/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=37.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 13:56:24,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 13:56:24,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 13:56:24,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 13:56:24,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 13:56:24,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 13:56:24,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 13:56:24,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 13:56:24,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 13:56:24,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 13:56:24,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 13:56:24,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 13:56:24,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 13:56:24,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 13:56:24,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 13:56:24,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 13:56:24,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 13:56:24,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 13:56:24,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 13:56:24,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 13:56:24,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 13:56:24,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 13:56:24,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 13:56:24,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 13:56:24,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 13:56:24,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 13:56:24,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 13:56:24,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 13:56:24,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 13:56:24,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 13:56:24,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 13:56:24,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 13:56:24,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 13:56:24,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 13:56:24,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 13:56:24,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 13:56:24,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 13:56:24,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 13:56:24,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 13:56:24,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 13:56:24,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 13:56:24,158 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 13:56:24,186 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 13:56:24,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 13:56:24,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 13:56:24,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 13:56:24,188 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 13:56:24,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 13:56:24,188 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 13:56:24,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 13:56:24,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 13:56:24,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 13:56:24,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 13:56:24,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 13:56:24,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 13:56:24,190 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 13:56:24,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 13:56:24,190 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 13:56:24,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 13:56:24,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 13:56:24,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 13:56:24,191 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 13:56:24,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 13:56:24,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:56:24,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 13:56:24,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 13:56:24,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 13:56:24,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 13:56:24,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 13:56:24,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 13:56:24,193 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 13:56:24,193 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 13:56:24,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 13:56:24,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 13:56:24,529 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 13:56:24,531 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 13:56:24,534 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 13:56:24,535 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=37.bpl [2020-10-08 13:56:24,536 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=37.bpl' [2020-10-08 13:56:24,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 13:56:24,598 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 13:56:24,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 13:56:24,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 13:56:24,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 13:56:24,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:24" (1/1) ... [2020-10-08 13:56:24,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:24" (1/1) ... [2020-10-08 13:56:24,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 13:56:24,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 13:56:24,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 13:56:24,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 13:56:24,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:24" (1/1) ... [2020-10-08 13:56:24,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:24" (1/1) ... [2020-10-08 13:56:24,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:24" (1/1) ... [2020-10-08 13:56:24,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:24" (1/1) ... [2020-10-08 13:56:24,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:24" (1/1) ... [2020-10-08 13:56:24,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:24" (1/1) ... [2020-10-08 13:56:24,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:24" (1/1) ... [2020-10-08 13:56:24,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 13:56:24,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 13:56:24,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 13:56:24,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 13:56:24,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:24" (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 13:56:24,770 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread29 given in one single declaration [2020-10-08 13:56:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure thread29 [2020-10-08 13:56:24,772 INFO L138 BoogieDeclarations]: Found implementation of procedure thread29 [2020-10-08 13:56:24,773 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread28 given in one single declaration [2020-10-08 13:56:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure thread28 [2020-10-08 13:56:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure thread28 [2020-10-08 13:56:24,774 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread25 given in one single declaration [2020-10-08 13:56:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure thread25 [2020-10-08 13:56:24,774 INFO L138 BoogieDeclarations]: Found implementation of procedure thread25 [2020-10-08 13:56:24,774 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 13:56:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 13:56:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 13:56:24,775 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread27 given in one single declaration [2020-10-08 13:56:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure thread27 [2020-10-08 13:56:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure thread27 [2020-10-08 13:56:24,775 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread26 given in one single declaration [2020-10-08 13:56:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure thread26 [2020-10-08 13:56:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure thread26 [2020-10-08 13:56:24,776 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 13:56:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 13:56:24,777 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 13:56:24,777 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 13:56:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 13:56:24,778 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 13:56:24,785 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 13:56:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 13:56:24,786 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 13:56:24,788 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 13:56:24,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 13:56:24,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 13:56:24,788 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 13:56:24,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 13:56:24,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 13:56:24,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 13:56:24,790 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 13:56:24,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 13:56:24,791 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 13:56:24,791 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 13:56:24,791 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 13:56:24,791 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 13:56:24,791 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 13:56:24,791 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 13:56:24,792 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 13:56:24,792 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 13:56:24,792 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 13:56:24,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 13:56:24,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 13:56:24,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 13:56:24,794 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 13:56:24,794 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 13:56:24,794 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 13:56:24,794 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 13:56:24,795 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 13:56:24,795 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 13:56:24,795 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 13:56:24,795 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 13:56:24,796 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 13:56:24,796 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 13:56:24,796 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 13:56:24,796 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 13:56:24,797 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 13:56:24,797 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 13:56:24,797 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 13:56:24,797 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 13:56:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 13:56:24,798 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 13:56:24,799 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread30 given in one single declaration [2020-10-08 13:56:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure thread30 [2020-10-08 13:56:24,799 INFO L138 BoogieDeclarations]: Found implementation of procedure thread30 [2020-10-08 13:56:24,800 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread36 given in one single declaration [2020-10-08 13:56:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure thread36 [2020-10-08 13:56:24,800 INFO L138 BoogieDeclarations]: Found implementation of procedure thread36 [2020-10-08 13:56:24,801 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 13:56:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 13:56:24,801 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 13:56:24,801 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread35 given in one single declaration [2020-10-08 13:56:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure thread35 [2020-10-08 13:56:24,801 INFO L138 BoogieDeclarations]: Found implementation of procedure thread35 [2020-10-08 13:56:24,802 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 13:56:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 13:56:24,802 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 13:56:24,802 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 13:56:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 13:56:24,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 13:56:24,803 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 13:56:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 13:56:24,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 13:56:24,804 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread37 given in one single declaration [2020-10-08 13:56:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread37 [2020-10-08 13:56:24,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread37 [2020-10-08 13:56:24,805 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 13:56:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 13:56:24,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 13:56:24,805 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread32 given in one single declaration [2020-10-08 13:56:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure thread32 [2020-10-08 13:56:24,806 INFO L138 BoogieDeclarations]: Found implementation of procedure thread32 [2020-10-08 13:56:24,806 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 13:56:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 13:56:24,806 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 13:56:24,806 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread31 given in one single declaration [2020-10-08 13:56:24,807 INFO L130 BoogieDeclarations]: Found specification of procedure thread31 [2020-10-08 13:56:24,807 INFO L138 BoogieDeclarations]: Found implementation of procedure thread31 [2020-10-08 13:56:24,807 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread34 given in one single declaration [2020-10-08 13:56:24,807 INFO L130 BoogieDeclarations]: Found specification of procedure thread34 [2020-10-08 13:56:24,807 INFO L138 BoogieDeclarations]: Found implementation of procedure thread34 [2020-10-08 13:56:24,808 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 13:56:24,808 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 13:56:24,808 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 13:56:24,809 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread33 given in one single declaration [2020-10-08 13:56:24,809 INFO L130 BoogieDeclarations]: Found specification of procedure thread33 [2020-10-08 13:56:24,812 INFO L138 BoogieDeclarations]: Found implementation of procedure thread33 [2020-10-08 13:56:24,812 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 13:56:24,813 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 13:56:24,813 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 13:56:24,814 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 13:56:25,318 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 13:56:25,319 INFO L298 CfgBuilder]: Removed 37 assume(true) statements. [2020-10-08 13:56:25,321 INFO L202 PluginConnector]: Adding new model example2_N=37.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:56:25 BoogieIcfgContainer [2020-10-08 13:56:25,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 13:56:25,323 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 13:56:25,323 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 13:56:25,326 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 13:56:25,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=37.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:56:24" (1/2) ... [2020-10-08 13:56:25,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdec713 and model type example2_N=37.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 01:56:25, skipping insertion in model container [2020-10-08 13:56:25,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=37.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:56:25" (2/2) ... [2020-10-08 13:56:25,329 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=37.bpl [2020-10-08 13:56:25,341 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 13:56:25,341 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 13:56:25,349 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 13:56:25,350 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 13:56:26,131 INFO L253 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2020-10-08 13:56:26,156 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 13:56:26,156 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 13:56:26,157 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 13:56:26,157 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 13:56:26,157 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 13:56:26,157 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 13:56:26,157 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 13:56:26,157 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 13:56:26,175 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 13:56:26,178 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 301 places, 226 transitions, 748 flow [2020-10-08 13:56:26,180 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 301 places, 226 transitions, 748 flow [2020-10-08 13:56:26,181 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 301 places, 226 transitions, 748 flow [2020-10-08 13:56:26,307 INFO L129 PetriNetUnfolder]: 37/189 cut-off events. [2020-10-08 13:56:26,308 INFO L130 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2020-10-08 13:56:26,320 INFO L80 FinitePrefix]: Finished finitePrefix Result has 338 conditions, 189 events. 37/189 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 275 event pairs, 0 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 219. Up to 2 conditions per place. [2020-10-08 13:56:26,339 INFO L117 LiptonReduction]: Number of co-enabled transitions 19980 [2020-10-08 13:56:27,253 INFO L132 LiptonReduction]: Checked pairs total: 31572 [2020-10-08 13:56:27,253 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 13:56:27,261 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 299 places, 224 transitions, 744 flow Received shutdown request... [2020-10-08 14:09:56,463 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 14:09:56,472 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 14:09:56,472 INFO L202 PluginConnector]: Adding new model example2_N=37.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 02:09:56 BasicIcfg [2020-10-08 14:09:56,472 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 14:09:56,475 INFO L168 Benchmark]: Toolchain (without parser) took 811876.85 ms. Allocated memory was 249.6 MB in the beginning and 9.2 GB in the end (delta: 9.0 GB). Free memory was 225.1 MB in the beginning and 3.6 GB in the end (delta: -3.4 GB). Peak memory consumption was 8.0 GB. Max. memory is 14.2 GB. [2020-10-08 14:09:56,476 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.32 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. [2020-10-08 14:09:56,477 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.23 ms. Allocated memory is still 249.6 MB. Free memory was 224.2 MB in the beginning and 222.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-08 14:09:56,478 INFO L168 Benchmark]: Boogie Preprocessor took 48.75 ms. Allocated memory is still 249.6 MB. Free memory was 222.6 MB in the beginning and 220.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-08 14:09:56,479 INFO L168 Benchmark]: RCFGBuilder took 633.46 ms. Allocated memory is still 249.6 MB. Free memory was 220.9 MB in the beginning and 185.4 MB in the end (delta: 35.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 14.2 GB. [2020-10-08 14:09:56,480 INFO L168 Benchmark]: TraceAbstraction took 811149.92 ms. Allocated memory was 249.6 MB in the beginning and 9.2 GB in the end (delta: 9.0 GB). Free memory was 185.4 MB in the beginning and 3.6 GB in the end (delta: -3.4 GB). Peak memory consumption was 8.0 GB. Max. memory is 14.2 GB. [2020-10-08 14:09:56,485 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 1.32 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 40.23 ms. Allocated memory is still 249.6 MB. Free memory was 224.2 MB in the beginning and 222.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 48.75 ms. Allocated memory is still 249.6 MB. Free memory was 222.6 MB in the beginning and 220.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 633.46 ms. Allocated memory is still 249.6 MB. Free memory was 220.9 MB in the beginning and 185.4 MB in the end (delta: 35.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 811149.92 ms. Allocated memory was 249.6 MB in the beginning and 9.2 GB in the end (delta: 9.0 GB). Free memory was 185.4 MB in the beginning and 3.6 GB in the end (delta: -3.4 GB). Peak memory consumption was 8.0 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5365 VarBasedMoverChecksPositive, 180 VarBasedMoverChecksNegative, 108 SemBasedMoverChecksPositive, 72 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 5400 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.0s, 301 PlacesBefore, 299 PlacesAfterwards, 226 TransitionsBefore, 224 TransitionsAfterwards, 19980 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 31572 MoverChecksTotal - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 84). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 299 places, 224 transitions, 744 flow. Already constructed 910793 states. Currently 455397 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 190 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 810.3s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 810.3s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown