/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=50.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 19:30:36,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 19:30:36,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 19:30:36,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 19:30:36,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 19:30:36,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 19:30:36,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 19:30:36,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 19:30:36,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 19:30:36,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 19:30:36,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 19:30:36,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 19:30:36,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 19:30:36,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 19:30:36,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 19:30:36,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 19:30:36,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 19:30:36,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 19:30:36,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 19:30:36,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 19:30:36,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 19:30:36,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 19:30:36,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 19:30:36,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 19:30:36,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 19:30:36,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 19:30:36,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 19:30:36,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 19:30:36,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 19:30:36,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 19:30:36,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 19:30:36,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 19:30:36,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 19:30:36,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 19:30:36,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 19:30:36,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 19:30:36,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 19:30:36,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 19:30:36,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 19:30:36,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 19:30:36,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 19:30:36,600 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 19:30:36,640 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 19:30:36,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 19:30:36,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 19:30:36,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 19:30:36,643 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 19:30:36,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 19:30:36,643 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 19:30:36,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 19:30:36,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 19:30:36,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 19:30:36,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 19:30:36,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 19:30:36,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 19:30:36,646 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 19:30:36,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 19:30:36,647 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 19:30:36,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 19:30:36,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 19:30:36,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 19:30:36,647 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 19:30:36,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 19:30:36,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 19:30:36,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 19:30:36,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 19:30:36,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 19:30:36,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 19:30:36,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 19:30:36,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 19:30:36,649 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 19:30:36,649 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 19:30:36,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 19:30:36,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 19:30:36,997 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 19:30:36,998 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 19:30:36,998 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 19:30:36,999 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=50.bpl [2020-10-06 19:30:36,999 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=50.bpl' [2020-10-06 19:30:37,069 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 19:30:37,071 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 19:30:37,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 19:30:37,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 19:30:37,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 19:30:37,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:37" (1/1) ... [2020-10-06 19:30:37,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:37" (1/1) ... [2020-10-06 19:30:37,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 19:30:37,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 19:30:37,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 19:30:37,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 19:30:37,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:37" (1/1) ... [2020-10-06 19:30:37,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:37" (1/1) ... [2020-10-06 19:30:37,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:37" (1/1) ... [2020-10-06 19:30:37,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:37" (1/1) ... [2020-10-06 19:30:37,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:37" (1/1) ... [2020-10-06 19:30:37,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:37" (1/1) ... [2020-10-06 19:30:37,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:37" (1/1) ... [2020-10-06 19:30:37,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 19:30:37,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 19:30:37,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 19:30:37,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 19:30:37,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:37" (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 19:30:37,332 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-06 19:30:37,332 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-06 19:30:37,334 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-06 19:30:37,335 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 19:30:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 19:30:37,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 19:30:37,335 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 19:30:37,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 19:30:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 19:30:37,336 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 19:30:37,336 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 19:30:37,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 19:30:37,337 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 19:30:37,337 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 19:30:37,337 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 19:30:37,337 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 19:30:37,337 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 19:30:37,337 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 19:30:37,338 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 19:30:37,338 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 19:30:37,338 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 19:30:37,338 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 19:30:37,339 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 19:30:37,339 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 19:30:37,345 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 19:30:37,347 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 19:30:37,347 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 19:30:37,348 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 19:30:37,348 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 19:30:37,349 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 19:30:37,349 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-06 19:30:37,349 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-06 19:30:37,349 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-06 19:30:37,350 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 19:30:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 19:30:37,350 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 19:30:37,350 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 19:30:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 19:30:37,351 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 19:30:37,351 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 19:30:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 19:30:37,351 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 19:30:37,351 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 19:30:37,352 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 19:30:37,352 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 19:30:37,352 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 19:30:37,352 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 19:30:37,352 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 19:30:37,353 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 19:30:37,353 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 19:30:37,353 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 19:30:37,353 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 19:30:37,353 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 19:30:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 19:30:37,354 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 19:30:37,354 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 19:30:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 19:30:37,354 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 19:30:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 19:30:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 19:30:37,355 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-06 19:30:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-06 19:30:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-06 19:30:37,356 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-06 19:30:37,356 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-06 19:30:37,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-06 19:30:37,356 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-06 19:30:37,356 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-06 19:30:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-06 19:30:37,357 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-06 19:30:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-06 19:30:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-06 19:30:37,357 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-06 19:30:37,358 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-06 19:30:37,358 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-06 19:30:37,358 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-06 19:30:37,358 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-06 19:30:37,358 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-06 19:30:37,359 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-06 19:30:37,359 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-06 19:30:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-06 19:30:37,359 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-06 19:30:37,359 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-06 19:30:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-06 19:30:37,360 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-06 19:30:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-06 19:30:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-06 19:30:37,360 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-06 19:30:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-06 19:30:37,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-06 19:30:37,361 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-06 19:30:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-06 19:30:37,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-06 19:30:37,362 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread47 given in one single declaration [2020-10-06 19:30:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure thread47 [2020-10-06 19:30:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure thread47 [2020-10-06 19:30:37,362 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread46 given in one single declaration [2020-10-06 19:30:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure thread46 [2020-10-06 19:30:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure thread46 [2020-10-06 19:30:37,363 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread49 given in one single declaration [2020-10-06 19:30:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure thread49 [2020-10-06 19:30:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure thread49 [2020-10-06 19:30:37,364 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread48 given in one single declaration [2020-10-06 19:30:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure thread48 [2020-10-06 19:30:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure thread48 [2020-10-06 19:30:37,364 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-10-06 19:30:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-10-06 19:30:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-10-06 19:30:37,365 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-10-06 19:30:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-10-06 19:30:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-10-06 19:30:37,366 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread45 given in one single declaration [2020-10-06 19:30:37,366 INFO L130 BoogieDeclarations]: Found specification of procedure thread45 [2020-10-06 19:30:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure thread45 [2020-10-06 19:30:37,366 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread44 given in one single declaration [2020-10-06 19:30:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure thread44 [2020-10-06 19:30:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure thread44 [2020-10-06 19:30:37,367 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 19:30:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 19:30:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 19:30:37,368 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 19:30:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 19:30:37,368 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 19:30:37,368 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 19:30:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 19:30:37,368 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 19:30:37,369 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread50 given in one single declaration [2020-10-06 19:30:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure thread50 [2020-10-06 19:30:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure thread50 [2020-10-06 19:30:37,369 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 19:30:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 19:30:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 19:30:37,370 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 19:30:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 19:30:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 19:30:37,371 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 19:30:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 19:30:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 19:30:37,371 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 19:30:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 19:30:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 19:30:37,372 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 19:30:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 19:30:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 19:30:37,372 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 19:30:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 19:30:37,373 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 19:30:37,373 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 19:30:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 19:30:37,373 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 19:30:37,373 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 19:30:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 19:30:37,374 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 19:30:37,376 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 19:30:37,898 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 19:30:37,898 INFO L298 CfgBuilder]: Removed 50 assume(true) statements. [2020-10-06 19:30:37,901 INFO L202 PluginConnector]: Adding new model example2_N=50.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:30:37 BoogieIcfgContainer [2020-10-06 19:30:37,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 19:30:37,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 19:30:37,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 19:30:37,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 19:30:37,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:30:37" (1/2) ... [2020-10-06 19:30:37,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e44109 and model type example2_N=50.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 07:30:37, skipping insertion in model container [2020-10-06 19:30:37,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=50.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:30:37" (2/2) ... [2020-10-06 19:30:37,909 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=50.bpl [2020-10-06 19:30:37,918 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 19:30:37,919 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 19:30:37,926 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 19:30:37,927 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 19:30:38,951 INFO L253 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2020-10-06 19:30:38,989 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 19:30:38,989 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 19:30:38,989 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 19:30:38,989 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 19:30:38,989 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 19:30:38,989 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 19:30:38,990 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 19:30:38,990 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 19:30:39,020 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 19:30:39,022 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 405 places, 304 transitions, 1008 flow [2020-10-06 19:30:39,026 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 405 places, 304 transitions, 1008 flow [2020-10-06 19:30:39,028 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 405 places, 304 transitions, 1008 flow [2020-10-06 19:30:39,210 INFO L129 PetriNetUnfolder]: 50/254 cut-off events. [2020-10-06 19:30:39,211 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-06 19:30:39,230 INFO L80 FinitePrefix]: Finished finitePrefix Result has 455 conditions, 254 events. 50/254 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 369 event pairs, 0 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 297. Up to 2 conditions per place. [2020-10-06 19:30:39,264 INFO L117 LiptonReduction]: Number of co-enabled transitions 36750 [2020-10-06 19:30:40,419 INFO L132 LiptonReduction]: Checked pairs total: 58261 [2020-10-06 19:30:40,419 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 19:30:40,426 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 403 places, 302 transitions, 1004 flow Received shutdown request... [2020-10-06 19:43:49,070 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:43:49,073 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:43:49,073 INFO L202 PluginConnector]: Adding new model example2_N=50.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:43:49 BasicIcfg [2020-10-06 19:43:49,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:43:49,080 INFO L168 Benchmark]: Toolchain (without parser) took 792008.10 ms. Allocated memory was 252.2 MB in the beginning and 10.3 GB in the end (delta: 10.0 GB). Free memory was 224.4 MB in the beginning and 2.5 GB in the end (delta: -2.2 GB). Peak memory consumption was 8.9 GB. Max. memory is 14.2 GB. [2020-10-06 19:43:49,081 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 252.2 MB. Free memory is still 226.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:43:49,082 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.33 ms. Allocated memory is still 252.2 MB. Free memory was 224.4 MB in the beginning and 221.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:43:49,083 INFO L168 Benchmark]: Boogie Preprocessor took 98.44 ms. Allocated memory is still 252.2 MB. Free memory was 221.8 MB in the beginning and 219.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:43:49,084 INFO L168 Benchmark]: RCFGBuilder took 658.68 ms. Allocated memory is still 252.2 MB. Free memory was 219.3 MB in the beginning and 175.5 MB in the end (delta: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 14.2 GB. [2020-10-06 19:43:49,085 INFO L168 Benchmark]: TraceAbstraction took 791174.94 ms. Allocated memory was 252.2 MB in the beginning and 10.3 GB in the end (delta: 10.0 GB). Free memory was 174.7 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 8.8 GB. Max. memory is 14.2 GB. [2020-10-06 19:43:49,089 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 0.17 ms. Allocated memory is still 252.2 MB. Free memory is still 226.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 71.33 ms. Allocated memory is still 252.2 MB. Free memory was 224.4 MB in the beginning and 221.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 98.44 ms. Allocated memory is still 252.2 MB. Free memory was 221.8 MB in the beginning and 219.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 658.68 ms. Allocated memory is still 252.2 MB. Free memory was 219.3 MB in the beginning and 175.5 MB in the end (delta: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 791174.94 ms. Allocated memory was 252.2 MB in the beginning and 10.3 GB in the end (delta: 10.0 GB). Free memory was 174.7 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 8.8 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 9899 VarBasedMoverChecksPositive, 245 VarBasedMoverChecksNegative, 148 SemBasedMoverChecksPositive, 97 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.8s, 9945 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.3s, 405 PlacesBefore, 403 PlacesAfterwards, 304 TransitionsBefore, 302 TransitionsAfterwards, 36750 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 58261 MoverChecksTotal - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 110). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 403 places, 302 transitions, 1004 flow. Already constructed 963883 states. Currently 481950 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 51 procedures, 255 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 790.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 790.0s, 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