/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_FA.epf -i ../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=36.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 13:48:09,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 13:48:09,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 13:48:09,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 13:48:09,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 13:48:09,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 13:48:09,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 13:48:09,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 13:48:09,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 13:48:09,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 13:48:09,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 13:48:09,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 13:48:09,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 13:48:09,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 13:48:09,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 13:48:09,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 13:48:09,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 13:48:09,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 13:48:09,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 13:48:09,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 13:48:09,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 13:48:09,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 13:48:09,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 13:48:09,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 13:48:09,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 13:48:09,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 13:48:09,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 13:48:09,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 13:48:09,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 13:48:09,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 13:48:09,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 13:48:09,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 13:48:09,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 13:48:09,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 13:48:09,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 13:48:09,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 13:48:09,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 13:48:09,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 13:48:09,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 13:48:09,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 13:48:09,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 13:48:09,151 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_FA.epf [2020-09-29 13:48:09,200 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 13:48:09,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 13:48:09,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 13:48:09,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 13:48:09,204 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 13:48:09,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 13:48:09,204 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 13:48:09,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 13:48:09,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 13:48:09,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 13:48:09,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 13:48:09,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 13:48:09,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 13:48:09,207 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 13:48:09,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 13:48:09,207 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 13:48:09,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 13:48:09,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 13:48:09,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 13:48:09,208 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 13:48:09,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 13:48:09,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 13:48:09,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 13:48:09,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 13:48:09,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 13:48:09,209 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-09-29 13:48:09,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 13:48:09,209 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-09-29 13:48:09,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 13:48:09,210 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 13:48:09,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 13:48:09,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 13:48:09,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 13:48:09,668 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 13:48:09,668 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 13:48:09,669 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=36.bpl [2020-09-29 13:48:09,670 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=36.bpl' [2020-09-29 13:48:09,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 13:48:09,742 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 13:48:09,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 13:48:09,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 13:48:09,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 13:48:09,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:48:09" (1/1) ... [2020-09-29 13:48:09,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:48:09" (1/1) ... [2020-09-29 13:48:09,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 13:48:09,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 13:48:09,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 13:48:09,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 13:48:09,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:48:09" (1/1) ... [2020-09-29 13:48:09,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:48:09" (1/1) ... [2020-09-29 13:48:09,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:48:09" (1/1) ... [2020-09-29 13:48:09,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:48:09" (1/1) ... [2020-09-29 13:48:09,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:48:09" (1/1) ... [2020-09-29 13:48:09,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:48:09" (1/1) ... [2020-09-29 13:48:09,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:48:09" (1/1) ... [2020-09-29 13:48:09,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 13:48:09,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 13:48:09,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 13:48:09,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 13:48:09,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:48:09" (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 [2020-09-29 13:48:09,949 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-09-29 13:48:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-09-29 13:48:09,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-09-29 13:48:09,952 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-09-29 13:48:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-09-29 13:48:09,952 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-09-29 13:48:09,952 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-09-29 13:48:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-09-29 13:48:09,953 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-09-29 13:48:09,953 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-09-29 13:48:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-09-29 13:48:09,953 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-09-29 13:48:09,954 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-09-29 13:48:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-09-29 13:48:09,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-09-29 13:48:09,954 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-09-29 13:48:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-09-29 13:48:09,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-09-29 13:48:09,955 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-09-29 13:48:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-09-29 13:48:09,956 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-09-29 13:48:09,956 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 13:48:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 13:48:09,957 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 13:48:09,963 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-09-29 13:48:09,965 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-09-29 13:48:09,965 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-09-29 13:48:09,966 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-09-29 13:48:09,966 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-09-29 13:48:09,966 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-09-29 13:48:09,967 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 13:48:09,967 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 13:48:09,967 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 13:48:09,967 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 13:48:09,968 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 13:48:09,968 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 13:48:09,968 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 13:48:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 13:48:09,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 13:48:09,969 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 13:48:09,969 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 13:48:09,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 13:48:09,969 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 13:48:09,970 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 13:48:09,970 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 13:48:09,970 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 13:48:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 13:48:09,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 13:48:09,971 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 13:48:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 13:48:09,972 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 13:48:09,972 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 13:48:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 13:48:09,973 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 13:48:09,973 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 13:48:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 13:48:09,973 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 13:48:09,974 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 13:48:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 13:48:09,974 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 13:48:09,975 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 13:48:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 13:48:09,975 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 13:48:09,975 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 13:48:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 13:48:09,976 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 13:48:09,977 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-09-29 13:48:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-09-29 13:48:09,977 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-09-29 13:48:09,977 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-09-29 13:48:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-09-29 13:48:09,978 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-09-29 13:48:09,978 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 13:48:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 13:48:09,979 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 13:48:09,979 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-09-29 13:48:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-09-29 13:48:09,979 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-09-29 13:48:09,979 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 13:48:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 13:48:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 13:48:09,980 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 13:48:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 13:48:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 13:48:09,981 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 13:48:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 13:48:09,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 13:48:09,982 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 13:48:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 13:48:09,983 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 13:48:09,983 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-09-29 13:48:09,983 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-09-29 13:48:09,983 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-09-29 13:48:09,983 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 13:48:09,983 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 13:48:09,984 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 13:48:09,984 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-09-29 13:48:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-09-29 13:48:09,984 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-09-29 13:48:09,984 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-09-29 13:48:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-09-29 13:48:09,985 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-09-29 13:48:09,985 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 13:48:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 13:48:09,985 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 13:48:09,985 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-09-29 13:48:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-09-29 13:48:09,986 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-09-29 13:48:09,987 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 13:48:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 13:48:09,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 13:48:09,992 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-29 13:48:10,466 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 13:48:10,467 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-09-29 13:48:10,472 INFO L202 PluginConnector]: Adding new model example2_N=36.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 01:48:10 BoogieIcfgContainer [2020-09-29 13:48:10,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 13:48:10,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 13:48:10,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 13:48:10,478 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 13:48:10,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:48:09" (1/2) ... [2020-09-29 13:48:10,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1773d191 and model type example2_N=36.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 01:48:10, skipping insertion in model container [2020-09-29 13:48:10,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 01:48:10" (2/2) ... [2020-09-29 13:48:10,482 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=36.bpl [2020-09-29 13:48:10,493 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 13:48:10,493 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 13:48:10,503 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 13:48:10,505 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 13:48:11,290 INFO L251 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2020-09-29 13:48:11,319 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 13:48:11,319 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 13:48:11,319 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 13:48:11,319 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 13:48:11,320 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 13:48:11,320 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 13:48:11,320 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 13:48:11,320 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 13:48:11,341 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 257 places, 184 transitions, 656 flow Received shutdown request... [2020-09-29 14:00:57,392 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 14:00:57,398 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 14:00:57,398 INFO L202 PluginConnector]: Adding new model example2_N=36.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 02:00:57 BasicIcfg [2020-09-29 14:00:57,399 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 14:00:57,402 INFO L168 Benchmark]: Toolchain (without parser) took 767664.03 ms. Allocated memory was 249.6 MB in the beginning and 10.7 GB in the end (delta: 10.4 GB). Free memory was 225.1 MB in the beginning and 2.9 GB in the end (delta: -2.7 GB). Peak memory consumption was 9.8 GB. Max. memory is 14.2 GB. [2020-09-29 14:00:57,409 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 249.6 MB. Free memory is still 226.8 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 14:00:57,411 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.25 ms. Allocated memory is still 249.6 MB. Free memory was 224.3 MB in the beginning and 222.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-09-29 14:00:57,413 INFO L168 Benchmark]: Boogie Preprocessor took 53.78 ms. Allocated memory is still 249.6 MB. Free memory was 222.6 MB in the beginning and 220.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-09-29 14:00:57,414 INFO L168 Benchmark]: RCFGBuilder took 627.63 ms. Allocated memory is still 249.6 MB. Free memory was 220.9 MB in the beginning and 190.6 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 14.2 GB. [2020-09-29 14:00:57,416 INFO L168 Benchmark]: TraceAbstraction took 766924.82 ms. Allocated memory was 249.6 MB in the beginning and 10.7 GB in the end (delta: 10.4 GB). Free memory was 189.8 MB in the beginning and 2.9 GB in the end (delta: -2.7 GB). Peak memory consumption was 9.8 GB. Max. memory is 14.2 GB. [2020-09-29 14:00:57,428 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 249.6 MB. Free memory is still 226.8 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 48.25 ms. Allocated memory is still 249.6 MB. Free memory was 224.3 MB in the beginning and 222.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 53.78 ms. Allocated memory is still 249.6 MB. Free memory was 222.6 MB in the beginning and 220.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 627.63 ms. Allocated memory is still 249.6 MB. Free memory was 220.9 MB in the beginning and 190.6 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 766924.82 ms. Allocated memory was 249.6 MB in the beginning and 10.7 GB in the end (delta: 10.4 GB). Free memory was 189.8 MB in the beginning and 2.9 GB in the end (delta: -2.7 GB). Peak memory consumption was 9.8 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 82). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 257 places, 184 transitions, 656 flow. Already constructed 852168 states. Currently 325503 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 149 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 766.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 766.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown