/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 0.1.25-50b6972 [2020-10-06 18:35:45,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 18:35:45,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 18:35:45,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 18:35:45,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 18:35:45,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 18:35:45,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 18:35:45,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 18:35:45,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 18:35:45,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 18:35:45,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 18:35:45,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 18:35:45,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 18:35:45,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 18:35:45,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 18:35:45,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 18:35:45,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 18:35:45,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 18:35:45,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 18:35:45,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 18:35:45,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 18:35:45,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 18:35:45,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 18:35:45,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 18:35:45,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 18:35:45,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 18:35:45,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 18:35:45,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 18:35:45,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 18:35:45,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 18:35:45,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 18:35:45,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 18:35:45,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 18:35:45,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 18:35:45,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 18:35:45,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 18:35:45,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 18:35:45,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 18:35:45,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 18:35:45,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 18:35:45,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 18:35:45,376 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 [2020-10-06 18:35:45,397 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 18:35:45,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 18:35:45,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 18:35:45,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 18:35:45,399 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 18:35:45,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 18:35:45,400 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 18:35:45,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 18:35:45,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 18:35:45,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 18:35:45,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 18:35:45,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 18:35:45,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 18:35:45,401 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 18:35:45,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 18:35:45,401 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 18:35:45,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 18:35:45,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 18:35:45,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 18:35:45,404 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 18:35:45,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 18:35:45,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 18:35:45,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 18:35:45,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 18:35:45,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 18:35:45,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 18:35:45,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 18:35:45,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 18:35:45,406 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 18:35:45,406 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 18:35:45,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 18:35:45,728 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 18:35:45,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 18:35:45,732 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 18:35:45,733 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 18:35:45,734 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=23.bpl [2020-10-06 18:35:45,734 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=23.bpl' [2020-10-06 18:35:45,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 18:35:45,784 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 18:35:45,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 18:35:45,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 18:35:45,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 18:35:45,800 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 06.10 06:35:45" (1/1) ... [2020-10-06 18:35:45,811 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 06.10 06:35:45" (1/1) ... [2020-10-06 18:35:45,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 18:35:45,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 18:35:45,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 18:35:45,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 18:35:45,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:45" (1/1) ... [2020-10-06 18:35:45,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:45" (1/1) ... [2020-10-06 18:35:45,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:45" (1/1) ... [2020-10-06 18:35:45,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:45" (1/1) ... [2020-10-06 18:35:45,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:45" (1/1) ... [2020-10-06 18:35:45,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:45" (1/1) ... [2020-10-06 18:35:45,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:45" (1/1) ... [2020-10-06 18:35:45,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 18:35:45,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 18:35:45,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 18:35:45,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 18:35:45,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:45" (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 [2020-10-06 18:35:45,933 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 18:35:45,934 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 18:35:45,935 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 18:35:45,936 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 18:35:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 18:35:45,936 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 18:35:45,937 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 18:35:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 18:35:45,937 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 18:35:45,937 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 18:35:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 18:35:45,937 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 18:35:45,938 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 18:35:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 18:35:45,938 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 18:35:45,938 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 18:35:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 18:35:45,938 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 18:35:45,939 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 18:35:45,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 18:35:45,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 18:35:45,940 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 18:35:45,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 18:35:45,941 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 18:35:45,941 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 18:35:45,942 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 18:35:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 18:35:45,943 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 18:35:45,943 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 18:35:45,944 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 18:35:45,944 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 18:35:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 18:35:45,944 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 18:35:45,944 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 18:35:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 18:35:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 18:35:45,945 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 18:35:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 18:35:45,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 18:35:45,946 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 18:35:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 18:35:45,947 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 18:35:45,947 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 18:35:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 18:35:45,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 18:35:45,948 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 18:35:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 18:35:45,948 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 18:35:45,948 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 18:35:45,949 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 18:35:45,949 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 18:35:45,949 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 18:35:45,949 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 18:35:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 18:35:45,950 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 18:35:45,950 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 18:35:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 18:35:45,951 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 18:35:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 18:35:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 18:35:45,951 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread23 given in one single declaration [2020-10-06 18:35:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread23 [2020-10-06 18:35:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread23 [2020-10-06 18:35:45,952 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 18:35:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 18:35:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 18:35:45,953 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-06 18:35:45,953 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-06 18:35:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-06 18:35:45,954 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 18:35:45,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 18:35:45,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 18:35:45,956 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 18:35:46,378 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 18:35:46,378 INFO L298 CfgBuilder]: Removed 23 assume(true) statements. [2020-10-06 18:35:46,381 INFO L202 PluginConnector]: Adding new model example2_N=23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:35:46 BoogieIcfgContainer [2020-10-06 18:35:46,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 18:35:46,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 18:35:46,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 18:35:46,385 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 18:35:46,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:45" (1/2) ... [2020-10-06 18:35:46,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19d67220 and model type example2_N=23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 06:35:46, skipping insertion in model container [2020-10-06 18:35:46,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:35:46" (2/2) ... [2020-10-06 18:35:46,390 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=23.bpl [2020-10-06 18:35:46,402 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 18:35:46,404 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 18:35:46,413 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 18:35:46,414 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 18:35:46,770 INFO L253 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2020-10-06 18:35:46,793 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 18:35:46,793 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 18:35:46,793 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 18:35:46,793 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 18:35:46,793 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 18:35:46,794 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 18:35:46,794 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 18:35:46,794 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 18:35:46,816 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 18:35:46,819 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 189 places, 142 transitions, 468 flow [2020-10-06 18:35:46,822 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 189 places, 142 transitions, 468 flow [2020-10-06 18:35:46,824 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 189 places, 142 transitions, 468 flow [2020-10-06 18:35:46,910 INFO L129 PetriNetUnfolder]: 23/119 cut-off events. [2020-10-06 18:35:46,910 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2020-10-06 18:35:46,920 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. [2020-10-06 18:35:46,929 INFO L117 LiptonReduction]: Number of co-enabled transitions 7590 [2020-10-06 18:35:47,553 INFO L132 LiptonReduction]: Checked pairs total: 11902 [2020-10-06 18:35:47,554 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 18:35:47,560 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 187 places, 140 transitions, 464 flow Received shutdown request... [2020-10-06 18:49:23,528 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 18:49:23,531 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 18:49:23,532 INFO L202 PluginConnector]: Adding new model example2_N=23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 06:49:23 BasicIcfg [2020-10-06 18:49:23,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 18:49:23,534 INFO L168 Benchmark]: Toolchain (without parser) took 817749.95 ms. Allocated memory was 251.7 MB in the beginning and 6.9 GB in the end (delta: 6.7 GB). Free memory was 227.2 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 6.3 GB. Max. memory is 14.2 GB. [2020-10-06 18:49:23,535 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 251.7 MB. Free memory is still 228.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 18:49:23,536 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.16 ms. Allocated memory is still 251.7 MB. Free memory was 227.2 MB in the beginning and 225.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-06 18:49:23,538 INFO L168 Benchmark]: Boogie Preprocessor took 34.28 ms. Allocated memory is still 251.7 MB. Free memory was 225.5 MB in the beginning and 223.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-06 18:49:23,539 INFO L168 Benchmark]: RCFGBuilder took 522.82 ms. Allocated memory is still 251.7 MB. Free memory was 223.8 MB in the beginning and 198.4 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 14.2 GB. [2020-10-06 18:49:23,541 INFO L168 Benchmark]: TraceAbstraction took 817149.51 ms. Allocated memory was 251.7 MB in the beginning and 6.9 GB in the end (delta: 6.7 GB). Free memory was 198.4 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 6.3 GB. Max. memory is 14.2 GB. [2020-10-06 18:49:23,552 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 251.7 MB. Free memory is still 228.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 39.16 ms. Allocated memory is still 251.7 MB. Free memory was 227.2 MB in the beginning and 225.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 34.28 ms. Allocated memory is still 251.7 MB. Free memory was 225.5 MB in the beginning and 223.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 522.82 ms. Allocated memory is still 251.7 MB. Free memory was 223.8 MB in the beginning and 198.4 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 817149.51 ms. Allocated memory was 251.7 MB in the beginning and 6.9 GB in the end (delta: 6.7 GB). Free memory was 198.4 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 6.3 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: 0.4s, 2896 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.7s, 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 790415 states. Currently 395208 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 120 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 816.7s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 816.7s, 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