/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=27.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 13:35:07,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 13:35:07,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 13:35:07,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 13:35:07,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 13:35:07,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 13:35:07,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 13:35:07,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 13:35:07,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 13:35:07,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 13:35:07,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 13:35:07,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 13:35:07,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 13:35:07,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 13:35:07,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 13:35:07,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 13:35:08,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 13:35:08,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 13:35:08,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 13:35:08,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 13:35:08,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 13:35:08,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 13:35:08,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 13:35:08,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 13:35:08,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 13:35:08,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 13:35:08,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 13:35:08,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 13:35:08,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 13:35:08,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 13:35:08,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 13:35:08,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 13:35:08,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 13:35:08,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 13:35:08,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 13:35:08,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 13:35:08,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 13:35:08,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 13:35:08,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 13:35:08,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 13:35:08,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 13:35:08,044 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 13:35:08,097 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 13:35:08,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 13:35:08,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 13:35:08,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 13:35:08,101 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 13:35:08,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 13:35:08,101 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 13:35:08,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 13:35:08,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 13:35:08,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 13:35:08,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 13:35:08,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 13:35:08,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 13:35:08,104 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 13:35:08,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 13:35:08,105 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 13:35:08,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 13:35:08,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 13:35:08,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 13:35:08,105 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 13:35:08,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 13:35:08,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 13:35:08,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 13:35:08,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 13:35:08,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 13:35:08,107 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-09-29 13:35:08,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 13:35:08,107 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-09-29 13:35:08,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 13:35:08,107 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 13:35:08,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 13:35:08,580 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 13:35:08,584 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 13:35:08,586 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 13:35:08,586 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 13:35:08,588 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=27.bpl [2020-09-29 13:35:08,588 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=27.bpl' [2020-09-29 13:35:08,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 13:35:08,655 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 13:35:08,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 13:35:08,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 13:35:08,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 13:35:08,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:35:08" (1/1) ... [2020-09-29 13:35:08,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:35:08" (1/1) ... [2020-09-29 13:35:08,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 13:35:08,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 13:35:08,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 13:35:08,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 13:35:08,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:35:08" (1/1) ... [2020-09-29 13:35:08,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:35:08" (1/1) ... [2020-09-29 13:35:08,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:35:08" (1/1) ... [2020-09-29 13:35:08,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:35:08" (1/1) ... [2020-09-29 13:35:08,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:35:08" (1/1) ... [2020-09-29 13:35:08,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:35:08" (1/1) ... [2020-09-29 13:35:08,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:35:08" (1/1) ... [2020-09-29 13:35:08,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 13:35:08,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 13:35:08,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 13:35:08,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 13:35:08,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:35:08" (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 13:35:08,922 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-09-29 13:35:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-09-29 13:35:08,924 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-09-29 13:35:08,924 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-09-29 13:35:08,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-09-29 13:35:08,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-09-29 13:35:08,925 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-09-29 13:35:08,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-09-29 13:35:08,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-09-29 13:35:08,926 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-09-29 13:35:08,926 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-09-29 13:35:08,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-09-29 13:35:08,927 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-09-29 13:35:08,927 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-09-29 13:35:08,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-09-29 13:35:08,927 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 13:35:08,928 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 13:35:08,928 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 13:35:08,928 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-09-29 13:35:08,928 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-09-29 13:35:08,929 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-09-29 13:35:08,930 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-09-29 13:35:08,930 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-09-29 13:35:08,931 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-09-29 13:35:08,938 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 13:35:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 13:35:08,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 13:35:08,942 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 13:35:08,942 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 13:35:08,942 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 13:35:08,943 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 13:35:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 13:35:08,943 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 13:35:08,943 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 13:35:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 13:35:08,944 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 13:35:08,945 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 13:35:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 13:35:08,945 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 13:35:08,945 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 13:35:08,946 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 13:35:08,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 13:35:08,946 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 13:35:08,946 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 13:35:08,947 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 13:35:08,948 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 13:35:08,948 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 13:35:08,948 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 13:35:08,948 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 13:35:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 13:35:08,949 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 13:35:08,949 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 13:35:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 13:35:08,950 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 13:35:08,950 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 13:35:08,950 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 13:35:08,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 13:35:08,951 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 13:35:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 13:35:08,952 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 13:35:08,952 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 13:35:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 13:35:08,952 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 13:35:08,952 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 13:35:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 13:35:08,953 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 13:35:08,954 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 13:35:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 13:35:08,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 13:35:08,955 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 13:35:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 13:35:08,956 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 13:35:08,956 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 13:35:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 13:35:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 13:35:08,957 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 13:35:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 13:35:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 13:35:08,958 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 13:35:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 13:35:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 13:35:08,958 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 13:35:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 13:35:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 13:35:08,961 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 13:35:09,404 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 13:35:09,404 INFO L298 CfgBuilder]: Removed 27 assume(true) statements. [2020-09-29 13:35:09,410 INFO L202 PluginConnector]: Adding new model example2_N=27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 01:35:09 BoogieIcfgContainer [2020-09-29 13:35:09,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 13:35:09,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 13:35:09,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 13:35:09,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 13:35:09,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 01:35:08" (1/2) ... [2020-09-29 13:35:09,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1868154a and model type example2_N=27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 01:35:09, skipping insertion in model container [2020-09-29 13:35:09,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 01:35:09" (2/2) ... [2020-09-29 13:35:09,420 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=27.bpl [2020-09-29 13:35:09,431 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 13:35:09,432 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 13:35:09,442 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 13:35:09,443 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 13:35:09,891 INFO L251 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2020-09-29 13:35:09,920 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 13:35:09,921 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 13:35:09,921 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 13:35:09,921 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 13:35:09,921 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 13:35:09,922 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 13:35:09,922 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 13:35:09,922 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 13:35:09,945 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 194 places, 139 transitions, 494 flow Received shutdown request... [2020-09-29 13:47:57,144 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 13:47:57,150 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 13:47:57,150 INFO L202 PluginConnector]: Adding new model example2_N=27.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 01:47:57 BasicIcfg [2020-09-29 13:47:57,151 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 13:47:57,166 INFO L168 Benchmark]: Toolchain (without parser) took 768508.62 ms. Allocated memory was 253.2 MB in the beginning and 9.9 GB in the end (delta: 9.7 GB). Free memory was 227.1 MB in the beginning and 2.3 GB in the end (delta: -2.0 GB). Peak memory consumption was 8.8 GB. Max. memory is 14.2 GB. [2020-09-29 13:47:57,168 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.28 ms. Allocated memory is still 253.2 MB. Free memory is still 229.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 13:47:57,170 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.22 ms. Allocated memory is still 253.2 MB. Free memory is still 227.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 13:47:57,172 INFO L168 Benchmark]: Boogie Preprocessor took 84.16 ms. Allocated memory is still 253.2 MB. Free memory was 227.1 MB in the beginning and 224.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-09-29 13:47:57,174 INFO L168 Benchmark]: RCFGBuilder took 608.88 ms. Allocated memory is still 253.2 MB. Free memory was 224.6 MB in the beginning and 199.3 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 14.2 GB. [2020-09-29 13:47:57,175 INFO L168 Benchmark]: TraceAbstraction took 767739.10 ms. Allocated memory was 253.2 MB in the beginning and 9.9 GB in the end (delta: 9.7 GB). Free memory was 199.3 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 8.7 GB. Max. memory is 14.2 GB. [2020-09-29 13:47:57,182 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 0.28 ms. Allocated memory is still 253.2 MB. Free memory is still 229.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 61.22 ms. Allocated memory is still 253.2 MB. Free memory is still 227.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 84.16 ms. Allocated memory is still 253.2 MB. Free memory was 227.1 MB in the beginning and 224.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 608.88 ms. Allocated memory is still 253.2 MB. Free memory was 224.6 MB in the beginning and 199.3 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 14.2 GB. * TraceAbstraction took 767739.10 ms. Allocated memory was 253.2 MB in the beginning and 9.9 GB in the end (delta: 9.7 GB). Free memory was 199.3 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 8.7 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 64). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 194 places, 139 transitions, 494 flow. Already constructed 784151 states. Currently 299519 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 113 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 767.2s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 767.2s, 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