/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=36.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 19:03:21,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 19:03:21,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 19:03:21,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 19:03:21,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 19:03:21,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 19:03:21,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 19:03:21,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 19:03:21,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 19:03:21,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 19:03:21,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 19:03:21,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 19:03:21,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 19:03:21,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 19:03:21,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 19:03:21,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 19:03:21,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 19:03:21,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 19:03:21,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 19:03:21,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 19:03:21,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 19:03:21,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 19:03:21,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 19:03:21,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 19:03:21,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 19:03:21,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 19:03:21,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 19:03:21,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 19:03:21,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 19:03:21,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 19:03:21,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 19:03:21,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 19:03:21,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 19:03:21,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 19:03:21,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 19:03:21,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 19:03:21,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 19:03:21,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 19:03:21,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 19:03:21,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 19:03:21,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 19:03:21,346 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-06 19:03:21,368 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 19:03:21,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 19:03:21,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 19:03:21,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 19:03:21,370 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 19:03:21,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 19:03:21,370 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 19:03:21,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 19:03:21,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 19:03:21,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 19:03:21,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 19:03:21,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 19:03:21,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 19:03:21,372 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 19:03:21,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 19:03:21,372 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 19:03:21,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 19:03:21,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 19:03:21,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 19:03:21,373 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 19:03:21,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 19:03:21,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 19:03:21,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 19:03:21,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 19:03:21,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 19:03:21,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 19:03:21,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 19:03:21,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 19:03:21,375 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 19:03:21,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 19:03:21,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 19:03:21,699 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 19:03:21,704 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 19:03:21,707 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 19:03:21,708 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 19:03:21,708 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=36.bpl [2020-10-06 19:03:21,709 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=36.bpl' [2020-10-06 19:03:21,766 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 19:03:21,768 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 19:03:21,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 19:03:21,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 19:03:21,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 19:03:21,785 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 06.10 07:03:21" (1/1) ... [2020-10-06 19:03:21,798 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 06.10 07:03:21" (1/1) ... [2020-10-06 19:03:21,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 19:03:21,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 19:03:21,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 19:03:21,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 19:03:21,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:21" (1/1) ... [2020-10-06 19:03:21,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:21" (1/1) ... [2020-10-06 19:03:21,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:21" (1/1) ... [2020-10-06 19:03:21,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:21" (1/1) ... [2020-10-06 19:03:21,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:21" (1/1) ... [2020-10-06 19:03:21,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:21" (1/1) ... [2020-10-06 19:03:21,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:21" (1/1) ... [2020-10-06 19:03:21,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 19:03:21,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 19:03:21,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 19:03:21,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 19:03:21,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 19:03:21,942 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-06 19:03:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-06 19:03:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-06 19:03:21,943 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 19:03:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 19:03:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 19:03:21,944 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 19:03:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 19:03:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 19:03:21,945 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 19:03:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 19:03:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 19:03:21,945 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 19:03:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 19:03:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 19:03:21,946 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 19:03:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 19:03:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 19:03:21,947 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 19:03:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 19:03:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 19:03:21,947 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 19:03:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 19:03:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 19:03:21,948 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 19:03:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 19:03:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 19:03:21,949 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 19:03:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 19:03:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 19:03:21,949 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 19:03:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 19:03:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 19:03:21,950 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 19:03:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 19:03:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 19:03:21,950 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 19:03:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 19:03:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 19:03:21,951 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 19:03:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 19:03:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 19:03:21,952 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 19:03:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 19:03:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 19:03:21,952 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 19:03:21,952 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 19:03:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 19:03:21,953 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 19:03:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 19:03:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 19:03:21,953 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 19:03:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 19:03:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 19:03:21,954 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 19:03:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 19:03:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 19:03:21,955 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 19:03:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 19:03:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 19:03:21,955 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 19:03:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 19:03:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 19:03:21,956 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 19:03:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 19:03:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 19:03:21,957 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-06 19:03:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-06 19:03:21,957 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-06 19:03:21,957 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-06 19:03:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-06 19:03:21,958 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-06 19:03:21,958 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 19:03:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 19:03:21,958 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 19:03:21,959 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-06 19:03:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-06 19:03:21,959 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-06 19:03:21,959 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 19:03:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 19:03:21,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 19:03:21,960 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 19:03:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 19:03:21,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 19:03:21,960 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 19:03:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 19:03:21,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 19:03:21,961 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 19:03:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 19:03:21,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 19:03:21,962 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-06 19:03:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-06 19:03:21,962 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-06 19:03:21,962 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 19:03:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 19:03:21,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 19:03:21,963 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-06 19:03:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-06 19:03:21,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-06 19:03:21,963 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-06 19:03:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-06 19:03:21,964 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-06 19:03:21,964 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 19:03:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 19:03:21,964 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 19:03:21,964 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-06 19:03:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-06 19:03:21,965 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-06 19:03:21,965 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 19:03:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 19:03:21,965 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 19:03:21,967 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 19:03:22,546 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 19:03:22,546 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-10-06 19:03:22,549 INFO L202 PluginConnector]: Adding new model example2_N=36.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:03:22 BoogieIcfgContainer [2020-10-06 19:03:22,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 19:03:22,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 19:03:22,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 19:03:22,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 19:03:22,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:21" (1/2) ... [2020-10-06 19:03:22,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d06e31e and model type example2_N=36.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 07:03:22, skipping insertion in model container [2020-10-06 19:03:22,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=36.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:03:22" (2/2) ... [2020-10-06 19:03:22,558 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=36.bpl [2020-10-06 19:03:22,570 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 19:03:22,570 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 19:03:22,578 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 19:03:22,579 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 19:03:23,154 INFO L253 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2020-10-06 19:03:23,176 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 19:03:23,176 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 19:03:23,177 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 19:03:23,177 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 19:03:23,177 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 19:03:23,177 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 19:03:23,177 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 19:03:23,177 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 19:03:23,194 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 19:03:23,197 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 293 places, 220 transitions, 728 flow [2020-10-06 19:03:23,199 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 293 places, 220 transitions, 728 flow [2020-10-06 19:03:23,201 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 293 places, 220 transitions, 728 flow [2020-10-06 19:03:23,317 INFO L129 PetriNetUnfolder]: 36/184 cut-off events. [2020-10-06 19:03:23,317 INFO L130 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2020-10-06 19:03:23,330 INFO L80 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 184 events. 36/184 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 253 event pairs, 0 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 213. Up to 2 conditions per place. [2020-10-06 19:03:23,351 INFO L117 LiptonReduction]: Number of co-enabled transitions 18900 [2020-10-06 19:03:24,192 INFO L132 LiptonReduction]: Checked pairs total: 29855 [2020-10-06 19:03:24,192 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 19:03:24,199 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 291 places, 218 transitions, 724 flow Received shutdown request... [2020-10-06 19:17:00,345 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:17:00,348 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:17:00,349 INFO L202 PluginConnector]: Adding new model example2_N=36.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:17:00 BasicIcfg [2020-10-06 19:17:00,349 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:17:00,357 INFO L168 Benchmark]: Toolchain (without parser) took 818583.76 ms. Allocated memory was 251.1 MB in the beginning and 8.4 GB in the end (delta: 8.2 GB). Free memory was 225.0 MB in the beginning and 3.3 GB in the end (delta: -3.1 GB). Peak memory consumption was 7.1 GB. Max. memory is 14.2 GB. [2020-10-06 19:17:00,358 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:17:00,365 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.26 ms. Allocated memory is still 251.1 MB. Free memory was 225.0 MB in the beginning and 222.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:17:00,366 INFO L168 Benchmark]: Boogie Preprocessor took 45.78 ms. Allocated memory is still 251.1 MB. Free memory is still 222.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:17:00,367 INFO L168 Benchmark]: RCFGBuilder took 694.02 ms. Allocated memory is still 251.1 MB. Free memory was 222.5 MB in the beginning and 187.2 MB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 14.2 GB. [2020-10-06 19:17:00,369 INFO L168 Benchmark]: TraceAbstraction took 817799.05 ms. Allocated memory was 251.1 MB in the beginning and 8.4 GB in the end (delta: 8.2 GB). Free memory was 187.2 MB in the beginning and 3.3 GB in the end (delta: -3.1 GB). Peak memory consumption was 7.1 GB. Max. memory is 14.2 GB. [2020-10-06 19:17:00,373 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 0.18 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 40.26 ms. Allocated memory is still 251.1 MB. Free memory was 225.0 MB in the beginning and 222.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 45.78 ms. Allocated memory is still 251.1 MB. Free memory is still 222.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 694.02 ms. Allocated memory is still 251.1 MB. Free memory was 222.5 MB in the beginning and 187.2 MB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 14.2 GB. * TraceAbstraction took 817799.05 ms. Allocated memory was 251.1 MB in the beginning and 8.4 GB in the end (delta: 8.2 GB). Free memory was 187.2 MB in the beginning and 3.3 GB in the end (delta: -3.1 GB). Peak memory consumption was 7.1 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5112 VarBasedMoverChecksPositive, 176 VarBasedMoverChecksNegative, 107 SemBasedMoverChecksPositive, 69 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 5145 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.9s, 293 PlacesBefore, 291 PlacesAfterwards, 220 TransitionsBefore, 218 TransitionsAfterwards, 18900 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 29855 MoverChecksTotal - 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 291 places, 218 transitions, 724 flow. Already constructed 804582 states. Currently 402292 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 185 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 817.1s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 817.1s, 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