/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-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe005_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-06 01:00:42,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 01:00:42,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 01:00:42,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 01:00:42,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 01:00:42,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 01:00:42,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 01:00:42,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 01:00:42,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 01:00:42,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 01:00:42,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 01:00:42,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 01:00:42,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 01:00:42,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 01:00:42,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 01:00:42,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 01:00:42,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 01:00:42,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 01:00:43,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 01:00:43,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 01:00:43,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 01:00:43,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 01:00:43,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 01:00:43,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 01:00:43,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-06 01:00:43,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 01:00:43,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 01:00:43,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 01:00:43,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 01:00:43,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 01:00:43,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 01:00:43,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 01:00:43,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 01:00:43,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 01:00:43,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 01:00:43,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 01:00:43,048 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-WP.epf [2020-10-06 01:00:43,086 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 01:00:43,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 01:00:43,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 01:00:43,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 01:00:43,088 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 01:00:43,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 01:00:43,089 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 01:00:43,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 01:00:43,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 01:00:43,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 01:00:43,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 01:00:43,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 01:00:43,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 01:00:43,090 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 01:00:43,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 01:00:43,091 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 01:00:43,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 01:00:43,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 01:00:43,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 01:00:43,091 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 01:00:43,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 01:00:43,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 01:00:43,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 01:00:43,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-06 01:00:43,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 01:00:43,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 01:00:43,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 01:00:43,093 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-06 01:00:43,093 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-06 01:00:43,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 01:00:43,094 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-06 01:00:43,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 01:00:43,398 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 01:00:43,401 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 01:00:43,402 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-06 01:00:43,402 INFO L275 PluginConnector]: CDTParser initialized [2020-10-06 01:00:43,403 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe005_rmo.oepc.i [2020-10-06 01:00:43,470 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08410c910/abd7268ebfbd4d40aaca96eb9744a14e/FLAGddaa6d832 [2020-10-06 01:00:44,016 INFO L306 CDTParser]: Found 1 translation units. [2020-10-06 01:00:44,017 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe005_rmo.oepc.i [2020-10-06 01:00:44,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08410c910/abd7268ebfbd4d40aaca96eb9744a14e/FLAGddaa6d832 [2020-10-06 01:00:44,344 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08410c910/abd7268ebfbd4d40aaca96eb9744a14e [2020-10-06 01:00:44,356 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 01:00:44,358 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-06 01:00:44,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-06 01:00:44,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-06 01:00:44,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-06 01:00:44,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 01:00:44" (1/1) ... [2020-10-06 01:00:44,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ff41f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:00:44, skipping insertion in model container [2020-10-06 01:00:44,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 01:00:44" (1/1) ... [2020-10-06 01:00:44,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-06 01:00:44,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-06 01:00:45,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 01:00:45,020 INFO L203 MainTranslator]: Completed pre-run [2020-10-06 01:00:45,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 01:00:45,165 INFO L208 MainTranslator]: Completed translation [2020-10-06 01:00:45,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:00:45 WrapperNode [2020-10-06 01:00:45,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-06 01:00:45,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 01:00:45,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 01:00:45,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 01:00:45,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:00:45" (1/1) ... [2020-10-06 01:00:45,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:00:45" (1/1) ... [2020-10-06 01:00:45,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 01:00:45,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 01:00:45,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 01:00:45,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 01:00:45,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:00:45" (1/1) ... [2020-10-06 01:00:45,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:00:45" (1/1) ... [2020-10-06 01:00:45,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:00:45" (1/1) ... [2020-10-06 01:00:45,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:00:45" (1/1) ... [2020-10-06 01:00:45,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:00:45" (1/1) ... [2020-10-06 01:00:45,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:00:45" (1/1) ... [2020-10-06 01:00:45,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:00:45" (1/1) ... [2020-10-06 01:00:45,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 01:00:45,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 01:00:45,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 01:00:45,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 01:00:45,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:00:45" (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 [2020-10-06 01:00:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-06 01:00:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-06 01:00:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-06 01:00:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-06 01:00:45,350 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-06 01:00:45,350 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-06 01:00:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-06 01:00:45,351 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-06 01:00:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-06 01:00:45,351 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-06 01:00:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-06 01:00:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 01:00:45,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 01:00:45,354 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 01:00:47,351 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 01:00:47,351 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-06 01:00:47,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 01:00:47 BoogieIcfgContainer [2020-10-06 01:00:47,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 01:00:47,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 01:00:47,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 01:00:47,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 01:00:47,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 01:00:44" (1/3) ... [2020-10-06 01:00:47,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fdbf4f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 01:00:47, skipping insertion in model container [2020-10-06 01:00:47,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:00:45" (2/3) ... [2020-10-06 01:00:47,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fdbf4f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 01:00:47, skipping insertion in model container [2020-10-06 01:00:47,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 01:00:47" (3/3) ... [2020-10-06 01:00:47,363 INFO L109 eAbstractionObserver]: Analyzing ICFG safe005_rmo.oepc.i [2020-10-06 01:00:47,374 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 01:00:47,375 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-06 01:00:47,382 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-06 01:00:47,383 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 01:00:47,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,416 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,416 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,417 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,417 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,417 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,417 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,418 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,418 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,418 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,418 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,418 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,418 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,419 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,419 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,419 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,419 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,419 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,420 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,420 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,420 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,420 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,420 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,420 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,426 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,426 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,426 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,426 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,426 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,427 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,427 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,427 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,427 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,428 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,428 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,428 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,428 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,428 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,428 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,429 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,429 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,429 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,430 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,430 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,430 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,430 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,430 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,431 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,431 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,431 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,431 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,431 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,432 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,432 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,436 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,437 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,437 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,437 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,437 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,437 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,438 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,438 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,438 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,438 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,440 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,441 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,441 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,441 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,441 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,441 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,442 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,442 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,442 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,442 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,442 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,443 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,443 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,443 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,443 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,443 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,445 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,445 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,445 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,445 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,445 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,446 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,447 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,448 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,448 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,448 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,448 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,448 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,449 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,449 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,449 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,449 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,449 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,450 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:00:47,467 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-06 01:00:47,491 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 01:00:47,491 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 01:00:47,491 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 01:00:47,491 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 01:00:47,492 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 01:00:47,492 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 01:00:47,492 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 01:00:47,492 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 01:00:47,510 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 92 transitions, 199 flow [2020-10-06 01:00:47,512 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 100 places, 92 transitions, 199 flow [2020-10-06 01:00:47,560 INFO L129 PetriNetUnfolder]: 2/89 cut-off events. [2020-10-06 01:00:47,560 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 01:00:47,565 INFO L80 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 89 events. 2/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2020-10-06 01:00:47,569 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 100 places, 92 transitions, 199 flow [2020-10-06 01:00:47,591 INFO L129 PetriNetUnfolder]: 2/89 cut-off events. [2020-10-06 01:00:47,592 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 01:00:47,593 INFO L80 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 89 events. 2/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2020-10-06 01:00:47,595 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1544 [2020-10-06 01:00:47,596 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 01:00:48,031 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-06 01:00:48,919 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-06 01:00:49,028 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-06 01:00:49,862 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2020-10-06 01:00:50,206 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-10-06 01:00:50,350 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-06 01:00:50,357 INFO L206 etLargeBlockEncoding]: Checked pairs total: 3836 [2020-10-06 01:00:50,358 INFO L214 etLargeBlockEncoding]: Total number of compositions: 77 [2020-10-06 01:00:50,361 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 25 transitions, 65 flow [2020-10-06 01:00:50,399 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 658 states. [2020-10-06 01:00:50,401 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states. [2020-10-06 01:00:50,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-06 01:00:50,408 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:00:50,409 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-06 01:00:50,409 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:00:50,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:00:50,415 INFO L82 PathProgramCache]: Analyzing trace with hash 914642709, now seen corresponding path program 1 times [2020-10-06 01:00:50,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:00:50,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275399315] [2020-10-06 01:00:50,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:00:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:00:50,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:00:50,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275399315] [2020-10-06 01:00:50,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:00:50,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 01:00:50,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1492323788] [2020-10-06 01:00:50,644 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:00:50,647 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:00:50,671 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-06 01:00:50,671 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:00:50,675 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:00:50,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:00:50,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:00:50,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:00:50,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:00:50,693 INFO L87 Difference]: Start difference. First operand 658 states. Second operand 3 states. [2020-10-06 01:00:50,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:00:50,760 INFO L93 Difference]: Finished difference Result 550 states and 1693 transitions. [2020-10-06 01:00:50,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:00:50,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-06 01:00:50,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:00:50,787 INFO L225 Difference]: With dead ends: 550 [2020-10-06 01:00:50,787 INFO L226 Difference]: Without dead ends: 450 [2020-10-06 01:00:50,789 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:00:50,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2020-10-06 01:00:50,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2020-10-06 01:00:50,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2020-10-06 01:00:50,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 1358 transitions. [2020-10-06 01:00:50,882 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 1358 transitions. Word has length 5 [2020-10-06 01:00:50,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:00:50,883 INFO L479 AbstractCegarLoop]: Abstraction has 450 states and 1358 transitions. [2020-10-06 01:00:50,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:00:50,883 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 1358 transitions. [2020-10-06 01:00:50,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-06 01:00:50,885 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:00:50,885 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:00:50,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-06 01:00:50,886 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:00:50,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:00:50,886 INFO L82 PathProgramCache]: Analyzing trace with hash 577618716, now seen corresponding path program 1 times [2020-10-06 01:00:50,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:00:50,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122955751] [2020-10-06 01:00:50,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:00:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:00:50,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:00:50,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122955751] [2020-10-06 01:00:50,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:00:50,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 01:00:50,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [423022967] [2020-10-06 01:00:50,993 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:00:50,994 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:00:50,996 INFO L258 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-06 01:00:50,996 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:00:50,997 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:00:50,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:00:50,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:00:50,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:00:50,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:00:50,999 INFO L87 Difference]: Start difference. First operand 450 states and 1358 transitions. Second operand 3 states. [2020-10-06 01:00:51,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:00:51,011 INFO L93 Difference]: Finished difference Result 430 states and 1287 transitions. [2020-10-06 01:00:51,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:00:51,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-06 01:00:51,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:00:51,017 INFO L225 Difference]: With dead ends: 430 [2020-10-06 01:00:51,017 INFO L226 Difference]: Without dead ends: 430 [2020-10-06 01:00:51,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:00:51,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-10-06 01:00:51,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2020-10-06 01:00:51,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-10-06 01:00:51,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 1287 transitions. [2020-10-06 01:00:51,046 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 1287 transitions. Word has length 9 [2020-10-06 01:00:51,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:00:51,047 INFO L479 AbstractCegarLoop]: Abstraction has 430 states and 1287 transitions. [2020-10-06 01:00:51,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:00:51,047 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 1287 transitions. [2020-10-06 01:00:51,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-06 01:00:51,049 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:00:51,049 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:00:51,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-06 01:00:51,050 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:00:51,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:00:51,050 INFO L82 PathProgramCache]: Analyzing trace with hash 726263662, now seen corresponding path program 1 times [2020-10-06 01:00:51,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:00:51,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251362381] [2020-10-06 01:00:51,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:00:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:00:51,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:00:51,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251362381] [2020-10-06 01:00:51,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:00:51,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 01:00:51,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [183473245] [2020-10-06 01:00:51,164 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:00:51,166 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:00:51,167 INFO L258 McrAutomatonBuilder]: Finished intersection with 13 states and 14 transitions. [2020-10-06 01:00:51,168 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:00:51,192 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:00:51,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 01:00:51,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:00:51,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 01:00:51,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:00:51,194 INFO L87 Difference]: Start difference. First operand 430 states and 1287 transitions. Second operand 4 states. [2020-10-06 01:00:51,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:00:51,229 INFO L93 Difference]: Finished difference Result 638 states and 1887 transitions. [2020-10-06 01:00:51,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-06 01:00:51,230 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-06 01:00:51,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:00:51,234 INFO L225 Difference]: With dead ends: 638 [2020-10-06 01:00:51,234 INFO L226 Difference]: Without dead ends: 398 [2020-10-06 01:00:51,235 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:00:51,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2020-10-06 01:00:51,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2020-10-06 01:00:51,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-10-06 01:00:51,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 1169 transitions. [2020-10-06 01:00:51,253 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 1169 transitions. Word has length 10 [2020-10-06 01:00:51,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:00:51,253 INFO L479 AbstractCegarLoop]: Abstraction has 398 states and 1169 transitions. [2020-10-06 01:00:51,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 01:00:51,254 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 1169 transitions. [2020-10-06 01:00:51,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-06 01:00:51,255 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:00:51,256 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:00:51,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-06 01:00:51,256 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:00:51,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:00:51,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1491369423, now seen corresponding path program 1 times [2020-10-06 01:00:51,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:00:51,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325593596] [2020-10-06 01:00:51,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:00:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:00:51,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:00:51,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325593596] [2020-10-06 01:00:51,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:00:51,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:00:51,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [584506539] [2020-10-06 01:00:51,348 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:00:51,350 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:00:51,353 INFO L258 McrAutomatonBuilder]: Finished intersection with 20 states and 27 transitions. [2020-10-06 01:00:51,354 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:00:51,392 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:00:51,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 01:00:51,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:00:51,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 01:00:51,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:00:51,394 INFO L87 Difference]: Start difference. First operand 398 states and 1169 transitions. Second operand 4 states. [2020-10-06 01:00:51,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:00:51,432 INFO L93 Difference]: Finished difference Result 743 states and 2137 transitions. [2020-10-06 01:00:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 01:00:51,432 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-06 01:00:51,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:00:51,436 INFO L225 Difference]: With dead ends: 743 [2020-10-06 01:00:51,436 INFO L226 Difference]: Without dead ends: 410 [2020-10-06 01:00:51,437 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:00:51,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2020-10-06 01:00:51,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 302. [2020-10-06 01:00:51,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-10-06 01:00:51,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 832 transitions. [2020-10-06 01:00:51,449 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 832 transitions. Word has length 11 [2020-10-06 01:00:51,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:00:51,449 INFO L479 AbstractCegarLoop]: Abstraction has 302 states and 832 transitions. [2020-10-06 01:00:51,449 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 01:00:51,449 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 832 transitions. [2020-10-06 01:00:51,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-06 01:00:51,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:00:51,451 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:00:51,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-06 01:00:51,452 INFO L427 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:00:51,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:00:51,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1776505378, now seen corresponding path program 1 times [2020-10-06 01:00:51,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:00:51,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960293204] [2020-10-06 01:00:51,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:00:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:00:51,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:00:51,492 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960293204] [2020-10-06 01:00:51,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:00:51,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 01:00:51,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [484696163] [2020-10-06 01:00:51,493 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:00:51,494 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:00:51,498 INFO L258 McrAutomatonBuilder]: Finished intersection with 22 states and 30 transitions. [2020-10-06 01:00:51,498 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:00:51,506 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:00:51,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:00:51,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:00:51,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:00:51,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:00:51,507 INFO L87 Difference]: Start difference. First operand 302 states and 832 transitions. Second operand 3 states. [2020-10-06 01:00:51,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:00:51,523 INFO L93 Difference]: Finished difference Result 398 states and 1088 transitions. [2020-10-06 01:00:51,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:00:51,524 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-06 01:00:51,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:00:51,526 INFO L225 Difference]: With dead ends: 398 [2020-10-06 01:00:51,526 INFO L226 Difference]: Without dead ends: 209 [2020-10-06 01:00:51,527 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:00:51,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2020-10-06 01:00:51,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2020-10-06 01:00:51,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-10-06 01:00:51,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 572 transitions. [2020-10-06 01:00:51,534 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 572 transitions. Word has length 12 [2020-10-06 01:00:51,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:00:51,535 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 572 transitions. [2020-10-06 01:00:51,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:00:51,535 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 572 transitions. [2020-10-06 01:00:51,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-06 01:00:51,536 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:00:51,536 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:00:51,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-06 01:00:51,536 INFO L427 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:00:51,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:00:51,537 INFO L82 PathProgramCache]: Analyzing trace with hash 762867507, now seen corresponding path program 1 times [2020-10-06 01:00:51,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:00:51,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724637243] [2020-10-06 01:00:51,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:00:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:00:51,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:00:51,575 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724637243] [2020-10-06 01:00:51,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:00:51,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 01:00:51,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [826377142] [2020-10-06 01:00:51,576 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:00:51,578 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:00:51,584 INFO L258 McrAutomatonBuilder]: Finished intersection with 36 states and 59 transitions. [2020-10-06 01:00:51,584 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:00:51,647 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:00:51,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:00:51,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:00:51,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:00:51,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:00:51,649 INFO L87 Difference]: Start difference. First operand 209 states and 572 transitions. Second operand 3 states. [2020-10-06 01:00:51,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:00:51,656 INFO L93 Difference]: Finished difference Result 200 states and 542 transitions. [2020-10-06 01:00:51,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:00:51,657 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-06 01:00:51,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:00:51,658 INFO L225 Difference]: With dead ends: 200 [2020-10-06 01:00:51,659 INFO L226 Difference]: Without dead ends: 200 [2020-10-06 01:00:51,659 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:00:51,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-10-06 01:00:51,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2020-10-06 01:00:51,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-10-06 01:00:51,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 542 transitions. [2020-10-06 01:00:51,666 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 542 transitions. Word has length 13 [2020-10-06 01:00:51,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:00:51,667 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 542 transitions. [2020-10-06 01:00:51,667 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:00:51,667 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 542 transitions. [2020-10-06 01:00:51,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-06 01:00:51,668 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:00:51,668 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:00:51,668 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-06 01:00:51,669 INFO L427 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:00:51,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:00:51,669 INFO L82 PathProgramCache]: Analyzing trace with hash -2120975707, now seen corresponding path program 1 times [2020-10-06 01:00:51,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:00:51,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342391698] [2020-10-06 01:00:51,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:00:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:00:51,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:00:51,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342391698] [2020-10-06 01:00:51,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:00:51,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:00:51,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [82705755] [2020-10-06 01:00:51,709 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:00:51,711 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:00:51,719 INFO L258 McrAutomatonBuilder]: Finished intersection with 39 states and 64 transitions. [2020-10-06 01:00:51,719 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:00:51,730 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:00:51,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 01:00:51,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:00:51,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 01:00:51,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:00:51,732 INFO L87 Difference]: Start difference. First operand 200 states and 542 transitions. Second operand 4 states. [2020-10-06 01:00:51,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:00:51,756 INFO L93 Difference]: Finished difference Result 281 states and 758 transitions. [2020-10-06 01:00:51,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-06 01:00:51,757 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-06 01:00:51,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:00:51,759 INFO L225 Difference]: With dead ends: 281 [2020-10-06 01:00:51,759 INFO L226 Difference]: Without dead ends: 173 [2020-10-06 01:00:51,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:00:51,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-10-06 01:00:51,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2020-10-06 01:00:51,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-10-06 01:00:51,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 452 transitions. [2020-10-06 01:00:51,767 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 452 transitions. Word has length 14 [2020-10-06 01:00:51,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:00:51,768 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 452 transitions. [2020-10-06 01:00:51,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 01:00:51,768 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 452 transitions. [2020-10-06 01:00:51,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-06 01:00:51,808 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:00:51,808 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:00:51,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-06 01:00:51,808 INFO L427 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:00:51,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:00:51,809 INFO L82 PathProgramCache]: Analyzing trace with hash -2121696457, now seen corresponding path program 2 times [2020-10-06 01:00:51,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:00:51,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508004496] [2020-10-06 01:00:51,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:00:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:00:51,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:00:51,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508004496] [2020-10-06 01:00:51,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:00:51,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 01:00:51,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1718786153] [2020-10-06 01:00:51,973 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:00:51,976 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:00:51,985 INFO L258 McrAutomatonBuilder]: Finished intersection with 39 states and 64 transitions. [2020-10-06 01:00:51,985 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:00:52,021 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:00:52,072 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:00:52,097 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:00:52,119 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:00:52,128 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-06 01:00:52,132 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:00:52,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 01:00:52,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:00:52,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 01:00:52,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:00:52,134 INFO L87 Difference]: Start difference. First operand 173 states and 452 transitions. Second operand 4 states. [2020-10-06 01:00:52,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:00:52,161 INFO L93 Difference]: Finished difference Result 102 states and 240 transitions. [2020-10-06 01:00:52,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 01:00:52,162 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-06 01:00:52,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:00:52,162 INFO L225 Difference]: With dead ends: 102 [2020-10-06 01:00:52,162 INFO L226 Difference]: Without dead ends: 0 [2020-10-06 01:00:52,163 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 01:00:52,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-06 01:00:52,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-06 01:00:52,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-06 01:00:52,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-06 01:00:52,164 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-10-06 01:00:52,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:00:52,164 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-06 01:00:52,164 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 01:00:52,165 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-06 01:00:52,165 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-06 01:00:52,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-06 01:00:52,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 01:00:52 BasicIcfg [2020-10-06 01:00:52,169 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 01:00:52,171 INFO L168 Benchmark]: Toolchain (without parser) took 7813.65 ms. Allocated memory was 141.0 MB in the beginning and 324.0 MB in the end (delta: 183.0 MB). Free memory was 102.8 MB in the beginning and 248.0 MB in the end (delta: -145.2 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. [2020-10-06 01:00:52,172 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-06 01:00:52,173 INFO L168 Benchmark]: CACSL2BoogieTranslator took 807.20 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 102.6 MB in the beginning and 157.0 MB in the end (delta: -54.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2020-10-06 01:00:52,174 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.82 ms. Allocated memory is still 203.4 MB. Free memory was 157.0 MB in the beginning and 154.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-06 01:00:52,174 INFO L168 Benchmark]: Boogie Preprocessor took 39.40 ms. Allocated memory is still 203.4 MB. Free memory was 154.4 MB in the beginning and 151.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-06 01:00:52,175 INFO L168 Benchmark]: RCFGBuilder took 2085.73 ms. Allocated memory was 203.4 MB in the beginning and 247.5 MB in the end (delta: 44.0 MB). Free memory was 151.8 MB in the beginning and 190.5 MB in the end (delta: -38.7 MB). Peak memory consumption was 102.0 MB. Max. memory is 7.1 GB. [2020-10-06 01:00:52,176 INFO L168 Benchmark]: TraceAbstraction took 4813.68 ms. Allocated memory was 247.5 MB in the beginning and 324.0 MB in the end (delta: 76.5 MB). Free memory was 188.7 MB in the beginning and 248.0 MB in the end (delta: -59.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2020-10-06 01:00:52,180 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 807.20 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 102.6 MB in the beginning and 157.0 MB in the end (delta: -54.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 61.82 ms. Allocated memory is still 203.4 MB. Free memory was 157.0 MB in the beginning and 154.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.40 ms. Allocated memory is still 203.4 MB. Free memory was 154.4 MB in the beginning and 151.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2085.73 ms. Allocated memory was 203.4 MB in the beginning and 247.5 MB in the end (delta: 44.0 MB). Free memory was 151.8 MB in the beginning and 190.5 MB in the end (delta: -38.7 MB). Peak memory consumption was 102.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4813.68 ms. Allocated memory was 247.5 MB in the beginning and 324.0 MB in the end (delta: 76.5 MB). Free memory was 188.7 MB in the beginning and 248.0 MB in the end (delta: -59.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.8s, 100 ProgramPointsBefore, 35 ProgramPointsAfterwards, 92 TransitionsBefore, 25 TransitionsAfterwards, 1544 CoEnabledTransitionPairs, 7 FixpointIterations, 32 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 779 VarBasedMoverChecksPositive, 30 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 3836 CheckedPairsTotal, 77 TotalNumberOfCompositions - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 91 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.6s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.9s, HoareTripleCheckerStatistics: 192 SDtfs, 115 SDslu, 189 SDs, 0 SdLazy, 71 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=658occurred 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: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 108 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 2156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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 proved your program to be correct! Received shutdown request...