/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/31_simple_loop5_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 08:49:11,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 08:49:11,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 08:49:11,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 08:49:11,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 08:49:11,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 08:49:11,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 08:49:11,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 08:49:11,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 08:49:11,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 08:49:11,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 08:49:11,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 08:49:11,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 08:49:11,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 08:49:11,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 08:49:11,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 08:49:11,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 08:49:11,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 08:49:11,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 08:49:11,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 08:49:11,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 08:49:11,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 08:49:11,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 08:49:11,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 08:49:11,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 08:49:11,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 08:49:11,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 08:49:11,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 08:49:11,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 08:49:11,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 08:49:11,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 08:49:11,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 08:49:11,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 08:49:11,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 08:49:11,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 08:49:11,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 08:49:11,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 08:49:11,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 08:49:11,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 08:49:11,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 08:49:11,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 08:49:11,594 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 [2019-12-27 08:49:11,608 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 08:49:11,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 08:49:11,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 08:49:11,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 08:49:11,610 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 08:49:11,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 08:49:11,610 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 08:49:11,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 08:49:11,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 08:49:11,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 08:49:11,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 08:49:11,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 08:49:11,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 08:49:11,611 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 08:49:11,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 08:49:11,612 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 08:49:11,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 08:49:11,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 08:49:11,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 08:49:11,613 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 08:49:11,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 08:49:11,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 08:49:11,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 08:49:11,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 08:49:11,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 08:49:11,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 08:49:11,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 08:49:11,614 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-27 08:49:11,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 08:49:11,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 08:49:11,881 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 08:49:11,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 08:49:11,903 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 08:49:11,905 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 08:49:11,905 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 08:49:11,906 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/31_simple_loop5_vs.i [2019-12-27 08:49:11,987 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6187440c3/4d25cd868a2642a6b8f69fd280c5ff8d/FLAG762663315 [2019-12-27 08:49:12,547 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 08:49:12,548 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/31_simple_loop5_vs.i [2019-12-27 08:49:12,563 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6187440c3/4d25cd868a2642a6b8f69fd280c5ff8d/FLAG762663315 [2019-12-27 08:49:12,847 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6187440c3/4d25cd868a2642a6b8f69fd280c5ff8d [2019-12-27 08:49:12,856 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 08:49:12,858 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 08:49:12,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 08:49:12,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 08:49:12,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 08:49:12,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 08:49:12" (1/1) ... [2019-12-27 08:49:12,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ad31de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:49:12, skipping insertion in model container [2019-12-27 08:49:12,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 08:49:12" (1/1) ... [2019-12-27 08:49:12,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 08:49:12,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 08:49:13,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 08:49:13,377 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 08:49:13,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 08:49:13,502 INFO L208 MainTranslator]: Completed translation [2019-12-27 08:49:13,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:49:13 WrapperNode [2019-12-27 08:49:13,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 08:49:13,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 08:49:13,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 08:49:13,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 08:49:13,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:49:13" (1/1) ... [2019-12-27 08:49:13,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:49:13" (1/1) ... [2019-12-27 08:49:13,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 08:49:13,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 08:49:13,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 08:49:13,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 08:49:13,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:49:13" (1/1) ... [2019-12-27 08:49:13,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:49:13" (1/1) ... [2019-12-27 08:49:13,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:49:13" (1/1) ... [2019-12-27 08:49:13,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:49:13" (1/1) ... [2019-12-27 08:49:13,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:49:13" (1/1) ... [2019-12-27 08:49:13,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:49:13" (1/1) ... [2019-12-27 08:49:13,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:49:13" (1/1) ... [2019-12-27 08:49:13,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 08:49:13,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 08:49:13,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 08:49:13,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 08:49:13,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:49:13" (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 08:49:13,645 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-12-27 08:49:13,645 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-12-27 08:49:13,645 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-27 08:49:13,646 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-27 08:49:13,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 08:49:13,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 08:49:13,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 08:49:13,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 08:49:13,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 08:49:13,648 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 08:49:13,780 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-12-27 08:49:13,783 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-12-27 08:49:13,879 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-12-27 08:49:13,885 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-12-27 08:49:13,985 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 08:49:13,986 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-27 08:49:13,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 08:49:13 BoogieIcfgContainer [2019-12-27 08:49:13,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 08:49:13,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 08:49:13,988 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 08:49:13,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 08:49:13,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 08:49:12" (1/3) ... [2019-12-27 08:49:13,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134fe7f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 08:49:13, skipping insertion in model container [2019-12-27 08:49:13,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:49:13" (2/3) ... [2019-12-27 08:49:13,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134fe7f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 08:49:13, skipping insertion in model container [2019-12-27 08:49:13,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 08:49:13" (3/3) ... [2019-12-27 08:49:13,995 INFO L109 eAbstractionObserver]: Analyzing ICFG 31_simple_loop5_vs.i [2019-12-27 08:49:14,005 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 08:49:14,005 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 08:49:14,013 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 08:49:14,014 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 08:49:14,039 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,040 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,040 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,040 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,041 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,041 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,042 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,042 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,043 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,043 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,043 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,044 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,048 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,048 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,048 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,049 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,054 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,055 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,055 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,055 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,069 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-27 08:49:14,086 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:49:14,086 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:49:14,086 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:49:14,087 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:49:14,087 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:49:14,087 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:49:14,087 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:49:14,087 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:49:14,098 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 47 transitions [2019-12-27 08:49:14,167 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 904 states. [2019-12-27 08:49:14,170 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states. [2019-12-27 08:49:14,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-27 08:49:14,178 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:49:14,180 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:49:14,180 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 08:49:14,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:49:14,187 INFO L82 PathProgramCache]: Analyzing trace with hash 646988620, now seen corresponding path program 1 times [2019-12-27 08:49:14,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:49:14,198 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631370085] [2019-12-27 08:49:14,199 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:49:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:49:14,436 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 08:49:14,436 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631370085] [2019-12-27 08:49:14,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:49:14,438 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 08:49:14,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139651634] [2019-12-27 08:49:14,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 08:49:14,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:49:14,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 08:49:14,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 08:49:14,459 INFO L87 Difference]: Start difference. First operand 904 states. Second operand 4 states. [2019-12-27 08:49:14,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:49:14,563 INFO L93 Difference]: Finished difference Result 259 states and 689 transitions. [2019-12-27 08:49:14,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 08:49:14,568 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-27 08:49:14,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:49:14,587 INFO L225 Difference]: With dead ends: 259 [2019-12-27 08:49:14,588 INFO L226 Difference]: Without dead ends: 259 [2019-12-27 08:49:14,589 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 08:49:14,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2019-12-27 08:49:14,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2019-12-27 08:49:14,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2019-12-27 08:49:14,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 689 transitions. [2019-12-27 08:49:14,666 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 689 transitions. Word has length 17 [2019-12-27 08:49:14,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:49:14,667 INFO L462 AbstractCegarLoop]: Abstraction has 259 states and 689 transitions. [2019-12-27 08:49:14,667 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 08:49:14,667 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 689 transitions. [2019-12-27 08:49:14,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-27 08:49:14,668 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:49:14,669 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:49:14,669 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 08:49:14,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:49:14,670 INFO L82 PathProgramCache]: Analyzing trace with hash 511467436, now seen corresponding path program 1 times [2019-12-27 08:49:14,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:49:14,670 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899989237] [2019-12-27 08:49:14,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:49:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:49:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:49:14,757 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 08:49:14,757 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 08:49:14,759 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 08:49:14,759 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-27 08:49:14,773 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,774 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,774 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,774 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,775 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,775 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,776 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,776 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,776 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,776 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,777 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,777 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,778 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,778 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,778 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,779 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,779 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,779 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,780 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,780 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,780 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,781 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,781 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,781 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,782 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,782 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,783 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,783 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,785 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,786 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,786 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,786 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,789 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,790 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,790 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,790 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,793 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,794 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,794 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,794 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:14,797 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 08:49:14,798 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:49:14,798 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:49:14,798 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:49:14,798 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:49:14,798 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:49:14,798 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:49:14,799 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:49:14,799 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:49:14,802 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 69 places, 70 transitions [2019-12-27 08:49:15,376 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8113 states. [2019-12-27 08:49:15,376 INFO L276 IsEmpty]: Start isEmpty. Operand 8113 states. [2019-12-27 08:49:15,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-27 08:49:15,377 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:49:15,377 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:49:15,378 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:49:15,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:49:15,378 INFO L82 PathProgramCache]: Analyzing trace with hash -227232472, now seen corresponding path program 1 times [2019-12-27 08:49:15,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:49:15,379 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156550147] [2019-12-27 08:49:15,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:49:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:49:15,462 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 08:49:15,466 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156550147] [2019-12-27 08:49:15,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:49:15,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 08:49:15,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061685403] [2019-12-27 08:49:15,467 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 08:49:15,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:49:15,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 08:49:15,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 08:49:15,471 INFO L87 Difference]: Start difference. First operand 8113 states. Second operand 4 states. [2019-12-27 08:49:15,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:49:15,591 INFO L93 Difference]: Finished difference Result 1583 states and 5803 transitions. [2019-12-27 08:49:15,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 08:49:15,592 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-27 08:49:15,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:49:15,612 INFO L225 Difference]: With dead ends: 1583 [2019-12-27 08:49:15,612 INFO L226 Difference]: Without dead ends: 1583 [2019-12-27 08:49:15,613 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 08:49:15,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2019-12-27 08:49:15,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1583. [2019-12-27 08:49:15,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1583 states. [2019-12-27 08:49:15,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 5803 transitions. [2019-12-27 08:49:15,751 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 5803 transitions. Word has length 17 [2019-12-27 08:49:15,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:49:15,752 INFO L462 AbstractCegarLoop]: Abstraction has 1583 states and 5803 transitions. [2019-12-27 08:49:15,752 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 08:49:15,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 5803 transitions. [2019-12-27 08:49:15,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-27 08:49:15,754 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:49:15,755 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:49:15,755 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:49:15,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:49:15,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1958491439, now seen corresponding path program 1 times [2019-12-27 08:49:15,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:49:15,756 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233107152] [2019-12-27 08:49:15,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:49:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:49:15,808 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 08:49:15,809 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233107152] [2019-12-27 08:49:15,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:49:15,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 08:49:15,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230767616] [2019-12-27 08:49:15,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:49:15,811 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:49:15,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:49:15,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:49:15,812 INFO L87 Difference]: Start difference. First operand 1583 states and 5803 transitions. Second operand 3 states. [2019-12-27 08:49:15,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:49:15,846 INFO L93 Difference]: Finished difference Result 543 states and 1507 transitions. [2019-12-27 08:49:15,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:49:15,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-12-27 08:49:15,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:49:15,851 INFO L225 Difference]: With dead ends: 543 [2019-12-27 08:49:15,851 INFO L226 Difference]: Without dead ends: 543 [2019-12-27 08:49:15,854 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 [2019-12-27 08:49:15,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2019-12-27 08:49:15,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 447. [2019-12-27 08:49:15,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2019-12-27 08:49:15,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 1243 transitions. [2019-12-27 08:49:15,873 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 1243 transitions. Word has length 25 [2019-12-27 08:49:15,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:49:15,874 INFO L462 AbstractCegarLoop]: Abstraction has 447 states and 1243 transitions. [2019-12-27 08:49:15,874 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:49:15,875 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 1243 transitions. [2019-12-27 08:49:15,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-27 08:49:15,880 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:49:15,880 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:49:15,880 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:49:15,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:49:15,880 INFO L82 PathProgramCache]: Analyzing trace with hash 502610814, now seen corresponding path program 1 times [2019-12-27 08:49:15,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:49:15,881 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702232710] [2019-12-27 08:49:15,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:49:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:49:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:49:15,951 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 08:49:15,951 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 08:49:15,952 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 08:49:15,952 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-27 08:49:15,964 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,964 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,965 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,965 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,965 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,965 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,966 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,966 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,966 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,966 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,966 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,967 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,967 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,967 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,967 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,967 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,968 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,968 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,968 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,969 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,969 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,969 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,969 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,969 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,970 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,970 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,970 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,970 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,971 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,971 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,971 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,971 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,972 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,972 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,972 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,972 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,973 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,973 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,973 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,974 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,975 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,976 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,976 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,976 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,981 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,982 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,982 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,982 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,984 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,984 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,984 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,985 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,987 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,987 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,987 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,988 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,989 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,990 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,990 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,990 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:15,992 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 08:49:15,992 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:49:15,992 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:49:15,992 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:49:15,992 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:49:15,993 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:49:15,993 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:49:15,993 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:49:15,993 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:49:15,996 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 91 places, 93 transitions [2019-12-27 08:49:32,614 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 72994 states. [2019-12-27 08:49:32,615 INFO L276 IsEmpty]: Start isEmpty. Operand 72994 states. [2019-12-27 08:49:32,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-27 08:49:32,615 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:49:32,615 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:49:32,616 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:49:32,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:49:32,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1579205925, now seen corresponding path program 1 times [2019-12-27 08:49:32,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:49:32,617 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167520844] [2019-12-27 08:49:32,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:49:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:49:32,667 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 08:49:32,667 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167520844] [2019-12-27 08:49:32,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:49:32,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 08:49:32,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264458183] [2019-12-27 08:49:32,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 08:49:32,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:49:32,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 08:49:32,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 08:49:32,669 INFO L87 Difference]: Start difference. First operand 72994 states. Second operand 4 states. [2019-12-27 08:49:32,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:49:32,876 INFO L93 Difference]: Finished difference Result 9039 states and 42085 transitions. [2019-12-27 08:49:32,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 08:49:32,877 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-27 08:49:32,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:49:32,981 INFO L225 Difference]: With dead ends: 9039 [2019-12-27 08:49:32,981 INFO L226 Difference]: Without dead ends: 9039 [2019-12-27 08:49:32,982 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 08:49:33,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9039 states. [2019-12-27 08:49:33,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9039 to 9039. [2019-12-27 08:49:33,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9039 states. [2019-12-27 08:49:33,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9039 states to 9039 states and 42085 transitions. [2019-12-27 08:49:33,434 INFO L78 Accepts]: Start accepts. Automaton has 9039 states and 42085 transitions. Word has length 17 [2019-12-27 08:49:33,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:49:33,434 INFO L462 AbstractCegarLoop]: Abstraction has 9039 states and 42085 transitions. [2019-12-27 08:49:33,435 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 08:49:33,435 INFO L276 IsEmpty]: Start isEmpty. Operand 9039 states and 42085 transitions. [2019-12-27 08:49:33,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-27 08:49:33,436 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:49:33,436 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:49:33,436 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:49:33,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:49:33,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1761595179, now seen corresponding path program 1 times [2019-12-27 08:49:33,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:49:33,437 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418235471] [2019-12-27 08:49:33,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:49:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:49:33,495 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 08:49:33,496 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418235471] [2019-12-27 08:49:33,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:49:33,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 08:49:33,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20303073] [2019-12-27 08:49:33,497 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:49:33,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:49:33,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:49:33,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:49:33,498 INFO L87 Difference]: Start difference. First operand 9039 states and 42085 transitions. Second operand 3 states. [2019-12-27 08:49:33,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:49:33,549 INFO L93 Difference]: Finished difference Result 1551 states and 5125 transitions. [2019-12-27 08:49:33,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:49:33,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-12-27 08:49:33,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:49:33,557 INFO L225 Difference]: With dead ends: 1551 [2019-12-27 08:49:33,557 INFO L226 Difference]: Without dead ends: 1551 [2019-12-27 08:49:33,558 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 [2019-12-27 08:49:33,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2019-12-27 08:49:33,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1231. [2019-12-27 08:49:33,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1231 states. [2019-12-27 08:49:33,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 4101 transitions. [2019-12-27 08:49:33,599 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 4101 transitions. Word has length 25 [2019-12-27 08:49:33,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:49:33,599 INFO L462 AbstractCegarLoop]: Abstraction has 1231 states and 4101 transitions. [2019-12-27 08:49:33,599 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:49:33,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 4101 transitions. [2019-12-27 08:49:33,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-27 08:49:33,601 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:49:33,601 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:49:33,601 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:49:33,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:49:33,601 INFO L82 PathProgramCache]: Analyzing trace with hash -2127597374, now seen corresponding path program 1 times [2019-12-27 08:49:33,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:49:33,602 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546808432] [2019-12-27 08:49:33,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:49:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:49:33,683 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 08:49:33,683 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546808432] [2019-12-27 08:49:33,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:49:33,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 08:49:33,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227211231] [2019-12-27 08:49:33,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 08:49:33,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:49:33,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 08:49:33,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-27 08:49:33,686 INFO L87 Difference]: Start difference. First operand 1231 states and 4101 transitions. Second operand 6 states. [2019-12-27 08:49:33,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:49:33,843 INFO L93 Difference]: Finished difference Result 2395 states and 7925 transitions. [2019-12-27 08:49:33,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-27 08:49:33,845 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2019-12-27 08:49:33,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:49:33,855 INFO L225 Difference]: With dead ends: 2395 [2019-12-27 08:49:33,855 INFO L226 Difference]: Without dead ends: 2395 [2019-12-27 08:49:33,855 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-12-27 08:49:33,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2395 states. [2019-12-27 08:49:33,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2395 to 2075. [2019-12-27 08:49:33,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2075 states. [2019-12-27 08:49:33,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2075 states to 2075 states and 6901 transitions. [2019-12-27 08:49:33,917 INFO L78 Accepts]: Start accepts. Automaton has 2075 states and 6901 transitions. Word has length 27 [2019-12-27 08:49:33,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:49:33,917 INFO L462 AbstractCegarLoop]: Abstraction has 2075 states and 6901 transitions. [2019-12-27 08:49:33,917 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 08:49:33,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 6901 transitions. [2019-12-27 08:49:33,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-27 08:49:33,919 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:49:33,920 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:49:33,920 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:49:33,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:49:33,920 INFO L82 PathProgramCache]: Analyzing trace with hash -186680494, now seen corresponding path program 1 times [2019-12-27 08:49:33,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:49:33,921 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136359680] [2019-12-27 08:49:33,921 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:49:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:49:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:49:33,951 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 08:49:33,954 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 08:49:33,954 WARN L364 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 08:49:33,954 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2019-12-27 08:49:33,973 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,973 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,973 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,974 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,974 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,974 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,974 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,975 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,975 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,975 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,976 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,976 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,976 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,977 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,977 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,977 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,977 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,977 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,978 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,978 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,978 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,978 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,978 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,978 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,979 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,979 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,979 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,979 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,980 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,980 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,980 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,980 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,980 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,981 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,982 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,982 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,985 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,985 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,986 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,986 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,988 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,988 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,988 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,989 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,989 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,989 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,989 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,990 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,991 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,991 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,991 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,991 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,993 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,993 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,993 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,994 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,995 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,996 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,996 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,996 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,999 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,999 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:33,999 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:34,000 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:34,001 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:34,002 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:34,002 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:34,002 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:34,007 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:34,007 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:34,007 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:34,007 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:34,009 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:34,010 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:34,010 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:34,010 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:34,012 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:34,012 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:34,012 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:34,012 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:49:34,014 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-27 08:49:34,014 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:49:34,015 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:49:34,015 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:49:34,015 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:49:34,015 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:49:34,015 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:49:34,015 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:49:34,015 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:49:34,017 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 113 places, 116 transitions Received shutdown request... [2019-12-27 08:53:45,781 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 08:53:45,785 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 08:53:45,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 08:53:45 BasicIcfg [2019-12-27 08:53:45,785 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 08:53:45,788 INFO L168 Benchmark]: Toolchain (without parser) took 272929.57 ms. Allocated memory was 138.9 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 101.4 MB in the beginning and 624.3 MB in the end (delta: -522.9 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2019-12-27 08:53:45,789 INFO L168 Benchmark]: CDTParser took 1.70 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-27 08:53:45,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.21 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 101.0 MB in the beginning and 163.3 MB in the end (delta: -62.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2019-12-27 08:53:45,791 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.17 ms. Allocated memory is still 203.4 MB. Free memory was 163.3 MB in the beginning and 160.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-12-27 08:53:45,791 INFO L168 Benchmark]: Boogie Preprocessor took 29.08 ms. Allocated memory is still 203.4 MB. Free memory was 160.3 MB in the beginning and 159.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-27 08:53:45,792 INFO L168 Benchmark]: RCFGBuilder took 406.61 ms. Allocated memory is still 203.4 MB. Free memory was 159.0 MB in the beginning and 140.6 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2019-12-27 08:53:45,793 INFO L168 Benchmark]: TraceAbstraction took 271797.19 ms. Allocated memory was 203.4 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 140.6 MB in the beginning and 624.3 MB in the end (delta: -483.7 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2019-12-27 08:53:45,808 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.70 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 644.21 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 101.0 MB in the beginning and 163.3 MB in the end (delta: -62.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 47.17 ms. Allocated memory is still 203.4 MB. Free memory was 163.3 MB in the beginning and 160.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.08 ms. Allocated memory is still 203.4 MB. Free memory was 160.3 MB in the beginning and 159.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 406.61 ms. Allocated memory is still 203.4 MB. Free memory was 159.0 MB in the beginning and 140.6 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 271797.19 ms. Allocated memory was 203.4 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 140.6 MB in the beginning and 624.3 MB in the end (delta: -483.7 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 706]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 706). Cancelled while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 113 places, 116 transitions. Already constructed 315800 states. Currently 61823 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 41 locations, 1 error locations. Result: TIMEOUT, OverallTime: 251.7s, 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