/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-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-le-max.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 07:38:56,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 07:38:56,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 07:38:56,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 07:38:56,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 07:38:56,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 07:38:56,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 07:38:56,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 07:38:56,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 07:38:56,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 07:38:56,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 07:38:56,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 07:38:56,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 07:38:56,243 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 07:38:56,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 07:38:56,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 07:38:56,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 07:38:56,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 07:38:56,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 07:38:56,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 07:38:56,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 07:38:56,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 07:38:56,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 07:38:56,279 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 07:38:56,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 07:38:56,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-29 07:38:56,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-29 07:38:56,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-29 07:38:56,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-29 07:38:56,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-29 07:38:56,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-29 07:38:56,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-29 07:38:56,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-29 07:38:56,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 07:38:56,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 07:38:56,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 07:38:56,307 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-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 07:38:56,363 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 07:38:56,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 07:38:56,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 07:38:56,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 07:38:56,369 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 07:38:56,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 07:38:56,370 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 07:38:56,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 07:38:56,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 07:38:56,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 07:38:56,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 07:38:56,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 07:38:56,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 07:38:56,373 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 07:38:56,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 07:38:56,373 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 07:38:56,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 07:38:56,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 07:38:56,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 07:38:56,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 07:38:56,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 07:38:56,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 07:38:56,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 07:38:56,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 07:38:56,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 07:38:56,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 07:38:56,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 07:38:56,376 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 07:38:56,376 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 07:38:56,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 07:38:56,377 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 07:38:56,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 07:38:56,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 07:38:56,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 07:38:56,856 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-29 07:38:56,858 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-29 07:38:56,859 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-le-max.wvr.bpl [2021-04-29 07:38:56,859 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-le-max.wvr.bpl' [2021-04-29 07:38:56,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 07:38:56,968 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-29 07:38:56,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 07:38:56,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 07:38:56,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 07:38:56,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:38:56" (1/1) ... [2021-04-29 07:38:56,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:38:56" (1/1) ... [2021-04-29 07:38:57,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 07:38:57,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 07:38:57,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 07:38:57,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 07:38:57,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:38:56" (1/1) ... [2021-04-29 07:38:57,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:38:56" (1/1) ... [2021-04-29 07:38:57,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:38:56" (1/1) ... [2021-04-29 07:38:57,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:38:56" (1/1) ... [2021-04-29 07:38:57,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:38:56" (1/1) ... [2021-04-29 07:38:57,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:38:56" (1/1) ... [2021-04-29 07:38:57,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:38:56" (1/1) ... [2021-04-29 07:38:57,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 07:38:57,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 07:38:57,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 07:38:57,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 07:38:57,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:38:56" (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 [2021-04-29 07:38:57,172 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-04-29 07:38:57,172 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-29 07:38:57,172 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-29 07:38:57,173 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-04-29 07:38:57,173 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-29 07:38:57,173 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-29 07:38:57,173 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-29 07:38:57,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 07:38:57,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 07:38:57,174 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-04-29 07:38:57,174 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-04-29 07:38:57,174 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-04-29 07:38:57,176 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 07:38:57,368 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 07:38:57,368 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-29 07:38:57,370 INFO L202 PluginConnector]: Adding new model min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 07:38:57 BoogieIcfgContainer [2021-04-29 07:38:57,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 07:38:57,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 07:38:57,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 07:38:57,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 07:38:57,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 07:38:56" (1/2) ... [2021-04-29 07:38:57,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f102d65 and model type min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 07:38:57, skipping insertion in model container [2021-04-29 07:38:57,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 07:38:57" (2/2) ... [2021-04-29 07:38:57,379 INFO L111 eAbstractionObserver]: Analyzing ICFG min-le-max.wvr.bpl [2021-04-29 07:38:57,386 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 07:38:57,390 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 07:38:57,391 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 07:38:57,438 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-04-29 07:38:57,462 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-04-29 07:38:57,490 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 07:38:57,490 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 07:38:57,490 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 07:38:57,491 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 07:38:57,491 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 07:38:57,491 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 07:38:57,491 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 07:38:57,491 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 07:38:57,503 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 26 transitions, 76 flow [2021-04-29 07:38:57,532 INFO L129 PetriNetUnfolder]: 2/23 cut-off events. [2021-04-29 07:38:57,532 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-29 07:38:57,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 23 events. 2/23 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 41 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2021-04-29 07:38:57,537 INFO L82 GeneralOperation]: Start removeDead. Operand has 34 places, 26 transitions, 76 flow [2021-04-29 07:38:57,542 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 29 places, 21 transitions, 60 flow [2021-04-29 07:38:57,544 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:38:57,561 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 21 transitions, 60 flow [2021-04-29 07:38:57,565 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 21 transitions, 60 flow [2021-04-29 07:38:57,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 21 transitions, 60 flow [2021-04-29 07:38:57,578 INFO L129 PetriNetUnfolder]: 2/21 cut-off events. [2021-04-29 07:38:57,578 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-29 07:38:57,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 21 events. 2/21 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 36 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2021-04-29 07:38:57,582 INFO L146 LiptonReduction]: Number of co-enabled transitions 138 [2021-04-29 07:38:58,034 INFO L158 LiptonReduction]: Checked pairs total: 114 [2021-04-29 07:38:58,034 INFO L160 LiptonReduction]: Total number of compositions: 10 [2021-04-29 07:38:58,037 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 495 [2021-04-29 07:38:58,057 INFO L129 PetriNetUnfolder]: 2/19 cut-off events. [2021-04-29 07:38:58,057 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-29 07:38:58,060 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:38:58,061 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:38:58,061 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:38:58,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:38:58,068 INFO L82 PathProgramCache]: Analyzing trace with hash -5000994, now seen corresponding path program 1 times [2021-04-29 07:38:58,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:38:58,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41646297] [2021-04-29 07:38:58,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:38:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:38:58,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:38:58,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:38:58,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:38:58,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41646297] [2021-04-29 07:38:58,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 07:38:58,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 07:38:58,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256961546] [2021-04-29 07:38:58,266 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 07:38:58,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:38:58,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 07:38:58,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 07:38:58,286 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 36 [2021-04-29 07:38:58,288 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 21 transitions, 60 flow. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:38:58,288 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:38:58,288 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 36 [2021-04-29 07:38:58,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:38:58,386 INFO L129 PetriNetUnfolder]: 49/111 cut-off events. [2021-04-29 07:38:58,386 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-04-29 07:38:58,388 INFO L84 FinitePrefix]: Finished finitePrefix Result has 209 conditions, 111 events. 49/111 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 386 event pairs, 2 based on Foata normal form. 2/58 useless extension candidates. Maximal degree in co-relation 183. Up to 49 conditions per place. [2021-04-29 07:38:58,390 INFO L132 encePairwiseOnDemand]: 27/36 looper letters, 5 selfloop transitions, 3 changer transitions 15/35 dead transitions. [2021-04-29 07:38:58,391 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 35 transitions, 134 flow [2021-04-29 07:38:58,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 07:38:58,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 07:38:58,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 137 transitions. [2021-04-29 07:38:58,406 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7611111111111111 [2021-04-29 07:38:58,407 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 137 transitions. [2021-04-29 07:38:58,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 137 transitions. [2021-04-29 07:38:58,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:38:58,412 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 137 transitions. [2021-04-29 07:38:58,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 27.4) internal successors, (137), 5 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:38:58,422 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 36.0) internal successors, (216), 6 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:38:58,422 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 36.0) internal successors, (216), 6 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:38:58,425 INFO L185 Difference]: Start difference. First operand has 29 places, 21 transitions, 60 flow. Second operand 5 states and 137 transitions. [2021-04-29 07:38:58,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 35 transitions, 134 flow [2021-04-29 07:38:58,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 35 transitions, 122 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-04-29 07:38:58,433 INFO L241 Difference]: Finished difference. Result has 30 places, 20 transitions, 71 flow [2021-04-29 07:38:58,435 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=71, PETRI_PLACES=30, PETRI_TRANSITIONS=20} [2021-04-29 07:38:58,436 INFO L343 CegarLoopForPetriNet]: 29 programPoint places, 1 predicate places. [2021-04-29 07:38:58,437 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:38:58,437 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 20 transitions, 71 flow [2021-04-29 07:38:58,437 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 20 transitions, 71 flow [2021-04-29 07:38:58,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 25 places, 20 transitions, 71 flow [2021-04-29 07:38:58,453 INFO L129 PetriNetUnfolder]: 11/37 cut-off events. [2021-04-29 07:38:58,453 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-04-29 07:38:58,454 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 37 events. 11/37 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 97 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 64. Up to 15 conditions per place. [2021-04-29 07:38:58,455 INFO L146 LiptonReduction]: Number of co-enabled transitions 114 [2021-04-29 07:38:58,459 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:38:58,460 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:38:58,460 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-04-29 07:38:58,464 INFO L480 AbstractCegarLoop]: Abstraction has has 25 places, 20 transitions, 71 flow [2021-04-29 07:38:58,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:38:58,465 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 07:38:58,465 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 07:38:58,467 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 07:38:58,467 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 07:38:58,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 07:38:58,468 INFO L82 PathProgramCache]: Analyzing trace with hash -316546807, now seen corresponding path program 1 times [2021-04-29 07:38:58,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 07:38:58,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274470456] [2021-04-29 07:38:58,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 07:38:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:38:58,587 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.0 percent of original size [2021-04-29 07:38:58,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 07:38:58,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:38:58,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:38:58,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274470456] [2021-04-29 07:38:58,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496830340] [2021-04-29 07:38:58,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-29 07:38:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 07:38:58,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2021-04-29 07:38:58,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-29 07:38:58,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:38:58,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:38:58,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:38:58,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-29 07:38:58,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 07:38:58,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 07:38:58,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 07:38:58,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:38:58,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:38:58,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:38:58,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:38:58,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:38:58,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:38:58,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:38:58,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:38:58,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:38:58,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 07:38:58,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 07:38:58,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 07:38:58,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-29 07:38:58,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2021-04-29 07:38:58,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090990850] [2021-04-29 07:38:58,799 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 07:38:58,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 07:38:58,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 07:38:58,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-04-29 07:38:58,802 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 36 [2021-04-29 07:38:58,802 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 20 transitions, 71 flow. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:38:58,802 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 07:38:58,802 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 36 [2021-04-29 07:38:58,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 07:38:59,058 INFO L129 PetriNetUnfolder]: 151/277 cut-off events. [2021-04-29 07:38:59,058 INFO L130 PetriNetUnfolder]: For 102/126 co-relation queries the response was YES. [2021-04-29 07:38:59,059 INFO L84 FinitePrefix]: Finished finitePrefix Result has 726 conditions, 277 events. 151/277 cut-off events. For 102/126 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 1273 event pairs, 7 based on Foata normal form. 7/158 useless extension candidates. Maximal degree in co-relation 720. Up to 121 conditions per place. [2021-04-29 07:38:59,060 INFO L132 encePairwiseOnDemand]: 24/36 looper letters, 0 selfloop transitions, 0 changer transitions 63/63 dead transitions. [2021-04-29 07:38:59,061 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 63 transitions, 313 flow [2021-04-29 07:38:59,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 07:38:59,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 07:38:59,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 205 transitions. [2021-04-29 07:38:59,065 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5694444444444444 [2021-04-29 07:38:59,065 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 205 transitions. [2021-04-29 07:38:59,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 205 transitions. [2021-04-29 07:38:59,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 07:38:59,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 205 transitions. [2021-04-29 07:38:59,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 20.5) internal successors, (205), 10 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:38:59,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 36.0) internal successors, (396), 11 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:38:59,071 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 36.0) internal successors, (396), 11 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:38:59,072 INFO L185 Difference]: Start difference. First operand has 25 places, 20 transitions, 71 flow. Second operand 10 states and 205 transitions. [2021-04-29 07:38:59,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 63 transitions, 313 flow [2021-04-29 07:38:59,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 63 transitions, 288 flow, removed 10 selfloop flow, removed 2 redundant places. [2021-04-29 07:38:59,081 INFO L241 Difference]: Finished difference. Result has 31 places, 0 transitions, 0 flow [2021-04-29 07:38:59,081 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=31, PETRI_TRANSITIONS=0} [2021-04-29 07:38:59,082 INFO L343 CegarLoopForPetriNet]: 29 programPoint places, 2 predicate places. [2021-04-29 07:38:59,082 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 07:38:59,083 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 0 transitions, 0 flow [2021-04-29 07:38:59,083 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 0 transitions, 0 flow [2021-04-29 07:38:59,083 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-04-29 07:38:59,084 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-04-29 07:38:59,084 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 07:38:59,084 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-04-29 07:38:59,084 INFO L146 LiptonReduction]: Number of co-enabled transitions 0 [2021-04-29 07:38:59,084 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 07:38:59,085 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 07:38:59,085 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3 [2021-04-29 07:38:59,086 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-04-29 07:38:59,087 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 07:38:59,301 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-04-29 07:38:59,308 INFO L202 PluginConnector]: Adding new model min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 07:38:59 BasicIcfg [2021-04-29 07:38:59,308 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 07:38:59,309 INFO L168 Benchmark]: Toolchain (without parser) took 2415.19 ms. Allocated memory is still 310.4 MB. Free memory was 279.5 MB in the beginning and 195.5 MB in the end (delta: 84.0 MB). Peak memory consumption was 84.8 MB. Max. memory is 16.0 GB. [2021-04-29 07:38:59,310 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 310.4 MB. Free memory is still 280.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 07:38:59,311 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.44 ms. Allocated memory is still 310.4 MB. Free memory was 293.6 MB in the beginning and 292.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 07:38:59,311 INFO L168 Benchmark]: Boogie Preprocessor took 26.34 ms. Allocated memory is still 310.4 MB. Free memory was 292.1 MB in the beginning and 291.2 MB in the end (delta: 944.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 07:38:59,312 INFO L168 Benchmark]: RCFGBuilder took 333.39 ms. Allocated memory is still 310.4 MB. Free memory was 291.0 MB in the beginning and 287.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. [2021-04-29 07:38:59,314 INFO L168 Benchmark]: TraceAbstraction took 1935.89 ms. Allocated memory is still 310.4 MB. Free memory was 286.6 MB in the beginning and 195.5 MB in the end (delta: 91.1 MB). Peak memory consumption was 92.8 MB. Max. memory is 16.0 GB. [2021-04-29 07:38:59,317 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 0.23 ms. Allocated memory is still 310.4 MB. Free memory is still 280.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 38.44 ms. Allocated memory is still 310.4 MB. Free memory was 293.6 MB in the beginning and 292.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 26.34 ms. Allocated memory is still 310.4 MB. Free memory was 292.1 MB in the beginning and 291.2 MB in the end (delta: 944.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 333.39 ms. Allocated memory is still 310.4 MB. Free memory was 291.0 MB in the beginning and 287.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1935.89 ms. Allocated memory is still 310.4 MB. Free memory was 286.6 MB in the beginning and 195.5 MB in the end (delta: 91.1 MB). Peak memory consumption was 92.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 468.9ms, 29 PlacesBefore, 29 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 138 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 9 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 10 TotalNumberOfCompositions, 114 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 101, positive: 98, positive conditional: 98, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 76, positive: 73, positive conditional: 0, positive unconditional: 73, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 76, positive: 73, positive conditional: 0, positive unconditional: 73, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 76, positive: 73, positive conditional: 0, positive unconditional: 73, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 101, positive: 25, positive conditional: 25, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 76, unknown conditional: 76, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 73, Positive conditional cache size: 73, Positive unconditional cache size: 0, Negative cache size: 3, Negative conditional cache size: 3, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.3ms, 30 PlacesBefore, 25 PlacesAfterwards, 20 TransitionsBefore, 20 TransitionsAfterwards, 114 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 73, Positive conditional cache size: 73, Positive unconditional cache size: 0, Negative cache size: 3, Negative conditional cache size: 3, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.5ms, 31 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 73, Positive conditional cache size: 73, Positive unconditional cache size: 0, Negative cache size: 3, Negative conditional cache size: 3, Negative unconditional cache size: 0 - PositiveResult [Line: 52]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 9.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 1818.5ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 440.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 556.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 6 SDtfs, 52 SDslu, 6 SDs, 0 SdLazy, 141 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 122.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 133.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=1, InterpolantAutomatonStates: 15, 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: TRACE_CHECK: 13.4ms SsaConstructionTime, 81.3ms SatisfiabilityAnalysisTime, 300.5ms InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 92 SizeOfPredicates, 0 NumberOfNonLiveVariables, 44 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...