/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_08-cond_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 02:35:19,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 02:35:19,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 02:35:19,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 02:35:19,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 02:35:19,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 02:35:19,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 02:35:19,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 02:35:19,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 02:35:19,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 02:35:19,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 02:35:19,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 02:35:19,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 02:35:19,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 02:35:19,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 02:35:19,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 02:35:19,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 02:35:19,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 02:35:19,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 02:35:19,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 02:35:19,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 02:35:19,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 02:35:19,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 02:35:19,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 02:35:19,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 02:35:19,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 02:35:19,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 02:35:19,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 02:35:19,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 02:35:19,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 02:35:19,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 02:35:19,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 02:35:19,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 02:35:19,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 02:35:19,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 02:35:19,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 02:35:19,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 02:35:19,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 02:35:19,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 02:35:19,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 02:35:19,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 02:35:19,336 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-10-22 02:35:19,378 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 02:35:19,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 02:35:19,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 02:35:19,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 02:35:19,380 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 02:35:19,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 02:35:19,381 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 02:35:19,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 02:35:19,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 02:35:19,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 02:35:19,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 02:35:19,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 02:35:19,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 02:35:19,382 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 02:35:19,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 02:35:19,383 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 02:35:19,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 02:35:19,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 02:35:19,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 02:35:19,385 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 02:35:19,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 02:35:19,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:35:19,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 02:35:19,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 02:35:19,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 02:35:19,386 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 02:35:19,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 02:35:19,386 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 02:35:19,387 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 02:35:19,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 02:35:19,387 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 02:35:19,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 02:35:19,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 02:35:19,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 02:35:19,698 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 02:35:19,699 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 02:35:19,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_08-cond_racefree.i [2020-10-22 02:35:19,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a17328dbf/c902a0afafec4063ae0aedb80c20860c/FLAG878022fb6 [2020-10-22 02:35:20,302 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 02:35:20,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_08-cond_racefree.i [2020-10-22 02:35:20,323 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a17328dbf/c902a0afafec4063ae0aedb80c20860c/FLAG878022fb6 [2020-10-22 02:35:20,600 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a17328dbf/c902a0afafec4063ae0aedb80c20860c [2020-10-22 02:35:20,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 02:35:20,618 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 02:35:20,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 02:35:20,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 02:35:20,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 02:35:20,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:35:20" (1/1) ... [2020-10-22 02:35:20,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b58fd81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:35:20, skipping insertion in model container [2020-10-22 02:35:20,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:35:20" (1/1) ... [2020-10-22 02:35:20,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 02:35:20,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 02:35:21,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:35:21,330 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 02:35:21,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:35:21,581 INFO L208 MainTranslator]: Completed translation [2020-10-22 02:35:21,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:35:21 WrapperNode [2020-10-22 02:35:21,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 02:35:21,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 02:35:21,590 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 02:35:21,590 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 02:35:21,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:35:21" (1/1) ... [2020-10-22 02:35:21,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:35:21" (1/1) ... [2020-10-22 02:35:21,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 02:35:21,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 02:35:21,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 02:35:21,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 02:35:21,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:35:21" (1/1) ... [2020-10-22 02:35:21,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:35:21" (1/1) ... [2020-10-22 02:35:21,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:35:21" (1/1) ... [2020-10-22 02:35:21,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:35:21" (1/1) ... [2020-10-22 02:35:21,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:35:21" (1/1) ... [2020-10-22 02:35:21,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:35:21" (1/1) ... [2020-10-22 02:35:21,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:35:21" (1/1) ... [2020-10-22 02:35:21,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 02:35:21,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 02:35:21,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 02:35:21,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 02:35:21,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:35:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:35:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 02:35:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 02:35:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 02:35:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 02:35:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-22 02:35:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-10-22 02:35:21,774 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-10-22 02:35:21,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 02:35:21,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 02:35:21,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 02:35:21,777 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 02:35:22,221 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 02:35:22,222 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-22 02:35:22,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:35:22 BoogieIcfgContainer [2020-10-22 02:35:22,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 02:35:22,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 02:35:22,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 02:35:22,237 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 02:35:22,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 02:35:20" (1/3) ... [2020-10-22 02:35:22,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b4fe31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:35:22, skipping insertion in model container [2020-10-22 02:35:22,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:35:21" (2/3) ... [2020-10-22 02:35:22,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b4fe31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:35:22, skipping insertion in model container [2020-10-22 02:35:22,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:35:22" (3/3) ... [2020-10-22 02:35:22,241 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_08-cond_racefree.i [2020-10-22 02:35:22,253 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 02:35:22,253 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 02:35:22,262 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 02:35:22,263 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 02:35:22,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,291 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,291 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,300 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,301 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:22,309 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-10-22 02:35:22,319 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-22 02:35:22,336 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:35:22,336 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:35:22,337 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:35:22,337 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:35:22,337 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:35:22,337 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:35:22,337 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:35:22,337 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:35:22,351 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:35:22,352 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 122 transitions, 252 flow [2020-10-22 02:35:22,354 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 122 transitions, 252 flow [2020-10-22 02:35:22,355 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 109 places, 122 transitions, 252 flow [2020-10-22 02:35:22,448 INFO L129 PetriNetUnfolder]: 25/166 cut-off events. [2020-10-22 02:35:22,449 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-22 02:35:22,456 INFO L80 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 166 events. 25/166 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 400 event pairs, 0 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 83. Up to 6 conditions per place. [2020-10-22 02:35:22,461 INFO L116 LiptonReduction]: Number of co-enabled transitions 2744 [2020-10-22 02:35:24,506 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-22 02:35:24,668 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-22 02:35:25,042 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-22 02:35:25,363 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-22 02:35:26,463 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 173 DAG size of output: 159 [2020-10-22 02:35:26,996 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-22 02:35:27,010 INFO L131 LiptonReduction]: Checked pairs total: 5327 [2020-10-22 02:35:27,010 INFO L133 LiptonReduction]: Total number of compositions: 108 [2020-10-22 02:35:27,017 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 36 transitions, 80 flow [2020-10-22 02:35:27,032 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 154 states. [2020-10-22 02:35:27,034 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2020-10-22 02:35:27,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-22 02:35:27,041 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:35:27,041 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-22 02:35:27,042 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:35:27,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:35:27,048 INFO L82 PathProgramCache]: Analyzing trace with hash 14768622, now seen corresponding path program 1 times [2020-10-22 02:35:27,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:35:27,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939209456] [2020-10-22 02:35:27,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:35:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:35:27,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:35:27,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939209456] [2020-10-22 02:35:27,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:35:27,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:35:27,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [456723493] [2020-10-22 02:35:27,282 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:35:27,284 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:35:27,294 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-10-22 02:35:27,294 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:35:27,298 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:35:27,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:35:27,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:35:27,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:35:27,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:35:27,311 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 3 states. [2020-10-22 02:35:27,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:35:27,352 INFO L93 Difference]: Finished difference Result 147 states and 273 transitions. [2020-10-22 02:35:27,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:35:27,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-22 02:35:27,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:35:27,365 INFO L225 Difference]: With dead ends: 147 [2020-10-22 02:35:27,365 INFO L226 Difference]: Without dead ends: 73 [2020-10-22 02:35:27,366 INFO L677 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 [2020-10-22 02:35:27,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-22 02:35:27,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-10-22 02:35:27,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-22 02:35:27,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 126 transitions. [2020-10-22 02:35:27,411 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 126 transitions. Word has length 4 [2020-10-22 02:35:27,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:35:27,411 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 126 transitions. [2020-10-22 02:35:27,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:35:27,412 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 126 transitions. [2020-10-22 02:35:27,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-22 02:35:27,412 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:35:27,412 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-10-22 02:35:27,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 02:35:27,413 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:35:27,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:35:27,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1228758271, now seen corresponding path program 1 times [2020-10-22 02:35:27,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:35:27,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461551381] [2020-10-22 02:35:27,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:35:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:35:27,461 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:35:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:35:27,500 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:35:27,547 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 02:35:27,548 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 02:35:27,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 02:35:27,553 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-22 02:35:27,553 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-22 02:35:27,569 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,570 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,570 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,570 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,570 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,571 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,571 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,571 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,571 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,572 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,572 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,572 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,572 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,572 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,573 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,573 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,573 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,573 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,574 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,574 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,574 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,574 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,575 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,575 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,575 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,575 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,576 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,577 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,577 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,577 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,577 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,577 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,578 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,578 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,579 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,579 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,580 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,580 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,580 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,587 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,588 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,588 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,588 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,588 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,604 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,604 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,604 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,605 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:27,607 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2020-10-22 02:35:27,608 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-22 02:35:27,608 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:35:27,608 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:35:27,608 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:35:27,609 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:35:27,609 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:35:27,609 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:35:27,609 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:35:27,609 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:35:27,611 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:35:27,612 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 134 places, 152 transitions, 322 flow [2020-10-22 02:35:27,612 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 134 places, 152 transitions, 322 flow [2020-10-22 02:35:27,612 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 134 places, 152 transitions, 322 flow [2020-10-22 02:35:27,663 INFO L129 PetriNetUnfolder]: 43/263 cut-off events. [2020-10-22 02:35:27,663 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-10-22 02:35:27,666 INFO L80 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 263 events. 43/263 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 813 event pairs, 0 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 168. Up to 9 conditions per place. [2020-10-22 02:35:27,675 INFO L116 LiptonReduction]: Number of co-enabled transitions 7672 [2020-10-22 02:35:30,071 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2020-10-22 02:35:30,243 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-22 02:35:30,485 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-22 02:35:31,635 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 163 DAG size of output: 159 [2020-10-22 02:35:32,153 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-22 02:35:32,180 INFO L131 LiptonReduction]: Checked pairs total: 20708 [2020-10-22 02:35:32,180 INFO L133 LiptonReduction]: Total number of compositions: 118 [2020-10-22 02:35:32,180 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 61 transitions, 140 flow [2020-10-22 02:35:32,311 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2584 states. [2020-10-22 02:35:32,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2584 states. [2020-10-22 02:35:32,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-22 02:35:32,313 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:35:32,313 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-22 02:35:32,313 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:35:32,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:35:32,314 INFO L82 PathProgramCache]: Analyzing trace with hash 24004968, now seen corresponding path program 1 times [2020-10-22 02:35:32,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:35:32,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640335490] [2020-10-22 02:35:32,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:35:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:35:32,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:35:32,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640335490] [2020-10-22 02:35:32,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:35:32,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:35:32,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2105449793] [2020-10-22 02:35:32,377 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:35:32,377 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:35:32,378 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-10-22 02:35:32,378 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:35:32,378 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:35:32,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:35:32,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:35:32,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:35:32,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:35:32,379 INFO L87 Difference]: Start difference. First operand 2584 states. Second operand 3 states. [2020-10-22 02:35:32,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:35:32,465 INFO L93 Difference]: Finished difference Result 2576 states and 7067 transitions. [2020-10-22 02:35:32,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:35:32,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-22 02:35:32,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:35:32,481 INFO L225 Difference]: With dead ends: 2576 [2020-10-22 02:35:32,481 INFO L226 Difference]: Without dead ends: 1239 [2020-10-22 02:35:32,481 INFO L677 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 [2020-10-22 02:35:32,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239 states. [2020-10-22 02:35:32,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239 to 1239. [2020-10-22 02:35:32,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1239 states. [2020-10-22 02:35:32,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 3284 transitions. [2020-10-22 02:35:32,591 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 3284 transitions. Word has length 4 [2020-10-22 02:35:32,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:35:32,592 INFO L481 AbstractCegarLoop]: Abstraction has 1239 states and 3284 transitions. [2020-10-22 02:35:32,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:35:32,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 3284 transitions. [2020-10-22 02:35:32,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-22 02:35:32,593 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:35:32,593 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:35:32,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 02:35:32,593 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:35:32,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:35:32,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1756664157, now seen corresponding path program 1 times [2020-10-22 02:35:32,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:35:32,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776760443] [2020-10-22 02:35:32,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:35:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:35:32,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:35:32,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776760443] [2020-10-22 02:35:32,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33573452] [2020-10-22 02:35:32,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:35:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:35:32,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-22 02:35:32,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:35:32,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-22 02:35:32,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-22 02:35:32,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2020-10-22 02:35:32,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [879712875] [2020-10-22 02:35:32,784 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:35:32,784 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:35:32,785 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-10-22 02:35:32,786 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:35:32,786 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:35:32,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:35:32,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:35:32,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:35:32,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:35:32,787 INFO L87 Difference]: Start difference. First operand 1239 states and 3284 transitions. Second operand 3 states. [2020-10-22 02:35:32,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:35:32,826 INFO L93 Difference]: Finished difference Result 1209 states and 3199 transitions. [2020-10-22 02:35:32,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:35:32,827 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-22 02:35:32,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:35:32,836 INFO L225 Difference]: With dead ends: 1209 [2020-10-22 02:35:32,837 INFO L226 Difference]: Without dead ends: 1209 [2020-10-22 02:35:32,837 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:35:32,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2020-10-22 02:35:32,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1209. [2020-10-22 02:35:32,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1209 states. [2020-10-22 02:35:32,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 3199 transitions. [2020-10-22 02:35:32,874 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 3199 transitions. Word has length 8 [2020-10-22 02:35:32,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:35:32,874 INFO L481 AbstractCegarLoop]: Abstraction has 1209 states and 3199 transitions. [2020-10-22 02:35:32,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:35:32,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 3199 transitions. [2020-10-22 02:35:32,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 02:35:32,877 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:35:32,877 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2020-10-22 02:35:33,090 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:35:33,091 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:35:33,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:35:33,091 INFO L82 PathProgramCache]: Analyzing trace with hash -274385541, now seen corresponding path program 1 times [2020-10-22 02:35:33,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:35:33,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442513618] [2020-10-22 02:35:33,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:35:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:35:33,134 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:35:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:35:33,150 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:35:33,158 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 02:35:33,158 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 02:35:33,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 02:35:33,159 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-22 02:35:33,161 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-22 02:35:33,169 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,169 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,170 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,170 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,170 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,170 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,170 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,170 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,171 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,171 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,171 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,171 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,171 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,171 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,172 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,172 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,172 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,172 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,172 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,173 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,173 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,173 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,173 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,173 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,173 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,174 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,174 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,174 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,174 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,174 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,174 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,175 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,175 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,175 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,175 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,175 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,176 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,176 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,176 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,176 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,176 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,176 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,177 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,177 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,177 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,177 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,177 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,177 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,178 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,178 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,178 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,178 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,178 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,178 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,179 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,179 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,179 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,180 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,180 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,180 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,180 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,180 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,180 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,182 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,182 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,182 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,182 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,182 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,183 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,183 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,183 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,183 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,184 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,184 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,185 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,185 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,185 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,185 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,185 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,185 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,185 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:33,188 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2020-10-22 02:35:33,188 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-22 02:35:33,189 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:35:33,189 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:35:33,189 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:35:33,189 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:35:33,189 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:35:33,189 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:35:33,189 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:35:33,189 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:35:33,191 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:35:33,192 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 159 places, 182 transitions, 394 flow [2020-10-22 02:35:33,192 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 159 places, 182 transitions, 394 flow [2020-10-22 02:35:33,192 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 159 places, 182 transitions, 394 flow [2020-10-22 02:35:33,263 INFO L129 PetriNetUnfolder]: 66/391 cut-off events. [2020-10-22 02:35:33,263 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2020-10-22 02:35:33,269 INFO L80 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 391 events. 66/391 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1403 event pairs, 1 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 271. Up to 16 conditions per place. [2020-10-22 02:35:33,289 INFO L116 LiptonReduction]: Number of co-enabled transitions 14112 [2020-10-22 02:35:34,638 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-10-22 02:35:35,291 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-22 02:35:35,445 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-22 02:35:36,129 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 111 [2020-10-22 02:35:36,408 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-22 02:35:37,692 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 161 DAG size of output: 159 [2020-10-22 02:35:38,239 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-22 02:35:38,257 INFO L131 LiptonReduction]: Checked pairs total: 35250 [2020-10-22 02:35:38,257 INFO L133 LiptonReduction]: Total number of compositions: 134 [2020-10-22 02:35:38,257 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 60 places, 78 transitions, 186 flow [2020-10-22 02:35:41,232 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 29991 states. [2020-10-22 02:35:41,232 INFO L276 IsEmpty]: Start isEmpty. Operand 29991 states. [2020-10-22 02:35:41,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-22 02:35:41,233 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:35:41,233 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-22 02:35:41,233 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:35:41,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:35:41,233 INFO L82 PathProgramCache]: Analyzing trace with hash 34651650, now seen corresponding path program 1 times [2020-10-22 02:35:41,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:35:41,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548088394] [2020-10-22 02:35:41,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:35:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:35:41,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:35:41,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548088394] [2020-10-22 02:35:41,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:35:41,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:35:41,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1364786054] [2020-10-22 02:35:41,265 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:35:41,266 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:35:41,266 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-10-22 02:35:41,266 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:35:41,267 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:35:41,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:35:41,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:35:41,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:35:41,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:35:41,268 INFO L87 Difference]: Start difference. First operand 29991 states. Second operand 3 states. [2020-10-22 02:35:41,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:35:41,629 INFO L93 Difference]: Finished difference Result 29984 states and 108764 transitions. [2020-10-22 02:35:41,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:35:41,630 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-22 02:35:41,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:35:41,803 INFO L225 Difference]: With dead ends: 29984 [2020-10-22 02:35:41,804 INFO L226 Difference]: Without dead ends: 14919 [2020-10-22 02:35:41,804 INFO L677 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 [2020-10-22 02:35:42,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14919 states. [2020-10-22 02:35:42,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14919 to 14919. [2020-10-22 02:35:42,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14919 states. [2020-10-22 02:35:42,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14919 states to 14919 states and 53132 transitions. [2020-10-22 02:35:42,742 INFO L78 Accepts]: Start accepts. Automaton has 14919 states and 53132 transitions. Word has length 4 [2020-10-22 02:35:42,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:35:42,742 INFO L481 AbstractCegarLoop]: Abstraction has 14919 states and 53132 transitions. [2020-10-22 02:35:42,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:35:42,743 INFO L276 IsEmpty]: Start isEmpty. Operand 14919 states and 53132 transitions. [2020-10-22 02:35:42,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-22 02:35:42,743 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:35:42,743 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:35:42,744 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 02:35:42,744 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:35:42,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:35:42,744 INFO L82 PathProgramCache]: Analyzing trace with hash -510609574, now seen corresponding path program 1 times [2020-10-22 02:35:42,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:35:42,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135851278] [2020-10-22 02:35:42,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:35:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:35:42,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:35:42,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135851278] [2020-10-22 02:35:42,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543752612] [2020-10-22 02:35:42,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:35:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:35:42,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-22 02:35:42,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:35:42,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-22 02:35:42,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-22 02:35:42,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2020-10-22 02:35:42,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1478239684] [2020-10-22 02:35:42,848 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:35:42,848 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:35:42,849 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-10-22 02:35:42,849 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:35:42,849 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:35:42,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:35:42,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:35:42,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:35:42,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:35:42,850 INFO L87 Difference]: Start difference. First operand 14919 states and 53132 transitions. Second operand 3 states. [2020-10-22 02:35:42,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:35:42,957 INFO L93 Difference]: Finished difference Result 14764 states and 52547 transitions. [2020-10-22 02:35:42,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:35:42,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-22 02:35:42,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:35:43,021 INFO L225 Difference]: With dead ends: 14764 [2020-10-22 02:35:43,021 INFO L226 Difference]: Without dead ends: 14764 [2020-10-22 02:35:43,022 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:35:43,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14764 states. [2020-10-22 02:35:43,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14764 to 14764. [2020-10-22 02:35:43,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14764 states. [2020-10-22 02:35:43,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14764 states to 14764 states and 52547 transitions. [2020-10-22 02:35:43,863 INFO L78 Accepts]: Start accepts. Automaton has 14764 states and 52547 transitions. Word has length 8 [2020-10-22 02:35:43,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:35:43,863 INFO L481 AbstractCegarLoop]: Abstraction has 14764 states and 52547 transitions. [2020-10-22 02:35:43,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:35:43,864 INFO L276 IsEmpty]: Start isEmpty. Operand 14764 states and 52547 transitions. [2020-10-22 02:35:43,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 02:35:43,865 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:35:43,866 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:35:44,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:35:44,078 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:35:44,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:35:44,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1916010008, now seen corresponding path program 1 times [2020-10-22 02:35:44,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:35:44,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282058972] [2020-10-22 02:35:44,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:35:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:35:44,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:35:44,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282058972] [2020-10-22 02:35:44,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976854057] [2020-10-22 02:35:44,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:35:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:35:44,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-22 02:35:44,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:35:44,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:35:44,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 02:35:44,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2020-10-22 02:35:44,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1656578398] [2020-10-22 02:35:44,221 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:35:44,222 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:35:44,223 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2020-10-22 02:35:44,223 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:35:44,224 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:35:44,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:35:44,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:35:44,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:35:44,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:35:44,225 INFO L87 Difference]: Start difference. First operand 14764 states and 52547 transitions. Second operand 4 states. [2020-10-22 02:35:44,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:35:44,319 INFO L93 Difference]: Finished difference Result 14733 states and 52488 transitions. [2020-10-22 02:35:44,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 02:35:44,320 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-22 02:35:44,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:35:44,376 INFO L225 Difference]: With dead ends: 14733 [2020-10-22 02:35:44,376 INFO L226 Difference]: Without dead ends: 14733 [2020-10-22 02:35:44,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:35:45,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14733 states. [2020-10-22 02:35:45,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14733 to 14733. [2020-10-22 02:35:45,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14733 states. [2020-10-22 02:35:46,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14733 states to 14733 states and 52488 transitions. [2020-10-22 02:35:46,009 INFO L78 Accepts]: Start accepts. Automaton has 14733 states and 52488 transitions. Word has length 13 [2020-10-22 02:35:46,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:35:46,010 INFO L481 AbstractCegarLoop]: Abstraction has 14733 states and 52488 transitions. [2020-10-22 02:35:46,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:35:46,010 INFO L276 IsEmpty]: Start isEmpty. Operand 14733 states and 52488 transitions. [2020-10-22 02:35:46,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-22 02:35:46,013 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:35:46,013 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2020-10-22 02:35:46,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:35:46,227 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:35:46,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:35:46,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1375216740, now seen corresponding path program 1 times [2020-10-22 02:35:46,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:35:46,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347114154] [2020-10-22 02:35:46,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:35:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:35:46,247 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:35:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:35:46,264 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:35:46,276 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 02:35:46,276 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 02:35:46,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-22 02:35:46,277 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-22 02:35:46,278 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-22 02:35:46,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,294 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,294 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,297 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,297 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,300 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,300 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,303 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,303 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,310 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,310 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,310 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,310 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,310 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,310 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,311 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,311 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,311 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,312 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,312 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,312 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,312 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,313 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,313 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,313 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,313 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,313 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,321 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,322 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,322 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,322 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,322 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,322 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,323 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,323 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,323 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,324 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,324 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,325 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,325 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,325 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,325 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,325 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,325 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,326 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,327 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,327 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,327 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,328 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,328 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,328 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,328 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,328 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,328 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:35:46,332 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-22 02:35:46,332 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-22 02:35:46,332 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:35:46,333 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:35:46,333 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:35:46,333 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:35:46,333 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:35:46,333 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:35:46,333 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:35:46,333 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:35:46,335 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:35:46,335 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 184 places, 212 transitions, 468 flow [2020-10-22 02:35:46,336 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 184 places, 212 transitions, 468 flow [2020-10-22 02:35:46,336 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 184 places, 212 transitions, 468 flow [2020-10-22 02:35:46,415 INFO L129 PetriNetUnfolder]: 101/583 cut-off events. [2020-10-22 02:35:46,415 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2020-10-22 02:35:46,425 INFO L80 FinitePrefix]: Finished finitePrefix Result has 638 conditions, 583 events. 101/583 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2308 event pairs, 6 based on Foata normal form. 0/477 useless extension candidates. Maximal degree in co-relation 411. Up to 32 conditions per place. [2020-10-22 02:35:46,454 INFO L116 LiptonReduction]: Number of co-enabled transitions 22288 [2020-10-22 02:35:47,382 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-22 02:35:48,560 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-22 02:35:48,698 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-22 02:35:49,556 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 120 [2020-10-22 02:35:49,886 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-22 02:35:51,254 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 161 DAG size of output: 159 [2020-10-22 02:35:51,820 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-22 02:35:51,834 INFO L131 LiptonReduction]: Checked pairs total: 57901 [2020-10-22 02:35:51,834 INFO L133 LiptonReduction]: Total number of compositions: 151 [2020-10-22 02:35:51,834 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 73 places, 95 transitions, 234 flow Received shutdown request... [2020-10-22 02:39:38,357 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-22 02:39:38,359 WARN L235 ceAbstractionStarter]: Timeout [2020-10-22 02:39:38,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 02:39:38 BasicIcfg [2020-10-22 02:39:38,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 02:39:38,361 INFO L168 Benchmark]: Toolchain (without parser) took 257749.13 ms. Allocated memory was 137.9 MB in the beginning and 3.1 GB in the end (delta: 3.0 GB). Free memory was 99.5 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2020-10-22 02:39:38,362 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-22 02:39:38,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 969.66 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 98.6 MB in the beginning and 132.1 MB in the end (delta: -33.5 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. [2020-10-22 02:39:38,372 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.64 ms. Allocated memory is still 200.3 MB. Free memory was 132.1 MB in the beginning and 129.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-22 02:39:38,372 INFO L168 Benchmark]: Boogie Preprocessor took 46.74 ms. Allocated memory is still 200.3 MB. Free memory was 129.3 MB in the beginning and 127.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-10-22 02:39:38,376 INFO L168 Benchmark]: RCFGBuilder took 535.04 ms. Allocated memory is still 200.3 MB. Free memory was 127.8 MB in the beginning and 96.1 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2020-10-22 02:39:38,376 INFO L168 Benchmark]: TraceAbstraction took 256128.72 ms. Allocated memory was 200.3 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 95.4 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2020-10-22 02:39:38,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 969.66 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 98.6 MB in the beginning and 132.1 MB in the end (delta: -33.5 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 57.64 ms. Allocated memory is still 200.3 MB. Free memory was 132.1 MB in the beginning and 129.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.74 ms. Allocated memory is still 200.3 MB. Free memory was 129.3 MB in the beginning and 127.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 535.04 ms. Allocated memory is still 200.3 MB. Free memory was 127.8 MB in the beginning and 96.1 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 256128.72 ms. Allocated memory was 200.3 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 95.4 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1421 VarBasedMoverChecksPositive, 32 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 88 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.6s, 109 PlacesBefore, 28 PlacesAfterwards, 122 TransitionsBefore, 36 TransitionsAfterwards, 2744 CoEnabledTransitionPairs, 7 FixpointIterations, 41 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 21 ConcurrentYvCompositions, 5 ChoiceCompositions, 108 TotalNumberOfCompositions, 5327 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3750 VarBasedMoverChecksPositive, 48 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 268 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.5s, 134 PlacesBefore, 47 PlacesAfterwards, 152 TransitionsBefore, 61 TransitionsAfterwards, 7672 CoEnabledTransitionPairs, 7 FixpointIterations, 38 TrivialSequentialCompositions, 54 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 22 ConcurrentYvCompositions, 4 ChoiceCompositions, 118 TotalNumberOfCompositions, 20708 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 6711 VarBasedMoverChecksPositive, 78 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 420 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.0s, 159 PlacesBefore, 60 PlacesAfterwards, 182 TransitionsBefore, 78 TransitionsAfterwards, 14112 CoEnabledTransitionPairs, 6 FixpointIterations, 38 TrivialSequentialCompositions, 62 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 29 ConcurrentYvCompositions, 5 ChoiceCompositions, 134 TotalNumberOfCompositions, 35250 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 10569 VarBasedMoverChecksPositive, 86 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 932 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.4s, 184 PlacesBefore, 73 PlacesAfterwards, 212 TransitionsBefore, 95 TransitionsAfterwards, 22288 CoEnabledTransitionPairs, 6 FixpointIterations, 38 TrivialSequentialCompositions, 74 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 33 ConcurrentYvCompositions, 6 ChoiceCompositions, 151 TotalNumberOfCompositions, 57901 MoverChecksTotal - TimeoutResultAtElement [Line: 921]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 921). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 73 places, 95 transitions, 234 flow. Already constructed 332354 states. Currently 12344 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 106 locations, 1 error locations. Started 4 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 255.8s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 249.4s, HoareTripleCheckerStatistics: 236 SDtfs, 114 SDslu, 223 SDs, 0 SdLazy, 52 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29991occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 1105 SizeOfPredicates, 1 NumberOfNonLiveVariables, 361 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 2/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown