/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-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 04:50:49,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 04:50:49,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 04:50:49,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 04:50:49,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 04:50:49,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 04:50:49,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 04:50:49,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 04:50:49,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 04:50:49,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 04:50:49,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 04:50:49,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 04:50:49,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 04:50:49,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 04:50:49,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 04:50:49,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 04:50:49,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 04:50:49,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 04:50:49,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 04:50:49,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 04:50:49,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 04:50:49,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 04:50:49,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 04:50:49,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 04:50:49,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 04:50:49,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 04:50:49,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 04:50:49,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 04:50:49,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 04:50:49,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 04:50:49,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 04:50:49,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 04:50:49,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 04:50:49,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 04:50:49,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 04:50:49,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 04:50:49,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 04:50:49,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 04:50:49,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 04:50:49,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 04:50:49,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 04:50:49,164 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-VariableLbe.epf [2019-12-27 04:50:49,201 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 04:50:49,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 04:50:49,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 04:50:49,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 04:50:49,203 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 04:50:49,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 04:50:49,203 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 04:50:49,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 04:50:49,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 04:50:49,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 04:50:49,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 04:50:49,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 04:50:49,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 04:50:49,204 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 04:50:49,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 04:50:49,209 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 04:50:49,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 04:50:49,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 04:50:49,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 04:50:49,210 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 04:50:49,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 04:50:49,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 04:50:49,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 04:50:49,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 04:50:49,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 04:50:49,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 04:50:49,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 04:50:49,211 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-27 04:50:49,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 04:50:49,212 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 04:50:49,509 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 04:50:49,522 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 04:50:49,525 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 04:50:49,527 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 04:50:49,527 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 04:50:49,528 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i [2019-12-27 04:50:49,589 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9671cdf8/a70df07d444d4336bda7011ffaa91d4e/FLAGb92084688 [2019-12-27 04:50:50,103 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 04:50:50,104 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i [2019-12-27 04:50:50,125 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9671cdf8/a70df07d444d4336bda7011ffaa91d4e/FLAGb92084688 [2019-12-27 04:50:50,420 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9671cdf8/a70df07d444d4336bda7011ffaa91d4e [2019-12-27 04:50:50,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 04:50:50,431 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 04:50:50,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 04:50:50,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 04:50:50,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 04:50:50,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 04:50:50" (1/1) ... [2019-12-27 04:50:50,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36de6da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:50:50, skipping insertion in model container [2019-12-27 04:50:50,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 04:50:50" (1/1) ... [2019-12-27 04:50:50,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 04:50:50,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 04:50:50,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 04:50:50,959 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 04:50:51,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 04:50:51,091 INFO L208 MainTranslator]: Completed translation [2019-12-27 04:50:51,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:50:51 WrapperNode [2019-12-27 04:50:51,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 04:50:51,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 04:50:51,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 04:50:51,093 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 04:50:51,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:50:51" (1/1) ... [2019-12-27 04:50:51,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:50:51" (1/1) ... [2019-12-27 04:50:51,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 04:50:51,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 04:50:51,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 04:50:51,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 04:50:51,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:50:51" (1/1) ... [2019-12-27 04:50:51,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:50:51" (1/1) ... [2019-12-27 04:50:51,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:50:51" (1/1) ... [2019-12-27 04:50:51,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:50:51" (1/1) ... [2019-12-27 04:50:51,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:50:51" (1/1) ... [2019-12-27 04:50:51,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:50:51" (1/1) ... [2019-12-27 04:50:51,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:50:51" (1/1) ... [2019-12-27 04:50:51,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 04:50:51,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 04:50:51,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 04:50:51,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 04:50:51,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:50:51" (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 04:50:51,236 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-12-27 04:50:51,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-12-27 04:50:51,237 INFO L130 BoogieDeclarations]: Found specification of procedure thr3 [2019-12-27 04:50:51,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thr3 [2019-12-27 04:50:51,237 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-27 04:50:51,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-27 04:50:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 04:50:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 04:50:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 04:50:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 04:50:51,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 04:50:51,240 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 04:50:51,378 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-12-27 04:50:51,383 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-12-27 04:50:51,474 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-12-27 04:50:51,475 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-12-27 04:50:51,476 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-12-27 04:50:51,477 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-12-27 04:50:51,552 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-12-27 04:50:51,553 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-12-27 04:50:51,619 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 04:50:51,620 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-27 04:50:51,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 04:50:51 BoogieIcfgContainer [2019-12-27 04:50:51,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 04:50:51,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 04:50:51,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 04:50:51,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 04:50:51,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 04:50:50" (1/3) ... [2019-12-27 04:50:51,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3532f168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 04:50:51, skipping insertion in model container [2019-12-27 04:50:51,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:50:51" (2/3) ... [2019-12-27 04:50:51,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3532f168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 04:50:51, skipping insertion in model container [2019-12-27 04:50:51,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 04:50:51" (3/3) ... [2019-12-27 04:50:51,630 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_pthread5_vs.i [2019-12-27 04:50:51,640 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 04:50:51,641 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 04:50:51,648 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-27 04:50:51,649 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 04:50:51,677 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,678 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,678 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,678 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,679 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,679 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,680 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,680 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,681 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,681 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,681 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,682 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,682 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,682 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,682 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,683 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,683 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,684 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,684 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,685 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,685 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,686 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,686 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,690 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,690 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,691 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,691 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,698 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,698 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,698 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,698 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,699 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,708 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,708 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,708 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,709 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:51,724 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-27 04:50:51,742 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 04:50:51,742 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 04:50:51,742 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 04:50:51,742 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 04:50:51,742 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 04:50:51,743 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 04:50:51,743 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 04:50:51,743 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 04:50:51,757 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 67 transitions [2019-12-27 04:50:51,760 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 69 places, 67 transitions [2019-12-27 04:50:51,811 INFO L132 PetriNetUnfolder]: 8/73 cut-off events. [2019-12-27 04:50:51,811 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 04:50:51,819 INFO L76 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 73 events. 8/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 126 event pairs. 0/61 useless extension candidates. Maximal degree in co-relation 65. Up to 4 conditions per place. [2019-12-27 04:50:51,825 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 69 places, 67 transitions [2019-12-27 04:50:51,849 INFO L132 PetriNetUnfolder]: 8/73 cut-off events. [2019-12-27 04:50:51,849 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 04:50:51,852 INFO L76 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 73 events. 8/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 126 event pairs. 0/61 useless extension candidates. Maximal degree in co-relation 65. Up to 4 conditions per place. [2019-12-27 04:50:51,856 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1656 [2019-12-27 04:50:51,858 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 04:50:52,623 INFO L206 etLargeBlockEncoding]: Checked pairs total: 3801 [2019-12-27 04:50:52,623 INFO L214 etLargeBlockEncoding]: Total number of compositions: 34 [2019-12-27 04:50:52,627 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 35 transitions [2019-12-27 04:50:52,787 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1932 states. [2019-12-27 04:50:52,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states. [2019-12-27 04:50:52,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-27 04:50:52,803 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:50:52,804 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:50:52,805 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:50:52,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:50:52,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1396576365, now seen corresponding path program 1 times [2019-12-27 04:50:52,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:50:52,824 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151563060] [2019-12-27 04:50:52,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:50:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:50:53,090 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 04:50:53,090 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151563060] [2019-12-27 04:50:53,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:50:53,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 04:50:53,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997450312] [2019-12-27 04:50:53,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:50:53,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:50:53,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:50:53,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:50:53,122 INFO L87 Difference]: Start difference. First operand 1932 states. Second operand 3 states. [2019-12-27 04:50:53,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:50:53,271 INFO L93 Difference]: Finished difference Result 2076 states and 7292 transitions. [2019-12-27 04:50:53,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:50:53,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-27 04:50:53,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:50:53,320 INFO L225 Difference]: With dead ends: 2076 [2019-12-27 04:50:53,320 INFO L226 Difference]: Without dead ends: 2076 [2019-12-27 04:50:53,324 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 04:50:53,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2019-12-27 04:50:53,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 2016. [2019-12-27 04:50:53,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2016 states. [2019-12-27 04:50:53,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 2016 states and 7159 transitions. [2019-12-27 04:50:53,533 INFO L78 Accepts]: Start accepts. Automaton has 2016 states and 7159 transitions. Word has length 7 [2019-12-27 04:50:53,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:50:53,534 INFO L462 AbstractCegarLoop]: Abstraction has 2016 states and 7159 transitions. [2019-12-27 04:50:53,534 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:50:53,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2016 states and 7159 transitions. [2019-12-27 04:50:53,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-27 04:50:53,536 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:50:53,536 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:50:53,536 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:50:53,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:50:53,537 INFO L82 PathProgramCache]: Analyzing trace with hash 2045020788, now seen corresponding path program 1 times [2019-12-27 04:50:53,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:50:53,537 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038097785] [2019-12-27 04:50:53,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:50:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:50:53,623 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 04:50:53,623 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038097785] [2019-12-27 04:50:53,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:50:53,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 04:50:53,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149365719] [2019-12-27 04:50:53,627 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 04:50:53,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:50:53,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 04:50:53,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-27 04:50:53,628 INFO L87 Difference]: Start difference. First operand 2016 states and 7159 transitions. Second operand 6 states. [2019-12-27 04:50:53,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:50:53,833 INFO L93 Difference]: Finished difference Result 1504 states and 4528 transitions. [2019-12-27 04:50:53,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-27 04:50:53,834 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2019-12-27 04:50:53,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:50:53,845 INFO L225 Difference]: With dead ends: 1504 [2019-12-27 04:50:53,846 INFO L226 Difference]: Without dead ends: 1504 [2019-12-27 04:50:53,848 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-12-27 04:50:53,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2019-12-27 04:50:53,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 1084. [2019-12-27 04:50:53,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1084 states. [2019-12-27 04:50:53,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 3284 transitions. [2019-12-27 04:50:53,892 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 3284 transitions. Word has length 9 [2019-12-27 04:50:53,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:50:53,892 INFO L462 AbstractCegarLoop]: Abstraction has 1084 states and 3284 transitions. [2019-12-27 04:50:53,892 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 04:50:53,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 3284 transitions. [2019-12-27 04:50:53,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 04:50:53,895 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:50:53,895 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:50:53,896 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:50:53,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:50:53,896 INFO L82 PathProgramCache]: Analyzing trace with hash -43818607, now seen corresponding path program 1 times [2019-12-27 04:50:53,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:50:53,897 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022309830] [2019-12-27 04:50:53,897 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:50:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 04:50:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 04:50:53,999 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 04:50:54,000 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 04:50:54,000 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 04:50:54,001 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-27 04:50:54,017 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,017 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,017 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,017 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,018 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,018 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,019 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,019 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,019 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,019 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,020 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,020 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,020 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,021 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,023 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,023 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,023 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,024 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,024 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,025 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,025 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,025 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,025 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,027 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,027 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,027 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,027 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,027 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,027 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,028 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,028 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,029 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,030 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,030 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,031 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,031 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,031 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,031 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,032 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,032 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,033 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,033 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,033 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,033 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,033 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,034 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,034 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,034 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,034 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,035 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,037 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,038 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,038 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,039 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,043 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,043 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,044 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,044 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,044 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,046 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,046 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,046 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,047 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,047 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,049 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,049 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,050 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,050 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,052 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,052 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,053 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,053 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:50:54,055 INFO L249 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2019-12-27 04:50:54,055 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 04:50:54,056 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 04:50:54,056 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 04:50:54,056 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 04:50:54,056 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 04:50:54,056 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 04:50:54,056 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 04:50:54,056 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 04:50:54,062 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 107 transitions [2019-12-27 04:50:54,062 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 109 places, 107 transitions [2019-12-27 04:50:54,108 INFO L132 PetriNetUnfolder]: 12/103 cut-off events. [2019-12-27 04:50:54,109 INFO L133 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2019-12-27 04:50:54,112 INFO L76 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 103 events. 12/103 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 248 event pairs. 0/85 useless extension candidates. Maximal degree in co-relation 114. Up to 6 conditions per place. [2019-12-27 04:50:54,117 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 109 places, 107 transitions [2019-12-27 04:50:54,162 INFO L132 PetriNetUnfolder]: 12/103 cut-off events. [2019-12-27 04:50:54,162 INFO L133 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2019-12-27 04:50:54,167 INFO L76 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 103 events. 12/103 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 248 event pairs. 0/85 useless extension candidates. Maximal degree in co-relation 114. Up to 6 conditions per place. [2019-12-27 04:50:54,175 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 3610 [2019-12-27 04:50:54,175 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 04:50:55,071 INFO L206 etLargeBlockEncoding]: Checked pairs total: 12982 [2019-12-27 04:50:55,071 INFO L214 etLargeBlockEncoding]: Total number of compositions: 56 [2019-12-27 04:50:55,071 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 60 transitions [2019-12-27 04:50:57,404 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 27017 states. [2019-12-27 04:50:57,404 INFO L276 IsEmpty]: Start isEmpty. Operand 27017 states. [2019-12-27 04:50:57,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-27 04:50:57,404 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:50:57,405 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:50:57,405 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 04:50:57,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:50:57,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1001027854, now seen corresponding path program 1 times [2019-12-27 04:50:57,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:50:57,406 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414638468] [2019-12-27 04:50:57,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:50:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:50:57,462 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 04:50:57,462 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414638468] [2019-12-27 04:50:57,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:50:57,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 04:50:57,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850027007] [2019-12-27 04:50:57,463 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:50:57,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:50:57,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:50:57,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:50:57,464 INFO L87 Difference]: Start difference. First operand 27017 states. Second operand 3 states. [2019-12-27 04:50:58,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:50:58,737 INFO L93 Difference]: Finished difference Result 31625 states and 144668 transitions. [2019-12-27 04:50:58,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:50:58,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-27 04:50:58,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:50:58,965 INFO L225 Difference]: With dead ends: 31625 [2019-12-27 04:50:58,965 INFO L226 Difference]: Without dead ends: 31625 [2019-12-27 04:50:58,965 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 04:50:59,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31625 states. [2019-12-27 04:51:00,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31625 to 30200. [2019-12-27 04:51:00,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30200 states. [2019-12-27 04:51:00,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30200 states to 30200 states and 139938 transitions. [2019-12-27 04:51:00,436 INFO L78 Accepts]: Start accepts. Automaton has 30200 states and 139938 transitions. Word has length 8 [2019-12-27 04:51:00,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:51:00,436 INFO L462 AbstractCegarLoop]: Abstraction has 30200 states and 139938 transitions. [2019-12-27 04:51:00,436 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:51:00,436 INFO L276 IsEmpty]: Start isEmpty. Operand 30200 states and 139938 transitions. [2019-12-27 04:51:00,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 04:51:00,437 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:51:00,437 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:51:00,438 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 04:51:00,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:51:00,438 INFO L82 PathProgramCache]: Analyzing trace with hash -700821777, now seen corresponding path program 1 times [2019-12-27 04:51:00,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:51:00,438 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759456969] [2019-12-27 04:51:00,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:51:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:51:00,518 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 04:51:00,518 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759456969] [2019-12-27 04:51:00,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:51:00,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 04:51:00,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615463054] [2019-12-27 04:51:00,519 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 04:51:00,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:51:00,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 04:51:00,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-27 04:51:00,520 INFO L87 Difference]: Start difference. First operand 30200 states and 139938 transitions. Second operand 6 states. [2019-12-27 04:51:02,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:51:02,378 INFO L93 Difference]: Finished difference Result 32445 states and 126183 transitions. [2019-12-27 04:51:02,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-27 04:51:02,379 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-12-27 04:51:02,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:51:02,509 INFO L225 Difference]: With dead ends: 32445 [2019-12-27 04:51:02,509 INFO L226 Difference]: Without dead ends: 32445 [2019-12-27 04:51:02,510 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-12-27 04:51:02,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32445 states. [2019-12-27 04:51:03,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32445 to 21939. [2019-12-27 04:51:03,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21939 states. [2019-12-27 04:51:03,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21939 states to 21939 states and 88654 transitions. [2019-12-27 04:51:03,402 INFO L78 Accepts]: Start accepts. Automaton has 21939 states and 88654 transitions. Word has length 10 [2019-12-27 04:51:03,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:51:03,402 INFO L462 AbstractCegarLoop]: Abstraction has 21939 states and 88654 transitions. [2019-12-27 04:51:03,402 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 04:51:03,402 INFO L276 IsEmpty]: Start isEmpty. Operand 21939 states and 88654 transitions. [2019-12-27 04:51:03,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-27 04:51:03,403 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:51:03,403 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:51:03,403 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 04:51:03,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:51:03,404 INFO L82 PathProgramCache]: Analyzing trace with hash -249180352, now seen corresponding path program 1 times [2019-12-27 04:51:03,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:51:03,404 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139743339] [2019-12-27 04:51:03,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:51:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:51:03,445 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 04:51:03,446 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139743339] [2019-12-27 04:51:03,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:51:03,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 04:51:03,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973867227] [2019-12-27 04:51:03,447 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 04:51:03,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:51:03,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 04:51:03,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 04:51:03,448 INFO L87 Difference]: Start difference. First operand 21939 states and 88654 transitions. Second operand 4 states. [2019-12-27 04:51:03,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:51:03,657 INFO L93 Difference]: Finished difference Result 28211 states and 110546 transitions. [2019-12-27 04:51:03,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 04:51:03,657 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-27 04:51:03,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:51:03,757 INFO L225 Difference]: With dead ends: 28211 [2019-12-27 04:51:03,757 INFO L226 Difference]: Without dead ends: 28211 [2019-12-27 04:51:03,758 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 04:51:03,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28211 states. [2019-12-27 04:51:04,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28211 to 20703. [2019-12-27 04:51:04,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20703 states. [2019-12-27 04:51:04,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20703 states to 20703 states and 82724 transitions. [2019-12-27 04:51:04,805 INFO L78 Accepts]: Start accepts. Automaton has 20703 states and 82724 transitions. Word has length 11 [2019-12-27 04:51:04,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:51:04,806 INFO L462 AbstractCegarLoop]: Abstraction has 20703 states and 82724 transitions. [2019-12-27 04:51:04,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 04:51:04,806 INFO L276 IsEmpty]: Start isEmpty. Operand 20703 states and 82724 transitions. [2019-12-27 04:51:04,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 04:51:04,808 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:51:04,808 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:51:04,808 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 04:51:04,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:51:04,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1822716334, now seen corresponding path program 1 times [2019-12-27 04:51:04,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:51:04,809 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205218553] [2019-12-27 04:51:04,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:51:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:51:04,885 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 04:51:04,885 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205218553] [2019-12-27 04:51:04,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:51:04,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 04:51:04,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549518025] [2019-12-27 04:51:04,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:51:04,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:51:04,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:51:04,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:51:04,887 INFO L87 Difference]: Start difference. First operand 20703 states and 82724 transitions. Second operand 3 states. [2019-12-27 04:51:04,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:51:04,983 INFO L93 Difference]: Finished difference Result 19688 states and 72464 transitions. [2019-12-27 04:51:04,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:51:04,983 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-27 04:51:04,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:51:05,028 INFO L225 Difference]: With dead ends: 19688 [2019-12-27 04:51:05,029 INFO L226 Difference]: Without dead ends: 19688 [2019-12-27 04:51:05,029 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:51:05,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19688 states. [2019-12-27 04:51:05,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19688 to 17202. [2019-12-27 04:51:05,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17202 states. [2019-12-27 04:51:05,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17202 states to 17202 states and 64479 transitions. [2019-12-27 04:51:05,636 INFO L78 Accepts]: Start accepts. Automaton has 17202 states and 64479 transitions. Word has length 13 [2019-12-27 04:51:05,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:51:05,638 INFO L462 AbstractCegarLoop]: Abstraction has 17202 states and 64479 transitions. [2019-12-27 04:51:05,638 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:51:05,638 INFO L276 IsEmpty]: Start isEmpty. Operand 17202 states and 64479 transitions. [2019-12-27 04:51:05,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 04:51:05,639 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:51:05,640 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:51:05,640 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 04:51:05,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:51:05,640 INFO L82 PathProgramCache]: Analyzing trace with hash 739328020, now seen corresponding path program 1 times [2019-12-27 04:51:05,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:51:05,641 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739798798] [2019-12-27 04:51:05,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:51:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 04:51:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 04:51:05,675 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 04:51:05,675 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 04:51:05,675 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 04:51:05,675 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-27 04:51:05,686 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,687 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,687 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,687 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,688 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,688 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,689 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,689 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,689 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,689 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,689 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,690 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,690 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,690 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,690 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,690 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,691 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,691 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,691 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,692 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,692 WARN L315 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,692 WARN L315 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,692 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,692 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,693 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,693 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,693 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,693 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,693 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,694 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,694 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,694 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,694 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,694 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,694 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,695 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,695 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,695 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,695 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,695 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,696 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,696 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,696 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,696 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,696 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,696 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,697 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,697 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,697 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,697 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,697 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,698 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,698 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,698 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,698 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,698 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,698 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,699 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,699 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,699 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,699 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,699 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,699 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,700 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,700 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,700 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,700 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,700 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,700 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,701 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,701 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,701 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,701 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,703 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,703 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,703 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,703 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,706 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,706 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,706 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,706 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,708 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,708 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,708 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,708 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,708 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,709 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,709 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,710 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,710 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,710 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,711 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,711 WARN L315 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,711 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,711 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,712 WARN L315 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,718 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,718 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,719 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,719 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,720 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,720 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,721 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,721 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,722 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,722 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,723 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,723 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:51:05,724 INFO L249 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2019-12-27 04:51:05,725 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 04:51:05,725 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 04:51:05,725 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 04:51:05,725 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 04:51:05,725 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 04:51:05,725 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 04:51:05,725 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 04:51:05,725 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 04:51:05,729 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 147 transitions [2019-12-27 04:51:05,729 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 149 places, 147 transitions [2019-12-27 04:51:05,752 INFO L132 PetriNetUnfolder]: 16/133 cut-off events. [2019-12-27 04:51:05,752 INFO L133 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2019-12-27 04:51:05,755 INFO L76 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 133 events. 16/133 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 371 event pairs. 0/109 useless extension candidates. Maximal degree in co-relation 149. Up to 8 conditions per place. [2019-12-27 04:51:05,765 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 149 places, 147 transitions [2019-12-27 04:51:05,784 INFO L132 PetriNetUnfolder]: 16/133 cut-off events. [2019-12-27 04:51:05,785 INFO L133 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2019-12-27 04:51:05,788 INFO L76 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 133 events. 16/133 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 371 event pairs. 0/109 useless extension candidates. Maximal degree in co-relation 149. Up to 8 conditions per place. [2019-12-27 04:51:05,797 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 6404 [2019-12-27 04:51:05,798 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 04:51:07,002 INFO L206 etLargeBlockEncoding]: Checked pairs total: 24603 [2019-12-27 04:51:07,003 INFO L214 etLargeBlockEncoding]: Total number of compositions: 77 [2019-12-27 04:51:07,003 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 82 places, 81 transitions Received shutdown request... [2019-12-27 04:55:13,103 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 04:55:13,108 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 04:55:13,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 04:55:13 BasicIcfg [2019-12-27 04:55:13,109 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 04:55:13,112 INFO L168 Benchmark]: Toolchain (without parser) took 262680.01 ms. Allocated memory was 141.6 MB in the beginning and 2.8 GB in the end (delta: 2.7 GB). Free memory was 104.6 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2019-12-27 04:55:13,113 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 124.7 MB in the beginning and 124.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-12-27 04:55:13,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.94 ms. Allocated memory was 141.6 MB in the beginning and 206.0 MB in the end (delta: 64.5 MB). Free memory was 104.2 MB in the beginning and 164.7 MB in the end (delta: -60.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-12-27 04:55:13,115 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.13 ms. Allocated memory is still 206.0 MB. Free memory was 164.7 MB in the beginning and 162.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-27 04:55:13,115 INFO L168 Benchmark]: Boogie Preprocessor took 31.04 ms. Allocated memory is still 206.0 MB. Free memory was 162.8 MB in the beginning and 160.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-27 04:55:13,116 INFO L168 Benchmark]: RCFGBuilder took 446.80 ms. Allocated memory is still 206.0 MB. Free memory was 160.9 MB in the beginning and 139.8 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-12-27 04:55:13,117 INFO L168 Benchmark]: TraceAbstraction took 261486.62 ms. Allocated memory was 206.0 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 139.1 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2019-12-27 04:55:13,128 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 124.7 MB in the beginning and 124.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 659.94 ms. Allocated memory was 141.6 MB in the beginning and 206.0 MB in the end (delta: 64.5 MB). Free memory was 104.2 MB in the beginning and 164.7 MB in the end (delta: -60.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 50.13 ms. Allocated memory is still 206.0 MB. Free memory was 164.7 MB in the beginning and 162.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.04 ms. Allocated memory is still 206.0 MB. Free memory was 162.8 MB in the beginning and 160.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 446.80 ms. Allocated memory is still 206.0 MB. Free memory was 160.9 MB in the beginning and 139.8 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 261486.62 ms. Allocated memory was 206.0 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 139.1 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.8s, 69 ProgramPointsBefore, 37 ProgramPointsAfterwards, 67 TransitionsBefore, 35 TransitionsAfterwards, 1656 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 4 ChoiceCompositions, 706 VarBasedMoverChecksPositive, 31 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 3801 CheckedPairsTotal, 34 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.0s, 109 ProgramPointsBefore, 61 ProgramPointsAfterwards, 107 TransitionsBefore, 60 TransitionsAfterwards, 3610 CoEnabledTransitionPairs, 6 FixpointIterations, 22 TrivialSequentialCompositions, 23 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 7 ConcurrentYvCompositions, 6 ChoiceCompositions, 1636 VarBasedMoverChecksPositive, 70 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 12982 CheckedPairsTotal, 56 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.2s, 149 ProgramPointsBefore, 82 ProgramPointsAfterwards, 147 TransitionsBefore, 81 TransitionsAfterwards, 6404 CoEnabledTransitionPairs, 6 FixpointIterations, 33 TrivialSequentialCompositions, 30 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 7 ConcurrentYvCompositions, 9 ChoiceCompositions, 2602 VarBasedMoverChecksPositive, 63 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 24603 CheckedPairsTotal, 77 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 709]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 709). Cancelled while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 82 places, 81 transitions. Already constructed 345912 states. Currently 7029 states in worklist.. - TimeoutResultAtElement [Line: 702]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 702). Cancelled while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 82 places, 81 transitions. Already constructed 345912 states. Currently 7029 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 60 locations, 2 error locations. Result: TIMEOUT, OverallTime: 247.3s, 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