/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/14_spin2003.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 08:46:40,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 08:46:40,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 08:46:40,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 08:46:40,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 08:46:40,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 08:46:40,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 08:46:40,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 08:46:40,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 08:46:40,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 08:46:40,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 08:46:40,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 08:46:40,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 08:46:40,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 08:46:40,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 08:46:40,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 08:46:40,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 08:46:40,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 08:46:40,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 08:46:40,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 08:46:40,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 08:46:40,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 08:46:40,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 08:46:40,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 08:46:40,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 08:46:40,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 08:46:40,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 08:46:40,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 08:46:40,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 08:46:40,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 08:46:40,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 08:46:40,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 08:46:40,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 08:46:40,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 08:46:40,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 08:46:40,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 08:46:40,807 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 08:46:40,822 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 08:46:40,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 08:46:40,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 08:46:40,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 08:46:40,824 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 08:46:40,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 08:46:40,824 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 08:46:40,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 08:46:40,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 08:46:40,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 08:46:40,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 08:46:40,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 08:46:40,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 08:46:40,825 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 08:46:40,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 08:46:40,826 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 08:46:40,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 08:46:40,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 08:46:40,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 08:46:40,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 08:46:40,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 08:46:40,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 08:46:40,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 08:46:40,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 08:46:40,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 08:46:40,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 08:46:40,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 08:46:40,828 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-27 08:46:40,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 08:46:40,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 08:46:41,123 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 08:46:41,142 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 08:46:41,146 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 08:46:41,147 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 08:46:41,147 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 08:46:41,149 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/14_spin2003.i [2019-12-27 08:46:41,225 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d29483111/08f2943529ed4a80af10e5a3e1a1dcaa/FLAG457c87b0c [2019-12-27 08:46:41,796 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 08:46:41,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/14_spin2003.i [2019-12-27 08:46:41,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d29483111/08f2943529ed4a80af10e5a3e1a1dcaa/FLAG457c87b0c [2019-12-27 08:46:42,067 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d29483111/08f2943529ed4a80af10e5a3e1a1dcaa [2019-12-27 08:46:42,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 08:46:42,080 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 08:46:42,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 08:46:42,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 08:46:42,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 08:46:42,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 08:46:42" (1/1) ... [2019-12-27 08:46:42,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c02b278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:42, skipping insertion in model container [2019-12-27 08:46:42,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 08:46:42" (1/1) ... [2019-12-27 08:46:42,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 08:46:42,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 08:46:42,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 08:46:42,618 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 08:46:42,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 08:46:42,778 INFO L208 MainTranslator]: Completed translation [2019-12-27 08:46:42,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:42 WrapperNode [2019-12-27 08:46:42,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 08:46:42,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 08:46:42,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 08:46:42,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 08:46:42,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:42" (1/1) ... [2019-12-27 08:46:42,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:42" (1/1) ... [2019-12-27 08:46:42,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 08:46:42,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 08:46:42,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 08:46:42,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 08:46:42,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:42" (1/1) ... [2019-12-27 08:46:42,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:42" (1/1) ... [2019-12-27 08:46:42,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:42" (1/1) ... [2019-12-27 08:46:42,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:42" (1/1) ... [2019-12-27 08:46:42,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:42" (1/1) ... [2019-12-27 08:46:42,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:42" (1/1) ... [2019-12-27 08:46:42,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:42" (1/1) ... [2019-12-27 08:46:42,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 08:46:42,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 08:46:42,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 08:46:42,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 08:46:42,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:42" (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 08:46:42,937 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-27 08:46:42,938 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-27 08:46:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 08:46:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 08:46:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 08:46:42,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 08:46:42,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 08:46:42,940 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 08:46:43,101 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-12-27 08:46:43,108 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-12-27 08:46:43,246 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 08:46:43,247 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-27 08:46:43,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 08:46:43 BoogieIcfgContainer [2019-12-27 08:46:43,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 08:46:43,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 08:46:43,250 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 08:46:43,253 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 08:46:43,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 08:46:42" (1/3) ... [2019-12-27 08:46:43,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d9e86ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 08:46:43, skipping insertion in model container [2019-12-27 08:46:43,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:46:42" (2/3) ... [2019-12-27 08:46:43,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d9e86ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 08:46:43, skipping insertion in model container [2019-12-27 08:46:43,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 08:46:43" (3/3) ... [2019-12-27 08:46:43,257 INFO L109 eAbstractionObserver]: Analyzing ICFG 14_spin2003.i [2019-12-27 08:46:43,268 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 08:46:43,268 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 08:46:43,275 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 08:46:43,276 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 08:46:43,300 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,302 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,302 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,303 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,305 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,305 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,309 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,310 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,310 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,310 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,328 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 08:46:43,346 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:46:43,346 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:46:43,346 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:46:43,347 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:46:43,347 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:46:43,347 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:46:43,347 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:46:43,347 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:46:43,357 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 29 transitions [2019-12-27 08:46:43,377 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 116 states. [2019-12-27 08:46:43,380 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2019-12-27 08:46:43,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-27 08:46:43,389 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:46:43,390 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:46:43,390 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 08:46:43,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:46:43,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1794037612, now seen corresponding path program 1 times [2019-12-27 08:46:43,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:46:43,407 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376378025] [2019-12-27 08:46:43,407 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:46:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:46:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:46:43,565 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 08:46:43,566 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 08:46:43,567 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 08:46:43,567 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-27 08:46:43,576 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,576 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,576 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,577 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,577 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,578 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,578 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,579 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,579 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,579 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,580 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,580 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,581 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,581 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,581 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,581 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,584 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,585 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,585 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,585 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:43,588 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-27 08:46:43,588 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:46:43,588 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:46:43,589 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:46:43,589 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:46:43,589 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:46:43,589 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:46:43,589 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:46:43,590 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:46:43,592 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 42 places, 40 transitions [2019-12-27 08:46:43,659 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1106 states. [2019-12-27 08:46:43,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states. [2019-12-27 08:46:43,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-27 08:46:43,663 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:46:43,663 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:46:43,663 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:46:43,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:46:43,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1898529521, now seen corresponding path program 1 times [2019-12-27 08:46:43,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:46:43,665 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56799303] [2019-12-27 08:46:43,665 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:46:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:46:43,796 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 08:46:43,797 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56799303] [2019-12-27 08:46:43,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:46:43,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 08:46:43,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038150115] [2019-12-27 08:46:43,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:46:43,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:46:43,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:46:43,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:46:43,823 INFO L87 Difference]: Start difference. First operand 1106 states. Second operand 3 states. [2019-12-27 08:46:43,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:46:43,907 INFO L93 Difference]: Finished difference Result 533 states and 1283 transitions. [2019-12-27 08:46:43,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:46:43,909 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-12-27 08:46:43,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:46:43,932 INFO L225 Difference]: With dead ends: 533 [2019-12-27 08:46:43,933 INFO L226 Difference]: Without dead ends: 533 [2019-12-27 08:46:43,935 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 08:46:43,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2019-12-27 08:46:44,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 493. [2019-12-27 08:46:44,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2019-12-27 08:46:44,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 1181 transitions. [2019-12-27 08:46:44,040 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 1181 transitions. Word has length 16 [2019-12-27 08:46:44,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:46:44,041 INFO L462 AbstractCegarLoop]: Abstraction has 493 states and 1181 transitions. [2019-12-27 08:46:44,041 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:46:44,042 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 1181 transitions. [2019-12-27 08:46:44,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-27 08:46:44,043 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:46:44,043 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:46:44,044 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:46:44,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:46:44,044 INFO L82 PathProgramCache]: Analyzing trace with hash -896645754, now seen corresponding path program 1 times [2019-12-27 08:46:44,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:46:44,045 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046159893] [2019-12-27 08:46:44,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:46:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:46:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:46:44,083 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 08:46:44,083 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 08:46:44,085 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 08:46:44,085 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-27 08:46:44,097 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,097 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,097 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,098 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,099 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,099 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,100 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,120 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,121 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,121 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,122 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,122 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,122 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,122 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,123 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,126 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,127 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,127 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,127 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,129 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,129 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,130 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,133 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,134 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,134 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,134 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,136 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,136 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,137 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,137 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:44,145 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 08:46:44,146 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:46:44,146 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:46:44,146 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:46:44,146 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:46:44,146 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:46:44,146 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:46:44,147 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:46:44,147 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:46:44,149 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 51 transitions [2019-12-27 08:46:45,092 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 11006 states. [2019-12-27 08:46:45,092 INFO L276 IsEmpty]: Start isEmpty. Operand 11006 states. [2019-12-27 08:46:45,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-27 08:46:45,093 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:46:45,094 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:46:45,094 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:46:45,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:46:45,095 INFO L82 PathProgramCache]: Analyzing trace with hash -668513241, now seen corresponding path program 1 times [2019-12-27 08:46:45,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:46:45,095 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788193049] [2019-12-27 08:46:45,095 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:46:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:46:45,182 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 08:46:45,182 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788193049] [2019-12-27 08:46:45,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:46:45,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 08:46:45,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561299717] [2019-12-27 08:46:45,183 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:46:45,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:46:45,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:46:45,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:46:45,186 INFO L87 Difference]: Start difference. First operand 11006 states. Second operand 3 states. [2019-12-27 08:46:45,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:46:45,302 INFO L93 Difference]: Finished difference Result 6205 states and 20135 transitions. [2019-12-27 08:46:45,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:46:45,303 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-12-27 08:46:45,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:46:45,361 INFO L225 Difference]: With dead ends: 6205 [2019-12-27 08:46:45,362 INFO L226 Difference]: Without dead ends: 6205 [2019-12-27 08:46:45,362 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 08:46:45,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6205 states. [2019-12-27 08:46:45,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6205 to 5393. [2019-12-27 08:46:45,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5393 states. [2019-12-27 08:46:45,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5393 states to 5393 states and 17458 transitions. [2019-12-27 08:46:45,813 INFO L78 Accepts]: Start accepts. Automaton has 5393 states and 17458 transitions. Word has length 16 [2019-12-27 08:46:45,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:46:45,813 INFO L462 AbstractCegarLoop]: Abstraction has 5393 states and 17458 transitions. [2019-12-27 08:46:45,813 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:46:45,813 INFO L276 IsEmpty]: Start isEmpty. Operand 5393 states and 17458 transitions. [2019-12-27 08:46:45,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-27 08:46:45,821 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:46:45,821 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:46:45,821 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:46:45,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:46:45,822 INFO L82 PathProgramCache]: Analyzing trace with hash 917945130, now seen corresponding path program 1 times [2019-12-27 08:46:45,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:46:45,823 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819361717] [2019-12-27 08:46:45,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:46:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:46:45,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-27 08:46:45,918 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819361717] [2019-12-27 08:46:45,918 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:46:45,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 08:46:45,919 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758459551] [2019-12-27 08:46:45,919 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:46:45,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:46:45,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:46:45,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:46:45,921 INFO L87 Difference]: Start difference. First operand 5393 states and 17458 transitions. Second operand 3 states. [2019-12-27 08:46:45,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:46:45,968 INFO L93 Difference]: Finished difference Result 1515 states and 4215 transitions. [2019-12-27 08:46:45,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:46:45,969 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-12-27 08:46:45,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:46:45,980 INFO L225 Difference]: With dead ends: 1515 [2019-12-27 08:46:45,980 INFO L226 Difference]: Without dead ends: 1515 [2019-12-27 08:46:45,984 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 08:46:45,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2019-12-27 08:46:46,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2019-12-27 08:46:46,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1515 states. [2019-12-27 08:46:46,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 4215 transitions. [2019-12-27 08:46:46,033 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 4215 transitions. Word has length 22 [2019-12-27 08:46:46,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:46:46,038 INFO L462 AbstractCegarLoop]: Abstraction has 1515 states and 4215 transitions. [2019-12-27 08:46:46,038 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:46:46,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 4215 transitions. [2019-12-27 08:46:46,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-27 08:46:46,046 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:46:46,046 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:46:46,047 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:46:46,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:46:46,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1980470240, now seen corresponding path program 1 times [2019-12-27 08:46:46,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:46:46,048 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323752300] [2019-12-27 08:46:46,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:46:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:46:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:46:46,122 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 08:46:46,123 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 08:46:46,123 WARN L364 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 08:46:46,123 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2019-12-27 08:46:46,138 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,138 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,138 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,138 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,140 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,140 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,141 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,141 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,142 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,142 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,142 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,143 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,143 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,143 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,144 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,144 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,146 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,146 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,148 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,148 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,148 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,148 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,154 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,155 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,155 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,156 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,156 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,156 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,160 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,160 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,160 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,161 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,165 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,166 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,166 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,166 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,170 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,171 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,171 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,171 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:46:46,174 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 08:46:46,175 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:46:46,175 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:46:46,175 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:46:46,176 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:46:46,176 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:46:46,176 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:46:46,176 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:46:46,176 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:46:46,181 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 62 transitions [2019-12-27 08:47:26,434 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 110006 states. [2019-12-27 08:47:26,434 INFO L276 IsEmpty]: Start isEmpty. Operand 110006 states. [2019-12-27 08:47:26,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-27 08:47:26,435 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:47:26,435 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:47:26,435 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 08:47:26,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:47:26,436 INFO L82 PathProgramCache]: Analyzing trace with hash 706174439, now seen corresponding path program 1 times [2019-12-27 08:47:26,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:47:26,436 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515294218] [2019-12-27 08:47:26,436 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:47:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:47:26,465 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 08:47:26,465 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515294218] [2019-12-27 08:47:26,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:47:26,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 08:47:26,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405719905] [2019-12-27 08:47:26,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:47:26,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:47:26,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:47:26,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:47:26,467 INFO L87 Difference]: Start difference. First operand 110006 states. Second operand 3 states. [2019-12-27 08:47:27,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:47:27,227 INFO L93 Difference]: Finished difference Result 69201 states and 282255 transitions. [2019-12-27 08:47:27,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:47:27,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-12-27 08:47:27,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:47:27,617 INFO L225 Difference]: With dead ends: 69201 [2019-12-27 08:47:27,618 INFO L226 Difference]: Without dead ends: 69201 [2019-12-27 08:47:27,618 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 08:47:30,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69201 states. [2019-12-27 08:47:32,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69201 to 58065. [2019-12-27 08:47:32,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58065 states. [2019-12-27 08:47:32,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58065 states to 58065 states and 237127 transitions. [2019-12-27 08:47:32,810 INFO L78 Accepts]: Start accepts. Automaton has 58065 states and 237127 transitions. Word has length 16 [2019-12-27 08:47:32,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:47:32,811 INFO L462 AbstractCegarLoop]: Abstraction has 58065 states and 237127 transitions. [2019-12-27 08:47:32,811 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:47:32,811 INFO L276 IsEmpty]: Start isEmpty. Operand 58065 states and 237127 transitions. [2019-12-27 08:47:32,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-27 08:47:32,811 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:47:32,812 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:47:32,812 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 08:47:32,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:47:32,812 INFO L82 PathProgramCache]: Analyzing trace with hash -299524102, now seen corresponding path program 1 times [2019-12-27 08:47:32,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:47:32,813 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412034025] [2019-12-27 08:47:32,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:47:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:47:32,859 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 08:47:32,859 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412034025] [2019-12-27 08:47:32,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:47:32,860 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 08:47:32,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206000402] [2019-12-27 08:47:32,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:47:32,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:47:32,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:47:32,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:47:32,861 INFO L87 Difference]: Start difference. First operand 58065 states and 237127 transitions. Second operand 3 states. [2019-12-27 08:47:32,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:47:32,954 INFO L93 Difference]: Finished difference Result 7659 states and 25447 transitions. [2019-12-27 08:47:32,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:47:32,954 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-12-27 08:47:32,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:47:32,977 INFO L225 Difference]: With dead ends: 7659 [2019-12-27 08:47:32,978 INFO L226 Difference]: Without dead ends: 7659 [2019-12-27 08:47:32,978 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 08:47:33,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7659 states. [2019-12-27 08:47:33,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7659 to 7659. [2019-12-27 08:47:33,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7659 states. [2019-12-27 08:47:33,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7659 states to 7659 states and 25447 transitions. [2019-12-27 08:47:33,197 INFO L78 Accepts]: Start accepts. Automaton has 7659 states and 25447 transitions. Word has length 22 [2019-12-27 08:47:33,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:47:33,198 INFO L462 AbstractCegarLoop]: Abstraction has 7659 states and 25447 transitions. [2019-12-27 08:47:33,198 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:47:33,198 INFO L276 IsEmpty]: Start isEmpty. Operand 7659 states and 25447 transitions. [2019-12-27 08:47:33,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-27 08:47:33,199 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:47:33,200 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:47:33,200 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 08:47:33,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:47:33,200 INFO L82 PathProgramCache]: Analyzing trace with hash -300082310, now seen corresponding path program 1 times [2019-12-27 08:47:33,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:47:33,201 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314879138] [2019-12-27 08:47:33,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:47:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:47:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:47:33,225 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 08:47:33,225 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 08:47:33,225 WARN L364 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 08:47:33,226 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2019-12-27 08:47:33,235 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,235 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,235 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,236 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,236 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,236 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,236 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,237 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,237 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,237 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,237 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,237 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,238 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,238 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,238 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,238 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,238 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,239 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,239 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,239 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,239 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,239 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,240 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,240 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,240 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,240 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,240 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,241 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,241 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,241 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,241 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,242 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,242 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,242 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,244 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,244 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,244 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,244 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,247 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,247 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,247 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,248 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,256 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,256 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,256 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,256 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,258 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,258 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,258 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,258 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:47:33,260 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-27 08:47:33,260 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:47:33,260 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:47:33,260 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:47:33,260 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:47:33,260 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:47:33,261 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:47:33,261 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:47:33,261 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:47:33,263 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 78 places, 73 transitions Received shutdown request... [2019-12-27 08:51:09,258 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 08:51:09,262 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 08:51:09,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 08:51:09 BasicIcfg [2019-12-27 08:51:09,263 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 08:51:09,269 INFO L168 Benchmark]: Toolchain (without parser) took 267185.04 ms. Allocated memory was 145.2 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 101.8 MB in the beginning and 1.1 GB in the end (delta: -965.5 MB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. [2019-12-27 08:51:09,270 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-27 08:51:09,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.32 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.6 MB in the beginning and 160.4 MB in the end (delta: -58.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-12-27 08:51:09,277 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.14 ms. Allocated memory is still 202.4 MB. Free memory was 160.4 MB in the beginning and 158.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 08:51:09,278 INFO L168 Benchmark]: Boogie Preprocessor took 27.67 ms. Allocated memory is still 202.4 MB. Free memory was 158.4 MB in the beginning and 157.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-27 08:51:09,278 INFO L168 Benchmark]: RCFGBuilder took 392.89 ms. Allocated memory is still 202.4 MB. Free memory was 156.3 MB in the beginning and 140.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-12-27 08:51:09,281 INFO L168 Benchmark]: TraceAbstraction took 266013.21 ms. Allocated memory was 202.4 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 140.6 MB in the beginning and 1.1 GB in the end (delta: -926.7 MB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. [2019-12-27 08:51:09,292 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 697.32 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.6 MB in the beginning and 160.4 MB in the end (delta: -58.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 48.14 ms. Allocated memory is still 202.4 MB. Free memory was 160.4 MB in the beginning and 158.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.67 ms. Allocated memory is still 202.4 MB. Free memory was 158.4 MB in the beginning and 157.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 392.89 ms. Allocated memory is still 202.4 MB. Free memory was 156.3 MB in the beginning and 140.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 266013.21 ms. Allocated memory was 202.4 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 140.6 MB in the beginning and 1.1 GB in the end (delta: -926.7 MB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 689]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 689). Cancelled while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 78 places, 73 transitions. Already constructed 314054 states. Currently 61671 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 27 locations, 1 error locations. Result: TIMEOUT, OverallTime: 215.9s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown