/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=24.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 13:29:17,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 13:29:17,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 13:29:17,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 13:29:17,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 13:29:17,821 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 13:29:17,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 13:29:17,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 13:29:17,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 13:29:17,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 13:29:17,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 13:29:17,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 13:29:17,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 13:29:17,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 13:29:17,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 13:29:17,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 13:29:17,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 13:29:17,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 13:29:17,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 13:29:17,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 13:29:17,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 13:29:17,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 13:29:17,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 13:29:17,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 13:29:17,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 13:29:17,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 13:29:17,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 13:29:17,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 13:29:17,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 13:29:17,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 13:29:17,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 13:29:17,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 13:29:17,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 13:29:17,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 13:29:17,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 13:29:17,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 13:29:17,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 13:29:17,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 13:29:17,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 13:29:17,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 13:29:17,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 13:29:17,889 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 13:29:17,930 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 13:29:17,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 13:29:17,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 13:29:17,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 13:29:17,932 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 13:29:17,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 13:29:17,933 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 13:29:17,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 13:29:17,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 13:29:17,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 13:29:17,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 13:29:17,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 13:29:17,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 13:29:17,935 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 13:29:17,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 13:29:17,935 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 13:29:17,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 13:29:17,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 13:29:17,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 13:29:17,936 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 13:29:17,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 13:29:17,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:29:17,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 13:29:17,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 13:29:17,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 13:29:17,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 13:29:17,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 13:29:17,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 13:29:17,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 13:29:17,938 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 13:29:18,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 13:29:18,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 13:29:18,272 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 13:29:18,274 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 13:29:18,275 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 13:29:18,275 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=24.bpl [2020-10-08 13:29:18,276 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=24.bpl' [2020-10-08 13:29:18,340 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 13:29:18,343 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 13:29:18,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 13:29:18,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 13:29:18,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 13:29:18,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:29:18" (1/1) ... [2020-10-08 13:29:18,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:29:18" (1/1) ... [2020-10-08 13:29:18,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 13:29:18,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 13:29:18,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 13:29:18,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 13:29:18,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:29:18" (1/1) ... [2020-10-08 13:29:18,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:29:18" (1/1) ... [2020-10-08 13:29:18,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:29:18" (1/1) ... [2020-10-08 13:29:18,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:29:18" (1/1) ... [2020-10-08 13:29:18,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:29:18" (1/1) ... [2020-10-08 13:29:18,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:29:18" (1/1) ... [2020-10-08 13:29:18,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:29:18" (1/1) ... [2020-10-08 13:29:18,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 13:29:18,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 13:29:18,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 13:29:18,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 13:29:18,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:29:18" (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 13:29:18,545 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread24 given in one single declaration [2020-10-08 13:29:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread24 [2020-10-08 13:29:18,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread24 [2020-10-08 13:29:18,548 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 13:29:18,548 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 13:29:18,548 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 13:29:18,548 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 13:29:18,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 13:29:18,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 13:29:18,549 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-08 13:29:18,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-08 13:29:18,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-08 13:29:18,550 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 13:29:18,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 13:29:18,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 13:29:18,551 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 13:29:18,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 13:29:18,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 13:29:18,552 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 13:29:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 13:29:18,553 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 13:29:18,553 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 13:29:18,553 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 13:29:18,554 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 13:29:18,560 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 13:29:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 13:29:18,561 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 13:29:18,562 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 13:29:18,562 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 13:29:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 13:29:18,563 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 13:29:18,563 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 13:29:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 13:29:18,563 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 13:29:18,564 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 13:29:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 13:29:18,564 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 13:29:18,565 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 13:29:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 13:29:18,565 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 13:29:18,565 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 13:29:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 13:29:18,566 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 13:29:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 13:29:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 13:29:18,566 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 13:29:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 13:29:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 13:29:18,567 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 13:29:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 13:29:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 13:29:18,568 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 13:29:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 13:29:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 13:29:18,568 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 13:29:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 13:29:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 13:29:18,569 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 13:29:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 13:29:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 13:29:18,570 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 13:29:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 13:29:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 13:29:18,571 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 13:29:18,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 13:29:18,571 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 13:29:18,572 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 13:29:18,572 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 13:29:18,572 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 13:29:18,572 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 13:29:18,573 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 13:29:18,573 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 13:29:18,573 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 13:29:18,573 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 13:29:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 13:29:18,575 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 13:29:18,924 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 13:29:18,924 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-08 13:29:18,926 INFO L202 PluginConnector]: Adding new model example2_N=24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:29:18 BoogieIcfgContainer [2020-10-08 13:29:18,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 13:29:18,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 13:29:18,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 13:29:18,932 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 13:29:18,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:29:18" (1/2) ... [2020-10-08 13:29:18,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@244e6354 and model type example2_N=24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 01:29:18, skipping insertion in model container [2020-10-08 13:29:18,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:29:18" (2/2) ... [2020-10-08 13:29:18,936 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=24.bpl [2020-10-08 13:29:18,952 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 13:29:18,954 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 13:29:18,970 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 13:29:18,971 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 13:29:19,361 INFO L253 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2020-10-08 13:29:19,384 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 13:29:19,384 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 13:29:19,384 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 13:29:19,384 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 13:29:19,385 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 13:29:19,385 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 13:29:19,385 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 13:29:19,385 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 13:29:19,405 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 13:29:19,408 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 197 places, 148 transitions, 488 flow [2020-10-08 13:29:19,411 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 197 places, 148 transitions, 488 flow [2020-10-08 13:29:19,413 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 197 places, 148 transitions, 488 flow [2020-10-08 13:29:19,501 INFO L129 PetriNetUnfolder]: 24/124 cut-off events. [2020-10-08 13:29:19,501 INFO L130 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2020-10-08 13:29:19,511 INFO L80 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 124 events. 24/124 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 169 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 141. Up to 2 conditions per place. [2020-10-08 13:29:19,522 INFO L117 LiptonReduction]: Number of co-enabled transitions 8280 [2020-10-08 13:29:20,158 INFO L132 LiptonReduction]: Checked pairs total: 12995 [2020-10-08 13:29:20,158 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 13:29:20,165 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 195 places, 146 transitions, 484 flow Received shutdown request... [2020-10-08 13:43:16,509 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 13:43:16,512 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 13:43:16,512 INFO L202 PluginConnector]: Adding new model example2_N=24.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 01:43:16 BasicIcfg [2020-10-08 13:43:16,512 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 13:43:16,515 INFO L168 Benchmark]: Toolchain (without parser) took 838172.01 ms. Allocated memory was 255.3 MB in the beginning and 6.6 GB in the end (delta: 6.3 GB). Free memory was 229.2 MB in the beginning and 2.6 GB in the end (delta: -2.3 GB). Peak memory consumption was 6.0 GB. Max. memory is 14.2 GB. [2020-10-08 13:43:16,516 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.45 ms. Allocated memory is still 255.3 MB. Free memory is still 231.7 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 13:43:16,517 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.08 ms. Allocated memory is still 255.3 MB. Free memory is still 229.2 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-08 13:43:16,518 INFO L168 Benchmark]: Boogie Preprocessor took 74.09 ms. Allocated memory is still 255.3 MB. Free memory was 229.2 MB in the beginning and 226.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-08 13:43:16,519 INFO L168 Benchmark]: RCFGBuilder took 455.99 ms. Allocated memory is still 255.3 MB. Free memory was 226.7 MB in the beginning and 201.4 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 14.2 GB. [2020-10-08 13:43:16,521 INFO L168 Benchmark]: TraceAbstraction took 837584.26 ms. Allocated memory was 255.3 MB in the beginning and 6.6 GB in the end (delta: 6.3 GB). Free memory was 198.9 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 6.0 GB. Max. memory is 14.2 GB. [2020-10-08 13:43:16,525 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 0.45 ms. Allocated memory is still 255.3 MB. Free memory is still 231.7 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 52.08 ms. Allocated memory is still 255.3 MB. Free memory is still 229.2 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 74.09 ms. Allocated memory is still 255.3 MB. Free memory was 229.2 MB in the beginning and 226.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 455.99 ms. Allocated memory is still 255.3 MB. Free memory was 226.7 MB in the beginning and 201.4 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 14.2 GB. * TraceAbstraction took 837584.26 ms. Allocated memory was 255.3 MB in the beginning and 6.6 GB in the end (delta: 6.3 GB). Free memory was 198.9 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 6.0 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2255 VarBasedMoverChecksPositive, 115 VarBasedMoverChecksNegative, 69 SemBasedMoverChecksPositive, 46 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 2276 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.7s, 197 PlacesBefore, 195 PlacesAfterwards, 148 TransitionsBefore, 146 TransitionsAfterwards, 8280 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 12995 MoverChecksTotal - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 58). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 195 places, 146 transitions, 484 flow. Already constructed 745149 states. Currently 372575 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 125 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 837.1s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 837.1s, 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