/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=29.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 13:42:28,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 13:42:28,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 13:42:28,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 13:42:28,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 13:42:28,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 13:42:28,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 13:42:28,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 13:42:28,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 13:42:28,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 13:42:28,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 13:42:28,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 13:42:28,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 13:42:28,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 13:42:28,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 13:42:28,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 13:42:28,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 13:42:28,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 13:42:28,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 13:42:28,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 13:42:28,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 13:42:28,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 13:42:28,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 13:42:28,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 13:42:28,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 13:42:28,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 13:42:28,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 13:42:28,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 13:42:28,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 13:42:28,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 13:42:28,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 13:42:28,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 13:42:28,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 13:42:28,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 13:42:28,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 13:42:28,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 13:42:28,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 13:42:28,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 13:42:28,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 13:42:28,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 13:42:28,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 13:42:28,486 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 [2020-10-08 13:42:28,521 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 13:42:28,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 13:42:28,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 13:42:28,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 13:42:28,526 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 13:42:28,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 13:42:28,527 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 13:42:28,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 13:42:28,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 13:42:28,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 13:42:28,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 13:42:28,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 13:42:28,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 13:42:28,528 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 13:42:28,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 13:42:28,528 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 13:42:28,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 13:42:28,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 13:42:28,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 13:42:28,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 13:42:28,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 13:42:28,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:42:28,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 13:42:28,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 13:42:28,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 13:42:28,532 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 13:42:28,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 13:42:28,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 13:42:28,532 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 13:42:28,532 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 13:42:28,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 13:42:28,885 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 13:42:28,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 13:42:28,890 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 13:42:28,890 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 13:42:28,891 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=29.bpl [2020-10-08 13:42:28,891 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=29.bpl' [2020-10-08 13:42:28,945 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 13:42:28,947 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 13:42:28,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 13:42:28,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 13:42:28,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 13:42:28,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:28" (1/1) ... [2020-10-08 13:42:28,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:28" (1/1) ... [2020-10-08 13:42:28,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 13:42:28,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 13:42:28,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 13:42:28,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 13:42:28,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:28" (1/1) ... [2020-10-08 13:42:28,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:28" (1/1) ... [2020-10-08 13:42:29,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:28" (1/1) ... [2020-10-08 13:42:29,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:28" (1/1) ... [2020-10-08 13:42:29,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:28" (1/1) ... [2020-10-08 13:42:29,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:28" (1/1) ... [2020-10-08 13:42:29,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:28" (1/1) ... [2020-10-08 13:42:29,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 13:42:29,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 13:42:29,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 13:42:29,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 13:42:29,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:28" (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 [2020-10-08 13:42:29,112 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-08 13:42:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-08 13:42:29,114 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-08 13:42:29,115 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 13:42:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 13:42:29,115 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 13:42:29,115 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 13:42:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 13:42:29,116 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 13:42:29,116 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 13:42:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 13:42:29,116 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 13:42:29,117 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 13:42:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 13:42:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 13:42:29,117 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 13:42:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 13:42:29,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 13:42:29,118 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 13:42:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 13:42:29,119 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 13:42:29,119 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 13:42:29,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 13:42:29,120 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 13:42:29,126 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 13:42:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 13:42:29,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 13:42:29,129 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 13:42:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 13:42:29,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 13:42:29,129 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 13:42:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 13:42:29,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 13:42:29,131 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 13:42:29,131 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 13:42:29,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 13:42:29,132 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 13:42:29,132 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 13:42:29,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 13:42:29,133 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 13:42:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 13:42:29,133 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 13:42:29,133 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 13:42:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 13:42:29,134 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 13:42:29,134 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 13:42:29,134 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 13:42:29,135 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 13:42:29,135 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 13:42:29,135 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 13:42:29,135 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 13:42:29,136 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 13:42:29,136 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 13:42:29,136 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 13:42:29,136 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 13:42:29,136 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 13:42:29,137 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 13:42:29,137 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 13:42:29,137 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 13:42:29,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 13:42:29,138 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 13:42:29,138 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 13:42:29,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 13:42:29,138 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 13:42:29,139 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 13:42:29,139 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 13:42:29,140 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 13:42:29,140 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 13:42:29,140 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 13:42:29,141 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 13:42:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 13:42:29,141 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 13:42:29,141 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 13:42:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 13:42:29,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 13:42:29,142 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 13:42:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 13:42:29,143 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 13:42:29,143 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 13:42:29,143 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 13:42:29,143 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 13:42:29,144 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 13:42:29,144 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 13:42:29,144 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 13:42:29,145 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 13:42:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 13:42:29,146 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 13:42:29,146 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 13:42:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 13:42:29,146 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 13:42:29,148 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-08 13:42:29,654 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 13:42:29,654 INFO L298 CfgBuilder]: Removed 29 assume(true) statements. [2020-10-08 13:42:29,658 INFO L202 PluginConnector]: Adding new model example2_N=29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:42:29 BoogieIcfgContainer [2020-10-08 13:42:29,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 13:42:29,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 13:42:29,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 13:42:29,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 13:42:29,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:42:28" (1/2) ... [2020-10-08 13:42:29,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae7d6ae and model type example2_N=29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 01:42:29, skipping insertion in model container [2020-10-08 13:42:29,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:42:29" (2/2) ... [2020-10-08 13:42:29,671 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=29.bpl [2020-10-08 13:42:29,684 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 13:42:29,684 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 13:42:29,693 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 13:42:29,694 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 13:42:30,193 INFO L253 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2020-10-08 13:42:30,215 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 13:42:30,215 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 13:42:30,215 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 13:42:30,216 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 13:42:30,216 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 13:42:30,216 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 13:42:30,216 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 13:42:30,216 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 13:42:30,235 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 13:42:30,238 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 178 transitions, 588 flow [2020-10-08 13:42:30,241 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 237 places, 178 transitions, 588 flow [2020-10-08 13:42:30,243 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 237 places, 178 transitions, 588 flow [2020-10-08 13:42:30,381 INFO L129 PetriNetUnfolder]: 29/149 cut-off events. [2020-10-08 13:42:30,385 INFO L130 PetriNetUnfolder]: For 29/29 co-relation queries the response was YES. [2020-10-08 13:42:30,402 INFO L80 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 149 events. 29/149 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 207 event pairs, 0 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 171. Up to 2 conditions per place. [2020-10-08 13:42:30,415 INFO L117 LiptonReduction]: Number of co-enabled transitions 12180 [2020-10-08 13:42:31,415 INFO L132 LiptonReduction]: Checked pairs total: 19180 [2020-10-08 13:42:31,415 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 13:42:31,423 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 235 places, 176 transitions, 584 flow Received shutdown request... [2020-10-08 13:56:08,818 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 13:56:08,821 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 13:56:08,821 INFO L202 PluginConnector]: Adding new model example2_N=29.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 01:56:08 BasicIcfg [2020-10-08 13:56:08,821 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 13:56:08,825 INFO L168 Benchmark]: Toolchain (without parser) took 819876.82 ms. Allocated memory was 253.8 MB in the beginning and 7.2 GB in the end (delta: 6.9 GB). Free memory was 229.3 MB in the beginning and 2.5 GB in the end (delta: -2.2 GB). Peak memory consumption was 6.1 GB. Max. memory is 14.2 GB. [2020-10-08 13:56:08,826 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 253.8 MB. Free memory is still 231.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 13:56:08,833 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.10 ms. Allocated memory is still 253.8 MB. Free memory was 229.3 MB in the beginning and 227.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-08 13:56:08,835 INFO L168 Benchmark]: Boogie Preprocessor took 41.47 ms. Allocated memory is still 253.8 MB. Free memory was 227.6 MB in the beginning and 225.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-08 13:56:08,836 INFO L168 Benchmark]: RCFGBuilder took 628.91 ms. Allocated memory is still 253.8 MB. Free memory was 225.9 MB in the beginning and 196.4 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 14.2 GB. [2020-10-08 13:56:08,838 INFO L168 Benchmark]: TraceAbstraction took 819160.24 ms. Allocated memory was 253.8 MB in the beginning and 7.2 GB in the end (delta: 6.9 GB). Free memory was 195.6 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 6.1 GB. Max. memory is 14.2 GB. [2020-10-08 13:56:08,847 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 0.19 ms. Allocated memory is still 253.8 MB. Free memory is still 231.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 40.10 ms. Allocated memory is still 253.8 MB. Free memory was 229.3 MB in the beginning and 227.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 41.47 ms. Allocated memory is still 253.8 MB. Free memory was 227.6 MB in the beginning and 225.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 628.91 ms. Allocated memory is still 253.8 MB. Free memory was 225.9 MB in the beginning and 196.4 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 819160.24 ms. Allocated memory was 253.8 MB in the beginning and 7.2 GB in the end (delta: 6.9 GB). Free memory was 195.6 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 6.1 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4540 VarBasedMoverChecksPositive, 196 VarBasedMoverChecksNegative, 113 SemBasedMoverChecksPositive, 83 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 4612 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.1s, 237 PlacesBefore, 235 PlacesAfterwards, 178 TransitionsBefore, 176 TransitionsAfterwards, 12180 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 19180 MoverChecksTotal - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 68). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 235 places, 176 transitions, 584 flow. Already constructed 769533 states. Currently 384772 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 150 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 818.6s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 818.6s, 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