/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 0.1.25-11af1e5 [2020-10-08 13:28:38,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 13:28:38,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 13:28:38,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 13:28:38,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 13:28:38,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 13:28:38,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 13:28:38,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 13:28:38,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 13:28:38,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 13:28:38,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 13:28:38,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 13:28:38,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 13:28:38,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 13:28:38,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 13:28:38,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 13:28:38,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 13:28:38,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 13:28:38,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 13:28:38,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 13:28:38,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 13:28:38,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 13:28:38,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 13:28:38,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 13:28:38,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 13:28:38,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 13:28:38,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 13:28:38,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 13:28:38,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 13:28:38,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 13:28:38,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 13:28:38,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 13:28:38,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 13:28:38,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 13:28:38,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 13:28:38,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 13:28:38,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 13:28:38,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 13:28:38,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 13:28:38,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 13:28:38,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 13:28:38,895 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 13:28:38,917 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 13:28:38,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 13:28:38,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 13:28:38,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 13:28:38,919 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 13:28:38,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 13:28:38,920 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 13:28:38,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 13:28:38,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 13:28:38,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 13:28:38,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 13:28:38,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 13:28:38,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 13:28:38,921 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 13:28:38,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 13:28:38,921 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 13:28:38,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 13:28:38,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 13:28:38,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 13:28:38,922 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 13:28:38,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 13:28:38,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:28:38,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 13:28:38,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 13:28:38,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 13:28:38,923 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 13:28:38,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 13:28:38,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 13:28:38,924 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 13:28:38,924 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 13:28:39,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 13:28:39,258 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 13:28:39,262 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 13:28:39,263 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 13:28:39,264 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 13:28:39,265 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=23.bpl [2020-10-08 13:28:39,265 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=23.bpl' [2020-10-08 13:28:39,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 13:28:39,338 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 13:28:39,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 13:28:39,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 13:28:39,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 13:28:39,358 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 08.10 01:28:39" (1/1) ... [2020-10-08 13:28:39,380 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 08.10 01:28:39" (1/1) ... [2020-10-08 13:28:39,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 13:28:39,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 13:28:39,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 13:28:39,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 13:28:39,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:28:39" (1/1) ... [2020-10-08 13:28:39,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:28:39" (1/1) ... [2020-10-08 13:28:39,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:28:39" (1/1) ... [2020-10-08 13:28:39,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:28:39" (1/1) ... [2020-10-08 13:28:39,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:28:39" (1/1) ... [2020-10-08 13:28:39,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:28:39" (1/1) ... [2020-10-08 13:28:39,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:28:39" (1/1) ... [2020-10-08 13:28:39,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 13:28:39,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 13:28:39,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 13:28:39,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 13:28:39,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:28:39" (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 13:28:39,544 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 13:28:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 13:28:39,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 13:28:39,548 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 13:28:39,548 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 13:28:39,548 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 13:28:39,548 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 13:28:39,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 13:28:39,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 13:28:39,549 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 13:28:39,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 13:28:39,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 13:28:39,550 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 13:28:39,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 13:28:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 13:28:39,550 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 13:28:39,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 13:28:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 13:28:39,551 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 13:28:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 13:28:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 13:28:39,551 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 13:28:39,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 13:28:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 13:28:39,559 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 13:28:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 13:28:39,560 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 13:28:39,561 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 13:28:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 13:28:39,561 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 13:28:39,562 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 13:28:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 13:28:39,562 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 13:28:39,562 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 13:28:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 13:28:39,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 13:28:39,564 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 13:28:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 13:28:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 13:28:39,564 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 13:28:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 13:28:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 13:28:39,565 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 13:28:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 13:28:39,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 13:28:39,566 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 13:28:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 13:28:39,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 13:28:39,566 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 13:28:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 13:28:39,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 13:28:39,567 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 13:28:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 13:28:39,568 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 13:28:39,568 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 13:28:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 13:28:39,568 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 13:28:39,569 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 13:28:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 13:28:39,569 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 13:28:39,570 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 13:28:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 13:28:39,570 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 13:28:39,570 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 13:28:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 13:28:39,571 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 13:28:39,572 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 13:28:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 13:28:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 13:28:39,572 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 13:28:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 13:28:39,573 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 13:28:39,575 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 13:28:39,925 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 13:28:39,925 INFO L298 CfgBuilder]: Removed 23 assume(true) statements. [2020-10-08 13:28:39,927 INFO L202 PluginConnector]: Adding new model example2_N=23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:28:39 BoogieIcfgContainer [2020-10-08 13:28:39,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 13:28:39,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 13:28:39,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 13:28:39,932 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 13:28:39,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:28:39" (1/2) ... [2020-10-08 13:28:39,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40820151 and model type example2_N=23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 01:28:39, skipping insertion in model container [2020-10-08 13:28:39,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:28:39" (2/2) ... [2020-10-08 13:28:39,936 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=23.bpl [2020-10-08 13:28:39,947 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 13:28:39,948 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 13:28:39,956 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 13:28:39,957 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 13:28:40,368 INFO L253 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2020-10-08 13:28:40,391 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 13:28:40,391 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 13:28:40,391 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 13:28:40,391 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 13:28:40,392 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 13:28:40,392 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 13:28:40,392 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 13:28:40,392 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 13:28:40,414 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 13:28:40,417 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 189 places, 142 transitions, 468 flow [2020-10-08 13:28:40,420 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 189 places, 142 transitions, 468 flow [2020-10-08 13:28:40,422 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 189 places, 142 transitions, 468 flow [2020-10-08 13:28:40,531 INFO L129 PetriNetUnfolder]: 23/119 cut-off events. [2020-10-08 13:28:40,531 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2020-10-08 13:28:40,554 INFO L80 FinitePrefix]: Finished finitePrefix Result has 212 conditions, 119 events. 23/119 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 183 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 135. Up to 2 conditions per place. [2020-10-08 13:28:40,568 INFO L117 LiptonReduction]: Number of co-enabled transitions 7590 [2020-10-08 13:28:41,282 INFO L132 LiptonReduction]: Checked pairs total: 11902 [2020-10-08 13:28:41,283 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 13:28:41,290 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 187 places, 140 transitions, 464 flow Received shutdown request... [2020-10-08 13:42:12,505 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 13:42:12,508 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 13:42:12,509 INFO L202 PluginConnector]: Adding new model example2_N=23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 01:42:12 BasicIcfg [2020-10-08 13:42:12,509 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 13:42:12,512 INFO L168 Benchmark]: Toolchain (without parser) took 813173.87 ms. Allocated memory was 251.1 MB in the beginning and 6.9 GB in the end (delta: 6.7 GB). Free memory was 225.0 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 6.4 GB. Max. memory is 14.2 GB. [2020-10-08 13:42:12,513 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.43 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 13:42:12,515 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.77 ms. Allocated memory is still 251.1 MB. Free memory is still 225.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 13:42:12,517 INFO L168 Benchmark]: Boogie Preprocessor took 68.52 ms. Allocated memory is still 251.1 MB. Free memory was 225.0 MB in the beginning and 222.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 13:42:12,518 INFO L168 Benchmark]: RCFGBuilder took 459.69 ms. Allocated memory is still 251.1 MB. Free memory was 222.5 MB in the beginning and 197.0 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 14.2 GB. [2020-10-08 13:42:12,519 INFO L168 Benchmark]: TraceAbstraction took 812580.24 ms. Allocated memory was 251.1 MB in the beginning and 6.9 GB in the end (delta: 6.7 GB). Free memory was 197.0 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 6.4 GB. Max. memory is 14.2 GB. [2020-10-08 13:42:12,523 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 0.43 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 52.77 ms. Allocated memory is still 251.1 MB. Free memory is still 225.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 68.52 ms. Allocated memory is still 251.1 MB. Free memory was 225.0 MB in the beginning and 222.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 459.69 ms. Allocated memory is still 251.1 MB. Free memory was 222.5 MB in the beginning and 197.0 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 812580.24 ms. Allocated memory was 251.1 MB in the beginning and 6.9 GB in the end (delta: 6.7 GB). Free memory was 197.0 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 6.4 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2895 VarBasedMoverChecksPositive, 110 VarBasedMoverChecksNegative, 67 SemBasedMoverChecksPositive, 43 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 2896 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.8s, 189 PlacesBefore, 187 PlacesAfterwards, 142 TransitionsBefore, 140 TransitionsAfterwards, 7590 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 11902 MoverChecksTotal - 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 187 places, 140 transitions, 464 flow. Already constructed 826817 states. Currently 413409 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 120 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 812.1s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 812.1s, 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