/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-ext/46_monabsex2_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 23:51:19,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 23:51:19,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 23:51:19,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 23:51:19,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 23:51:19,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 23:51:19,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 23:51:19,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 23:51:19,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 23:51:19,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 23:51:19,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 23:51:19,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 23:51:19,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 23:51:19,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 23:51:19,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 23:51:19,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 23:51:19,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 23:51:19,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 23:51:19,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 23:51:19,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 23:51:19,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 23:51:19,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 23:51:19,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 23:51:19,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 23:51:19,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-18 23:51:19,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 23:51:19,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 23:51:19,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 23:51:19,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 23:51:19,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 23:51:19,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 23:51:19,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 23:51:19,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 23:51:19,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 23:51:19,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 23:51:19,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 23:51:19,491 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2019-12-18 23:51:19,509 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 23:51:19,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 23:51:19,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 23:51:19,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 23:51:19,511 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 23:51:19,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 23:51:19,511 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 23:51:19,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 23:51:19,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 23:51:19,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 23:51:19,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 23:51:19,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 23:51:19,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 23:51:19,514 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 23:51:19,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 23:51:19,516 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 23:51:19,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 23:51:19,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 23:51:19,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 23:51:19,518 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 23:51:19,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 23:51:19,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 23:51:19,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 23:51:19,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 23:51:19,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 23:51:19,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 23:51:19,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 23:51:19,522 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-18 23:51:19,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 23:51:19,523 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 23:51:19,837 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 23:51:19,854 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 23:51:19,859 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 23:51:19,861 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 23:51:19,861 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 23:51:19,862 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/46_monabsex2_vs.i [2019-12-18 23:51:19,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0a34535c/91edebcac5354735bab8b449a6a0c0b4/FLAG7bd698567 [2019-12-18 23:51:20,500 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 23:51:20,501 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/46_monabsex2_vs.i [2019-12-18 23:51:20,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0a34535c/91edebcac5354735bab8b449a6a0c0b4/FLAG7bd698567 [2019-12-18 23:51:20,901 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0a34535c/91edebcac5354735bab8b449a6a0c0b4 [2019-12-18 23:51:20,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 23:51:20,913 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 23:51:20,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 23:51:20,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 23:51:20,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 23:51:20,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:51:20" (1/1) ... [2019-12-18 23:51:20,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b6fc67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:20, skipping insertion in model container [2019-12-18 23:51:20,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:51:20" (1/1) ... [2019-12-18 23:51:20,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 23:51:20,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 23:51:21,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 23:51:21,385 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 23:51:21,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 23:51:21,538 INFO L208 MainTranslator]: Completed translation [2019-12-18 23:51:21,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:21 WrapperNode [2019-12-18 23:51:21,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 23:51:21,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 23:51:21,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 23:51:21,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 23:51:21,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:21" (1/1) ... [2019-12-18 23:51:21,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:21" (1/1) ... [2019-12-18 23:51:21,606 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 23:51:21,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 23:51:21,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 23:51:21,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 23:51:21,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:21" (1/1) ... [2019-12-18 23:51:21,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:21" (1/1) ... [2019-12-18 23:51:21,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:21" (1/1) ... [2019-12-18 23:51:21,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:21" (1/1) ... [2019-12-18 23:51:21,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:21" (1/1) ... [2019-12-18 23:51:21,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:21" (1/1) ... [2019-12-18 23:51:21,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:21" (1/1) ... [2019-12-18 23:51:21,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 23:51:21,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 23:51:21,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 23:51:21,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 23:51:21,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:21" (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 [2019-12-18 23:51:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-18 23:51:21,713 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-18 23:51:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 23:51:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 23:51:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 23:51:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 23:51:21,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 23:51:21,716 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 23:51:22,007 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 23:51:22,008 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-18 23:51:22,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:51:22 BoogieIcfgContainer [2019-12-18 23:51:22,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 23:51:22,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 23:51:22,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 23:51:22,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 23:51:22,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 11:51:20" (1/3) ... [2019-12-18 23:51:22,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59dc5d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:51:22, skipping insertion in model container [2019-12-18 23:51:22,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:51:21" (2/3) ... [2019-12-18 23:51:22,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59dc5d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:51:22, skipping insertion in model container [2019-12-18 23:51:22,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:51:22" (3/3) ... [2019-12-18 23:51:22,033 INFO L109 eAbstractionObserver]: Analyzing ICFG 46_monabsex2_vs.i [2019-12-18 23:51:22,047 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 23:51:22,048 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 23:51:22,054 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-18 23:51:22,055 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 23:51:22,075 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,076 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,076 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,076 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,077 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,077 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,081 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,082 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,082 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,082 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,097 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-18 23:51:22,114 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 23:51:22,114 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 23:51:22,114 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 23:51:22,114 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 23:51:22,115 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 23:51:22,115 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 23:51:22,115 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 23:51:22,115 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 23:51:22,124 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 28 transitions [2019-12-18 23:51:22,138 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 106 states. [2019-12-18 23:51:22,140 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states. [2019-12-18 23:51:22,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 23:51:22,147 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:51:22,148 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:51:22,149 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 23:51:22,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:51:22,153 INFO L82 PathProgramCache]: Analyzing trace with hash -395364706, now seen corresponding path program 1 times [2019-12-18 23:51:22,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:51:22,161 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600869828] [2019-12-18 23:51:22,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:51:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:51:22,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:51:22,398 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600869828] [2019-12-18 23:51:22,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:51:22,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 23:51:22,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454546525] [2019-12-18 23:51:22,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:51:22,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:51:22,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:51:22,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:51:22,427 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 3 states. [2019-12-18 23:51:22,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:51:22,459 INFO L93 Difference]: Finished difference Result 46 states and 69 transitions. [2019-12-18 23:51:22,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:51:22,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-12-18 23:51:22,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:51:22,472 INFO L225 Difference]: With dead ends: 46 [2019-12-18 23:51:22,472 INFO L226 Difference]: Without dead ends: 46 [2019-12-18 23:51:22,474 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:51:22,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-12-18 23:51:22,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-12-18 23:51:22,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-12-18 23:51:22,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 69 transitions. [2019-12-18 23:51:22,514 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 69 transitions. Word has length 14 [2019-12-18 23:51:22,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:51:22,514 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 69 transitions. [2019-12-18 23:51:22,514 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:51:22,515 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 69 transitions. [2019-12-18 23:51:22,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-18 23:51:22,515 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:51:22,516 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:51:22,516 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 23:51:22,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:51:22,516 INFO L82 PathProgramCache]: Analyzing trace with hash 627905184, now seen corresponding path program 1 times [2019-12-18 23:51:22,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:51:22,517 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733321791] [2019-12-18 23:51:22,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:51:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 23:51:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 23:51:22,604 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 23:51:22,604 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 23:51:22,606 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-18 23:51:22,607 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-18 23:51:22,613 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,614 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,614 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,614 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,615 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,615 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,615 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,616 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,616 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,616 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,616 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,617 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,617 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,617 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,618 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,618 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,620 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,620 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,620 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,621 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,623 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-18 23:51:22,623 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 23:51:22,624 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 23:51:22,624 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 23:51:22,624 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 23:51:22,624 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 23:51:22,624 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 23:51:22,624 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 23:51:22,625 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 23:51:22,627 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 38 transitions [2019-12-18 23:51:22,679 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 907 states. [2019-12-18 23:51:22,680 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states. [2019-12-18 23:51:22,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 23:51:22,681 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:51:22,681 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:51:22,682 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:51:22,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:51:22,682 INFO L82 PathProgramCache]: Analyzing trace with hash -489840098, now seen corresponding path program 1 times [2019-12-18 23:51:22,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:51:22,683 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333656128] [2019-12-18 23:51:22,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:51:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:51:22,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:51:22,742 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333656128] [2019-12-18 23:51:22,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:51:22,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 23:51:22,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339367953] [2019-12-18 23:51:22,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:51:22,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:51:22,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:51:22,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:51:22,744 INFO L87 Difference]: Start difference. First operand 907 states. Second operand 3 states. [2019-12-18 23:51:22,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:51:22,793 INFO L93 Difference]: Finished difference Result 344 states and 827 transitions. [2019-12-18 23:51:22,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:51:22,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-12-18 23:51:22,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:51:22,801 INFO L225 Difference]: With dead ends: 344 [2019-12-18 23:51:22,801 INFO L226 Difference]: Without dead ends: 344 [2019-12-18 23:51:22,802 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:51:22,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2019-12-18 23:51:22,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2019-12-18 23:51:22,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2019-12-18 23:51:22,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 827 transitions. [2019-12-18 23:51:22,853 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 827 transitions. Word has length 14 [2019-12-18 23:51:22,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:51:22,854 INFO L462 AbstractCegarLoop]: Abstraction has 344 states and 827 transitions. [2019-12-18 23:51:22,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:51:22,854 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 827 transitions. [2019-12-18 23:51:22,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-18 23:51:22,855 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:51:22,856 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:51:22,856 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:51:22,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:51:22,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1597502585, now seen corresponding path program 1 times [2019-12-18 23:51:22,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:51:22,857 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543098987] [2019-12-18 23:51:22,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:51:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 23:51:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 23:51:22,903 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 23:51:22,903 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 23:51:22,905 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-18 23:51:22,905 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-18 23:51:22,927 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,927 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,927 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,927 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,928 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,928 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,929 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,929 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,929 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,929 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,930 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,930 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,930 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,931 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,931 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,931 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,931 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,932 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,932 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,932 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,933 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,933 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,936 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,937 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,937 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,937 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,940 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,941 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,941 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,941 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:22,943 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-18 23:51:22,944 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 23:51:22,944 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 23:51:22,944 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 23:51:22,944 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 23:51:22,944 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 23:51:22,944 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 23:51:22,944 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 23:51:22,945 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 23:51:22,947 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 48 transitions [2019-12-18 23:51:23,532 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8116 states. [2019-12-18 23:51:23,532 INFO L276 IsEmpty]: Start isEmpty. Operand 8116 states. [2019-12-18 23:51:23,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 23:51:23,533 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:51:23,533 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:51:23,534 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:51:23,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:51:23,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1513462923, now seen corresponding path program 1 times [2019-12-18 23:51:23,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:51:23,535 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170648176] [2019-12-18 23:51:23,535 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:51:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:51:23,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:51:23,588 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170648176] [2019-12-18 23:51:23,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:51:23,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 23:51:23,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705906343] [2019-12-18 23:51:23,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:51:23,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:51:23,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:51:23,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:51:23,590 INFO L87 Difference]: Start difference. First operand 8116 states. Second operand 3 states. [2019-12-18 23:51:23,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:51:23,728 INFO L93 Difference]: Finished difference Result 3168 states and 10471 transitions. [2019-12-18 23:51:23,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:51:23,729 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-12-18 23:51:23,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:51:23,760 INFO L225 Difference]: With dead ends: 3168 [2019-12-18 23:51:23,761 INFO L226 Difference]: Without dead ends: 3168 [2019-12-18 23:51:23,761 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:51:23,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3168 states. [2019-12-18 23:51:23,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3168 to 3168. [2019-12-18 23:51:23,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3168 states. [2019-12-18 23:51:23,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 3168 states and 10471 transitions. [2019-12-18 23:51:23,921 INFO L78 Accepts]: Start accepts. Automaton has 3168 states and 10471 transitions. Word has length 14 [2019-12-18 23:51:23,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:51:23,922 INFO L462 AbstractCegarLoop]: Abstraction has 3168 states and 10471 transitions. [2019-12-18 23:51:23,922 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:51:23,922 INFO L276 IsEmpty]: Start isEmpty. Operand 3168 states and 10471 transitions. [2019-12-18 23:51:23,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-18 23:51:23,924 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:51:23,925 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:51:23,925 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:51:23,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:51:23,925 INFO L82 PathProgramCache]: Analyzing trace with hash 876305141, now seen corresponding path program 1 times [2019-12-18 23:51:23,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:51:23,926 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250719208] [2019-12-18 23:51:23,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:51:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:51:23,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-18 23:51:23,982 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250719208] [2019-12-18 23:51:23,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:51:23,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 23:51:23,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416413864] [2019-12-18 23:51:23,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:51:23,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:51:23,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:51:23,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:51:23,984 INFO L87 Difference]: Start difference. First operand 3168 states and 10471 transitions. Second operand 3 states. [2019-12-18 23:51:24,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:51:24,045 INFO L93 Difference]: Finished difference Result 1950 states and 6377 transitions. [2019-12-18 23:51:24,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:51:24,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-12-18 23:51:24,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:51:24,061 INFO L225 Difference]: With dead ends: 1950 [2019-12-18 23:51:24,061 INFO L226 Difference]: Without dead ends: 1950 [2019-12-18 23:51:24,064 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:51:24,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2019-12-18 23:51:24,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1950. [2019-12-18 23:51:24,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1950 states. [2019-12-18 23:51:24,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1950 states and 6377 transitions. [2019-12-18 23:51:24,134 INFO L78 Accepts]: Start accepts. Automaton has 1950 states and 6377 transitions. Word has length 22 [2019-12-18 23:51:24,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:51:24,135 INFO L462 AbstractCegarLoop]: Abstraction has 1950 states and 6377 transitions. [2019-12-18 23:51:24,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:51:24,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 6377 transitions. [2019-12-18 23:51:24,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-18 23:51:24,145 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:51:24,145 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:51:24,145 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:51:24,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:51:24,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1520303663, now seen corresponding path program 1 times [2019-12-18 23:51:24,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:51:24,146 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733464587] [2019-12-18 23:51:24,147 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:51:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 23:51:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 23:51:24,208 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 23:51:24,208 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 23:51:24,209 WARN L364 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-18 23:51:24,209 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2019-12-18 23:51:24,219 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,219 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,220 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,220 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,220 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,220 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,221 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,221 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,221 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,221 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,222 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,222 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,222 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,222 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,222 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,222 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,223 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,223 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,224 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,224 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,224 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,224 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,224 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,225 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,225 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,225 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,226 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,226 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,228 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,228 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,228 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,228 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,233 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,233 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,234 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,234 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,236 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,236 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,237 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,237 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:24,240 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-18 23:51:24,240 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 23:51:24,240 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 23:51:24,240 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 23:51:24,240 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 23:51:24,241 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 23:51:24,241 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 23:51:24,241 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 23:51:24,241 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 23:51:24,243 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 62 places, 58 transitions [2019-12-18 23:51:42,324 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 72997 states. [2019-12-18 23:51:42,324 INFO L276 IsEmpty]: Start isEmpty. Operand 72997 states. [2019-12-18 23:51:42,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 23:51:42,324 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:51:42,325 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:51:42,325 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 23:51:42,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:51:42,325 INFO L82 PathProgramCache]: Analyzing trace with hash 828751989, now seen corresponding path program 1 times [2019-12-18 23:51:42,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:51:42,326 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464339030] [2019-12-18 23:51:42,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:51:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:51:42,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:51:42,364 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464339030] [2019-12-18 23:51:42,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:51:42,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 23:51:42,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847891277] [2019-12-18 23:51:42,365 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:51:42,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:51:42,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:51:42,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:51:42,366 INFO L87 Difference]: Start difference. First operand 72997 states. Second operand 3 states. [2019-12-18 23:51:42,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:51:42,783 INFO L93 Difference]: Finished difference Result 30196 states and 126907 transitions. [2019-12-18 23:51:42,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:51:42,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-12-18 23:51:42,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:51:42,998 INFO L225 Difference]: With dead ends: 30196 [2019-12-18 23:51:42,998 INFO L226 Difference]: Without dead ends: 30196 [2019-12-18 23:51:43,006 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:51:43,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30196 states. [2019-12-18 23:51:45,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30196 to 30196. [2019-12-18 23:51:45,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30196 states. [2019-12-18 23:51:45,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30196 states to 30196 states and 126907 transitions. [2019-12-18 23:51:45,803 INFO L78 Accepts]: Start accepts. Automaton has 30196 states and 126907 transitions. Word has length 14 [2019-12-18 23:51:45,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:51:45,803 INFO L462 AbstractCegarLoop]: Abstraction has 30196 states and 126907 transitions. [2019-12-18 23:51:45,803 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:51:45,803 INFO L276 IsEmpty]: Start isEmpty. Operand 30196 states and 126907 transitions. [2019-12-18 23:51:45,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-18 23:51:45,804 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:51:45,804 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:51:45,805 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 23:51:45,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:51:45,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1408900856, now seen corresponding path program 1 times [2019-12-18 23:51:45,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:51:45,805 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290941176] [2019-12-18 23:51:45,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:51:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:51:45,851 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:51:45,852 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290941176] [2019-12-18 23:51:45,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:51:45,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 23:51:45,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142214519] [2019-12-18 23:51:45,853 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:51:45,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:51:45,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:51:45,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:51:45,854 INFO L87 Difference]: Start difference. First operand 30196 states and 126907 transitions. Second operand 3 states. [2019-12-18 23:51:45,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:51:45,984 INFO L93 Difference]: Finished difference Result 13612 states and 56259 transitions. [2019-12-18 23:51:45,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:51:45,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-12-18 23:51:45,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:51:46,037 INFO L225 Difference]: With dead ends: 13612 [2019-12-18 23:51:46,038 INFO L226 Difference]: Without dead ends: 13612 [2019-12-18 23:51:46,038 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:51:46,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13612 states. [2019-12-18 23:51:46,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13612 to 13612. [2019-12-18 23:51:46,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13612 states. [2019-12-18 23:51:46,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13612 states to 13612 states and 56259 transitions. [2019-12-18 23:51:46,478 INFO L78 Accepts]: Start accepts. Automaton has 13612 states and 56259 transitions. Word has length 22 [2019-12-18 23:51:46,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:51:46,479 INFO L462 AbstractCegarLoop]: Abstraction has 13612 states and 56259 transitions. [2019-12-18 23:51:46,479 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:51:46,479 INFO L276 IsEmpty]: Start isEmpty. Operand 13612 states and 56259 transitions. [2019-12-18 23:51:46,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-18 23:51:46,484 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:51:46,484 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:51:46,484 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 23:51:46,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:51:46,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1372194238, now seen corresponding path program 1 times [2019-12-18 23:51:46,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:51:46,485 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081566626] [2019-12-18 23:51:46,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:51:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 23:51:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 23:51:46,510 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 23:51:46,510 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 23:51:46,511 WARN L364 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-18 23:51:46,511 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2019-12-18 23:51:46,523 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,524 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,524 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,524 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,524 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,524 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,525 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,525 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,525 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,525 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,525 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,526 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,526 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,526 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,526 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,526 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,527 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,527 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,527 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,527 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,527 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,528 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,528 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,528 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,528 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,529 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,529 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,529 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,529 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,529 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,530 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,530 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,530 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,530 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,532 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,532 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,533 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,533 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,535 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,535 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,535 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,535 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,537 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,537 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,537 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,538 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,539 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,540 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,540 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,540 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:51:46,542 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-18 23:51:46,542 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 23:51:46,542 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 23:51:46,542 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 23:51:46,542 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 23:51:46,542 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 23:51:46,543 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 23:51:46,543 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 23:51:46,543 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 23:51:46,545 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 73 places, 68 transitions Received shutdown request... [2019-12-18 23:55:53,504 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-18 23:55:53,508 WARN L227 ceAbstractionStarter]: Timeout [2019-12-18 23:55:53,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 11:55:53 BasicIcfg [2019-12-18 23:55:53,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 23:55:53,511 INFO L168 Benchmark]: Toolchain (without parser) took 272597.85 ms. Allocated memory was 138.9 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 100.7 MB in the beginning and 948.1 MB in the end (delta: -847.4 MB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2019-12-18 23:55:53,512 INFO L168 Benchmark]: CDTParser took 1.37 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-18 23:55:53,513 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.27 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 100.5 MB in the beginning and 160.1 MB in the end (delta: -59.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-12-18 23:55:53,514 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.94 ms. Allocated memory is still 200.3 MB. Free memory was 160.1 MB in the beginning and 158.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-18 23:55:53,514 INFO L168 Benchmark]: Boogie Preprocessor took 39.36 ms. Allocated memory is still 200.3 MB. Free memory was 158.1 MB in the beginning and 156.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-18 23:55:53,515 INFO L168 Benchmark]: RCFGBuilder took 363.23 ms. Allocated memory is still 200.3 MB. Free memory was 156.8 MB in the beginning and 141.2 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-12-18 23:55:53,516 INFO L168 Benchmark]: TraceAbstraction took 271492.59 ms. Allocated memory was 200.3 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 141.2 MB in the beginning and 948.1 MB in the end (delta: -806.9 MB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2019-12-18 23:55:53,521 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 625.27 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 100.5 MB in the beginning and 160.1 MB in the end (delta: -59.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 66.94 ms. Allocated memory is still 200.3 MB. Free memory was 160.1 MB in the beginning and 158.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.36 ms. Allocated memory is still 200.3 MB. Free memory was 158.1 MB in the beginning and 156.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 363.23 ms. Allocated memory is still 200.3 MB. Free memory was 156.8 MB in the beginning and 141.2 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 271492.59 ms. Allocated memory was 200.3 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 141.2 MB in the beginning and 948.1 MB in the end (delta: -806.9 MB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 677]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 677). Cancelled while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 73 places, 68 transitions. Already constructed 298012 states. Currently 53739 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 26 locations, 1 error locations. Result: TIMEOUT, OverallTime: 246.9s, 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