/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=56.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 12:57:44,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 12:57:44,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 12:57:44,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 12:57:44,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 12:57:44,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 12:57:44,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 12:57:44,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 12:57:44,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 12:57:44,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 12:57:44,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 12:57:44,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 12:57:44,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 12:57:44,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 12:57:44,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 12:57:44,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 12:57:44,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 12:57:44,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 12:57:44,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 12:57:44,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 12:57:44,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 12:57:44,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 12:57:44,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 12:57:44,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 12:57:44,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 12:57:44,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 12:57:44,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 12:57:44,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 12:57:44,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 12:57:44,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 12:57:44,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 12:57:44,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 12:57:44,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 12:57:44,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 12:57:44,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 12:57:44,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 12:57:44,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 12:57:44,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 12:57:44,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 12:57:44,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 12:57:44,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 12:57:44,965 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 [2020-09-29 12:57:44,995 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 12:57:44,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 12:57:44,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 12:57:44,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 12:57:44,997 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 12:57:44,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 12:57:44,997 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 12:57:44,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 12:57:44,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 12:57:44,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 12:57:44,998 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 12:57:44,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 12:57:44,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 12:57:44,999 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 12:57:44,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 12:57:44,999 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 12:57:44,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 12:57:45,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 12:57:45,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 12:57:45,000 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 12:57:45,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 12:57:45,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 12:57:45,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 12:57:45,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 12:57:45,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 12:57:45,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-29 12:57:45,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 12:57:45,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 12:57:45,002 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-29 12:57:45,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 12:57:45,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 12:57:45,473 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 12:57:45,477 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 12:57:45,478 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 12:57:45,479 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 12:57:45,480 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=56.bpl [2020-09-29 12:57:45,481 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=56.bpl' [2020-09-29 12:57:45,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 12:57:45,563 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 12:57:45,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 12:57:45,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 12:57:45,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 12:57:45,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=56.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:57:45" (1/1) ... [2020-09-29 12:57:45,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=56.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:57:45" (1/1) ... [2020-09-29 12:57:45,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 12:57:45,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 12:57:45,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 12:57:45,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 12:57:45,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=56.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:57:45" (1/1) ... [2020-09-29 12:57:45,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=56.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:57:45" (1/1) ... [2020-09-29 12:57:45,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=56.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:57:45" (1/1) ... [2020-09-29 12:57:45,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=56.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:57:45" (1/1) ... [2020-09-29 12:57:45,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=56.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:57:45" (1/1) ... [2020-09-29 12:57:45,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=56.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:57:45" (1/1) ... [2020-09-29 12:57:45,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=56.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:57:45" (1/1) ... [2020-09-29 12:57:45,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 12:57:45,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 12:57:45,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 12:57:45,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 12:57:45,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=56.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:57:45" (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 [2020-09-29 12:57:45,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-09-29 12:57:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-09-29 12:57:45,795 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-09-29 12:57:45,795 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-09-29 12:57:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-09-29 12:57:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-09-29 12:57:45,796 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-09-29 12:57:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-09-29 12:57:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-09-29 12:57:45,797 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-09-29 12:57:45,797 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-09-29 12:57:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-09-29 12:57:45,797 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-09-29 12:57:45,797 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-09-29 12:57:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-09-29 12:57:45,798 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-09-29 12:57:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-09-29 12:57:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-09-29 12:57:45,799 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-09-29 12:57:45,800 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-09-29 12:57:45,800 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-09-29 12:57:45,801 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 12:57:45,801 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 12:57:45,802 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 12:57:45,809 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-09-29 12:57:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-09-29 12:57:45,810 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-09-29 12:57:45,811 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-09-29 12:57:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-09-29 12:57:45,812 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-09-29 12:57:45,812 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-09-29 12:57:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-09-29 12:57:45,812 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-09-29 12:57:45,813 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 12:57:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 12:57:45,814 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 12:57:45,814 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 12:57:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 12:57:45,815 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 12:57:45,815 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 12:57:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 12:57:45,815 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 12:57:45,815 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 12:57:45,816 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 12:57:45,817 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 12:57:45,817 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 12:57:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 12:57:45,817 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 12:57:45,817 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 12:57:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 12:57:45,818 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 12:57:45,818 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 12:57:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 12:57:45,818 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 12:57:45,819 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 12:57:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 12:57:45,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 12:57:45,819 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 12:57:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 12:57:45,820 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 12:57:45,820 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-09-29 12:57:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-09-29 12:57:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-09-29 12:57:45,821 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-09-29 12:57:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-09-29 12:57:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-09-29 12:57:45,822 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-09-29 12:57:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-09-29 12:57:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-09-29 12:57:45,823 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-09-29 12:57:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-09-29 12:57:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-09-29 12:57:45,824 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-09-29 12:57:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-09-29 12:57:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-09-29 12:57:45,824 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-09-29 12:57:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-09-29 12:57:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-09-29 12:57:45,825 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-09-29 12:57:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-09-29 12:57:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-09-29 12:57:45,825 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-09-29 12:57:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-09-29 12:57:45,826 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-09-29 12:57:45,826 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-09-29 12:57:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-09-29 12:57:45,828 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-09-29 12:57:45,828 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-09-29 12:57:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-09-29 12:57:45,828 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-09-29 12:57:45,828 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-09-29 12:57:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-09-29 12:57:45,829 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-09-29 12:57:45,829 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread47 given in one single declaration [2020-09-29 12:57:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure thread47 [2020-09-29 12:57:45,829 INFO L138 BoogieDeclarations]: Found implementation of procedure thread47 [2020-09-29 12:57:45,829 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread46 given in one single declaration [2020-09-29 12:57:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure thread46 [2020-09-29 12:57:45,830 INFO L138 BoogieDeclarations]: Found implementation of procedure thread46 [2020-09-29 12:57:45,830 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread49 given in one single declaration [2020-09-29 12:57:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure thread49 [2020-09-29 12:57:45,830 INFO L138 BoogieDeclarations]: Found implementation of procedure thread49 [2020-09-29 12:57:45,830 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread48 given in one single declaration [2020-09-29 12:57:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure thread48 [2020-09-29 12:57:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure thread48 [2020-09-29 12:57:45,831 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread43 given in one single declaration [2020-09-29 12:57:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure thread43 [2020-09-29 12:57:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure thread43 [2020-09-29 12:57:45,833 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread42 given in one single declaration [2020-09-29 12:57:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure thread42 [2020-09-29 12:57:45,836 INFO L138 BoogieDeclarations]: Found implementation of procedure thread42 [2020-09-29 12:57:45,836 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread45 given in one single declaration [2020-09-29 12:57:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure thread45 [2020-09-29 12:57:45,836 INFO L138 BoogieDeclarations]: Found implementation of procedure thread45 [2020-09-29 12:57:45,837 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread44 given in one single declaration [2020-09-29 12:57:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure thread44 [2020-09-29 12:57:45,837 INFO L138 BoogieDeclarations]: Found implementation of procedure thread44 [2020-09-29 12:57:45,837 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 12:57:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 12:57:45,837 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 12:57:45,838 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 12:57:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 12:57:45,838 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 12:57:45,838 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 12:57:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 12:57:45,839 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 12:57:45,839 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread50 given in one single declaration [2020-09-29 12:57:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure thread50 [2020-09-29 12:57:45,839 INFO L138 BoogieDeclarations]: Found implementation of procedure thread50 [2020-09-29 12:57:45,840 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread52 given in one single declaration [2020-09-29 12:57:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure thread52 [2020-09-29 12:57:45,841 INFO L138 BoogieDeclarations]: Found implementation of procedure thread52 [2020-09-29 12:57:45,841 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread51 given in one single declaration [2020-09-29 12:57:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure thread51 [2020-09-29 12:57:45,842 INFO L138 BoogieDeclarations]: Found implementation of procedure thread51 [2020-09-29 12:57:45,843 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 12:57:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 12:57:45,843 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 12:57:45,843 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 12:57:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 12:57:45,844 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 12:57:45,844 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 12:57:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 12:57:45,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 12:57:45,845 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 12:57:45,846 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 12:57:45,846 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 12:57:45,846 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 12:57:45,846 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 12:57:45,847 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 12:57:45,848 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread54 given in one single declaration [2020-09-29 12:57:45,852 INFO L130 BoogieDeclarations]: Found specification of procedure thread54 [2020-09-29 12:57:45,853 INFO L138 BoogieDeclarations]: Found implementation of procedure thread54 [2020-09-29 12:57:45,853 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 12:57:45,854 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 12:57:45,859 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 12:57:45,859 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread53 given in one single declaration [2020-09-29 12:57:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure thread53 [2020-09-29 12:57:45,860 INFO L138 BoogieDeclarations]: Found implementation of procedure thread53 [2020-09-29 12:57:45,860 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread56 given in one single declaration [2020-09-29 12:57:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure thread56 [2020-09-29 12:57:45,860 INFO L138 BoogieDeclarations]: Found implementation of procedure thread56 [2020-09-29 12:57:45,860 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 12:57:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 12:57:45,861 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 12:57:45,862 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread55 given in one single declaration [2020-09-29 12:57:45,862 INFO L130 BoogieDeclarations]: Found specification of procedure thread55 [2020-09-29 12:57:45,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread55 [2020-09-29 12:57:45,862 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 12:57:45,862 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 12:57:45,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 12:57:45,865 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-29 12:57:46,465 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 12:57:46,465 INFO L298 CfgBuilder]: Removed 56 assume(true) statements. [2020-09-29 12:57:46,475 INFO L202 PluginConnector]: Adding new model example2_N=56.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:57:46 BoogieIcfgContainer [2020-09-29 12:57:46,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 12:57:46,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 12:57:46,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 12:57:46,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 12:57:46,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=56.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:57:45" (1/2) ... [2020-09-29 12:57:46,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d1a6f6e and model type example2_N=56.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 12:57:46, skipping insertion in model container [2020-09-29 12:57:46,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=56.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:57:46" (2/2) ... [2020-09-29 12:57:46,484 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=56.bpl [2020-09-29 12:57:46,495 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 12:57:46,495 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 12:57:46,506 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 12:57:46,508 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 12:57:47,768 INFO L251 AbstractCegarLoop]: Starting to check reachability of 57 error locations. [2020-09-29 12:57:47,798 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 12:57:47,798 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 12:57:47,798 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 12:57:47,798 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 12:57:47,799 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 12:57:47,799 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 12:57:47,799 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 12:57:47,799 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 12:57:47,838 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 397 places, 284 transitions, 1016 flow [2020-09-29 12:57:47,841 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 397 places, 284 transitions, 1016 flow [2020-09-29 12:57:48,025 INFO L129 PetriNetUnfolder]: 56/228 cut-off events. [2020-09-29 12:57:48,026 INFO L130 PetriNetUnfolder]: For 56/56 co-relation queries the response was YES. [2020-09-29 12:57:48,041 INFO L80 FinitePrefix]: Finished finitePrefix Result has 453 conditions, 228 events. 56/228 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 165 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 277. Up to 2 conditions per place. [2020-09-29 12:57:48,069 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 397 places, 284 transitions, 1016 flow [2020-09-29 12:57:48,232 INFO L129 PetriNetUnfolder]: 56/228 cut-off events. [2020-09-29 12:57:48,232 INFO L130 PetriNetUnfolder]: For 56/56 co-relation queries the response was YES. [2020-09-29 12:57:48,238 INFO L80 FinitePrefix]: Finished finitePrefix Result has 453 conditions, 228 events. 56/228 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 165 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 277. Up to 2 conditions per place. [2020-09-29 12:57:48,258 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 24640 [2020-09-29 12:57:48,260 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-29 12:57:48,474 INFO L206 etLargeBlockEncoding]: Checked pairs total: 0 [2020-09-29 12:57:48,475 INFO L214 etLargeBlockEncoding]: Total number of compositions: 1 [2020-09-29 12:57:48,479 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 396 places, 283 transitions, 1014 flow Received shutdown request... [2020-09-29 13:10:31,661 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 13:10:31,669 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 13:10:31,669 INFO L202 PluginConnector]: Adding new model example2_N=56.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 01:10:31 BasicIcfg [2020-09-29 13:10:31,670 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 13:10:31,673 INFO L168 Benchmark]: Toolchain (without parser) took 766113.32 ms. Allocated memory was 249.6 MB in the beginning and 10.8 GB in the end (delta: 10.5 GB). Free memory was 223.4 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 10.9 GB. Max. memory is 14.2 GB. [2020-09-29 13:10:31,676 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 249.6 MB. Free memory is still 226.8 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 13:10:31,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.67 ms. Allocated memory is still 249.6 MB. Free memory was 223.4 MB in the beginning and 220.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.2 GB. [2020-09-29 13:10:31,679 INFO L168 Benchmark]: Boogie Preprocessor took 70.47 ms. Allocated memory is still 249.6 MB. Free memory was 220.9 MB in the beginning and 218.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-09-29 13:10:31,680 INFO L168 Benchmark]: RCFGBuilder took 789.49 ms. Allocated memory is still 249.6 MB. Free memory was 218.3 MB in the beginning and 177.1 MB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 14.2 GB. [2020-09-29 13:10:31,682 INFO L168 Benchmark]: TraceAbstraction took 765193.18 ms. Allocated memory was 249.6 MB in the beginning and 10.8 GB in the end (delta: 10.5 GB). Free memory was 176.2 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 10.8 GB. Max. memory is 14.2 GB. [2020-09-29 13:10:31,698 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 249.6 MB. Free memory is still 226.8 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 50.67 ms. Allocated memory is still 249.6 MB. Free memory was 223.4 MB in the beginning and 220.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 70.47 ms. Allocated memory is still 249.6 MB. Free memory was 220.9 MB in the beginning and 218.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 789.49 ms. Allocated memory is still 249.6 MB. Free memory was 218.3 MB in the beginning and 177.1 MB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 14.2 GB. * TraceAbstraction took 765193.18 ms. Allocated memory was 249.6 MB in the beginning and 10.8 GB in the end (delta: 10.5 GB). Free memory was 176.2 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 10.8 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.6s, 397 ProgramPointsBefore, 396 ProgramPointsAfterwards, 284 TransitionsBefore, 283 TransitionsAfterwards, 24640 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 0 CheckedPairsTotal, 1 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 122]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 122). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 396 places, 283 transitions, 1014 flow. Already constructed 816650 states. Currently 311934 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 57 procedures, 229 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 763.8s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 763.8s, 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