/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_17.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 14:25:26,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 14:25:26,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 14:25:26,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 14:25:26,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 14:25:26,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 14:25:26,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 14:25:26,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 14:25:26,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 14:25:26,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 14:25:26,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 14:25:26,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 14:25:26,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 14:25:26,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 14:25:26,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 14:25:26,614 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 14:25:26,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 14:25:26,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 14:25:26,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 14:25:26,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 14:25:26,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 14:25:26,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 14:25:26,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 14:25:26,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 14:25:26,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 14:25:26,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 14:25:26,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 14:25:26,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 14:25:26,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 14:25:26,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-11 14:25:26,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 14:25:26,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 14:25:26,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 14:25:26,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 14:25:26,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 14:25:26,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 14:25:26,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 14:25:26,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 14:25:26,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 14:25:26,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 14:25:26,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 14:25:26,639 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf [2021-03-11 14:25:26,666 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 14:25:26,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 14:25:26,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 14:25:26,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 14:25:26,669 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 14:25:26,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 14:25:26,669 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 14:25:26,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 14:25:26,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 14:25:26,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 14:25:26,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 14:25:26,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 14:25:26,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 14:25:26,671 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 14:25:26,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 14:25:26,671 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 14:25:26,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 14:25:26,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 14:25:26,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 14:25:26,671 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 14:25:26,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 14:25:26,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 14:25:26,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 14:25:26,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 14:25:26,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 14:25:26,672 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 14:25:26,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 14:25:26,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-11 14:25:26,672 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 14:25:26,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 14:25:26,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 14:25:26,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 14:25:26,897 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-11 14:25:26,898 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-11 14:25:26,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_17.bpl [2021-03-11 14:25:26,898 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_17.bpl' [2021-03-11 14:25:26,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 14:25:26,935 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-11 14:25:26,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 14:25:26,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 14:25:26,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 14:25:26,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:25:26" (1/1) ... [2021-03-11 14:25:26,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:25:26" (1/1) ... [2021-03-11 14:25:26,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 14:25:26,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 14:25:26,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 14:25:26,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 14:25:26,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:25:26" (1/1) ... [2021-03-11 14:25:26,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:25:26" (1/1) ... [2021-03-11 14:25:26,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:25:26" (1/1) ... [2021-03-11 14:25:26,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:25:26" (1/1) ... [2021-03-11 14:25:26,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:25:26" (1/1) ... [2021-03-11 14:25:26,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:25:26" (1/1) ... [2021-03-11 14:25:26,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:25:26" (1/1) ... [2021-03-11 14:25:26,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 14:25:26,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 14:25:26,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 14:25:26,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 14:25:26,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:25:26" (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 [2021-03-11 14:25:27,023 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_16 given in one single declaration [2021-03-11 14:25:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure set_16 [2021-03-11 14:25:27,023 INFO L138 BoogieDeclarations]: Found implementation of procedure set_16 [2021-03-11 14:25:27,024 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_14 given in one single declaration [2021-03-11 14:25:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure set_14 [2021-03-11 14:25:27,025 INFO L138 BoogieDeclarations]: Found implementation of procedure set_14 [2021-03-11 14:25:27,025 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_15 given in one single declaration [2021-03-11 14:25:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure set_15 [2021-03-11 14:25:27,025 INFO L138 BoogieDeclarations]: Found implementation of procedure set_15 [2021-03-11 14:25:27,025 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-03-11 14:25:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-03-11 14:25:27,025 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-03-11 14:25:27,026 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-03-11 14:25:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-03-11 14:25:27,026 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-03-11 14:25:27,026 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-03-11 14:25:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-03-11 14:25:27,026 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-03-11 14:25:27,026 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-03-11 14:25:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-03-11 14:25:27,026 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-03-11 14:25:27,026 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-03-11 14:25:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-03-11 14:25:27,027 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-03-11 14:25:27,027 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2021-03-11 14:25:27,038 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2021-03-11 14:25:27,038 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2021-03-11 14:25:27,038 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-11 14:25:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 14:25:27,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 14:25:27,039 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2021-03-11 14:25:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2021-03-11 14:25:27,039 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2021-03-11 14:25:27,039 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2021-03-11 14:25:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2021-03-11 14:25:27,039 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2021-03-11 14:25:27,039 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2021-03-11 14:25:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2021-03-11 14:25:27,040 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2021-03-11 14:25:27,040 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2021-03-11 14:25:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2021-03-11 14:25:27,040 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2021-03-11 14:25:27,040 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2021-03-11 14:25:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2021-03-11 14:25:27,040 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2021-03-11 14:25:27,040 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2021-03-11 14:25:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2021-03-11 14:25:27,040 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2021-03-11 14:25:27,040 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2021-03-11 14:25:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2021-03-11 14:25:27,041 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2021-03-11 14:25:27,041 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2021-03-11 14:25:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2021-03-11 14:25:27,041 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2021-03-11 14:25:27,041 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 14:25:27,237 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 14:25:27,238 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-11 14:25:27,239 INFO L202 PluginConnector]: Adding new model example_17.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:25:27 BoogieIcfgContainer [2021-03-11 14:25:27,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 14:25:27,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 14:25:27,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 14:25:27,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 14:25:27,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_17.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.03 02:25:26" (1/2) ... [2021-03-11 14:25:27,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c242bce and model type example_17.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 02:25:27, skipping insertion in model container [2021-03-11 14:25:27,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_17.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:25:27" (2/2) ... [2021-03-11 14:25:27,243 INFO L111 eAbstractionObserver]: Analyzing ICFG example_17.bpl [2021-03-11 14:25:27,246 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-11 14:25:27,247 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 14:25:27,249 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-11 14:25:27,249 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 14:25:27,455 INFO L149 ThreadInstanceAdder]: Constructed 289 joinOtherThreadTransitions. [2021-03-11 14:25:27,465 INFO L253 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2021-03-11 14:25:27,477 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 14:25:27,477 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-11 14:25:27,477 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 14:25:27,477 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 14:25:27,477 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 14:25:27,477 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 14:25:27,477 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 14:25:27,478 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 14:25:27,490 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 14:25:27,497 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 360 transitions, 1672 flow [2021-03-11 14:25:27,498 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 140 places, 360 transitions, 1672 flow [2021-03-11 14:25:27,499 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 140 places, 360 transitions, 1672 flow [2021-03-11 14:27:09,588 INFO L129 PetriNetUnfolder]: 983041/1114166 cut-off events. [2021-03-11 14:27:09,589 INFO L130 PetriNetUnfolder]: For 1114112/1114112 co-relation queries the response was YES. [2021-03-11 14:27:19,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2228330 conditions, 1114166 events. 983041/1114166 cut-off events. For 1114112/1114112 co-relation queries the response was YES. Maximal size of possible extension queue 26365. Compared 4676858 event pairs, 0 based on Foata normal form. 0/1114165 useless extension candidates. Maximal degree in co-relation 1048658. Up to 218790 conditions per place. [2021-03-11 14:27:48,981 INFO L116 LiptonReduction]: Number of co-enabled transitions 19040 [2021-03-11 14:27:49,351 INFO L131 LiptonReduction]: Checked pairs total: 136459 [2021-03-11 14:27:49,352 INFO L133 LiptonReduction]: Total number of compositions: 18 [2021-03-11 14:27:49,359 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 122 places, 342 transitions, 1636 flow Received shutdown request... [2021-03-11 14:38:36,340 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-11 14:38:36,342 WARN L224 ceAbstractionStarter]: Timeout [2021-03-11 14:38:36,342 INFO L202 PluginConnector]: Adding new model example_17.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 02:38:36 BasicIcfg [2021-03-11 14:38:36,342 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 14:38:36,343 INFO L168 Benchmark]: Toolchain (without parser) took 789410.13 ms. Allocated memory was 255.9 MB in the beginning and 15.7 GB in the end (delta: 15.4 GB). Free memory was 236.2 MB in the beginning and 12.0 GB in the end (delta: -11.8 GB). Peak memory consumption was 15.2 GB. Max. memory is 16.0 GB. [2021-03-11 14:38:36,344 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory is still 237.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 14:38:36,346 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.52 ms. Allocated memory is still 255.9 MB. Free memory was 235.7 MB in the beginning and 234.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 14:38:36,348 INFO L168 Benchmark]: Boogie Preprocessor took 15.77 ms. Allocated memory is still 255.9 MB. Free memory was 234.2 MB in the beginning and 233.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 14:38:36,348 INFO L168 Benchmark]: RCFGBuilder took 266.48 ms. Allocated memory is still 255.9 MB. Free memory was 233.0 MB in the beginning and 231.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.0 GB. [2021-03-11 14:38:36,350 INFO L168 Benchmark]: TraceAbstraction took 789102.11 ms. Allocated memory was 255.9 MB in the beginning and 15.7 GB in the end (delta: 15.4 GB). Free memory was 231.0 MB in the beginning and 12.0 GB in the end (delta: -11.8 GB). Peak memory consumption was 15.2 GB. Max. memory is 16.0 GB. [2021-03-11 14:38:36,352 INFO L339 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 0.09 ms. Allocated memory is still 255.9 MB. Free memory is still 237.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 19.52 ms. Allocated memory is still 255.9 MB. Free memory was 235.7 MB in the beginning and 234.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 15.77 ms. Allocated memory is still 255.9 MB. Free memory was 234.2 MB in the beginning and 233.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 266.48 ms. Allocated memory is still 255.9 MB. Free memory was 233.0 MB in the beginning and 231.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 789102.11 ms. Allocated memory was 255.9 MB in the beginning and 15.7 GB in the end (delta: 15.4 GB). Free memory was 231.0 MB in the beginning and 12.0 GB in the end (delta: -11.8 GB). Peak memory consumption was 15.2 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 141853.3ms, 140 PlacesBefore, 122 PlacesAfterwards, 360 TransitionsBefore, 342 TransitionsAfterwards, 19040 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 17 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 18 TotalNumberOfCompositions, 136459 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 136459, positive: 136459, positive conditional: 0, positive unconditional: 136459, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9952, positive: 9952, positive conditional: 0, positive unconditional: 9952, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9952, positive: 9952, positive conditional: 0, positive unconditional: 9952, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 136459, positive: 126507, positive conditional: 0, positive unconditional: 126507, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 9952, unknown conditional: 0, unknown unconditional: 9952] , Statistics on independence cache: Total cache size (in pairs): 4760, Positive cache size: 4760, Positive conditional cache size: 0, Positive unconditional cache size: 4760, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 47]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 47). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 122 places, 342 transitions, 1636 flow. Already constructed 587758 states. Currently 328878 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 18 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 788864.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 788862.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms 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