/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=50.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 12:55:48,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 12:55:48,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 12:55:49,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 12:55:49,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 12:55:49,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 12:55:49,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 12:55:49,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 12:55:49,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 12:55:49,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 12:55:49,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 12:55:49,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 12:55:49,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 12:55:49,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 12:55:49,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 12:55:49,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 12:55:49,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 12:55:49,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 12:55:49,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 12:55:49,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 12:55:49,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 12:55:49,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 12:55:49,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 12:55:49,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 12:55:49,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 12:55:49,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 12:55:49,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 12:55:49,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 12:55:49,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 12:55:49,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 12:55:49,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 12:55:49,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 12:55:49,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 12:55:49,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 12:55:49,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 12:55:49,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 12:55:49,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 12:55:49,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 12:55:49,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 12:55:49,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 12:55:49,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 12:55:49,078 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 [2020-09-29 12:55:49,129 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 12:55:49,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 12:55:49,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 12:55:49,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 12:55:49,132 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 12:55:49,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 12:55:49,133 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 12:55:49,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 12:55:49,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 12:55:49,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 12:55:49,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 12:55:49,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 12:55:49,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 12:55:49,136 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 12:55:49,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 12:55:49,136 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 12:55:49,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 12:55:49,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 12:55:49,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 12:55:49,137 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 12:55:49,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 12:55:49,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 12:55:49,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 12:55:49,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 12:55:49,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 12:55:49,138 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-29 12:55:49,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 12:55:49,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 12:55:49,138 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-29 12:55:49,139 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 12:55:49,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 12:55:49,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 12:55:49,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 12:55:49,642 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 12:55:49,645 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 12:55:49,647 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=50.bpl [2020-09-29 12:55:49,647 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=50.bpl' [2020-09-29 12:55:49,740 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 12:55:49,748 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 12:55:49,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 12:55:49,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 12:55:49,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 12:55:49,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:55:49" (1/1) ... [2020-09-29 12:55:49,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:55:49" (1/1) ... [2020-09-29 12:55:49,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 12:55:49,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 12:55:49,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 12:55:49,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 12:55:49,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:55:49" (1/1) ... [2020-09-29 12:55:49,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:55:49" (1/1) ... [2020-09-29 12:55:49,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:55:49" (1/1) ... [2020-09-29 12:55:49,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:55:49" (1/1) ... [2020-09-29 12:55:49,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:55:49" (1/1) ... [2020-09-29 12:55:49,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:55:49" (1/1) ... [2020-09-29 12:55:49,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:55:49" (1/1) ... [2020-09-29 12:55:49,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 12:55:49,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 12:55:49,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 12:55:49,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 12:55:49,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:55:49" (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 12:55:50,025 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-09-29 12:55:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-09-29 12:55:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-09-29 12:55:50,026 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-09-29 12:55:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-09-29 12:55:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-09-29 12:55:50,027 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-09-29 12:55:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-09-29 12:55:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-09-29 12:55:50,028 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-09-29 12:55:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-09-29 12:55:50,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-09-29 12:55:50,028 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-09-29 12:55:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-09-29 12:55:50,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-09-29 12:55:50,029 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-09-29 12:55:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-09-29 12:55:50,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-09-29 12:55:50,029 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-09-29 12:55:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-09-29 12:55:50,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-09-29 12:55:50,030 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 12:55:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 12:55:50,031 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 12:55:50,031 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-09-29 12:55:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-09-29 12:55:50,031 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-09-29 12:55:50,032 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-09-29 12:55:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-09-29 12:55:50,032 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-09-29 12:55:50,032 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-09-29 12:55:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-09-29 12:55:50,033 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-09-29 12:55:50,033 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 12:55:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 12:55:50,033 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 12:55:50,034 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 12:55:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 12:55:50,034 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 12:55:50,034 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 12:55:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 12:55:50,035 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 12:55:50,035 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 12:55:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 12:55:50,036 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 12:55:50,036 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 12:55:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 12:55:50,036 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 12:55:50,037 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 12:55:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 12:55:50,037 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 12:55:50,037 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 12:55:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 12:55:50,037 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 12:55:50,038 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 12:55:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 12:55:50,038 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 12:55:50,038 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 12:55:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 12:55:50,039 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 12:55:50,039 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-09-29 12:55:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-09-29 12:55:50,039 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-09-29 12:55:50,040 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-09-29 12:55:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-09-29 12:55:50,040 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-09-29 12:55:50,040 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-09-29 12:55:50,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-09-29 12:55:50,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-09-29 12:55:50,041 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-09-29 12:55:50,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-09-29 12:55:50,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-09-29 12:55:50,042 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-09-29 12:55:50,042 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-09-29 12:55:50,042 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-09-29 12:55:50,042 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-09-29 12:55:50,042 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-09-29 12:55:50,042 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-09-29 12:55:50,043 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-09-29 12:55:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-09-29 12:55:50,043 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-09-29 12:55:50,043 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-09-29 12:55:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-09-29 12:55:50,044 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-09-29 12:55:50,044 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-09-29 12:55:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-09-29 12:55:50,044 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-09-29 12:55:50,044 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-09-29 12:55:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-09-29 12:55:50,045 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-09-29 12:55:50,045 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-09-29 12:55:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-09-29 12:55:50,045 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-09-29 12:55:50,046 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread47 given in one single declaration [2020-09-29 12:55:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure thread47 [2020-09-29 12:55:50,046 INFO L138 BoogieDeclarations]: Found implementation of procedure thread47 [2020-09-29 12:55:50,046 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread46 given in one single declaration [2020-09-29 12:55:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure thread46 [2020-09-29 12:55:50,047 INFO L138 BoogieDeclarations]: Found implementation of procedure thread46 [2020-09-29 12:55:50,047 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread49 given in one single declaration [2020-09-29 12:55:50,047 INFO L130 BoogieDeclarations]: Found specification of procedure thread49 [2020-09-29 12:55:50,047 INFO L138 BoogieDeclarations]: Found implementation of procedure thread49 [2020-09-29 12:55:50,047 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread48 given in one single declaration [2020-09-29 12:55:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure thread48 [2020-09-29 12:55:50,048 INFO L138 BoogieDeclarations]: Found implementation of procedure thread48 [2020-09-29 12:55:50,048 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-09-29 12:55:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-09-29 12:55:50,048 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-09-29 12:55:50,049 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-09-29 12:55:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-09-29 12:55:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-09-29 12:55:50,049 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread45 given in one single declaration [2020-09-29 12:55:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure thread45 [2020-09-29 12:55:50,050 INFO L138 BoogieDeclarations]: Found implementation of procedure thread45 [2020-09-29 12:55:50,050 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread44 given in one single declaration [2020-09-29 12:55:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure thread44 [2020-09-29 12:55:50,050 INFO L138 BoogieDeclarations]: Found implementation of procedure thread44 [2020-09-29 12:55:50,051 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 12:55:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 12:55:50,051 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 12:55:50,051 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 12:55:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 12:55:50,051 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 12:55:50,052 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 12:55:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 12:55:50,052 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 12:55:50,052 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread50 given in one single declaration [2020-09-29 12:55:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure thread50 [2020-09-29 12:55:50,053 INFO L138 BoogieDeclarations]: Found implementation of procedure thread50 [2020-09-29 12:55:50,053 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 12:55:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 12:55:50,053 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 12:55:50,053 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 12:55:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 12:55:50,054 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 12:55:50,054 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 12:55:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 12:55:50,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 12:55:50,055 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 12:55:50,055 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 12:55:50,055 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 12:55:50,056 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 12:55:50,056 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 12:55:50,056 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 12:55:50,056 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 12:55:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 12:55:50,057 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 12:55:50,057 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 12:55:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 12:55:50,057 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 12:55:50,058 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 12:55:50,058 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 12:55:50,058 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 12:55:50,060 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 12:55:50,615 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 12:55:50,615 INFO L298 CfgBuilder]: Removed 50 assume(true) statements. [2020-09-29 12:55:50,621 INFO L202 PluginConnector]: Adding new model example2_N=50.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:55:50 BoogieIcfgContainer [2020-09-29 12:55:50,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 12:55:50,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 12:55:50,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 12:55:50,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 12:55:50,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:55:49" (1/2) ... [2020-09-29 12:55:50,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f4c32a and model type example2_N=50.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 12:55:50, skipping insertion in model container [2020-09-29 12:55:50,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:55:50" (2/2) ... [2020-09-29 12:55:50,630 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=50.bpl [2020-09-29 12:55:50,642 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 12:55:50,642 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 12:55:50,653 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 12:55:50,654 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 12:55:51,715 INFO L251 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2020-09-29 12:55:51,743 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 12:55:51,743 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 12:55:51,743 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 12:55:51,744 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 12:55:51,744 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 12:55:51,744 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 12:55:51,744 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 12:55:51,744 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 12:55:51,780 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 355 places, 254 transitions, 908 flow [2020-09-29 12:55:51,782 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 355 places, 254 transitions, 908 flow [2020-09-29 12:55:51,957 INFO L129 PetriNetUnfolder]: 50/204 cut-off events. [2020-09-29 12:55:51,958 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-09-29 12:55:51,982 INFO L80 FinitePrefix]: Finished finitePrefix Result has 405 conditions, 204 events. 50/204 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 149 event pairs, 0 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 247. Up to 2 conditions per place. [2020-09-29 12:55:52,001 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 355 places, 254 transitions, 908 flow [2020-09-29 12:55:52,097 INFO L129 PetriNetUnfolder]: 50/204 cut-off events. [2020-09-29 12:55:52,097 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-09-29 12:55:52,101 INFO L80 FinitePrefix]: Finished finitePrefix Result has 405 conditions, 204 events. 50/204 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 149 event pairs, 0 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 247. Up to 2 conditions per place. [2020-09-29 12:55:52,122 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 19600 [2020-09-29 12:55:52,123 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-29 12:55:52,336 INFO L206 etLargeBlockEncoding]: Checked pairs total: 0 [2020-09-29 12:55:52,337 INFO L214 etLargeBlockEncoding]: Total number of compositions: 1 [2020-09-29 12:55:52,342 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 354 places, 253 transitions, 906 flow Received shutdown request... [2020-09-29 13:08:48,053 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 13:08:48,057 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 13:08:48,057 INFO L202 PluginConnector]: Adding new model example2_N=50.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 01:08:48 BasicIcfg [2020-09-29 13:08:48,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 13:08:48,065 INFO L168 Benchmark]: Toolchain (without parser) took 778320.49 ms. Allocated memory was 248.0 MB in the beginning and 10.8 GB in the end (delta: 10.5 GB). Free memory was 221.9 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 10.0 GB. Max. memory is 14.2 GB. [2020-09-29 13:08:48,066 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.54 ms. Allocated memory is still 248.0 MB. Free memory is still 224.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 13:08:48,067 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.40 ms. Allocated memory is still 248.0 MB. Free memory was 221.9 MB in the beginning and 219.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-09-29 13:08:48,068 INFO L168 Benchmark]: Boogie Preprocessor took 103.60 ms. Allocated memory is still 248.0 MB. Free memory was 219.3 MB in the beginning and 216.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-09-29 13:08:48,070 INFO L168 Benchmark]: RCFGBuilder took 696.04 ms. Allocated memory is still 248.0 MB. Free memory was 216.8 MB in the beginning and 179.0 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 14.2 GB. [2020-09-29 13:08:48,072 INFO L168 Benchmark]: TraceAbstraction took 777436.88 ms. Allocated memory was 248.0 MB in the beginning and 10.8 GB in the end (delta: 10.5 GB). Free memory was 179.0 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 10.0 GB. Max. memory is 14.2 GB. [2020-09-29 13:08:48,076 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 0.54 ms. Allocated memory is still 248.0 MB. Free memory is still 224.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 72.40 ms. Allocated memory is still 248.0 MB. Free memory was 221.9 MB in the beginning and 219.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 103.60 ms. Allocated memory is still 248.0 MB. Free memory was 219.3 MB in the beginning and 216.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 696.04 ms. Allocated memory is still 248.0 MB. Free memory was 216.8 MB in the beginning and 179.0 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 777436.88 ms. Allocated memory was 248.0 MB in the beginning and 10.8 GB in the end (delta: 10.5 GB). Free memory was 179.0 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 10.0 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.5s, 355 ProgramPointsBefore, 354 ProgramPointsAfterwards, 254 TransitionsBefore, 253 TransitionsAfterwards, 19600 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 0 CheckedPairsTotal, 1 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 110). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 354 places, 253 transitions, 906 flow. Already constructed 852119 states. Currently 325489 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 51 procedures, 205 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 776.3s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 776.3s, 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