/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=54.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 14:36:22,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 14:36:22,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 14:36:22,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 14:36:22,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 14:36:22,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 14:36:22,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 14:36:22,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 14:36:22,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 14:36:22,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 14:36:22,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 14:36:22,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 14:36:22,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 14:36:22,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 14:36:22,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 14:36:22,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 14:36:22,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 14:36:22,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 14:36:22,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 14:36:22,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 14:36:22,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 14:36:22,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 14:36:22,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 14:36:22,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 14:36:22,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 14:36:22,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 14:36:22,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 14:36:22,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 14:36:22,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 14:36:22,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 14:36:22,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 14:36:22,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 14:36:22,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 14:36:22,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 14:36:22,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 14:36:22,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 14:36:22,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 14:36:22,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 14:36:22,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 14:36:22,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 14:36:22,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 14:36:22,993 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-08 14:36:23,016 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 14:36:23,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 14:36:23,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 14:36:23,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 14:36:23,018 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 14:36:23,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 14:36:23,018 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 14:36:23,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 14:36:23,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 14:36:23,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 14:36:23,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 14:36:23,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 14:36:23,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 14:36:23,019 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 14:36:23,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 14:36:23,020 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 14:36:23,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 14:36:23,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 14:36:23,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 14:36:23,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 14:36:23,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 14:36:23,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 14:36:23,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 14:36:23,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 14:36:23,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 14:36:23,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 14:36:23,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 14:36:23,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 14:36:23,022 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 14:36:23,022 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 14:36:23,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 14:36:23,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 14:36:23,346 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 14:36:23,347 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 14:36:23,348 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 14:36:23,348 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=54.bpl [2020-10-08 14:36:23,349 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=54.bpl' [2020-10-08 14:36:23,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 14:36:23,422 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 14:36:23,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 14:36:23,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 14:36:23,423 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 14:36:23,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=54.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:36:23" (1/1) ... [2020-10-08 14:36:23,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=54.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:36:23" (1/1) ... [2020-10-08 14:36:23,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 14:36:23,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 14:36:23,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 14:36:23,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 14:36:23,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=54.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:36:23" (1/1) ... [2020-10-08 14:36:23,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=54.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:36:23" (1/1) ... [2020-10-08 14:36:23,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=54.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:36:23" (1/1) ... [2020-10-08 14:36:23,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=54.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:36:23" (1/1) ... [2020-10-08 14:36:23,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=54.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:36:23" (1/1) ... [2020-10-08 14:36:23,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=54.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:36:23" (1/1) ... [2020-10-08 14:36:23,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=54.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:36:23" (1/1) ... [2020-10-08 14:36:23,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 14:36:23,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 14:36:23,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 14:36:23,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 14:36:23,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=54.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:36:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 14:36:23,598 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-08 14:36:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-08 14:36:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-08 14:36:23,600 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 14:36:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 14:36:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 14:36:23,604 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 14:36:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 14:36:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 14:36:23,604 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 14:36:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 14:36:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 14:36:23,605 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 14:36:23,606 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 14:36:23,606 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 14:36:23,606 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 14:36:23,606 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 14:36:23,606 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 14:36:23,607 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 14:36:23,607 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 14:36:23,608 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 14:36:23,608 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 14:36:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 14:36:23,609 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 14:36:23,616 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 14:36:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 14:36:23,618 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 14:36:23,619 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 14:36:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 14:36:23,619 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 14:36:23,619 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-08 14:36:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-08 14:36:23,620 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-08 14:36:23,620 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 14:36:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 14:36:23,621 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 14:36:23,622 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 14:36:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 14:36:23,622 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 14:36:23,622 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 14:36:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 14:36:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 14:36:23,623 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 14:36:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 14:36:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 14:36:23,624 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 14:36:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 14:36:23,624 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 14:36:23,625 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 14:36:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 14:36:23,625 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 14:36:23,626 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 14:36:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 14:36:23,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 14:36:23,626 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 14:36:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 14:36:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 14:36:23,627 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 14:36:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 14:36:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 14:36:23,628 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-08 14:36:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-08 14:36:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-08 14:36:23,629 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-08 14:36:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-08 14:36:23,629 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-08 14:36:23,630 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-08 14:36:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-08 14:36:23,630 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-08 14:36:23,631 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-08 14:36:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-08 14:36:23,631 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-08 14:36:23,631 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-08 14:36:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-08 14:36:23,631 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-08 14:36:23,632 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-08 14:36:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-08 14:36:23,632 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-08 14:36:23,632 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-08 14:36:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-08 14:36:23,633 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-08 14:36:23,633 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-08 14:36:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-08 14:36:23,633 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-08 14:36:23,634 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-08 14:36:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-08 14:36:23,635 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-08 14:36:23,635 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-08 14:36:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-08 14:36:23,635 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-08 14:36:23,636 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-08 14:36:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-08 14:36:23,636 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-08 14:36:23,637 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread47 given in one single declaration [2020-10-08 14:36:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure thread47 [2020-10-08 14:36:23,637 INFO L138 BoogieDeclarations]: Found implementation of procedure thread47 [2020-10-08 14:36:23,637 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread46 given in one single declaration [2020-10-08 14:36:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure thread46 [2020-10-08 14:36:23,637 INFO L138 BoogieDeclarations]: Found implementation of procedure thread46 [2020-10-08 14:36:23,638 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread49 given in one single declaration [2020-10-08 14:36:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure thread49 [2020-10-08 14:36:23,638 INFO L138 BoogieDeclarations]: Found implementation of procedure thread49 [2020-10-08 14:36:23,638 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread48 given in one single declaration [2020-10-08 14:36:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure thread48 [2020-10-08 14:36:23,639 INFO L138 BoogieDeclarations]: Found implementation of procedure thread48 [2020-10-08 14:36:23,639 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-10-08 14:36:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-10-08 14:36:23,639 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-10-08 14:36:23,640 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-10-08 14:36:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-10-08 14:36:23,643 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-10-08 14:36:23,644 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread45 given in one single declaration [2020-10-08 14:36:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure thread45 [2020-10-08 14:36:23,644 INFO L138 BoogieDeclarations]: Found implementation of procedure thread45 [2020-10-08 14:36:23,644 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread44 given in one single declaration [2020-10-08 14:36:23,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread44 [2020-10-08 14:36:23,645 INFO L138 BoogieDeclarations]: Found implementation of procedure thread44 [2020-10-08 14:36:23,645 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 14:36:23,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 14:36:23,645 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 14:36:23,646 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 14:36:23,646 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 14:36:23,646 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 14:36:23,646 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 14:36:23,646 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 14:36:23,646 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 14:36:23,647 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread50 given in one single declaration [2020-10-08 14:36:23,647 INFO L130 BoogieDeclarations]: Found specification of procedure thread50 [2020-10-08 14:36:23,647 INFO L138 BoogieDeclarations]: Found implementation of procedure thread50 [2020-10-08 14:36:23,648 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread52 given in one single declaration [2020-10-08 14:36:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure thread52 [2020-10-08 14:36:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure thread52 [2020-10-08 14:36:23,649 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread51 given in one single declaration [2020-10-08 14:36:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure thread51 [2020-10-08 14:36:23,650 INFO L138 BoogieDeclarations]: Found implementation of procedure thread51 [2020-10-08 14:36:23,651 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 14:36:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 14:36:23,651 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 14:36:23,651 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 14:36:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 14:36:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 14:36:23,652 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 14:36:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 14:36:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 14:36:23,653 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 14:36:23,654 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 14:36:23,654 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 14:36:23,654 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 14:36:23,655 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 14:36:23,655 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 14:36:23,656 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread54 given in one single declaration [2020-10-08 14:36:23,660 INFO L130 BoogieDeclarations]: Found specification of procedure thread54 [2020-10-08 14:36:23,661 INFO L138 BoogieDeclarations]: Found implementation of procedure thread54 [2020-10-08 14:36:23,661 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 14:36:23,661 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 14:36:23,666 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 14:36:23,667 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread53 given in one single declaration [2020-10-08 14:36:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure thread53 [2020-10-08 14:36:23,667 INFO L138 BoogieDeclarations]: Found implementation of procedure thread53 [2020-10-08 14:36:23,667 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 14:36:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 14:36:23,668 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 14:36:23,668 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 14:36:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 14:36:23,669 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 14:36:23,671 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-08 14:36:24,221 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 14:36:24,221 INFO L298 CfgBuilder]: Removed 54 assume(true) statements. [2020-10-08 14:36:24,224 INFO L202 PluginConnector]: Adding new model example2_N=54.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:36:24 BoogieIcfgContainer [2020-10-08 14:36:24,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 14:36:24,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 14:36:24,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 14:36:24,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 14:36:24,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=54.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:36:23" (1/2) ... [2020-10-08 14:36:24,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec16e04 and model type example2_N=54.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 02:36:24, skipping insertion in model container [2020-10-08 14:36:24,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=54.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:36:24" (2/2) ... [2020-10-08 14:36:24,235 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=54.bpl [2020-10-08 14:36:24,247 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 14:36:24,248 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 14:36:24,256 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 14:36:24,257 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 14:36:25,344 INFO L253 AbstractCegarLoop]: Starting to check reachability of 55 error locations. [2020-10-08 14:36:25,367 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 14:36:25,367 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 14:36:25,367 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 14:36:25,368 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 14:36:25,368 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 14:36:25,368 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 14:36:25,368 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 14:36:25,368 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 14:36:25,395 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 14:36:25,398 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 437 places, 328 transitions, 1088 flow [2020-10-08 14:36:25,400 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 437 places, 328 transitions, 1088 flow [2020-10-08 14:36:25,402 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 437 places, 328 transitions, 1088 flow [2020-10-08 14:36:25,641 INFO L129 PetriNetUnfolder]: 54/274 cut-off events. [2020-10-08 14:36:25,642 INFO L130 PetriNetUnfolder]: For 54/54 co-relation queries the response was YES. [2020-10-08 14:36:25,668 INFO L80 FinitePrefix]: Finished finitePrefix Result has 491 conditions, 274 events. 54/274 cut-off events. For 54/54 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 373 event pairs, 0 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 321. Up to 2 conditions per place. [2020-10-08 14:36:25,713 INFO L117 LiptonReduction]: Number of co-enabled transitions 42930 [2020-10-08 14:36:27,155 INFO L132 LiptonReduction]: Checked pairs total: 68105 [2020-10-08 14:36:27,155 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 14:36:27,162 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 435 places, 326 transitions, 1084 flow Received shutdown request... [2020-10-08 14:49:33,230 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 14:49:33,233 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 14:49:33,233 INFO L202 PluginConnector]: Adding new model example2_N=54.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 02:49:33 BasicIcfg [2020-10-08 14:49:33,233 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 14:49:33,236 INFO L168 Benchmark]: Toolchain (without parser) took 789813.94 ms. Allocated memory was 249.0 MB in the beginning and 10.7 GB in the end (delta: 10.5 GB). Free memory was 222.9 MB in the beginning and 3.4 GB in the end (delta: -3.1 GB). Peak memory consumption was 9.2 GB. Max. memory is 14.2 GB. [2020-10-08 14:49:33,237 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 249.0 MB. Free memory is still 225.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 14:49:33,238 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.00 ms. Allocated memory is still 249.0 MB. Free memory was 222.9 MB in the beginning and 220.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:49:33,239 INFO L168 Benchmark]: Boogie Preprocessor took 61.85 ms. Allocated memory is still 249.0 MB. Free memory was 220.4 MB in the beginning and 217.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:49:33,240 INFO L168 Benchmark]: RCFGBuilder took 694.71 ms. Allocated memory is still 249.0 MB. Free memory was 217.9 MB in the beginning and 169.9 MB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 14.2 GB. [2020-10-08 14:49:33,241 INFO L168 Benchmark]: TraceAbstraction took 789005.22 ms. Allocated memory was 249.0 MB in the beginning and 10.7 GB in the end (delta: 10.5 GB). Free memory was 169.9 MB in the beginning and 3.4 GB in the end (delta: -3.2 GB). Peak memory consumption was 9.2 GB. Max. memory is 14.2 GB. [2020-10-08 14:49:33,245 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 249.0 MB. Free memory is still 225.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 44.00 ms. Allocated memory is still 249.0 MB. Free memory was 222.9 MB in the beginning and 220.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 61.85 ms. Allocated memory is still 249.0 MB. Free memory was 220.4 MB in the beginning and 217.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 694.71 ms. Allocated memory is still 249.0 MB. Free memory was 217.9 MB in the beginning and 169.9 MB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 14.2 GB. * TraceAbstraction took 789005.22 ms. Allocated memory was 249.0 MB in the beginning and 10.7 GB in the end (delta: 10.5 GB). Free memory was 169.9 MB in the beginning and 3.4 GB in the end (delta: -3.2 GB). Peak memory consumption was 9.2 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 11645 VarBasedMoverChecksPositive, 371 VarBasedMoverChecksNegative, 213 SemBasedMoverChecksPositive, 158 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.1s, 11801 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.7s, 437 PlacesBefore, 435 PlacesAfterwards, 328 TransitionsBefore, 326 TransitionsAfterwards, 42930 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 68105 MoverChecksTotal - TimeoutResultAtElement [Line: 118]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 118). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 435 places, 326 transitions, 1084 flow. Already constructed 917109 states. Currently 458557 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 55 procedures, 275 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 787.8s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 787.8s, 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