/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=23.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b665a9c [2020-09-29 12:03:00,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-29 12:03:00,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-29 12:03:00,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-29 12:03:00,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-29 12:03:00,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-29 12:03:00,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-29 12:03:00,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-29 12:03:00,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-29 12:03:00,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-29 12:03:00,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-29 12:03:00,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-29 12:03:00,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-29 12:03:00,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-29 12:03:00,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-29 12:03:00,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-29 12:03:00,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-29 12:03:00,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-29 12:03:00,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-29 12:03:00,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-29 12:03:00,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-29 12:03:00,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-29 12:03:00,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-29 12:03:00,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-29 12:03:00,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-29 12:03:00,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-29 12:03:00,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-29 12:03:00,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-29 12:03:00,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-29 12:03:00,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-29 12:03:00,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-29 12:03:00,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-29 12:03:00,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-29 12:03:00,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-29 12:03:00,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-29 12:03:00,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-29 12:03:00,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-29 12:03:00,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-29 12:03:00,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-29 12:03:00,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-29 12:03:00,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-29 12:03:00,155 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-29 12:03:00,210 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-29 12:03:00,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-29 12:03:00,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-29 12:03:00,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-29 12:03:00,217 INFO L138 SettingsManager]: * Use SBE=true [2020-09-29 12:03:00,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-29 12:03:00,217 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-29 12:03:00,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-29 12:03:00,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-29 12:03:00,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-29 12:03:00,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-29 12:03:00,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-29 12:03:00,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-29 12:03:00,219 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-29 12:03:00,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-29 12:03:00,219 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-29 12:03:00,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-29 12:03:00,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-29 12:03:00,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-29 12:03:00,221 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-29 12:03:00,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-29 12:03:00,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 12:03:00,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-29 12:03:00,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-29 12:03:00,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-29 12:03:00,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-29 12:03:00,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-29 12:03:00,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-29 12:03:00,223 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-29 12:03:00,223 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-29 12:03:00,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-29 12:03:00,712 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-29 12:03:00,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-29 12:03:00,719 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-09-29 12:03:00,721 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-09-29 12:03:00,722 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=23.bpl [2020-09-29 12:03:00,722 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=23.bpl' [2020-09-29 12:03:00,780 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-29 12:03:00,789 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-29 12:03:00,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-29 12:03:00,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-29 12:03:00,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-29 12:03:00,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:03:00" (1/1) ... [2020-09-29 12:03:00,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:03:00" (1/1) ... [2020-09-29 12:03:00,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-29 12:03:00,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-29 12:03:00,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-29 12:03:00,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-29 12:03:00,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:03:00" (1/1) ... [2020-09-29 12:03:00,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:03:00" (1/1) ... [2020-09-29 12:03:00,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:03:00" (1/1) ... [2020-09-29 12:03:00,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:03:00" (1/1) ... [2020-09-29 12:03:00,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:03:00" (1/1) ... [2020-09-29 12:03:00,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:03:00" (1/1) ... [2020-09-29 12:03:00,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:03:00" (1/1) ... [2020-09-29 12:03:00,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-29 12:03:00,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-29 12:03:00,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-29 12:03:00,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-29 12:03:00,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:03:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-29 12:03:01,016 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-09-29 12:03:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-09-29 12:03:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-09-29 12:03:01,017 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-09-29 12:03:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-09-29 12:03:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-09-29 12:03:01,018 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-09-29 12:03:01,018 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-09-29 12:03:01,018 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-09-29 12:03:01,018 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-09-29 12:03:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-29 12:03:01,019 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-29 12:03:01,019 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-09-29 12:03:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-29 12:03:01,019 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-29 12:03:01,020 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-09-29 12:03:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-09-29 12:03:01,020 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-09-29 12:03:01,020 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-09-29 12:03:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-09-29 12:03:01,021 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-09-29 12:03:01,021 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-09-29 12:03:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-09-29 12:03:01,021 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-09-29 12:03:01,021 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-09-29 12:03:01,022 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-09-29 12:03:01,022 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-09-29 12:03:01,022 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-09-29 12:03:01,022 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-09-29 12:03:01,022 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-09-29 12:03:01,023 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-09-29 12:03:01,023 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-09-29 12:03:01,023 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-09-29 12:03:01,023 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-09-29 12:03:01,023 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-09-29 12:03:01,024 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-09-29 12:03:01,024 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-09-29 12:03:01,024 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-09-29 12:03:01,024 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-09-29 12:03:01,024 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-09-29 12:03:01,025 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-09-29 12:03:01,025 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-09-29 12:03:01,025 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-09-29 12:03:01,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-29 12:03:01,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-29 12:03:01,026 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-09-29 12:03:01,026 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-09-29 12:03:01,026 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-09-29 12:03:01,026 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-09-29 12:03:01,026 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-09-29 12:03:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-09-29 12:03:01,027 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-09-29 12:03:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-09-29 12:03:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-09-29 12:03:01,028 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-09-29 12:03:01,028 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-09-29 12:03:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-09-29 12:03:01,028 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-09-29 12:03:01,028 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-09-29 12:03:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-09-29 12:03:01,029 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-09-29 12:03:01,029 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-09-29 12:03:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-09-29 12:03:01,029 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-09-29 12:03:01,030 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-09-29 12:03:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-09-29 12:03:01,030 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-09-29 12:03:01,030 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-09-29 12:03:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-09-29 12:03:01,031 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-09-29 12:03:01,031 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-09-29 12:03:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-09-29 12:03:01,033 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-29 12:03:01,334 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-29 12:03:01,334 INFO L298 CfgBuilder]: Removed 23 assume(true) statements. [2020-09-29 12:03:01,340 INFO L202 PluginConnector]: Adding new model example2_N=23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:03:01 BoogieIcfgContainer [2020-09-29 12:03:01,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-29 12:03:01,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-29 12:03:01,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-29 12:03:01,346 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-29 12:03:01,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 12:03:00" (1/2) ... [2020-09-29 12:03:01,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507f2e5a and model type example2_N=23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 12:03:01, skipping insertion in model container [2020-09-29 12:03:01,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 12:03:01" (2/2) ... [2020-09-29 12:03:01,350 INFO L109 eAbstractionObserver]: Analyzing ICFG example2_N=23.bpl [2020-09-29 12:03:01,364 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-29 12:03:01,364 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-29 12:03:01,375 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-29 12:03:01,376 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-29 12:03:01,853 INFO L251 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2020-09-29 12:03:01,879 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-29 12:03:01,880 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-29 12:03:01,880 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-29 12:03:01,880 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-29 12:03:01,880 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-29 12:03:01,880 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-29 12:03:01,881 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-29 12:03:01,881 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-29 12:03:01,904 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 166 places, 119 transitions, 422 flow [2020-09-29 12:03:01,907 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 166 places, 119 transitions, 422 flow [2020-09-29 12:03:02,027 INFO L129 PetriNetUnfolder]: 23/96 cut-off events. [2020-09-29 12:03:02,028 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2020-09-29 12:03:02,044 INFO L80 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 96 events. 23/96 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 75 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 112. Up to 2 conditions per place. [2020-09-29 12:03:02,055 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 166 places, 119 transitions, 422 flow [2020-09-29 12:03:02,102 INFO L129 PetriNetUnfolder]: 23/96 cut-off events. [2020-09-29 12:03:02,102 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2020-09-29 12:03:02,104 INFO L80 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 96 events. 23/96 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 75 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 112. Up to 2 conditions per place. [2020-09-29 12:03:02,109 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 4048 [2020-09-29 12:03:02,111 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-29 12:03:02,244 INFO L206 etLargeBlockEncoding]: Checked pairs total: 0 [2020-09-29 12:03:02,244 INFO L214 etLargeBlockEncoding]: Total number of compositions: 1 [2020-09-29 12:03:02,249 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 165 places, 118 transitions, 420 flow Received shutdown request... [2020-09-29 12:16:27,145 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-29 12:16:27,149 WARN L228 ceAbstractionStarter]: Timeout [2020-09-29 12:16:27,150 INFO L202 PluginConnector]: Adding new model example2_N=23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 12:16:27 BasicIcfg [2020-09-29 12:16:27,150 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-29 12:16:27,154 INFO L168 Benchmark]: Toolchain (without parser) took 806370.88 ms. Allocated memory was 250.1 MB in the beginning and 7.8 GB in the end (delta: 7.6 GB). Free memory was 226.5 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 6.7 GB. Max. memory is 14.2 GB. [2020-09-29 12:16:27,154 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 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. [2020-09-29 12:16:27,155 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.12 ms. Allocated memory is still 250.1 MB. Free memory is still 223.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-09-29 12:16:27,159 INFO L168 Benchmark]: Boogie Preprocessor took 73.65 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. [2020-09-29 12:16:27,161 INFO L168 Benchmark]: RCFGBuilder took 414.73 ms. Allocated memory is still 250.1 MB. Free memory was 221.4 MB in the beginning and 198.8 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 14.2 GB. [2020-09-29 12:16:27,164 INFO L168 Benchmark]: TraceAbstraction took 805808.55 ms. Allocated memory was 250.1 MB in the beginning and 7.8 GB in the end (delta: 7.6 GB). Free memory was 198.8 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 6.7 GB. Max. memory is 14.2 GB. [2020-09-29 12:16:27,176 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 0.18 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 60.12 ms. Allocated memory is still 250.1 MB. Free memory is still 223.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 73.65 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. * RCFGBuilder took 414.73 ms. Allocated memory is still 250.1 MB. Free memory was 221.4 MB in the beginning and 198.8 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 805808.55 ms. Allocated memory was 250.1 MB in the beginning and 7.8 GB in the end (delta: 7.6 GB). Free memory was 198.8 MB in the beginning and 2.5 GB in the end (delta: -2.3 GB). Peak memory consumption was 6.7 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.3s, 166 ProgramPointsBefore, 165 ProgramPointsAfterwards, 119 TransitionsBefore, 118 TransitionsAfterwards, 4048 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 0 CheckedPairsTotal, 1 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 56]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 56). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 165 places, 118 transitions, 420 flow. Already constructed 594524 states. Currently 226922 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 97 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 805.2s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 805.2s, 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