [2019-12-27 00:21:02,501 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 445 states. [2019-12-27 00:21:02,502 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states. [2019-12-27 00:21:02,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-27 00:21:02,503 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:21:02,503 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-27 00:21:02,504 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:21:02,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:21:02,504 INFO L82 PathProgramCache]: Analyzing trace with hash 604516888, now seen corresponding path program 1 times [2019-12-27 00:21:02,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:21:02,505 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877370455] [2019-12-27 00:21:02,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:21:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:21:02,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 00:21:02,581 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877370455] [2019-12-27 00:21:02,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:21:02,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 00:21:02,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608779152] [2019-12-27 00:21:02,582 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 00:21:02,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:21:02,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 00:21:02,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 00:21:02,584 INFO L87 Difference]: Start difference. First operand 445 states. Second operand 3 states. [2019-12-27 00:21:02,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:21:02,655 INFO L93 Difference]: Finished difference Result 471 states and 1311 transitions. [2019-12-27 00:21:02,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 00:21:02,658 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-27 00:21:02,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:21:02,676 INFO L225 Difference]: With dead ends: 471 [2019-12-27 00:21:02,678 INFO L226 Difference]: Without dead ends: 471 [2019-12-27 00:21:02,679 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 00:21:02,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2019-12-27 00:21:02,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 432. [2019-12-27 00:21:02,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2019-12-27 00:21:02,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 1241 transitions. [2019-12-27 00:21:02,747 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 1241 transitions. Word has length 7 [2019-12-27 00:21:02,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:21:02,748 INFO L462 AbstractCegarLoop]: Abstraction has 432 states and 1241 transitions. [2019-12-27 00:21:02,748 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 00:21:02,748 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 1241 transitions. [2019-12-27 00:21:02,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-27 00:21:02,749 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:21:02,749 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2019-12-27 00:21:02,749 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:21:02,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:21:02,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1710392211, now seen corresponding path program 1 times [2019-12-27 00:21:02,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:21:02,750 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331097451] [2019-12-27 00:21:02,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:21:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 00:21:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 00:21:02,781 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 00:21:02,782 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 00:21:02,782 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 00:21:02,782 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-27 00:21:02,794 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,794 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,794 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,794 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,795 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,795 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,795 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,795 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,795 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,796 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,796 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,796 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,796 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,796 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,796 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,796 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,796 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,797 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,797 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,797 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,797 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,797 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,797 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,797 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,798 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,798 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,798 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,798 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,798 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,799 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,799 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,799 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,799 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,799 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,799 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,800 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,800 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,800 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,800 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,800 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,800 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,800 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,800 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,801 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,801 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,801 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,801 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,801 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,801 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,801 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,801 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,802 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,802 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,802 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,802 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,803 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,803 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,803 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,803 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,803 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,803 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,804 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,804 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,804 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,804 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,804 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,804 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,804 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,805 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,805 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,805 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,805 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,805 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,805 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,805 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,805 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,805 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,806 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,806 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,806 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,806 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,807 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,807 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,807 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,807 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,807 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,807 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,807 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,807 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,809 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,809 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,809 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,809 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,809 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,809 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,809 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,810 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,810 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,811 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,811 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,811 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,811 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,811 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,812 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,812 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:02,813 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 00:21:02,813 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 00:21:02,813 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 00:21:02,814 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 00:21:02,814 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 00:21:02,814 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 00:21:02,814 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 00:21:02,814 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 00:21:02,814 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 00:21:02,816 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 107 transitions [2019-12-27 00:21:02,817 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 101 places, 107 transitions [2019-12-27 00:21:02,841 INFO L132 PetriNetUnfolder]: 16/136 cut-off events. [2019-12-27 00:21:02,841 INFO L133 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2019-12-27 00:21:02,845 INFO L76 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 136 events. 16/136 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 371 event pairs. 0/113 useless extension candidates. Maximal degree in co-relation 104. Up to 8 conditions per place. [2019-12-27 00:21:02,854 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 101 places, 107 transitions [2019-12-27 00:21:02,884 INFO L132 PetriNetUnfolder]: 16/136 cut-off events. [2019-12-27 00:21:02,884 INFO L133 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2019-12-27 00:21:02,888 INFO L76 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 136 events. 16/136 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 371 event pairs. 0/113 useless extension candidates. Maximal degree in co-relation 104. Up to 8 conditions per place. [2019-12-27 00:21:02,912 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5550 [2019-12-27 00:21:02,913 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 00:21:04,644 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-12-27 00:21:04,879 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-12-27 00:21:04,939 INFO L206 etLargeBlockEncoding]: Checked pairs total: 12714 [2019-12-27 00:21:04,940 INFO L214 etLargeBlockEncoding]: Total number of compositions: 82 [2019-12-27 00:21:04,940 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 38 transitions [2019-12-27 00:21:05,171 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4009 states. [2019-12-27 00:21:05,172 INFO L276 IsEmpty]: Start isEmpty. Operand 4009 states. [2019-12-27 00:21:05,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-27 00:21:05,173 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:21:05,173 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-27 00:21:05,173 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:21:05,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:21:05,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1832175585, now seen corresponding path program 1 times [2019-12-27 00:21:05,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:21:05,174 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008157176] [2019-12-27 00:21:05,174 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:21:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:21:05,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 00:21:05,248 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008157176] [2019-12-27 00:21:05,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:21:05,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 00:21:05,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855453377] [2019-12-27 00:21:05,249 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 00:21:05,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:21:05,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 00:21:05,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 00:21:05,250 INFO L87 Difference]: Start difference. First operand 4009 states. Second operand 4 states. [2019-12-27 00:21:05,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:21:05,361 INFO L93 Difference]: Finished difference Result 4251 states and 16881 transitions. [2019-12-27 00:21:05,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 00:21:05,361 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-27 00:21:05,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:21:05,406 INFO L225 Difference]: With dead ends: 4251 [2019-12-27 00:21:05,406 INFO L226 Difference]: Without dead ends: 4251 [2019-12-27 00:21:05,406 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 00:21:05,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4251 states. [2019-12-27 00:21:05,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4251 to 3897. [2019-12-27 00:21:05,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3897 states. [2019-12-27 00:21:05,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3897 states to 3897 states and 15858 transitions. [2019-12-27 00:21:05,677 INFO L78 Accepts]: Start accepts. Automaton has 3897 states and 15858 transitions. Word has length 7 [2019-12-27 00:21:05,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:21:05,677 INFO L462 AbstractCegarLoop]: Abstraction has 3897 states and 15858 transitions. [2019-12-27 00:21:05,677 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 00:21:05,677 INFO L276 IsEmpty]: Start isEmpty. Operand 3897 states and 15858 transitions. [2019-12-27 00:21:05,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-27 00:21:05,678 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:21:05,679 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 00:21:05,679 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:21:05,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:21:05,679 INFO L82 PathProgramCache]: Analyzing trace with hash -962867362, now seen corresponding path program 1 times [2019-12-27 00:21:05,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:21:05,680 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253520986] [2019-12-27 00:21:05,680 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:21:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:21:05,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 00:21:05,753 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253520986] [2019-12-27 00:21:05,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:21:05,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 00:21:05,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016805873] [2019-12-27 00:21:05,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 00:21:05,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:21:05,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 00:21:05,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 00:21:05,755 INFO L87 Difference]: Start difference. First operand 3897 states and 15858 transitions. Second operand 4 states. [2019-12-27 00:21:05,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:21:05,824 INFO L93 Difference]: Finished difference Result 4251 states and 16527 transitions. [2019-12-27 00:21:05,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 00:21:05,824 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-12-27 00:21:05,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:21:05,865 INFO L225 Difference]: With dead ends: 4251 [2019-12-27 00:21:05,865 INFO L226 Difference]: Without dead ends: 4251 [2019-12-27 00:21:05,866 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 00:21:05,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4251 states. [2019-12-27 00:21:06,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4251 to 3897. [2019-12-27 00:21:06,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3897 states. [2019-12-27 00:21:06,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3897 states to 3897 states and 15504 transitions. [2019-12-27 00:21:06,097 INFO L78 Accepts]: Start accepts. Automaton has 3897 states and 15504 transitions. Word has length 8 [2019-12-27 00:21:06,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:21:06,098 INFO L462 AbstractCegarLoop]: Abstraction has 3897 states and 15504 transitions. [2019-12-27 00:21:06,098 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 00:21:06,098 INFO L276 IsEmpty]: Start isEmpty. Operand 3897 states and 15504 transitions. [2019-12-27 00:21:06,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 00:21:06,099 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:21:06,099 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 00:21:06,100 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:21:06,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:21:06,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1931918432, now seen corresponding path program 1 times [2019-12-27 00:21:06,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:21:06,100 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961172460] [2019-12-27 00:21:06,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:21:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:21:06,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 00:21:06,147 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961172460] [2019-12-27 00:21:06,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:21:06,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 00:21:06,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048030494] [2019-12-27 00:21:06,149 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 00:21:06,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:21:06,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 00:21:06,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 00:21:06,150 INFO L87 Difference]: Start difference. First operand 3897 states and 15504 transitions. Second operand 4 states. [2019-12-27 00:21:06,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:21:06,378 INFO L93 Difference]: Finished difference Result 8263 states and 32465 transitions. [2019-12-27 00:21:06,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 00:21:06,379 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-12-27 00:21:06,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:21:06,473 INFO L225 Difference]: With dead ends: 8263 [2019-12-27 00:21:06,474 INFO L226 Difference]: Without dead ends: 8263 [2019-12-27 00:21:06,475 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 00:21:06,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8263 states. [2019-12-27 00:21:06,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8263 to 5667. [2019-12-27 00:21:06,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5667 states. [2019-12-27 00:21:07,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5667 states to 5667 states and 22919 transitions. [2019-12-27 00:21:07,394 INFO L78 Accepts]: Start accepts. Automaton has 5667 states and 22919 transitions. Word has length 10 [2019-12-27 00:21:07,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:21:07,394 INFO L462 AbstractCegarLoop]: Abstraction has 5667 states and 22919 transitions. [2019-12-27 00:21:07,394 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 00:21:07,394 INFO L276 IsEmpty]: Start isEmpty. Operand 5667 states and 22919 transitions. [2019-12-27 00:21:07,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 00:21:07,396 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:21:07,397 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 00:21:07,397 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:21:07,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:21:07,397 INFO L82 PathProgramCache]: Analyzing trace with hash 19333085, now seen corresponding path program 1 times [2019-12-27 00:21:07,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:21:07,401 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641851532] [2019-12-27 00:21:07,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:21:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:21:07,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-27 00:21:07,437 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641851532] [2019-12-27 00:21:07,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:21:07,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 00:21:07,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239385147] [2019-12-27 00:21:07,438 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 00:21:07,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:21:07,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 00:21:07,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 00:21:07,438 INFO L87 Difference]: Start difference. First operand 5667 states and 22919 transitions. Second operand 3 states. [2019-12-27 00:21:07,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:21:07,514 INFO L93 Difference]: Finished difference Result 6891 states and 27113 transitions. [2019-12-27 00:21:07,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 00:21:07,515 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 00:21:07,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:21:07,554 INFO L225 Difference]: With dead ends: 6891 [2019-12-27 00:21:07,554 INFO L226 Difference]: Without dead ends: 6891 [2019-12-27 00:21:07,555 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 00:21:07,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6891 states. [2019-12-27 00:21:07,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6891 to 6444. [2019-12-27 00:21:07,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6444 states. [2019-12-27 00:21:07,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6444 states to 6444 states and 25813 transitions. [2019-12-27 00:21:07,823 INFO L78 Accepts]: Start accepts. Automaton has 6444 states and 25813 transitions. Word has length 10 [2019-12-27 00:21:07,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:21:07,824 INFO L462 AbstractCegarLoop]: Abstraction has 6444 states and 25813 transitions. [2019-12-27 00:21:07,824 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 00:21:07,825 INFO L276 IsEmpty]: Start isEmpty. Operand 6444 states and 25813 transitions. [2019-12-27 00:21:07,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-27 00:21:07,825 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:21:07,826 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 00:21:07,826 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:21:07,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:21:07,826 INFO L82 PathProgramCache]: Analyzing trace with hash 240071677, now seen corresponding path program 1 times [2019-12-27 00:21:07,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:21:07,829 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323383981] [2019-12-27 00:21:07,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:21:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:21:07,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 00:21:07,887 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323383981] [2019-12-27 00:21:07,887 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771141691] [2019-12-27 00:21:07,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 00:21:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:21:07,946 INFO L264 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-27 00:21:07,948 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-27 00:21:07,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 00:21:07,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-27 00:21:07,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 9 [2019-12-27 00:21:07,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585813605] [2019-12-27 00:21:07,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-27 00:21:07,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:21:07,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-27 00:21:07,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-12-27 00:21:07,999 INFO L87 Difference]: Start difference. First operand 6444 states and 25813 transitions. Second operand 10 states. [2019-12-27 00:21:08,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:21:08,853 INFO L93 Difference]: Finished difference Result 18233 states and 70019 transitions. [2019-12-27 00:21:08,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-12-27 00:21:08,853 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2019-12-27 00:21:08,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:21:08,934 INFO L225 Difference]: With dead ends: 18233 [2019-12-27 00:21:08,934 INFO L226 Difference]: Without dead ends: 18233 [2019-12-27 00:21:08,935 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2019-12-27 00:21:09,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18233 states. [2019-12-27 00:21:09,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18233 to 9368. [2019-12-27 00:21:09,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9368 states. [2019-12-27 00:21:09,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9368 states to 9368 states and 37231 transitions. [2019-12-27 00:21:09,573 INFO L78 Accepts]: Start accepts. Automaton has 9368 states and 37231 transitions. Word has length 11 [2019-12-27 00:21:09,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:21:09,574 INFO L462 AbstractCegarLoop]: Abstraction has 9368 states and 37231 transitions. [2019-12-27 00:21:09,574 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-27 00:21:09,574 INFO L276 IsEmpty]: Start isEmpty. Operand 9368 states and 37231 transitions. [2019-12-27 00:21:09,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 00:21:09,575 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:21:09,575 INFO L411 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2019-12-27 00:21:09,779 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 00:21:09,779 INFO L410 AbstractCegarLoop]: === Iteration 6 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:21:09,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:21:09,779 INFO L82 PathProgramCache]: Analyzing trace with hash 749189922, now seen corresponding path program 1 times [2019-12-27 00:21:09,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:21:09,780 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562187300] [2019-12-27 00:21:09,780 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:21:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 00:21:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 00:21:09,826 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 00:21:09,827 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 00:21:09,827 WARN L364 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 00:21:09,827 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2019-12-27 00:21:09,836 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,836 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,836 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,836 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,837 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,837 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,837 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,837 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,837 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,837 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,838 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,838 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,838 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,838 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,838 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,838 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,839 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,839 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,839 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,839 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,839 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,839 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,841 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,841 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,841 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,841 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,842 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,842 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,842 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,842 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,842 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,843 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,843 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,843 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,843 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,843 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,844 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,844 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,844 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,844 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,844 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,844 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,844 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,845 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,845 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,845 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,845 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,845 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,845 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,846 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,846 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,846 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,846 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,846 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,847 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,847 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,847 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,847 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,847 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,848 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,848 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,848 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,848 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,848 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,848 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,848 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,849 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,849 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,849 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,849 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,849 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,849 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,850 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,850 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,850 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,850 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,850 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,850 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,850 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,851 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,851 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,851 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,851 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,851 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,851 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,852 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,852 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,852 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,852 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,852 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,852 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,853 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,853 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,853 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,853 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,853 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,853 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,853 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,853 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,854 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,854 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,854 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,854 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,854 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,854 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,855 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,855 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,855 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,855 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,855 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,856 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,856 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,856 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,856 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,856 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,856 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,858 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,858 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,858 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,858 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,858 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,858 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,859 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,859 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,860 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,860 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,861 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,861 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,861 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,861 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,861 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,861 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,863 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,863 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,863 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,863 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,863 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,864 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,864 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,864 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:21:09,865 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 00:21:09,865 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 00:21:09,866 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 00:21:09,866 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 00:21:09,866 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 00:21:09,866 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 00:21:09,866 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 00:21:09,866 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 00:21:09,866 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 00:21:09,868 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 133 transitions [2019-12-27 00:21:09,868 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 125 places, 133 transitions [2019-12-27 00:21:09,917 INFO L132 PetriNetUnfolder]: 21/172 cut-off events. [2019-12-27 00:21:09,918 INFO L133 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2019-12-27 00:21:09,923 INFO L76 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 172 events. 21/172 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 534 event pairs. 0/142 useless extension candidates. Maximal degree in co-relation 144. Up to 10 conditions per place. [2019-12-27 00:21:09,937 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 125 places, 133 transitions [2019-12-27 00:21:09,967 INFO L132 PetriNetUnfolder]: 21/172 cut-off events. [2019-12-27 00:21:09,967 INFO L133 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2019-12-27 00:21:09,971 INFO L76 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 172 events. 21/172 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 534 event pairs. 0/142 useless extension candidates. Maximal degree in co-relation 144. Up to 10 conditions per place. [2019-12-27 00:21:09,985 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 10000 [2019-12-27 00:21:09,986 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 00:21:11,135 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-12-27 00:21:12,300 INFO L206 etLargeBlockEncoding]: Checked pairs total: 24541 [2019-12-27 00:21:12,300 INFO L214 etLargeBlockEncoding]: Total number of compositions: 103 [2019-12-27 00:21:12,301 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 49 transitions [2019-12-27 00:21:15,584 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 36085 states. [2019-12-27 00:21:15,585 INFO L276 IsEmpty]: Start isEmpty. Operand 36085 states. [2019-12-27 00:21:15,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-27 00:21:15,585 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:21:15,585 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-27 00:21:15,585 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:21:15,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:21:15,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1633579693, now seen corresponding path program 1 times [2019-12-27 00:21:15,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:21:15,586 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560265925] [2019-12-27 00:21:15,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:21:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:21:15,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 00:21:15,624 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560265925] [2019-12-27 00:21:15,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:21:15,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 00:21:15,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981356560] [2019-12-27 00:21:15,626 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 00:21:15,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:21:15,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 00:21:15,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 00:21:15,626 INFO L87 Difference]: Start difference. First operand 36085 states. Second operand 4 states. [2019-12-27 00:21:15,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:21:15,933 INFO L93 Difference]: Finished difference Result 38271 states and 194460 transitions. [2019-12-27 00:21:15,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 00:21:15,933 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-27 00:21:15,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:21:17,488 INFO L225 Difference]: With dead ends: 38271 [2019-12-27 00:21:17,488 INFO L226 Difference]: Without dead ends: 38271 [2019-12-27 00:21:17,488 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 00:21:17,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38271 states. [2019-12-27 00:21:18,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38271 to 35082. [2019-12-27 00:21:18,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35082 states. [2019-12-27 00:21:19,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35082 states to 35082 states and 181710 transitions. [2019-12-27 00:21:19,090 INFO L78 Accepts]: Start accepts. Automaton has 35082 states and 181710 transitions. Word has length 7 [2019-12-27 00:21:19,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:21:19,090 INFO L462 AbstractCegarLoop]: Abstraction has 35082 states and 181710 transitions. [2019-12-27 00:21:19,090 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 00:21:19,090 INFO L276 IsEmpty]: Start isEmpty. Operand 35082 states and 181710 transitions. [2019-12-27 00:21:19,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-27 00:21:19,090 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:21:19,091 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 00:21:19,091 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:21:19,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:21:19,091 INFO L82 PathProgramCache]: Analyzing trace with hash -898635843, now seen corresponding path program 1 times [2019-12-27 00:21:19,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:21:19,091 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621049618] [2019-12-27 00:21:19,092 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:21:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:21:19,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 00:21:19,149 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621049618] [2019-12-27 00:21:19,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:21:19,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 00:21:19,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308105801] [2019-12-27 00:21:19,150 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 00:21:19,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:21:19,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 00:21:19,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 00:21:19,150 INFO L87 Difference]: Start difference. First operand 35082 states and 181710 transitions. Second operand 4 states. [2019-12-27 00:21:19,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:21:19,770 INFO L93 Difference]: Finished difference Result 38271 states and 191271 transitions. [2019-12-27 00:21:19,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 00:21:19,770 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-12-27 00:21:19,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:21:19,940 INFO L225 Difference]: With dead ends: 38271 [2019-12-27 00:21:19,940 INFO L226 Difference]: Without dead ends: 38271 [2019-12-27 00:21:19,941 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 00:21:20,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38271 states. [2019-12-27 00:21:21,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38271 to 35082. [2019-12-27 00:21:21,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35082 states. [2019-12-27 00:21:21,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35082 states to 35082 states and 178521 transitions. [2019-12-27 00:21:21,441 INFO L78 Accepts]: Start accepts. Automaton has 35082 states and 178521 transitions. Word has length 8 [2019-12-27 00:21:21,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:21:21,441 INFO L462 AbstractCegarLoop]: Abstraction has 35082 states and 178521 transitions. [2019-12-27 00:21:21,442 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 00:21:21,442 INFO L276 IsEmpty]: Start isEmpty. Operand 35082 states and 178521 transitions. [2019-12-27 00:21:21,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 00:21:21,442 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:21:21,442 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 00:21:21,442 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:21:21,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:21:21,442 INFO L82 PathProgramCache]: Analyzing trace with hash -704687764, now seen corresponding path program 1 times [2019-12-27 00:21:21,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:21:21,443 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800250596] [2019-12-27 00:21:21,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:21:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:21:21,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-27 00:21:21,473 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800250596] [2019-12-27 00:21:21,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:21:21,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 00:21:21,474 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853239110] [2019-12-27 00:21:21,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 00:21:21,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:21:21,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 00:21:21,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 00:21:21,475 INFO L87 Difference]: Start difference. First operand 35082 states and 178521 transitions. Second operand 4 states. [2019-12-27 00:21:21,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:21:21,779 INFO L93 Difference]: Finished difference Result 46764 states and 236706 transitions. [2019-12-27 00:21:21,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 00:21:21,779 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-12-27 00:21:21,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:21:24,099 INFO L225 Difference]: With dead ends: 46764 [2019-12-27 00:21:24,099 INFO L226 Difference]: Without dead ends: 46764 [2019-12-27 00:21:24,099 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 00:21:24,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46764 states. [2019-12-27 00:21:25,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46764 to 42870. [2019-12-27 00:21:25,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42870 states. [2019-12-27 00:21:25,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42870 states to 42870 states and 221205 transitions. [2019-12-27 00:21:25,509 INFO L78 Accepts]: Start accepts. Automaton has 42870 states and 221205 transitions. Word has length 10 [2019-12-27 00:21:25,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:21:25,509 INFO L462 AbstractCegarLoop]: Abstraction has 42870 states and 221205 transitions. [2019-12-27 00:21:25,509 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 00:21:25,510 INFO L276 IsEmpty]: Start isEmpty. Operand 42870 states and 221205 transitions. [2019-12-27 00:21:25,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 00:21:25,510 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:21:25,510 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 00:21:25,510 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:21:25,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:21:25,511 INFO L82 PathProgramCache]: Analyzing trace with hash -336469552, now seen corresponding path program 1 times [2019-12-27 00:21:25,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:21:25,511 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484475126] [2019-12-27 00:21:25,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:21:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:21:25,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 00:21:25,561 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484475126] [2019-12-27 00:21:25,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:21:25,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 00:21:25,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236682790] [2019-12-27 00:21:25,562 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 00:21:25,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:21:25,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 00:21:25,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 00:21:25,563 INFO L87 Difference]: Start difference. First operand 42870 states and 221205 transitions. Second operand 4 states. [2019-12-27 00:21:26,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:21:26,207 INFO L93 Difference]: Finished difference Result 94681 states and 484517 transitions. [2019-12-27 00:21:26,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 00:21:26,208 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-12-27 00:21:26,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:21:29,607 INFO L225 Difference]: With dead ends: 94681 [2019-12-27 00:21:29,608 INFO L226 Difference]: Without dead ends: 94681 [2019-12-27 00:21:29,608 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 00:21:30,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94681 states. [2019-12-27 00:21:31,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94681 to 64113. [2019-12-27 00:21:31,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64113 states. [2019-12-27 00:21:31,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64113 states to 64113 states and 334802 transitions. [2019-12-27 00:21:31,683 INFO L78 Accepts]: Start accepts. Automaton has 64113 states and 334802 transitions. Word has length 10 [2019-12-27 00:21:31,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:21:31,684 INFO L462 AbstractCegarLoop]: Abstraction has 64113 states and 334802 transitions. [2019-12-27 00:21:31,684 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 00:21:31,684 INFO L276 IsEmpty]: Start isEmpty. Operand 64113 states and 334802 transitions. [2019-12-27 00:21:31,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-27 00:21:31,684 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:21:31,684 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 00:21:31,685 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:21:31,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:21:31,685 INFO L82 PathProgramCache]: Analyzing trace with hash -370482893, now seen corresponding path program 1 times [2019-12-27 00:21:31,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:21:31,685 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389442630] [2019-12-27 00:21:31,686 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:21:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:21:31,724 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-27 00:21:31,724 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389442630] [2019-12-27 00:21:31,725 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482908595] [2019-12-27 00:21:31,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 00:21:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:21:31,786 INFO L264 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-27 00:21:31,786 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-27 00:21:31,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-27 00:21:31,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-27 00:21:31,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 6 [2019-12-27 00:21:31,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104115219] [2019-12-27 00:21:31,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 00:21:31,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:21:31,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 00:21:31,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-27 00:21:31,802 INFO L87 Difference]: Start difference. First operand 64113 states and 334802 transitions. Second operand 3 states. [2019-12-27 00:21:32,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:21:32,943 INFO L93 Difference]: Finished difference Result 66591 states and 335413 transitions. [2019-12-27 00:21:32,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 00:21:32,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-12-27 00:21:32,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:21:33,171 INFO L225 Difference]: With dead ends: 66591 [2019-12-27 00:21:33,171 INFO L226 Difference]: Without dead ends: 66591 [2019-12-27 00:21:33,172 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-27 00:21:33,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66591 states. [2019-12-27 00:21:38,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66591 to 61989. [2019-12-27 00:21:38,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61989 states. [2019-12-27 00:21:38,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61989 states to 61989 states and 316982 transitions. [2019-12-27 00:21:38,316 INFO L78 Accepts]: Start accepts. Automaton has 61989 states and 316982 transitions. Word has length 11 [2019-12-27 00:21:38,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:21:38,316 INFO L462 AbstractCegarLoop]: Abstraction has 61989 states and 316982 transitions. [2019-12-27 00:21:38,316 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 00:21:38,316 INFO L276 IsEmpty]: Start isEmpty. Operand 61989 states and 316982 transitions. [2019-12-27 00:21:38,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-27 00:21:38,317 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:21:38,317 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 00:21:38,518 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 00:21:38,519 INFO L410 AbstractCegarLoop]: === Iteration 6 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:21:38,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:21:38,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1840620294, now seen corresponding path program 1 times [2019-12-27 00:21:38,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:21:38,520 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520030641] [2019-12-27 00:21:38,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:21:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:21:38,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 00:21:38,592 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520030641] [2019-12-27 00:21:38,593 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975546147] [2019-12-27 00:21:38,593 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 00:21:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:21:38,655 INFO L264 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-27 00:21:38,656 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-27 00:21:38,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 00:21:38,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-27 00:21:38,698 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 9 [2019-12-27 00:21:38,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424211308] [2019-12-27 00:21:38,699 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-27 00:21:38,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:21:38,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-27 00:21:38,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-12-27 00:21:38,699 INFO L87 Difference]: Start difference. First operand 61989 states and 316982 transitions. Second operand 10 states. [2019-12-27 00:21:41,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:21:41,581 INFO L93 Difference]: Finished difference Result 216873 states and 1059805 transitions. [2019-12-27 00:21:41,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-12-27 00:21:41,582 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2019-12-27 00:21:41,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:21:42,305 INFO L225 Difference]: With dead ends: 216873 [2019-12-27 00:21:42,305 INFO L226 Difference]: Without dead ends: 216873 [2019-12-27 00:21:42,305 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2019-12-27 00:21:48,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216873 states. [2019-12-27 00:21:51,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216873 to 113464. [2019-12-27 00:21:51,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113464 states. [2019-12-27 00:21:51,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113464 states to 113464 states and 571819 transitions. [2019-12-27 00:21:51,744 INFO L78 Accepts]: Start accepts. Automaton has 113464 states and 571819 transitions. Word has length 11 [2019-12-27 00:21:51,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:21:51,744 INFO L462 AbstractCegarLoop]: Abstraction has 113464 states and 571819 transitions. [2019-12-27 00:21:51,745 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-27 00:21:51,745 INFO L276 IsEmpty]: Start isEmpty. Operand 113464 states and 571819 transitions. [2019-12-27 00:21:51,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 00:21:51,746 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:21:51,746 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 00:21:51,949 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 00:21:51,949 INFO L410 AbstractCegarLoop]: === Iteration 7 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:21:51,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:21:51,950 INFO L82 PathProgramCache]: Analyzing trace with hash 413300680, now seen corresponding path program 1 times [2019-12-27 00:21:51,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:21:51,951 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6358759] [2019-12-27 00:21:51,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:21:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:21:52,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-27 00:21:52,007 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6358759] [2019-12-27 00:21:52,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:21:52,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 00:21:52,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415319452] [2019-12-27 00:21:52,008 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 00:21:52,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:21:52,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 00:21:52,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 00:21:52,009 INFO L87 Difference]: Start difference. First operand 113464 states and 571819 transitions. Second operand 4 states. [2019-12-27 00:21:54,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:21:54,520 INFO L93 Difference]: Finished difference Result 192503 states and 969705 transitions. [2019-12-27 00:21:54,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 00:21:54,520 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-12-27 00:21:54,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:21:55,168 INFO L225 Difference]: With dead ends: 192503 [2019-12-27 00:21:55,168 INFO L226 Difference]: Without dead ends: 192503 [2019-12-27 00:21:55,169 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 00:22:02,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192503 states. [2019-12-27 00:22:05,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192503 to 147949. [2019-12-27 00:22:05,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147949 states. [2019-12-27 00:22:06,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147949 states to 147949 states and 754398 transitions. [2019-12-27 00:22:06,796 INFO L78 Accepts]: Start accepts. Automaton has 147949 states and 754398 transitions. Word has length 13 [2019-12-27 00:22:06,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:22:06,796 INFO L462 AbstractCegarLoop]: Abstraction has 147949 states and 754398 transitions. [2019-12-27 00:22:06,796 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 00:22:06,796 INFO L276 IsEmpty]: Start isEmpty. Operand 147949 states and 754398 transitions. [2019-12-27 00:22:06,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 00:22:06,797 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:22:06,798 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 00:22:06,798 INFO L410 AbstractCegarLoop]: === Iteration 8 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:22:06,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:22:06,798 INFO L82 PathProgramCache]: Analyzing trace with hash -2009219030, now seen corresponding path program 1 times [2019-12-27 00:22:06,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:22:06,799 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789915400] [2019-12-27 00:22:06,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:22:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:22:06,839 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-27 00:22:06,839 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789915400] [2019-12-27 00:22:06,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:22:06,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 00:22:06,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740967475] [2019-12-27 00:22:06,840 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 00:22:06,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:22:06,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 00:22:06,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 00:22:06,840 INFO L87 Difference]: Start difference. First operand 147949 states and 754398 transitions. Second operand 3 states. [2019-12-27 00:22:14,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:22:14,615 INFO L93 Difference]: Finished difference Result 176085 states and 887368 transitions. [2019-12-27 00:22:14,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 00:22:14,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-27 00:22:14,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:22:15,243 INFO L225 Difference]: With dead ends: 176085 [2019-12-27 00:22:15,244 INFO L226 Difference]: Without dead ends: 176085 [2019-12-27 00:22:15,244 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 00:22:16,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176085 states. [2019-12-27 00:22:20,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176085 to 166057. [2019-12-27 00:22:20,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166057 states. [2019-12-27 00:22:20,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166057 states to 166057 states and 846031 transitions. [2019-12-27 00:22:20,711 INFO L78 Accepts]: Start accepts. Automaton has 166057 states and 846031 transitions. Word has length 13 [2019-12-27 00:22:20,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:22:20,711 INFO L462 AbstractCegarLoop]: Abstraction has 166057 states and 846031 transitions. [2019-12-27 00:22:20,711 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 00:22:20,711 INFO L276 IsEmpty]: Start isEmpty. Operand 166057 states and 846031 transitions. [2019-12-27 00:22:20,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 00:22:20,713 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:22:20,713 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 00:22:20,714 INFO L410 AbstractCegarLoop]: === Iteration 9 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:22:20,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:22:20,714 INFO L82 PathProgramCache]: Analyzing trace with hash -72579497, now seen corresponding path program 1 times [2019-12-27 00:22:20,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:22:20,715 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913759031] [2019-12-27 00:22:20,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:22:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:22:20,761 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-27 00:22:20,762 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913759031] [2019-12-27 00:22:20,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:22:20,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 00:22:20,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456017655] [2019-12-27 00:22:20,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 00:22:20,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:22:20,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 00:22:20,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 00:22:20,763 INFO L87 Difference]: Start difference. First operand 166057 states and 846031 transitions. Second operand 5 states. [2019-12-27 00:22:28,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:22:28,582 INFO L93 Difference]: Finished difference Result 300441 states and 1526281 transitions. [2019-12-27 00:22:28,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-27 00:22:28,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-12-27 00:22:28,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:22:29,648 INFO L225 Difference]: With dead ends: 300441 [2019-12-27 00:22:29,648 INFO L226 Difference]: Without dead ends: 300441 [2019-12-27 00:22:29,649 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-27 00:22:37,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300441 states. [2019-12-27 00:22:42,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300441 to 210135. [2019-12-27 00:22:42,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210135 states. [2019-12-27 00:22:43,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210135 states to 210135 states and 1085037 transitions. [2019-12-27 00:22:43,876 INFO L78 Accepts]: Start accepts. Automaton has 210135 states and 1085037 transitions. Word has length 14 [2019-12-27 00:22:43,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:22:43,876 INFO L462 AbstractCegarLoop]: Abstraction has 210135 states and 1085037 transitions. [2019-12-27 00:22:43,876 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 00:22:43,876 INFO L276 IsEmpty]: Start isEmpty. Operand 210135 states and 1085037 transitions. [2019-12-27 00:22:43,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-27 00:22:43,879 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:22:43,879 INFO L411 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2019-12-27 00:22:43,879 INFO L410 AbstractCegarLoop]: === Iteration 10 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:22:43,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:22:43,880 INFO L82 PathProgramCache]: Analyzing trace with hash 319594202, now seen corresponding path program 1 times [2019-12-27 00:22:43,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:22:43,880 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043995848] [2019-12-27 00:22:43,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:22:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 00:22:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 00:22:43,898 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 00:22:43,898 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 00:22:43,899 WARN L364 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 00:22:43,899 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2019-12-27 00:22:43,909 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,909 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,910 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,910 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,910 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,910 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,910 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,910 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,911 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,911 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,911 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,911 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,911 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,911 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,911 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,912 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,912 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,912 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,912 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,912 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,912 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,913 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,913 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,913 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,913 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,913 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,913 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,914 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,914 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,914 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,914 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,914 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,914 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,914 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,915 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,915 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,915 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,915 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,915 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,915 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,916 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,916 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,916 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,916 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,916 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,916 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,916 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,916 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,917 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,917 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,917 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,917 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,917 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,917 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,917 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,918 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,918 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,918 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,918 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,918 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,918 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,918 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,919 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,919 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,919 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,919 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,919 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,919 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,919 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,920 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,920 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,920 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,920 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,920 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,920 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,920 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,920 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,921 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,921 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,921 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,921 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,921 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,921 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,921 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,922 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,922 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,922 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,922 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,922 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,922 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,922 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,923 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,923 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,923 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,923 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,923 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,923 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,923 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,924 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,924 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,924 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,924 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,924 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,924 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,924 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,925 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,925 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,925 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,925 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,925 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,925 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,925 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,926 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,926 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,926 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,926 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,926 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,926 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,926 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,927 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,927 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,927 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,927 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,927 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,927 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,927 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,928 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,928 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,928 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,928 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,928 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,929 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,929 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,929 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,929 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,929 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,929 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,930 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,930 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,930 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,930 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,930 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,930 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,935 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,935 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,935 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,935 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,935 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,935 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,935 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,936 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,936 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,937 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,937 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,937 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,937 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,937 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,937 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,937 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,938 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,938 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,938 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,938 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,938 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,939 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,939 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,939 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,940 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,940 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,941 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,941 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,941 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,941 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,941 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,941 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:22:43,942 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-27 00:22:43,942 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 00:22:43,942 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 00:22:43,942 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 00:22:43,942 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 00:22:43,942 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 00:22:43,942 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 00:22:43,942 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 00:22:43,942 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 00:22:43,944 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 159 transitions [2019-12-27 00:22:43,944 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 149 places, 159 transitions [2019-12-27 00:22:43,996 INFO L132 PetriNetUnfolder]: 26/208 cut-off events. [2019-12-27 00:22:43,996 INFO L133 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2019-12-27 00:22:44,003 INFO L76 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 208 events. 26/208 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 676 event pairs. 0/171 useless extension candidates. Maximal degree in co-relation 185. Up to 12 conditions per place. [2019-12-27 00:22:44,025 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 149 places, 159 transitions [2019-12-27 00:22:44,059 INFO L132 PetriNetUnfolder]: 26/208 cut-off events. [2019-12-27 00:22:44,060 INFO L133 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2019-12-27 00:22:44,073 INFO L76 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 208 events. 26/208 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 676 event pairs. 0/171 useless extension candidates. Maximal degree in co-relation 185. Up to 12 conditions per place. [2019-12-27 00:22:44,090 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 15750 [2019-12-27 00:22:44,090 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 00:22:46,328 WARN L192 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 10 [2019-12-27 00:22:48,262 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-12-27 00:22:48,328 INFO L206 etLargeBlockEncoding]: Checked pairs total: 40338 [2019-12-27 00:22:48,328 INFO L214 etLargeBlockEncoding]: Total number of compositions: 128 [2019-12-27 00:22:48,329 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55 places, 60 transitions Received shutdown request... [2019-12-27 00:24:37,728 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 00:24:37,731 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 00:24:37,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 12:24:37 BasicIcfg [2019-12-27 00:24:37,732 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 00:24:37,733 INFO L168 Benchmark]: Toolchain (without parser) took 220940.30 ms. Allocated memory was 146.3 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 102.0 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 4.0 GB. Max. memory is 7.1 GB. [2019-12-27 00:24:37,734 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-12-27 00:24:37,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 916.03 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 101.5 MB in the beginning and 135.7 MB in the end (delta: -34.2 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. [2019-12-27 00:24:37,735 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.51 ms. Allocated memory is still 203.9 MB. Free memory was 135.1 MB in the beginning and 133.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 00:24:37,736 INFO L168 Benchmark]: Boogie Preprocessor took 46.29 ms. Allocated memory is still 203.9 MB. Free memory was 133.1 MB in the beginning and 131.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-27 00:24:37,736 INFO L168 Benchmark]: RCFGBuilder took 480.23 ms. Allocated memory is still 203.9 MB. Free memory was 131.1 MB in the beginning and 110.8 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2019-12-27 00:24:37,737 INFO L168 Benchmark]: TraceAbstraction took 219394.75 ms. Allocated memory was 203.9 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 110.8 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 4.0 GB. Max. memory is 7.1 GB. [2019-12-27 00:24:37,740 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 916.03 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 101.5 MB in the beginning and 135.7 MB in the end (delta: -34.2 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 93.51 ms. Allocated memory is still 203.9 MB. Free memory was 135.1 MB in the beginning and 133.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.29 ms. Allocated memory is still 203.9 MB. Free memory was 133.1 MB in the beginning and 131.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 480.23 ms. Allocated memory is still 203.9 MB. Free memory was 131.1 MB in the beginning and 110.8 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 219394.75 ms. Allocated memory was 203.9 MB in the beginning and 2.8 GB in the end (delta: 2.5 GB). Free memory was 110.8 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 4.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.8s, 53 ProgramPointsBefore, 10 ProgramPointsAfterwards, 55 TransitionsBefore, 10 TransitionsAfterwards, 550 CoEnabledTransitionPairs, 6 FixpointIterations, 17 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 4 ChoiceCompositions, 271 VarBasedMoverChecksPositive, 2 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 374 CheckedPairsTotal, 53 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.6s, 77 ProgramPointsBefore, 25 ProgramPointsAfterwards, 81 TransitionsBefore, 27 TransitionsAfterwards, 2400 CoEnabledTransitionPairs, 7 FixpointIterations, 17 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 5 ChoiceCompositions, 1238 VarBasedMoverChecksPositive, 29 VarBasedMoverChecksNegative, 17 SemBasedMoverChecksPositive, 22 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 5704 CheckedPairsTotal, 69 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.1s, 101 ProgramPointsBefore, 35 ProgramPointsAfterwards, 107 TransitionsBefore, 38 TransitionsAfterwards, 5550 CoEnabledTransitionPairs, 7 FixpointIterations, 17 TrivialSequentialCompositions, 51 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 14 ConcurrentYvCompositions, 7 ChoiceCompositions, 2619 VarBasedMoverChecksPositive, 51 VarBasedMoverChecksNegative, 29 SemBasedMoverChecksPositive, 39 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 12714 CheckedPairsTotal, 82 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.4s, 125 ProgramPointsBefore, 45 ProgramPointsAfterwards, 133 TransitionsBefore, 49 TransitionsAfterwards, 10000 CoEnabledTransitionPairs, 7 FixpointIterations, 17 TrivialSequentialCompositions, 67 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 9 ChoiceCompositions, 4756 VarBasedMoverChecksPositive, 93 VarBasedMoverChecksNegative, 66 SemBasedMoverChecksPositive, 56 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 0 MoverChecksTotal, 24541 CheckedPairsTotal, 103 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.3s, 149 ProgramPointsBefore, 55 ProgramPointsAfterwards, 159 TransitionsBefore, 60 TransitionsAfterwards, 15750 CoEnabledTransitionPairs, 7 FixpointIterations, 17 TrivialSequentialCompositions, 85 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 26 ConcurrentYvCompositions, 11 ChoiceCompositions, 7369 VarBasedMoverChecksPositive, 126 VarBasedMoverChecksNegative, 97 SemBasedMoverChecksPositive, 70 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 0 MoverChecksTotal, 40338 CheckedPairsTotal, 128 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 984]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 984). Cancelled while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 55 places, 60 transitions. Already constructed 268537 states. Currently 31621 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Result: TIMEOUT, OverallTime: 113.7s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown