/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=38.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 19:03:43,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 19:03:43,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 19:03:43,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 19:03:43,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 19:03:43,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 19:03:43,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 19:03:43,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 19:03:43,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 19:03:43,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 19:03:43,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 19:03:43,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 19:03:43,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 19:03:43,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 19:03:43,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 19:03:43,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 19:03:43,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 19:03:43,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 19:03:43,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 19:03:43,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 19:03:43,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 19:03:43,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 19:03:43,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 19:03:43,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 19:03:43,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 19:03:43,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 19:03:43,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 19:03:43,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 19:03:43,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 19:03:43,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 19:03:43,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 19:03:43,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 19:03:43,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 19:03:43,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 19:03:43,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 19:03:43,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 19:03:43,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 19:03:43,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 19:03:43,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 19:03:43,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 19:03:43,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 19:03:43,711 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 19:03:43,755 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 19:03:43,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 19:03:43,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 19:03:43,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 19:03:43,757 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 19:03:43,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 19:03:43,757 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 19:03:43,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 19:03:43,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 19:03:43,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 19:03:43,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 19:03:43,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 19:03:43,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 19:03:43,758 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 19:03:43,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 19:03:43,759 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 19:03:43,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 19:03:43,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 19:03:43,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 19:03:43,761 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 19:03:43,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 19:03:43,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 19:03:43,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 19:03:43,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 19:03:43,762 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 19:03:43,762 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 19:03:43,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 19:03:43,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 19:03:43,762 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 19:03:43,763 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 19:03:44,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 19:03:44,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 19:03:44,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 19:03:44,075 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 19:03:44,076 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 19:03:44,076 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=38.bpl [2020-10-06 19:03:44,077 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=38.bpl' [2020-10-06 19:03:44,132 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 19:03:44,134 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 19:03:44,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 19:03:44,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 19:03:44,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 19:03:44,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:44" (1/1) ... [2020-10-06 19:03:44,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:44" (1/1) ... [2020-10-06 19:03:44,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 19:03:44,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 19:03:44,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 19:03:44,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 19:03:44,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:44" (1/1) ... [2020-10-06 19:03:44,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:44" (1/1) ... [2020-10-06 19:03:44,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:44" (1/1) ... [2020-10-06 19:03:44,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:44" (1/1) ... [2020-10-06 19:03:44,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:44" (1/1) ... [2020-10-06 19:03:44,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:44" (1/1) ... [2020-10-06 19:03:44,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:44" (1/1) ... [2020-10-06 19:03:44,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 19:03:44,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 19:03:44,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 19:03:44,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 19:03:44,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:44" (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 19:03:44,295 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-06 19:03:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-06 19:03:44,296 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-06 19:03:44,296 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 19:03:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 19:03:44,296 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 19:03:44,297 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 19:03:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 19:03:44,297 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 19:03:44,297 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 19:03:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 19:03:44,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 19:03:44,298 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 19:03:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 19:03:44,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 19:03:44,299 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 19:03:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 19:03:44,299 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 19:03:44,299 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 19:03:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 19:03:44,300 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 19:03:44,300 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 19:03:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 19:03:44,300 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 19:03:44,301 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 19:03:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 19:03:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 19:03:44,301 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 19:03:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 19:03:44,302 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 19:03:44,302 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 19:03:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 19:03:44,302 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 19:03:44,303 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 19:03:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 19:03:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 19:03:44,303 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 19:03:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 19:03:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 19:03:44,304 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 19:03:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 19:03:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 19:03:44,304 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 19:03:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 19:03:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 19:03:44,305 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 19:03:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 19:03:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 19:03:44,306 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 19:03:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 19:03:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 19:03:44,306 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 19:03:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 19:03:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 19:03:44,307 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 19:03:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 19:03:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 19:03:44,308 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 19:03:44,308 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 19:03:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 19:03:44,308 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 19:03:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 19:03:44,309 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 19:03:44,309 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 19:03:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 19:03:44,309 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 19:03:44,310 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-06 19:03:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-06 19:03:44,310 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-06 19:03:44,310 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-06 19:03:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-06 19:03:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-06 19:03:44,311 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 19:03:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 19:03:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 19:03:44,312 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-06 19:03:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-06 19:03:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-06 19:03:44,312 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 19:03:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 19:03:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 19:03:44,313 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 19:03:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 19:03:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 19:03:44,313 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-06 19:03:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-06 19:03:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-06 19:03:44,314 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 19:03:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 19:03:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 19:03:44,315 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-06 19:03:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-06 19:03:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-06 19:03:44,315 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 19:03:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 19:03:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 19:03:44,316 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-06 19:03:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-06 19:03:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-06 19:03:44,316 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 19:03:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 19:03:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 19:03:44,317 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-06 19:03:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-06 19:03:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-06 19:03:44,317 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-06 19:03:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-06 19:03:44,318 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-06 19:03:44,318 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 19:03:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 19:03:44,318 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 19:03:44,318 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-06 19:03:44,319 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-06 19:03:44,319 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-06 19:03:44,319 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 19:03:44,319 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 19:03:44,319 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 19:03:44,321 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 19:03:44,811 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 19:03:44,811 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-10-06 19:03:44,813 INFO L202 PluginConnector]: Adding new model example2_N=38.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:03:44 BoogieIcfgContainer [2020-10-06 19:03:44,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 19:03:44,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 19:03:44,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 19:03:44,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 19:03:44,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=38.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:44" (1/2) ... [2020-10-06 19:03:44,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b74a6d8 and model type example2_N=38.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 07:03:44, skipping insertion in model container [2020-10-06 19:03:44,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=38.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:03:44" (2/2) ... [2020-10-06 19:03:44,821 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=38.bpl [2020-10-06 19:03:44,832 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 19:03:44,833 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 19:03:44,839 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 19:03:44,840 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 19:03:45,557 INFO L253 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2020-10-06 19:03:45,586 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 19:03:45,587 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 19:03:45,587 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 19:03:45,587 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 19:03:45,587 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 19:03:45,587 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 19:03:45,588 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 19:03:45,588 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 19:03:45,616 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 19:03:45,618 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 309 places, 232 transitions, 768 flow [2020-10-06 19:03:45,621 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 309 places, 232 transitions, 768 flow [2020-10-06 19:03:45,623 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 309 places, 232 transitions, 768 flow [2020-10-06 19:03:45,753 INFO L129 PetriNetUnfolder]: 38/194 cut-off events. [2020-10-06 19:03:45,753 INFO L130 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2020-10-06 19:03:45,765 INFO L80 FinitePrefix]: Finished finitePrefix Result has 347 conditions, 194 events. 38/194 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 261 event pairs, 0 based on Foata normal form. 0/155 useless extension candidates. Maximal degree in co-relation 225. Up to 2 conditions per place. [2020-10-06 19:03:45,784 INFO L117 LiptonReduction]: Number of co-enabled transitions 21090 [2020-10-06 19:03:46,581 INFO L132 LiptonReduction]: Checked pairs total: 33337 [2020-10-06 19:03:46,581 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 19:03:46,588 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 307 places, 230 transitions, 764 flow Received shutdown request... [2020-10-06 19:17:19,951 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:17:19,954 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:17:19,954 INFO L202 PluginConnector]: Adding new model example2_N=38.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:17:19 BasicIcfg [2020-10-06 19:17:19,955 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:17:19,958 INFO L168 Benchmark]: Toolchain (without parser) took 815822.92 ms. Allocated memory was 252.2 MB in the beginning and 8.4 GB in the end (delta: 8.2 GB). Free memory was 226.0 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 7.1 GB. Max. memory is 14.2 GB. [2020-10-06 19:17:19,958 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 252.2 MB. Free memory is still 228.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:17:19,959 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.63 ms. Allocated memory is still 252.2 MB. Free memory was 226.0 MB in the beginning and 223.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:17:19,960 INFO L168 Benchmark]: Boogie Preprocessor took 46.81 ms. Allocated memory is still 252.2 MB. Free memory is still 223.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:17:19,961 INFO L168 Benchmark]: RCFGBuilder took 593.31 ms. Allocated memory is still 252.2 MB. Free memory was 221.0 MB in the beginning and 185.8 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 14.2 GB. [2020-10-06 19:17:19,962 INFO L168 Benchmark]: TraceAbstraction took 815140.02 ms. Allocated memory was 252.2 MB in the beginning and 8.4 GB in the end (delta: 8.2 GB). Free memory was 185.8 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 7.1 GB. Max. memory is 14.2 GB. [2020-10-06 19:17:19,966 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 228.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 38.63 ms. Allocated memory is still 252.2 MB. Free memory was 226.0 MB in the beginning and 223.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 46.81 ms. Allocated memory is still 252.2 MB. Free memory is still 223.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 593.31 ms. Allocated memory is still 252.2 MB. Free memory was 221.0 MB in the beginning and 185.8 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 815140.02 ms. Allocated memory was 252.2 MB in the beginning and 8.4 GB in the end (delta: 8.2 GB). Free memory was 185.8 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 7.1 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5699 VarBasedMoverChecksPositive, 185 VarBasedMoverChecksNegative, 111 SemBasedMoverChecksPositive, 74 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 5734 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.9s, 309 PlacesBefore, 307 PlacesAfterwards, 232 TransitionsBefore, 230 TransitionsAfterwards, 21090 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 33337 MoverChecksTotal - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 86). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 307 places, 230 transitions, 764 flow. Already constructed 829354 states. Currently 414678 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 195 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 814.3s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 814.3s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown