/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=35.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 19:03:13,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 19:03:13,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 19:03:13,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 19:03:13,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 19:03:13,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 19:03:13,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 19:03:13,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 19:03:13,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 19:03:13,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 19:03:13,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 19:03:13,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 19:03:13,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 19:03:13,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 19:03:13,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 19:03:13,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 19:03:13,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 19:03:13,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 19:03:13,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 19:03:13,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 19:03:13,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 19:03:13,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 19:03:13,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 19:03:13,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 19:03:13,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 19:03:13,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 19:03:13,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 19:03:13,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 19:03:13,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 19:03:13,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 19:03:13,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 19:03:13,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 19:03:13,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 19:03:13,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 19:03:13,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 19:03:13,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 19:03:13,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 19:03:13,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 19:03:13,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 19:03:13,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 19:03:13,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 19:03:13,131 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 19:03:13,174 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 19:03:13,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 19:03:13,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 19:03:13,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 19:03:13,177 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 19:03:13,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 19:03:13,178 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 19:03:13,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 19:03:13,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 19:03:13,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 19:03:13,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 19:03:13,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 19:03:13,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 19:03:13,179 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 19:03:13,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 19:03:13,180 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 19:03:13,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 19:03:13,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 19:03:13,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 19:03:13,182 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 19:03:13,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 19:03:13,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 19:03:13,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 19:03:13,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 19:03:13,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 19:03:13,183 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 19:03:13,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 19:03:13,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 19:03:13,184 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 19:03:13,184 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 19:03:13,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 19:03:13,522 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 19:03:13,525 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 19:03:13,526 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 19:03:13,527 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 19:03:13,528 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=35.bpl [2020-10-06 19:03:13,528 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=35.bpl' [2020-10-06 19:03:13,582 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 19:03:13,584 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 19:03:13,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 19:03:13,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 19:03:13,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 19:03:13,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:13" (1/1) ... [2020-10-06 19:03:13,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:13" (1/1) ... [2020-10-06 19:03:13,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 19:03:13,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 19:03:13,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 19:03:13,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 19:03:13,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:13" (1/1) ... [2020-10-06 19:03:13,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:13" (1/1) ... [2020-10-06 19:03:13,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:13" (1/1) ... [2020-10-06 19:03:13,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:13" (1/1) ... [2020-10-06 19:03:13,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:13" (1/1) ... [2020-10-06 19:03:13,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:13" (1/1) ... [2020-10-06 19:03:13,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:13" (1/1) ... [2020-10-06 19:03:13,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 19:03:13,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 19:03:13,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 19:03:13,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 19:03:13,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:13" (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 19:03:13,762 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-06 19:03:13,763 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-06 19:03:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-06 19:03:13,765 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-06 19:03:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-06 19:03:13,765 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-06 19:03:13,768 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-06 19:03:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-06 19:03:13,768 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-06 19:03:13,768 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-06 19:03:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-06 19:03:13,768 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-06 19:03:13,769 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-06 19:03:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-06 19:03:13,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-06 19:03:13,769 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-06 19:03:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-06 19:03:13,770 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-06 19:03:13,770 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 19:03:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 19:03:13,770 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 19:03:13,770 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 19:03:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 19:03:13,771 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 19:03:13,778 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 19:03:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 19:03:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 19:03:13,780 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 19:03:13,780 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 19:03:13,780 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 19:03:13,781 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 19:03:13,781 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 19:03:13,781 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 19:03:13,781 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 19:03:13,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 19:03:13,782 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 19:03:13,782 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 19:03:13,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 19:03:13,782 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 19:03:13,783 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 19:03:13,783 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 19:03:13,783 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 19:03:13,783 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 19:03:13,783 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 19:03:13,784 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 19:03:13,784 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 19:03:13,784 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 19:03:13,784 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 19:03:13,785 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 19:03:13,785 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 19:03:13,785 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 19:03:13,785 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 19:03:13,785 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 19:03:13,786 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 19:03:13,786 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 19:03:13,786 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 19:03:13,786 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 19:03:13,786 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 19:03:13,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 19:03:13,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 19:03:13,787 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 19:03:13,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 19:03:13,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 19:03:13,788 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 19:03:13,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 19:03:13,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 19:03:13,789 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-06 19:03:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-06 19:03:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-06 19:03:13,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 19:03:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 19:03:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 19:03:13,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-06 19:03:13,791 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-06 19:03:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-06 19:03:13,791 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 19:03:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 19:03:13,792 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 19:03:13,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 19:03:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 19:03:13,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 19:03:13,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 19:03:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 19:03:13,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 19:03:13,794 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 19:03:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 19:03:13,795 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 19:03:13,795 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-06 19:03:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-06 19:03:13,796 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-06 19:03:13,796 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 19:03:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 19:03:13,796 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 19:03:13,796 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-06 19:03:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-06 19:03:13,797 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-06 19:03:13,797 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-06 19:03:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-06 19:03:13,797 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-06 19:03:13,797 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 19:03:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 19:03:13,798 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 19:03:13,798 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-06 19:03:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-06 19:03:13,798 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-06 19:03:13,798 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 19:03:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 19:03:13,799 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 19:03:13,800 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 19:03:14,308 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 19:03:14,308 INFO L298 CfgBuilder]: Removed 35 assume(true) statements. [2020-10-06 19:03:14,310 INFO L202 PluginConnector]: Adding new model example2_N=35.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:03:14 BoogieIcfgContainer [2020-10-06 19:03:14,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 19:03:14,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 19:03:14,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 19:03:14,315 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 19:03:14,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:03:13" (1/2) ... [2020-10-06 19:03:14,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b2500a and model type example2_N=35.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 07:03:14, skipping insertion in model container [2020-10-06 19:03:14,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=35.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:03:14" (2/2) ... [2020-10-06 19:03:14,318 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=35.bpl [2020-10-06 19:03:14,329 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 19:03:14,329 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 19:03:14,337 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 19:03:14,337 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 19:03:15,003 INFO L253 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2020-10-06 19:03:15,026 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 19:03:15,026 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 19:03:15,026 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 19:03:15,027 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 19:03:15,027 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 19:03:15,027 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 19:03:15,027 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 19:03:15,027 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 19:03:15,048 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 19:03:15,051 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 285 places, 214 transitions, 708 flow [2020-10-06 19:03:15,054 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 285 places, 214 transitions, 708 flow [2020-10-06 19:03:15,056 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 285 places, 214 transitions, 708 flow [2020-10-06 19:03:15,172 INFO L129 PetriNetUnfolder]: 35/179 cut-off events. [2020-10-06 19:03:15,172 INFO L130 PetriNetUnfolder]: For 35/35 co-relation queries the response was YES. [2020-10-06 19:03:15,184 INFO L80 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 179 events. 35/179 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 255 event pairs, 0 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 207. Up to 2 conditions per place. [2020-10-06 19:03:15,201 INFO L117 LiptonReduction]: Number of co-enabled transitions 17850 [2020-10-06 19:03:16,125 INFO L132 LiptonReduction]: Checked pairs total: 28186 [2020-10-06 19:03:16,125 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 19:03:16,132 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 283 places, 212 transitions, 704 flow Received shutdown request... [2020-10-06 19:16:42,471 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 19:16:42,474 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 19:16:42,475 INFO L202 PluginConnector]: Adding new model example2_N=35.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:16:42 BasicIcfg [2020-10-06 19:16:42,480 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 19:16:42,489 INFO L168 Benchmark]: Toolchain (without parser) took 808898.21 ms. Allocated memory was 251.1 MB in the beginning and 8.2 GB in the end (delta: 8.0 GB). Free memory was 225.0 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 7.3 GB. Max. memory is 14.2 GB. [2020-10-06 19:16:42,491 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:16:42,496 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.66 ms. Allocated memory is still 251.1 MB. Free memory was 225.0 MB in the beginning and 222.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-06 19:16:42,498 INFO L168 Benchmark]: Boogie Preprocessor took 45.03 ms. Allocated memory is still 251.1 MB. Free memory is still 222.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 19:16:42,499 INFO L168 Benchmark]: RCFGBuilder took 640.48 ms. Allocated memory is still 251.1 MB. Free memory was 222.5 MB in the beginning and 187.2 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 14.2 GB. [2020-10-06 19:16:42,501 INFO L168 Benchmark]: TraceAbstraction took 808168.65 ms. Allocated memory was 251.1 MB in the beginning and 8.2 GB in the end (delta: 8.0 GB). Free memory was 187.2 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 7.2 GB. Max. memory is 14.2 GB. [2020-10-06 19:16:42,508 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 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 39.66 ms. Allocated memory is still 251.1 MB. Free memory was 225.0 MB in the beginning and 222.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 45.03 ms. Allocated memory is still 251.1 MB. Free memory is still 222.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 640.48 ms. Allocated memory is still 251.1 MB. Free memory was 222.5 MB in the beginning and 187.2 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 808168.65 ms. Allocated memory was 251.1 MB in the beginning and 8.2 GB in the end (delta: 8.0 GB). Free memory was 187.2 MB in the beginning and 2.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 7.2 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4829 VarBasedMoverChecksPositive, 170 VarBasedMoverChecksNegative, 102 SemBasedMoverChecksPositive, 68 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 4861 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.0s, 285 PlacesBefore, 283 PlacesAfterwards, 214 TransitionsBefore, 212 TransitionsAfterwards, 17850 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 28186 MoverChecksTotal - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 80). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 283 places, 212 transitions, 704 flow. Already constructed 887679 states. Currently 443846 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 180 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 807.4s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 807.4s, 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