/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=21.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.25-50b6972 [2020-10-06 18:35:40,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 18:35:40,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 18:35:40,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 18:35:40,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 18:35:40,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 18:35:40,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 18:35:40,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 18:35:40,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 18:35:40,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 18:35:40,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 18:35:40,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 18:35:40,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 18:35:40,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 18:35:40,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 18:35:40,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 18:35:40,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 18:35:40,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 18:35:40,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 18:35:40,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 18:35:40,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 18:35:40,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 18:35:40,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 18:35:40,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 18:35:40,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-06 18:35:40,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 18:35:40,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 18:35:40,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 18:35:40,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 18:35:40,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 18:35:40,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 18:35:40,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 18:35:40,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 18:35:40,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 18:35:40,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 18:35:40,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 18:35:40,989 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 18:35:41,024 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 18:35:41,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 18:35:41,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 18:35:41,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 18:35:41,029 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 18:35:41,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 18:35:41,029 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 18:35:41,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 18:35:41,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 18:35:41,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 18:35:41,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 18:35:41,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 18:35:41,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 18:35:41,031 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 18:35:41,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 18:35:41,032 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 18:35:41,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 18:35:41,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 18:35:41,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 18:35:41,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 18:35:41,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 18:35:41,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 18:35:41,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 18:35:41,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-06 18:35:41,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 18:35:41,034 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 18:35:41,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 18:35:41,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 18:35:41,035 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-06 18:35:41,035 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-06 18:35:41,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 18:35:41,367 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 18:35:41,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 18:35:41,372 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2020-10-06 18:35:41,373 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2020-10-06 18:35:41,374 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=21.bpl [2020-10-06 18:35:41,377 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/VMCAI2021/generated/example2_N=21.bpl' [2020-10-06 18:35:41,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 18:35:41,431 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-06 18:35:41,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 18:35:41,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 18:35:41,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 18:35:41,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:41" (1/1) ... [2020-10-06 18:35:41,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:41" (1/1) ... [2020-10-06 18:35:41,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 18:35:41,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 18:35:41,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 18:35:41,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 18:35:41,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:41" (1/1) ... [2020-10-06 18:35:41,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:41" (1/1) ... [2020-10-06 18:35:41,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:41" (1/1) ... [2020-10-06 18:35:41,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:41" (1/1) ... [2020-10-06 18:35:41,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:41" (1/1) ... [2020-10-06 18:35:41,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:41" (1/1) ... [2020-10-06 18:35:41,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:41" (1/1) ... [2020-10-06 18:35:41,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 18:35:41,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 18:35:41,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 18:35:41,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 18:35:41,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:41" (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 18:35:41,594 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread18 given in one single declaration [2020-10-06 18:35:41,594 INFO L130 BoogieDeclarations]: Found specification of procedure thread18 [2020-10-06 18:35:41,596 INFO L138 BoogieDeclarations]: Found implementation of procedure thread18 [2020-10-06 18:35:41,596 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread17 given in one single declaration [2020-10-06 18:35:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure thread17 [2020-10-06 18:35:41,597 INFO L138 BoogieDeclarations]: Found implementation of procedure thread17 [2020-10-06 18:35:41,597 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread19 given in one single declaration [2020-10-06 18:35:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure thread19 [2020-10-06 18:35:41,597 INFO L138 BoogieDeclarations]: Found implementation of procedure thread19 [2020-10-06 18:35:41,598 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2020-10-06 18:35:41,598 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-06 18:35:41,598 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-06 18:35:41,599 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2020-10-06 18:35:41,599 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-06 18:35:41,599 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-06 18:35:41,599 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2020-10-06 18:35:41,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2020-10-06 18:35:41,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2020-10-06 18:35:41,600 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2020-10-06 18:35:41,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2020-10-06 18:35:41,601 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2020-10-06 18:35:41,601 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2020-10-06 18:35:41,601 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2020-10-06 18:35:41,602 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2020-10-06 18:35:41,609 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2020-10-06 18:35:41,610 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2020-10-06 18:35:41,610 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2020-10-06 18:35:41,611 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2020-10-06 18:35:41,611 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2020-10-06 18:35:41,611 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2020-10-06 18:35:41,612 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2020-10-06 18:35:41,612 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2020-10-06 18:35:41,612 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2020-10-06 18:35:41,613 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread9 given in one single declaration [2020-10-06 18:35:41,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread9 [2020-10-06 18:35:41,614 INFO L138 BoogieDeclarations]: Found implementation of procedure thread9 [2020-10-06 18:35:41,614 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread14 given in one single declaration [2020-10-06 18:35:41,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread14 [2020-10-06 18:35:41,615 INFO L138 BoogieDeclarations]: Found implementation of procedure thread14 [2020-10-06 18:35:41,615 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread13 given in one single declaration [2020-10-06 18:35:41,615 INFO L130 BoogieDeclarations]: Found specification of procedure thread13 [2020-10-06 18:35:41,615 INFO L138 BoogieDeclarations]: Found implementation of procedure thread13 [2020-10-06 18:35:41,615 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2020-10-06 18:35:41,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 18:35:41,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 18:35:41,616 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread16 given in one single declaration [2020-10-06 18:35:41,616 INFO L130 BoogieDeclarations]: Found specification of procedure thread16 [2020-10-06 18:35:41,616 INFO L138 BoogieDeclarations]: Found implementation of procedure thread16 [2020-10-06 18:35:41,617 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread15 given in one single declaration [2020-10-06 18:35:41,617 INFO L130 BoogieDeclarations]: Found specification of procedure thread15 [2020-10-06 18:35:41,617 INFO L138 BoogieDeclarations]: Found implementation of procedure thread15 [2020-10-06 18:35:41,618 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread21 given in one single declaration [2020-10-06 18:35:41,618 INFO L130 BoogieDeclarations]: Found specification of procedure thread21 [2020-10-06 18:35:41,618 INFO L138 BoogieDeclarations]: Found implementation of procedure thread21 [2020-10-06 18:35:41,618 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread10 given in one single declaration [2020-10-06 18:35:41,619 INFO L130 BoogieDeclarations]: Found specification of procedure thread10 [2020-10-06 18:35:41,619 INFO L138 BoogieDeclarations]: Found implementation of procedure thread10 [2020-10-06 18:35:41,619 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread20 given in one single declaration [2020-10-06 18:35:41,619 INFO L130 BoogieDeclarations]: Found specification of procedure thread20 [2020-10-06 18:35:41,620 INFO L138 BoogieDeclarations]: Found implementation of procedure thread20 [2020-10-06 18:35:41,620 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread12 given in one single declaration [2020-10-06 18:35:41,620 INFO L130 BoogieDeclarations]: Found specification of procedure thread12 [2020-10-06 18:35:41,621 INFO L138 BoogieDeclarations]: Found implementation of procedure thread12 [2020-10-06 18:35:41,621 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread11 given in one single declaration [2020-10-06 18:35:41,621 INFO L130 BoogieDeclarations]: Found specification of procedure thread11 [2020-10-06 18:35:41,621 INFO L138 BoogieDeclarations]: Found implementation of procedure thread11 [2020-10-06 18:35:41,623 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 18:35:41,924 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 18:35:41,924 INFO L298 CfgBuilder]: Removed 21 assume(true) statements. [2020-10-06 18:35:41,926 INFO L202 PluginConnector]: Adding new model example2_N=21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:35:41 BoogieIcfgContainer [2020-10-06 18:35:41,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 18:35:41,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 18:35:41,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 18:35:41,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 18:35:41,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:35:41" (1/2) ... [2020-10-06 18:35:41,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abcf67f and model type example2_N=21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 06:35:41, skipping insertion in model container [2020-10-06 18:35:41,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example2_N=21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:35:41" (2/2) ... [2020-10-06 18:35:41,935 INFO L111 eAbstractionObserver]: Analyzing ICFG example2_N=21.bpl [2020-10-06 18:35:41,948 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 18:35:41,948 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-06 18:35:41,955 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 18:35:41,961 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 18:35:42,495 INFO L253 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2020-10-06 18:35:42,518 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-06 18:35:42,518 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-06 18:35:42,518 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-06 18:35:42,518 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-06 18:35:42,519 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 18:35:42,519 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-06 18:35:42,519 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 18:35:42,519 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 18:35:42,538 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-06 18:35:42,541 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 173 places, 130 transitions, 428 flow [2020-10-06 18:35:42,544 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 173 places, 130 transitions, 428 flow [2020-10-06 18:35:42,546 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 173 places, 130 transitions, 428 flow [2020-10-06 18:35:42,638 INFO L129 PetriNetUnfolder]: 21/109 cut-off events. [2020-10-06 18:35:42,638 INFO L130 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2020-10-06 18:35:42,657 INFO L80 FinitePrefix]: Finished finitePrefix Result has 194 conditions, 109 events. 21/109 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 145 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 123. Up to 2 conditions per place. [2020-10-06 18:35:42,668 INFO L117 LiptonReduction]: Number of co-enabled transitions 6300 [2020-10-06 18:35:43,409 INFO L132 LiptonReduction]: Checked pairs total: 9860 [2020-10-06 18:35:43,409 INFO L134 LiptonReduction]: Total number of compositions: 2 [2020-10-06 18:35:43,417 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 171 places, 128 transitions, 424 flow Received shutdown request... [2020-10-06 18:49:36,077 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-06 18:49:36,080 WARN L235 ceAbstractionStarter]: Timeout [2020-10-06 18:49:36,080 INFO L202 PluginConnector]: Adding new model example2_N=21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 06:49:36 BasicIcfg [2020-10-06 18:49:36,080 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 18:49:36,084 INFO L168 Benchmark]: Toolchain (without parser) took 834651.64 ms. Allocated memory was 249.0 MB in the beginning and 5.8 GB in the end (delta: 5.6 GB). Free memory was 225.4 MB in the beginning and 779.1 MB in the end (delta: -553.7 MB). Peak memory consumption was 5.9 GB. Max. memory is 14.2 GB. [2020-10-06 18:49:36,084 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.40 ms. Allocated memory is still 249.0 MB. Free memory is still 226.3 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-06 18:49:36,086 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.00 ms. Allocated memory is still 249.0 MB. Free memory was 224.6 MB in the beginning and 222.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-06 18:49:36,091 INFO L168 Benchmark]: Boogie Preprocessor took 33.87 ms. Allocated memory is still 249.0 MB. Free memory was 222.9 MB in the beginning and 221.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-06 18:49:36,094 INFO L168 Benchmark]: RCFGBuilder took 422.39 ms. Allocated memory is still 249.0 MB. Free memory was 221.2 MB in the beginning and 197.6 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 14.2 GB. [2020-10-06 18:49:36,097 INFO L168 Benchmark]: TraceAbstraction took 834152.87 ms. Allocated memory was 249.0 MB in the beginning and 5.8 GB in the end (delta: 5.6 GB). Free memory was 196.8 MB in the beginning and 779.1 MB in the end (delta: -582.3 MB). Peak memory consumption was 5.8 GB. Max. memory is 14.2 GB. [2020-10-06 18:49:36,106 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 1.40 ms. Allocated memory is still 249.0 MB. Free memory is still 226.3 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 38.00 ms. Allocated memory is still 249.0 MB. Free memory was 224.6 MB in the beginning and 222.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 33.87 ms. Allocated memory is still 249.0 MB. Free memory was 222.9 MB in the beginning and 221.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 422.39 ms. Allocated memory is still 249.0 MB. Free memory was 221.2 MB in the beginning and 197.6 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 14.2 GB. * TraceAbstraction took 834152.87 ms. Allocated memory was 249.0 MB in the beginning and 5.8 GB in the end (delta: 5.6 GB). Free memory was 196.8 MB in the beginning and 779.1 MB in the end (delta: -582.3 MB). Peak memory consumption was 5.8 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2160 VarBasedMoverChecksPositive, 140 VarBasedMoverChecksNegative, 81 SemBasedMoverChecksPositive, 59 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 2216 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.8s, 173 PlacesBefore, 171 PlacesAfterwards, 130 TransitionsBefore, 128 TransitionsAfterwards, 6300 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 9860 MoverChecksTotal - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 52). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 171 places, 128 transitions, 424 flow. Already constructed 730380 states. Currently 365193 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 833.5s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 833.5s, 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