/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=42.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 19:16:57,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 19:16:57,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 19:16:57,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 19:16:57,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 19:16:57,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 19:16:57,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 19:16:57,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 19:16:57,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 19:16:57,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 19:16:57,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 19:16:57,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 19:16:57,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 19:16:57,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 19:16:57,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 19:16:57,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 19:16:57,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 19:16:57,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 19:16:57,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 19:16:57,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 19:16:57,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 19:16:57,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 19:16:57,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 19:16:57,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 19:16:57,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 19:16:57,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 19:16:57,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 19:16:57,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 19:16:57,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 19:16:57,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 19:16:57,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 19:16:57,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 19:16:57,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 19:16:57,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 19:16:57,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 19:16:57,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 19:16:57,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 19:16:57,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 19:16:57,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 19:16:57,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 19:16:57,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 19:16:57,680 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-06 19:16:57,702 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 19:16:57,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 19:16:57,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 19:16:57,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 19:16:57,704 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 19:16:57,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 19:16:57,704 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 19:16:57,704 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 19:16:57,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 19:16:57,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 19:16:57,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 19:16:57,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 19:16:57,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 19:16:57,705 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 19:16:57,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 19:16:57,706 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 19:16:57,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 19:16:57,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 19:16:57,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 19:16:57,706 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 19:16:57,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 19:16:57,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 19:16:57,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 19:16:57,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 19:16:57,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 19:16:57,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 19:16:57,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 19:16:57,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 19:16:57,708 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 19:16:57,708 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 19:16:57,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 19:16:58,006 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 19:16:58,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 19:16:58,011 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 19:16:58,014 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 19:16:58,015 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=42.bpl [2020-10-06 19:16:58,017 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=42.bpl' [2020-10-06 19:16:58,094 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 19:16:58,096 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 19:16:58,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 19:16:58,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 19:16:58,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 19:16:58,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:58" (1/1) ... [2020-10-06 19:16:58,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:58" (1/1) ... [2020-10-06 19:16:58,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 19:16:58,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 19:16:58,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 19:16:58,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 19:16:58,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:58" (1/1) ... [2020-10-06 19:16:58,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:58" (1/1) ... [2020-10-06 19:16:58,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:58" (1/1) ... [2020-10-06 19:16:58,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:58" (1/1) ... [2020-10-06 19:16:58,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:58" (1/1) ... [2020-10-06 19:16:58,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:58" (1/1) ... [2020-10-06 19:16:58,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:58" (1/1) ... [2020-10-06 19:16:58,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 19:16:58,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 19:16:58,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 19:16:58,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 19:16:58,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 19:16:58,295 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-06 19:16:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-06 19:16:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-06 19:16:58,297 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 19:16:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 19:16:58,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 19:16:58,298 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-06 19:16:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-06 19:16:58,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-06 19:16:58,298 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-06 19:16:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-06 19:16:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-06 19:16:58,299 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 19:16:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 19:16:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 19:16:58,299 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 19:16:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 19:16:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 19:16:58,300 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 19:16:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 19:16:58,301 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 19:16:58,301 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 19:16:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 19:16:58,302 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 19:16:58,309 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 19:16:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 19:16:58,310 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 19:16:58,311 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-10-06 19:16:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-10-06 19:16:58,311 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-10-06 19:16:58,311 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 19:16:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 19:16:58,312 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 19:16:58,312 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 19:16:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 19:16:58,313 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 19:16:58,313 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 19:16:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 19:16:58,313 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 19:16:58,313 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 19:16:58,314 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 19:16:58,314 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 19:16:58,314 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-06 19:16:58,314 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-06 19:16:58,314 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-06 19:16:58,314 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 19:16:58,315 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 19:16:58,315 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 19:16:58,315 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 19:16:58,316 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 19:16:58,316 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 19:16:58,316 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 19:16:58,316 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 19:16:58,317 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 19:16:58,317 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 19:16:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 19:16:58,318 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 19:16:58,318 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 19:16:58,318 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 19:16:58,318 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 19:16:58,318 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 19:16:58,319 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 19:16:58,319 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 19:16:58,320 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 19:16:58,320 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 19:16:58,320 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 19:16:58,320 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 19:16:58,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 19:16:58,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 19:16:58,321 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 19:16:58,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 19:16:58,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 19:16:58,321 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 19:16:58,322 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 19:16:58,322 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 19:16:58,322 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 19:16:58,322 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 19:16:58,322 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 19:16:58,322 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-06 19:16:58,323 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-06 19:16:58,323 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-06 19:16:58,323 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-06 19:16:58,323 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-06 19:16:58,323 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-06 19:16:58,324 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 19:16:58,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 19:16:58,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 19:16:58,325 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-06 19:16:58,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-06 19:16:58,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-06 19:16:58,326 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 19:16:58,326 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 19:16:58,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 19:16:58,326 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 19:16:58,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 19:16:58,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 19:16:58,327 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-06 19:16:58,327 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-06 19:16:58,327 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-06 19:16:58,327 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 19:16:58,327 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 19:16:58,327 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 19:16:58,328 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-06 19:16:58,328 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-06 19:16:58,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-06 19:16:58,328 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 19:16:58,328 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 19:16:58,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 19:16:58,330 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-06 19:16:58,330 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-06 19:16:58,332 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-06 19:16:58,333 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 19:16:58,333 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 19:16:58,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 19:16:58,334 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-06 19:16:58,334 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-06 19:16:58,334 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-06 19:16:58,334 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-06 19:16:58,334 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-06 19:16:58,334 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-06 19:16:58,334 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 19:16:58,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 19:16:58,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 19:16:58,335 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-06 19:16:58,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-06 19:16:58,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-06 19:16:58,335 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 19:16:58,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 19:16:58,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 19:16:58,338 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 19:16:58,880 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 19:16:58,880 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-10-06 19:16:58,883 INFO L202 PluginConnector]: Adding new model example2_N=42.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:16:58 BoogieIcfgContainer [2020-10-06 19:16:58,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 19:16:58,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 19:16:58,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 19:16:58,888 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 19:16:58,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:16:58" (1/2) ... [2020-10-06 19:16:58,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17a0b637 and model type example2_N=42.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 07:16:58, skipping insertion in model container [2020-10-06 19:16:58,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=42.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:16:58" (2/2) ... [2020-10-06 19:16:58,891 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=42.bpl [2020-10-06 19:16:58,903 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 19:16:58,903 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 19:16:58,911 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 19:16:58,912 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 19:16:59,848 INFO L253 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2020-10-06 19:16:59,871 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 19:16:59,871 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 19:16:59,871 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 19:16:59,871 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 19:16:59,871 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 19:16:59,872 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 19:16:59,872 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 19:16:59,872 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 19:16:59,892 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 19:16:59,895 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 341 places, 256 transitions, 848 flow [2020-10-06 19:16:59,898 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 341 places, 256 transitions, 848 flow [2020-10-06 19:16:59,900 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 341 places, 256 transitions, 848 flow [2020-10-06 19:17:00,118 INFO L129 PetriNetUnfolder]: 42/214 cut-off events. [2020-10-06 19:17:00,119 INFO L130 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2020-10-06 19:17:00,150 INFO L80 FinitePrefix]: Finished finitePrefix Result has 383 conditions, 214 events. 42/214 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 313 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 249. Up to 2 conditions per place. [2020-10-06 19:17:00,176 INFO L117 LiptonReduction]: Number of co-enabled transitions 25830 [2020-10-06 19:17:01,347 INFO L132 LiptonReduction]: Checked pairs total: 40877 [2020-10-06 19:17:01,347 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 19:17:01,354 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 339 places, 254 transitions, 844 flow Received shutdown request... [2020-10-06 19:30:33,590 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:30:33,593 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:30:33,594 INFO L202 PluginConnector]: Adding new model example2_N=42.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:30:33 BasicIcfg [2020-10-06 19:30:33,594 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:30:33,601 INFO L168 Benchmark]: Toolchain (without parser) took 815500.87 ms. Allocated memory was 248.5 MB in the beginning and 8.0 GB in the end (delta: 7.7 GB). Free memory was 222.4 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 7.3 GB. Max. memory is 14.2 GB. [2020-10-06 19:30:33,602 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.40 ms. Allocated memory is still 248.5 MB. Free memory is still 224.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:30:33,604 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.27 ms. Allocated memory is still 248.5 MB. Free memory was 222.4 MB in the beginning and 219.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:30:33,605 INFO L168 Benchmark]: Boogie Preprocessor took 64.48 ms. Allocated memory is still 248.5 MB. Free memory was 219.9 MB in the beginning and 217.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:30:33,606 INFO L168 Benchmark]: RCFGBuilder took 666.67 ms. Allocated memory is still 248.5 MB. Free memory was 217.3 MB in the beginning and 179.5 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 14.2 GB. [2020-10-06 19:30:33,607 INFO L168 Benchmark]: TraceAbstraction took 814709.98 ms. Allocated memory was 248.5 MB in the beginning and 8.0 GB in the end (delta: 7.7 GB). Free memory was 179.5 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 7.2 GB. Max. memory is 14.2 GB. [2020-10-06 19:30:33,617 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 1.40 ms. Allocated memory is still 248.5 MB. Free memory is still 224.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 54.27 ms. Allocated memory is still 248.5 MB. Free memory was 222.4 MB in the beginning and 219.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 64.48 ms. Allocated memory is still 248.5 MB. Free memory was 219.9 MB in the beginning and 217.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 666.67 ms. Allocated memory is still 248.5 MB. Free memory was 217.3 MB in the beginning and 179.5 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 814709.98 ms. Allocated memory was 248.5 MB in the beginning and 8.0 GB in the end (delta: 7.7 GB). Free memory was 179.5 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 7.2 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 8377 VarBasedMoverChecksPositive, 287 VarBasedMoverChecksNegative, 165 SemBasedMoverChecksPositive, 122 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.8s, 8497 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.4s, 341 PlacesBefore, 339 PlacesAfterwards, 256 TransitionsBefore, 254 TransitionsAfterwards, 25830 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 40877 MoverChecksTotal - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 94). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 339 places, 254 transitions, 844 flow. Already constructed 858902 states. Currently 429451 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 813.7s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 813.7s, 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