/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=22.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-08 13:28:36,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-08 13:28:36,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-08 13:28:36,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-08 13:28:36,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-08 13:28:36,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-08 13:28:36,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-08 13:28:36,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-08 13:28:36,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-08 13:28:36,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-08 13:28:36,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-08 13:28:36,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-08 13:28:36,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-08 13:28:36,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-08 13:28:36,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-08 13:28:36,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-08 13:28:36,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-08 13:28:36,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-08 13:28:36,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-08 13:28:36,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-08 13:28:36,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-08 13:28:36,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-08 13:28:36,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-08 13:28:36,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-08 13:28:36,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-08 13:28:36,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-08 13:28:36,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-08 13:28:36,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-08 13:28:36,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-08 13:28:36,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-08 13:28:36,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-08 13:28:36,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-08 13:28:36,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-08 13:28:36,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-08 13:28:36,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-08 13:28:36,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-08 13:28:36,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-08 13:28:36,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-08 13:28:36,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-08 13:28:36,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-08 13:28:36,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-08 13:28:36,542 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 13:28:36,564 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-08 13:28:36,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-08 13:28:36,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-08 13:28:36,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-08 13:28:36,566 INFO L138 SettingsManager]: * Use SBE=true [2020-10-08 13:28:36,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-08 13:28:36,566 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-08 13:28:36,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-08 13:28:36,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-08 13:28:36,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-08 13:28:36,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-08 13:28:36,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-08 13:28:36,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-08 13:28:36,567 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-08 13:28:36,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-08 13:28:36,568 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-08 13:28:36,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-08 13:28:36,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-08 13:28:36,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-08 13:28:36,568 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-08 13:28:36,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-08 13:28:36,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-08 13:28:36,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-08 13:28:36,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-08 13:28:36,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-08 13:28:36,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-08 13:28:36,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-08 13:28:36,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-08 13:28:36,570 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-08 13:28:36,570 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-08 13:28:36,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-08 13:28:36,874 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-08 13:28:36,878 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-08 13:28:36,879 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-08 13:28:36,882 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-08 13:28:36,882 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=22.bpl [2020-10-08 13:28:36,883 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=22.bpl' [2020-10-08 13:28:36,929 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-08 13:28:36,931 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-08 13:28:36,932 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-08 13:28:36,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-08 13:28:36,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-08 13:28:36,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:28:36" (1/1) ... [2020-10-08 13:28:36,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:28:36" (1/1) ... [2020-10-08 13:28:36,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-08 13:28:36,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-08 13:28:36,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-08 13:28:36,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-08 13:28:36,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:28:36" (1/1) ... [2020-10-08 13:28:36,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:28:36" (1/1) ... [2020-10-08 13:28:36,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:28:36" (1/1) ... [2020-10-08 13:28:36,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:28:36" (1/1) ... [2020-10-08 13:28:36,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:28:36" (1/1) ... [2020-10-08 13:28:36,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:28:36" (1/1) ... [2020-10-08 13:28:36,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:28:36" (1/1) ... [2020-10-08 13:28:37,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-08 13:28:37,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-08 13:28:37,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-08 13:28:37,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-08 13:28:37,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:28:36" (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 13:28:37,074 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-08 13:28:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-08 13:28:37,076 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-08 13:28:37,077 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-08 13:28:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-08 13:28:37,077 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-08 13:28:37,078 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-08 13:28:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-08 13:28:37,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-08 13:28:37,078 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-08 13:28:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-08 13:28:37,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-08 13:28:37,079 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-08 13:28:37,079 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-08 13:28:37,079 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-08 13:28:37,080 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-08 13:28:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-08 13:28:37,080 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-08 13:28:37,080 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-08 13:28:37,081 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-08 13:28:37,081 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-08 13:28:37,081 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-08 13:28:37,082 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-08 13:28:37,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-08 13:28:37,088 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-08 13:28:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-08 13:28:37,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-08 13:28:37,091 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-08 13:28:37,091 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-08 13:28:37,092 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-08 13:28:37,092 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-08 13:28:37,092 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-08 13:28:37,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-08 13:28:37,093 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-08 13:28:37,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-08 13:28:37,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-08 13:28:37,095 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-08 13:28:37,095 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-08 13:28:37,095 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-08 13:28:37,095 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-08 13:28:37,095 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-08 13:28:37,096 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-08 13:28:37,096 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-08 13:28:37,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-08 13:28:37,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-08 13:28:37,097 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-08 13:28:37,097 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-08 13:28:37,097 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-08 13:28:37,097 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-08 13:28:37,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-08 13:28:37,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-08 13:28:37,098 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-08 13:28:37,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-08 13:28:37,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-08 13:28:37,099 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-08 13:28:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-08 13:28:37,099 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-08 13:28:37,099 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-08 13:28:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-08 13:28:37,100 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-08 13:28:37,100 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-08 13:28:37,100 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-08 13:28:37,101 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-08 13:28:37,101 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread22 given in one single declaration [2020-10-08 13:28:37,101 INFO L130 BoogieDeclarations]: Found specification of procedure thread22 [2020-10-08 13:28:37,102 INFO L138 BoogieDeclarations]: Found implementation of procedure thread22 [2020-10-08 13:28:37,102 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-08 13:28:37,102 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-08 13:28:37,102 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-08 13:28:37,104 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 13:28:37,409 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-08 13:28:37,409 INFO L298 CfgBuilder]: Removed 22 assume(true) statements. [2020-10-08 13:28:37,411 INFO L202 PluginConnector]: Adding new model example2_N=22.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:28:37 BoogieIcfgContainer [2020-10-08 13:28:37,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-08 13:28:37,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-08 13:28:37,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-08 13:28:37,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-08 13:28:37,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.10 01:28:36" (1/2) ... [2020-10-08 13:28:37,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39448b44 and model type example2_N=22.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 01:28:37, skipping insertion in model container [2020-10-08 13:28:37,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=22.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 01:28:37" (2/2) ... [2020-10-08 13:28:37,419 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=22.bpl [2020-10-08 13:28:37,430 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-08 13:28:37,430 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-08 13:28:37,437 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-08 13:28:37,438 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-08 13:28:37,792 INFO L253 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2020-10-08 13:28:37,814 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-08 13:28:37,814 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-08 13:28:37,814 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-08 13:28:37,815 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-08 13:28:37,815 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-08 13:28:37,815 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-08 13:28:37,815 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-08 13:28:37,815 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-08 13:28:37,836 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-08 13:28:37,840 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 181 places, 136 transitions, 448 flow [2020-10-08 13:28:37,843 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 181 places, 136 transitions, 448 flow [2020-10-08 13:28:37,845 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 181 places, 136 transitions, 448 flow [2020-10-08 13:28:37,927 INFO L129 PetriNetUnfolder]: 22/114 cut-off events. [2020-10-08 13:28:37,928 INFO L130 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2020-10-08 13:28:37,940 INFO L80 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 114 events. 22/114 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 179 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 129. Up to 2 conditions per place. [2020-10-08 13:28:37,949 INFO L117 LiptonReduction]: Number of co-enabled transitions 6930 [2020-10-08 13:28:38,579 INFO L132 LiptonReduction]: Checked pairs total: 10857 [2020-10-08 13:28:38,579 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-08 13:28:38,585 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 179 places, 134 transitions, 444 flow Received shutdown request... [2020-10-08 13:42:23,041 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-08 13:42:23,043 WARN L235 ceAbstractionStarter]: Timeout [2020-10-08 13:42:23,044 INFO L202 PluginConnector]: Adding new model example2_N=22.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 01:42:23 BasicIcfg [2020-10-08 13:42:23,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-08 13:42:23,047 INFO L168 Benchmark]: Toolchain (without parser) took 826114.70 ms. Allocated memory was 251.1 MB in the beginning and 7.2 GB in the end (delta: 6.9 GB). Free memory was 225.0 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 6.5 GB. Max. memory is 14.2 GB. [2020-10-08 13:42:23,048 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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 13:42:23,050 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.93 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 13:42:23,053 INFO L168 Benchmark]: Boogie Preprocessor took 33.48 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 13:42:23,055 INFO L168 Benchmark]: RCFGBuilder took 409.79 ms. Allocated memory is still 251.1 MB. Free memory was 222.5 MB in the beginning and 197.2 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 14.2 GB. [2020-10-08 13:42:23,058 INFO L168 Benchmark]: TraceAbstraction took 825631.43 ms. Allocated memory was 251.1 MB in the beginning and 7.2 GB in the end (delta: 6.9 GB). Free memory was 197.2 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 6.5 GB. Max. memory is 14.2 GB. [2020-10-08 13:42:23,068 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 0.19 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 35.93 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 33.48 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 409.79 ms. Allocated memory is still 251.1 MB. Free memory was 222.5 MB in the beginning and 197.2 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 825631.43 ms. Allocated memory was 251.1 MB in the beginning and 7.2 GB in the end (delta: 6.9 GB). Free memory was 197.2 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 6.5 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2446 VarBasedMoverChecksPositive, 105 VarBasedMoverChecksNegative, 64 SemBasedMoverChecksPositive, 41 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 2454 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.7s, 181 PlacesBefore, 179 PlacesAfterwards, 136 TransitionsBefore, 134 TransitionsAfterwards, 6930 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 10857 MoverChecksTotal - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 54). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 179 places, 134 transitions, 444 flow. Already constructed 798209 states. Currently 399107 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 825.2s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 825.2s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown