/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=46.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 14:14:12,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 14:14:12,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 14:14:12,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 14:14:12,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 14:14:12,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 14:14:12,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 14:14:12,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 14:14:12,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 14:14:12,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 14:14:12,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 14:14:12,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 14:14:12,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 14:14:12,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 14:14:12,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 14:14:12,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 14:14:12,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 14:14:12,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 14:14:12,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 14:14:12,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 14:14:12,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 14:14:12,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 14:14:12,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 14:14:12,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 14:14:12,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 14:14:12,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 14:14:12,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 14:14:12,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 14:14:12,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 14:14:12,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 14:14:12,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 14:14:12,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 14:14:12,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 14:14:12,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 14:14:12,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 14:14:12,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 14:14:12,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 14:14:12,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 14:14:12,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 14:14:12,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 14:14:12,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 14:14:12,509 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 14:14:12,540 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 14:14:12,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 14:14:12,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 14:14:12,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 14:14:12,545 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 14:14:12,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 14:14:12,546 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 14:14:12,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 14:14:12,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 14:14:12,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 14:14:12,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 14:14:12,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 14:14:12,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 14:14:12,547 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 14:14:12,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 14:14:12,547 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 14:14:12,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 14:14:12,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 14:14:12,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 14:14:12,551 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 14:14:12,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 14:14:12,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 14:14:12,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 14:14:12,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 14:14:12,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 14:14:12,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 14:14:12,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 14:14:12,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 14:14:12,553 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 14:14:12,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 14:14:12,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 14:14:12,878 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 14:14:12,882 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 14:14:12,883 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 14:14:12,884 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 14:14:12,884 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=46.bpl [2020-10-08 14:14:12,885 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=46.bpl' [2020-10-08 14:14:12,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 14:14:12,950 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 14:14:12,951 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 14:14:12,951 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 14:14:12,951 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 14:14:12,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=46.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:14:12" (1/1) ... [2020-10-08 14:14:12,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=46.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:14:12" (1/1) ... [2020-10-08 14:14:12,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 14:14:12,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 14:14:12,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 14:14:12,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 14:14:13,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=46.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:14:12" (1/1) ... [2020-10-08 14:14:13,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=46.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:14:12" (1/1) ... [2020-10-08 14:14:13,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=46.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:14:12" (1/1) ... [2020-10-08 14:14:13,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=46.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:14:12" (1/1) ... [2020-10-08 14:14:13,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=46.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:14:12" (1/1) ... [2020-10-08 14:14:13,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=46.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:14:12" (1/1) ... [2020-10-08 14:14:13,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=46.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:14:12" (1/1) ... [2020-10-08 14:14:13,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 14:14:13,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 14:14:13,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 14:14:13,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 14:14:13,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=46.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:14:12" (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 14:14:13,125 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-08 14:14:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-08 14:14:13,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-08 14:14:13,127 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 14:14:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 14:14:13,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 14:14:13,128 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-08 14:14:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-08 14:14:13,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-08 14:14:13,129 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-08 14:14:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-08 14:14:13,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-08 14:14:13,129 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 14:14:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 14:14:13,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 14:14:13,130 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread46 given in one single declaration [2020-10-08 14:14:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread46 [2020-10-08 14:14:13,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread46 [2020-10-08 14:14:13,130 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 14:14:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 14:14:13,131 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 14:14:13,132 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 14:14:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 14:14:13,139 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 14:14:13,140 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 14:14:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 14:14:13,141 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 14:14:13,142 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-10-08 14:14:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-10-08 14:14:13,142 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-10-08 14:14:13,142 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 14:14:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 14:14:13,143 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 14:14:13,143 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-10-08 14:14:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-10-08 14:14:13,144 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-10-08 14:14:13,144 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 14:14:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 14:14:13,145 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 14:14:13,145 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread45 given in one single declaration [2020-10-08 14:14:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure thread45 [2020-10-08 14:14:13,145 INFO L138 BoogieDeclarations]: Found implementation of procedure thread45 [2020-10-08 14:14:13,145 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 14:14:13,146 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 14:14:13,146 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 14:14:13,146 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread44 given in one single declaration [2020-10-08 14:14:13,147 INFO L130 BoogieDeclarations]: Found specification of procedure thread44 [2020-10-08 14:14:13,147 INFO L138 BoogieDeclarations]: Found implementation of procedure thread44 [2020-10-08 14:14:13,147 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 14:14:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 14:14:13,148 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 14:14:13,148 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 14:14:13,149 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 14:14:13,149 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 14:14:13,149 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-08 14:14:13,149 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-08 14:14:13,150 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-08 14:14:13,150 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 14:14:13,150 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 14:14:13,151 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 14:14:13,151 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 14:14:13,151 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 14:14:13,151 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 14:14:13,151 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 14:14:13,151 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 14:14:13,152 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 14:14:13,153 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 14:14:13,153 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 14:14:13,153 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 14:14:13,153 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 14:14:13,153 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 14:14:13,154 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 14:14:13,154 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 14:14:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 14:14:13,154 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 14:14:13,155 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 14:14:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 14:14:13,155 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 14:14:13,155 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 14:14:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 14:14:13,156 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 14:14:13,156 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 14:14:13,156 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 14:14:13,156 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 14:14:13,157 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 14:14:13,158 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 14:14:13,158 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 14:14:13,158 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 14:14:13,158 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 14:14:13,158 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 14:14:13,159 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-08 14:14:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-08 14:14:13,159 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-08 14:14:13,159 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-08 14:14:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-08 14:14:13,159 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-08 14:14:13,160 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 14:14:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 14:14:13,160 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 14:14:13,160 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-08 14:14:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-08 14:14:13,160 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-08 14:14:13,161 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 14:14:13,161 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 14:14:13,161 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 14:14:13,161 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 14:14:13,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 14:14:13,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 14:14:13,163 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-08 14:14:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-08 14:14:13,166 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-08 14:14:13,166 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 14:14:13,166 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 14:14:13,166 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 14:14:13,167 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-08 14:14:13,167 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-08 14:14:13,167 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-08 14:14:13,167 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 14:14:13,167 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 14:14:13,168 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 14:14:13,168 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-08 14:14:13,168 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-08 14:14:13,168 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-08 14:14:13,168 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 14:14:13,169 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 14:14:13,169 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 14:14:13,169 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-08 14:14:13,169 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-08 14:14:13,169 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-08 14:14:13,170 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-08 14:14:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-08 14:14:13,171 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-08 14:14:13,171 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 14:14:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 14:14:13,172 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 14:14:13,172 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-08 14:14:13,173 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-08 14:14:13,173 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-08 14:14:13,173 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 14:14:13,173 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 14:14:13,173 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 14:14:13,175 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 14:14:13,690 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 14:14:13,691 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-08 14:14:13,693 INFO L202 PluginConnector]: Adding new model example2_N=46.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:14:13 BoogieIcfgContainer [2020-10-08 14:14:13,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 14:14:13,695 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 14:14:13,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 14:14:13,698 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 14:14:13,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=46.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:14:12" (1/2) ... [2020-10-08 14:14:13,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f590e and model type example2_N=46.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 02:14:13, skipping insertion in model container [2020-10-08 14:14:13,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=46.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:14:13" (2/2) ... [2020-10-08 14:14:13,702 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=46.bpl [2020-10-08 14:14:13,713 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 14:14:13,714 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 14:14:13,722 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 14:14:13,723 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 14:14:14,562 INFO L253 AbstractCegarLoop]: Starting to check reachability of 47 error locations. [2020-10-08 14:14:14,584 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 14:14:14,584 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 14:14:14,584 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 14:14:14,584 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 14:14:14,584 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 14:14:14,585 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 14:14:14,585 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 14:14:14,585 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 14:14:14,618 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 14:14:14,622 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 373 places, 280 transitions, 928 flow [2020-10-08 14:14:14,625 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 373 places, 280 transitions, 928 flow [2020-10-08 14:14:14,627 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 373 places, 280 transitions, 928 flow [2020-10-08 14:14:14,882 INFO L129 PetriNetUnfolder]: 46/234 cut-off events. [2020-10-08 14:14:14,882 INFO L130 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2020-10-08 14:14:14,914 INFO L80 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 234 events. 46/234 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 317 event pairs, 0 based on Foata normal form. 0/187 useless extension candidates. Maximal degree in co-relation 273. Up to 2 conditions per place. [2020-10-08 14:14:14,938 INFO L117 LiptonReduction]: Number of co-enabled transitions 31050 [2020-10-08 14:14:15,978 INFO L132 LiptonReduction]: Checked pairs total: 49185 [2020-10-08 14:14:15,978 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 14:14:15,987 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 371 places, 278 transitions, 924 flow Received shutdown request... [2020-10-08 14:27:46,864 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 14:27:46,867 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 14:27:46,867 INFO L202 PluginConnector]: Adding new model example2_N=46.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 02:27:46 BasicIcfg [2020-10-08 14:27:46,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 14:27:46,870 INFO L168 Benchmark]: Toolchain (without parser) took 813920.02 ms. Allocated memory was 255.3 MB in the beginning and 8.4 GB in the end (delta: 8.1 GB). Free memory was 229.2 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 7.7 GB. Max. memory is 14.2 GB. [2020-10-08 14:27:46,873 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 255.3 MB. Free memory is still 231.7 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 14:27:46,875 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.84 ms. Allocated memory is still 255.3 MB. Free memory was 229.2 MB in the beginning and 226.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:27:46,877 INFO L168 Benchmark]: Boogie Preprocessor took 54.70 ms. Allocated memory is still 255.3 MB. Free memory was 226.7 MB in the beginning and 224.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:27:46,879 INFO L168 Benchmark]: RCFGBuilder took 645.83 ms. Allocated memory is still 255.3 MB. Free memory was 224.2 MB in the beginning and 183.8 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 14.2 GB. [2020-10-08 14:27:46,880 INFO L168 Benchmark]: TraceAbstraction took 813172.95 ms. Allocated memory was 255.3 MB in the beginning and 8.4 GB in the end (delta: 8.1 GB). Free memory was 183.8 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 7.6 GB. Max. memory is 14.2 GB. [2020-10-08 14:27:46,891 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 255.3 MB. Free memory is still 231.7 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 41.84 ms. Allocated memory is still 255.3 MB. Free memory was 229.2 MB in the beginning and 226.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 54.70 ms. Allocated memory is still 255.3 MB. Free memory was 226.7 MB in the beginning and 224.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 645.83 ms. Allocated memory is still 255.3 MB. Free memory was 224.2 MB in the beginning and 183.8 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 813172.95 ms. Allocated memory was 255.3 MB in the beginning and 8.4 GB in the end (delta: 8.1 GB). Free memory was 183.8 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 7.6 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 11936 VarBasedMoverChecksPositive, 225 VarBasedMoverChecksNegative, 136 SemBasedMoverChecksPositive, 89 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 11944 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.3s, 373 PlacesBefore, 371 PlacesAfterwards, 280 TransitionsBefore, 278 TransitionsAfterwards, 31050 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 49185 MoverChecksTotal - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 102). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 371 places, 278 transitions, 924 flow. Already constructed 874287 states. Currently 437151 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 812.2s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 812.2s, 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