/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=41.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 14:09:38,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 14:09:38,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 14:09:38,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 14:09:38,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 14:09:38,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 14:09:38,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 14:09:38,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 14:09:38,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 14:09:38,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 14:09:38,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 14:09:38,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 14:09:38,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 14:09:38,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 14:09:38,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 14:09:38,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 14:09:38,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 14:09:38,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 14:09:38,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 14:09:38,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 14:09:38,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 14:09:38,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 14:09:38,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 14:09:38,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 14:09:38,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 14:09:38,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 14:09:38,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 14:09:38,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 14:09:38,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 14:09:38,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 14:09:38,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 14:09:38,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 14:09:38,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 14:09:38,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 14:09:38,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 14:09:38,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 14:09:38,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 14:09:38,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 14:09:38,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 14:09:38,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 14:09:38,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 14:09:38,163 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 14:09:38,186 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 14:09:38,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 14:09:38,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 14:09:38,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 14:09:38,188 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 14:09:38,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 14:09:38,189 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 14:09:38,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 14:09:38,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 14:09:38,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 14:09:38,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 14:09:38,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 14:09:38,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 14:09:38,190 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 14:09:38,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 14:09:38,190 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 14:09:38,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 14:09:38,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 14:09:38,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 14:09:38,191 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 14:09:38,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 14:09:38,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 14:09:38,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 14:09:38,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 14:09:38,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 14:09:38,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 14:09:38,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 14:09:38,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 14:09:38,193 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 14:09:38,193 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 14:09:38,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 14:09:38,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 14:09:38,545 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 14:09:38,546 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 14:09:38,547 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 14:09:38,548 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=41.bpl [2020-10-08 14:09:38,548 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=41.bpl' [2020-10-08 14:09:38,608 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 14:09:38,610 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 14:09:38,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 14:09:38,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 14:09:38,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 14:09:38,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:38" (1/1) ... [2020-10-08 14:09:38,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:38" (1/1) ... [2020-10-08 14:09:38,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 14:09:38,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 14:09:38,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 14:09:38,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 14:09:38,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:38" (1/1) ... [2020-10-08 14:09:38,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:38" (1/1) ... [2020-10-08 14:09:38,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:38" (1/1) ... [2020-10-08 14:09:38,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:38" (1/1) ... [2020-10-08 14:09:38,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:38" (1/1) ... [2020-10-08 14:09:38,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:38" (1/1) ... [2020-10-08 14:09:38,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:38" (1/1) ... [2020-10-08 14:09:38,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 14:09:38,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 14:09:38,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 14:09:38,707 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 14:09:38,708 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:38" (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 14:09:38,782 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-08 14:09:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-08 14:09:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-08 14:09:38,785 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 14:09:38,785 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 14:09:38,785 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 14:09:38,788 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread41 given in one single declaration [2020-10-08 14:09:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread41 [2020-10-08 14:09:38,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread41 [2020-10-08 14:09:38,788 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread40 given in one single declaration [2020-10-08 14:09:38,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread40 [2020-10-08 14:09:38,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread40 [2020-10-08 14:09:38,789 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 14:09:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 14:09:38,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 14:09:38,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 14:09:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 14:09:38,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 14:09:38,791 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 14:09:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 14:09:38,792 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 14:09:38,792 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 14:09:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 14:09:38,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 14:09:38,799 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 14:09:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 14:09:38,801 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 14:09:38,802 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 14:09:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 14:09:38,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 14:09:38,803 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 14:09:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 14:09:38,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 14:09:38,804 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 14:09:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 14:09:38,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 14:09:38,805 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 14:09:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 14:09:38,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 14:09:38,806 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread39 given in one single declaration [2020-10-08 14:09:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure thread39 [2020-10-08 14:09:38,806 INFO L138 BoogieDeclarations]: Found implementation of procedure thread39 [2020-10-08 14:09:38,806 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 14:09:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 14:09:38,807 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 14:09:38,807 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 14:09:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 14:09:38,808 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 14:09:38,808 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 14:09:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 14:09:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 14:09:38,809 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 14:09:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 14:09:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 14:09:38,810 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 14:09:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 14:09:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 14:09:38,811 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 14:09:38,811 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 14:09:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 14:09:38,812 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 14:09:38,812 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 14:09:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 14:09:38,812 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 14:09:38,813 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 14:09:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 14:09:38,814 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 14:09:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 14:09:38,814 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 14:09:38,815 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 14:09:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 14:09:38,815 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 14:09:38,815 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 14:09:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 14:09:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 14:09:38,816 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-08 14:09:38,816 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-08 14:09:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-08 14:09:38,816 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-08 14:09:38,817 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-08 14:09:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-08 14:09:38,817 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 14:09:38,817 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 14:09:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 14:09:38,818 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-08 14:09:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-08 14:09:38,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-08 14:09:38,819 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 14:09:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 14:09:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 14:09:38,820 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 14:09:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 14:09:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 14:09:38,820 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread38 given in one single declaration [2020-10-08 14:09:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure thread38 [2020-10-08 14:09:38,821 INFO L138 BoogieDeclarations]: Found implementation of procedure thread38 [2020-10-08 14:09:38,821 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 14:09:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 14:09:38,821 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 14:09:38,822 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-08 14:09:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-08 14:09:38,822 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-08 14:09:38,822 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 14:09:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 14:09:38,822 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 14:09:38,823 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-08 14:09:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-08 14:09:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-08 14:09:38,824 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 14:09:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 14:09:38,827 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 14:09:38,828 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-08 14:09:38,828 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-08 14:09:38,828 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-08 14:09:38,828 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-08 14:09:38,829 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-08 14:09:38,829 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-08 14:09:38,829 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 14:09:38,829 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 14:09:38,829 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 14:09:38,830 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-08 14:09:38,830 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-08 14:09:38,830 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-08 14:09:38,830 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 14:09:38,830 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 14:09:38,830 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 14:09:38,832 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 14:09:39,354 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 14:09:39,354 INFO L298 CfgBuilder]: Removed 41 assume(true) statements. [2020-10-08 14:09:39,357 INFO L202 PluginConnector]: Adding new model example2_N=41.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:09:39 BoogieIcfgContainer [2020-10-08 14:09:39,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 14:09:39,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 14:09:39,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 14:09:39,362 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 14:09:39,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 02:09:38" (1/2) ... [2020-10-08 14:09:39,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d00abb0 and model type example2_N=41.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 02:09:39, skipping insertion in model container [2020-10-08 14:09:39,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=41.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 02:09:39" (2/2) ... [2020-10-08 14:09:39,365 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=41.bpl [2020-10-08 14:09:39,377 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 14:09:39,377 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 14:09:39,385 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 14:09:39,386 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 14:09:40,269 INFO L253 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2020-10-08 14:09:40,290 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 14:09:40,291 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 14:09:40,291 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 14:09:40,291 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 14:09:40,291 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 14:09:40,291 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 14:09:40,292 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 14:09:40,292 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 14:09:40,314 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 14:09:40,317 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 333 places, 250 transitions, 828 flow [2020-10-08 14:09:40,321 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 333 places, 250 transitions, 828 flow [2020-10-08 14:09:40,323 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 333 places, 250 transitions, 828 flow [2020-10-08 14:09:40,479 INFO L129 PetriNetUnfolder]: 41/209 cut-off events. [2020-10-08 14:09:40,479 INFO L130 PetriNetUnfolder]: For 41/41 co-relation queries the response was YES. [2020-10-08 14:09:40,493 INFO L80 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 209 events. 41/209 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 279 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 243. Up to 2 conditions per place. [2020-10-08 14:09:40,539 INFO L117 LiptonReduction]: Number of co-enabled transitions 24600 [2020-10-08 14:09:41,634 INFO L132 LiptonReduction]: Checked pairs total: 38920 [2020-10-08 14:09:41,635 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 14:09:41,642 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 331 places, 248 transitions, 824 flow Received shutdown request... [2020-10-08 14:23:12,866 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 14:23:12,880 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 14:23:12,880 INFO L202 PluginConnector]: Adding new model example2_N=41.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 02:23:12 BasicIcfg [2020-10-08 14:23:12,880 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 14:23:12,883 INFO L168 Benchmark]: Toolchain (without parser) took 814272.79 ms. Allocated memory was 250.1 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 223.9 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 7.4 GB. Max. memory is 14.2 GB. [2020-10-08 14:23:12,884 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 250.1 MB. Free memory is still 226.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 14:23:12,887 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.81 ms. Allocated memory is still 250.1 MB. Free memory was 223.9 MB in the beginning and 221.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:23:12,888 INFO L168 Benchmark]: Boogie Preprocessor took 53.10 ms. Allocated memory is still 250.1 MB. Free memory was 221.4 MB in the beginning and 218.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:23:12,889 INFO L168 Benchmark]: RCFGBuilder took 651.32 ms. Allocated memory is still 250.1 MB. Free memory was 218.9 MB in the beginning and 181.1 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 14.2 GB. [2020-10-08 14:23:12,890 INFO L168 Benchmark]: TraceAbstraction took 813521.98 ms. Allocated memory was 250.1 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 181.1 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 7.4 GB. Max. memory is 14.2 GB. [2020-10-08 14:23:12,894 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 250.1 MB. Free memory is still 226.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 41.81 ms. Allocated memory is still 250.1 MB. Free memory was 223.9 MB in the beginning and 221.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 53.10 ms. Allocated memory is still 250.1 MB. Free memory was 221.4 MB in the beginning and 218.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 651.32 ms. Allocated memory is still 250.1 MB. Free memory was 218.9 MB in the beginning and 181.1 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 813521.98 ms. Allocated memory was 250.1 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 181.1 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 7.4 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 6983 VarBasedMoverChecksPositive, 280 VarBasedMoverChecksNegative, 161 SemBasedMoverChecksPositive, 119 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.8s, 7100 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.3s, 333 PlacesBefore, 331 PlacesAfterwards, 250 TransitionsBefore, 248 TransitionsAfterwards, 24600 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 38920 MoverChecksTotal - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 92). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 331 places, 248 transitions, 824 flow. Already constructed 876788 states. Currently 438398 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 210 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 812.5s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 812.5s, 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