/usr/bin/java -Xmx8000000000 -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-NoLbe-OGIterative-CovSimpl.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/semi1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 09:24:53,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 09:24:53,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 09:24:53,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-13 09:24:53,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 09:24:53,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 09:24:53,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 09:24:53,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 09:24:53,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 09:24:53,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 09:24:53,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 09:24:53,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 09:24:53,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 09:24:53,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 09:24:53,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 09:24:53,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 09:24:53,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-13 09:24:53,272 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-NoLbe-OGIterative-CovSimpl.epf [2021-08-13 09:24:53,292 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 09:24:53,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 09:24:53,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 09:24:53,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 09:24:53,293 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 09:24:53,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 09:24:53,293 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 09:24:53,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 09:24:53,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 09:24:53,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 09:24:53,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 09:24:53,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 09:24:53,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 09:24:53,294 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 09:24:53,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 09:24:53,294 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 09:24:53,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 09:24:53,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 09:24:53,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 09:24:53,294 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 09:24:53,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 09:24:53,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 09:24:53,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 09:24:53,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 09:24:53,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 09:24:53,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 09:24:53,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 09:24:53,295 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 09:24:53,295 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 09:24:53,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 09:24:53,295 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 09:24:53,295 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-13 09:24:53,296 INFO L138 SettingsManager]: * Simplify away covered predicates in OwickiGries annotation=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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 09:24:53,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 09:24:53,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 09:24:53,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 09:24:53,515 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-13 09:24:53,516 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-13 09:24:53,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/semi1.wvr.bpl [2021-08-13 09:24:53,516 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/semi1.wvr.bpl' [2021-08-13 09:24:53,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 09:24:53,540 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-13 09:24:53,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 09:24:53,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 09:24:53,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 09:24:53,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "semi1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 09:24:53" (1/1) ... [2021-08-13 09:24:53,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "semi1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 09:24:53" (1/1) ... [2021-08-13 09:24:53,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 09:24:53,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 09:24:53,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 09:24:53,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 09:24:53,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "semi1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 09:24:53" (1/1) ... [2021-08-13 09:24:53,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "semi1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 09:24:53" (1/1) ... [2021-08-13 09:24:53,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "semi1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 09:24:53" (1/1) ... [2021-08-13 09:24:53,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "semi1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 09:24:53" (1/1) ... [2021-08-13 09:24:53,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "semi1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 09:24:53" (1/1) ... [2021-08-13 09:24:53,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "semi1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 09:24:53" (1/1) ... [2021-08-13 09:24:53,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "semi1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 09:24:53" (1/1) ... [2021-08-13 09:24:53,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 09:24:53,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 09:24:53,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 09:24:53,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 09:24:53,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "semi1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 09:24:53" (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 [2021-08-13 09:24:53,608 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-13 09:24:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-13 09:24:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-13 09:24:53,608 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-13 09:24:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-13 09:24:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-13 09:24:53,609 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-13 09:24:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 09:24:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 09:24:53,609 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 09:24:53,717 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 09:24:53,718 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-13 09:24:53,719 INFO L202 PluginConnector]: Adding new model semi1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 09:24:53 BoogieIcfgContainer [2021-08-13 09:24:53,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 09:24:53,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 09:24:53,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 09:24:53,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 09:24:53,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "semi1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 09:24:53" (1/2) ... [2021-08-13 09:24:53,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186e83f2 and model type semi1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 09:24:53, skipping insertion in model container [2021-08-13 09:24:53,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "semi1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 09:24:53" (2/2) ... [2021-08-13 09:24:53,728 INFO L111 eAbstractionObserver]: Analyzing ICFG semi1.wvr.bpl [2021-08-13 09:24:53,733 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 09:24:53,734 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-13 09:24:53,734 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 09:24:53,770 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-08-13 09:24:53,784 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-13 09:24:53,797 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 09:24:53,797 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 09:24:53,797 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 09:24:53,797 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 09:24:53,797 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 09:24:53,797 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 09:24:53,798 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 09:24:53,798 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 09:24:53,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 22 places, 15 transitions, 46 flow [2021-08-13 09:24:53,824 INFO L129 PetriNetUnfolder]: 0/13 cut-off events. [2021-08-13 09:24:53,824 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-08-13 09:24:53,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22 conditions, 13 events. 0/13 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/12 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-08-13 09:24:53,825 INFO L82 GeneralOperation]: Start removeDead. Operand has 22 places, 15 transitions, 46 flow [2021-08-13 09:24:53,828 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 18 places, 11 transitions, 34 flow [2021-08-13 09:24:53,830 INFO L129 PetriNetUnfolder]: 0/10 cut-off events. [2021-08-13 09:24:53,831 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-08-13 09:24:53,831 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:24:53,831 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:24:53,831 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 09:24:53,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:24:53,834 INFO L82 PathProgramCache]: Analyzing trace with hash 840438715, now seen corresponding path program 1 times [2021-08-13 09:24:53,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:24:53,839 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409338455] [2021-08-13 09:24:53,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:24:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:24:53,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:24:53,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:24:53,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:24:53,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 09:24:53,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:24:53,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:24:53,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:24:53,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:24:53,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:24:53,981 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:24:53,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409338455] [2021-08-13 09:24:53,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409338455] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:24:53,981 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:24:53,981 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 09:24:53,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439916751] [2021-08-13 09:24:53,987 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 09:24:53,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:24:54,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 09:24:54,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 09:24:54,012 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 15 [2021-08-13 09:24:54,013 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 11 transitions, 34 flow. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2021-08-13 09:24:54,013 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:24:54,014 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 15 [2021-08-13 09:24:54,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:24:54,047 INFO L129 PetriNetUnfolder]: 0/17 cut-off events. [2021-08-13 09:24:54,048 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-08-13 09:24:54,048 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 17 events. 0/17 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 22 event pairs, 0 based on Foata normal form. 1/18 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-08-13 09:24:54,049 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 2 selfloop transitions, 2 changer transitions 2/13 dead transitions. [2021-08-13 09:24:54,049 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 13 transitions, 50 flow [2021-08-13 09:24:54,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-13 09:24:54,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-13 09:24:54,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 47 transitions. [2021-08-13 09:24:54,056 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7833333333333333 [2021-08-13 09:24:54,056 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 47 transitions. [2021-08-13 09:24:54,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 47 transitions. [2021-08-13 09:24:54,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:24:54,058 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 47 transitions. [2021-08-13 09:24:54,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2021-08-13 09:24:54,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 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) [2021-08-13 09:24:54,061 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 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) [2021-08-13 09:24:54,062 INFO L348 CegarLoopForPetriNet]: 18 programPoint places, 3 predicate places. [2021-08-13 09:24:54,062 INFO L482 AbstractCegarLoop]: Abstraction has has 21 places, 13 transitions, 50 flow [2021-08-13 09:24:54,062 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2021-08-13 09:24:54,066 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 09:24:54,066 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 09:24:54,066 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 09:24:54,066 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 09:24:54,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 09:24:54,067 INFO L82 PathProgramCache]: Analyzing trace with hash 104585753, now seen corresponding path program 2 times [2021-08-13 09:24:54,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 09:24:54,068 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639317924] [2021-08-13 09:24:54,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 09:24:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 09:24:54,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:24:54,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:24:54,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:24:54,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 09:24:54,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:24:54,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 09:24:54,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 09:24:54,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 09:24:54,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 09:24:54,111 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 09:24:54,111 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639317924] [2021-08-13 09:24:54,112 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639317924] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 09:24:54,112 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 09:24:54,112 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 09:24:54,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111148203] [2021-08-13 09:24:54,114 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 09:24:54,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 09:24:54,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 09:24:54,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 09:24:54,125 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 15 [2021-08-13 09:24:54,125 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 13 transitions, 50 flow. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2021-08-13 09:24:54,126 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 09:24:54,126 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 15 [2021-08-13 09:24:54,126 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 09:24:54,146 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-08-13 09:24:54,146 INFO L130 PetriNetUnfolder]: For 8/10 co-relation queries the response was YES. [2021-08-13 09:24:54,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 15 events. 0/15 cut-off events. For 8/10 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 22 event pairs, 0 based on Foata normal form. 3/18 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-08-13 09:24:54,147 INFO L132 encePairwiseOnDemand]: 11/15 looper letters, 0 selfloop transitions, 0 changer transitions 11/11 dead transitions. [2021-08-13 09:24:54,147 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 11 transitions, 54 flow [2021-08-13 09:24:54,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-13 09:24:54,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-13 09:24:54,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 46 transitions. [2021-08-13 09:24:54,150 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7666666666666667 [2021-08-13 09:24:54,150 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 46 transitions. [2021-08-13 09:24:54,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 46 transitions. [2021-08-13 09:24:54,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 09:24:54,151 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 46 transitions. [2021-08-13 09:24:54,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2021-08-13 09:24:54,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 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) [2021-08-13 09:24:54,152 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 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) [2021-08-13 09:24:54,152 INFO L348 CegarLoopForPetriNet]: 18 programPoint places, 4 predicate places. [2021-08-13 09:24:54,152 INFO L482 AbstractCegarLoop]: Abstraction has has 22 places, 11 transitions, 54 flow [2021-08-13 09:24:54,153 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2021-08-13 09:24:54,153 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 09:24:54,286 INFO L742 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 2451 in 130401138ns [2021-08-13 09:24:54,289 INFO L113 kiGriesValidityCheck]: 17#(or (and (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) v_np16_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np0_1) v_np11_1 (not v_np1_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (= y x)) (and (not v_np17_1) v_np15_1 v_np16_1 (not v_np5_1) (not v_np7_1) v_np2_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np0_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (= y x)) (and (not v_np2_1) (not v_np17_1) v_np15_1 v_np16_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np0_1 (= y x)) (and (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) v_np16_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) v_np6_1 (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (= y x)) (and (not v_np2_1) (not v_np17_1) (= x (+ y 1)) v_np15_1 v_np16_1 (not v_np5_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np7_1 (not v_np0_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1)) (and (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) v_np16_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np0_1) v_np8_1 (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1))) [2021-08-13 09:24:54,290 INFO L113 kiGriesValidityCheck]: 7#(and (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) v_np16_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) v_np6_1 (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (= y x)) [2021-08-13 09:24:54,296 INFO L113 kiGriesValidityCheck]: 8#(or (and (not v_np16_1) (not v_np2_1) (= x (+ y 1)) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) v_np1_1 (not v_np3_1) (not v_np8_1) v_np7_1 (not v_np0_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) (not v_np2_1) (= x (+ y 1)) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) v_np3_1 (not v_np8_1) v_np7_1 (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np2_1) (not v_np17_1) (= x (+ y 1)) v_np15_1 v_np16_1 (not v_np5_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np7_1 (not v_np0_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1)) (and (not v_np16_1) (not v_np2_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np3_1) (not v_np8_1) v_np7_1 (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np4_1) (not v_np13_1) (not v_np10_1) (= y x))) [2021-08-13 09:24:54,304 INFO L113 kiGriesValidityCheck]: 12#(and (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) v_np16_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np0_1) v_np11_1 (not v_np1_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (= y x)) [2021-08-13 09:24:54,306 INFO L113 kiGriesValidityCheck]: 15#(or (and (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) v_np16_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np0_1) v_np11_1 (not v_np1_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (= y x)) (and (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 (= x (+ y 1)) v_np17_1 (not v_np5_1) (not v_np7_1) v_np3_1 v_np4_1 (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) v_np16_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) v_np6_1 (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (= y x)) (and (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) v_np16_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np0_1) v_np8_1 (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 (= x (+ y 1)) v_np17_1 (not v_np5_1) (not v_np7_1) v_np1_1 (not v_np3_1) v_np4_1 (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np11_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 v_np17_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) v_np4_1 (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) v_np12_1 (not v_np6_1) (not v_np13_1) (not v_np10_1) (= y x))) [2021-08-13 09:24:54,306 INFO L113 kiGriesValidityCheck]: 5#(or (and (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 (= x (+ y 1)) v_np17_1 (not v_np5_1) (not v_np7_1) v_np3_1 v_np4_1 (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 (= x (+ y 1)) v_np17_1 (not v_np5_1) (not v_np7_1) v_np1_1 (not v_np3_1) v_np4_1 (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np11_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 v_np17_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) v_np4_1 (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) v_np12_1 (not v_np6_1) (not v_np13_1) (not v_np10_1) (= y x))) [2021-08-13 09:24:54,311 INFO L113 kiGriesValidityCheck]: 2#(or (and (not v_np16_1) (not v_np2_1) (= x (+ y 1)) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) v_np1_1 (not v_np3_1) (not v_np8_1) v_np7_1 (not v_np0_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) (not v_np2_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) v_np1_1 (not v_np3_1) (not v_np8_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np0_1 (not v_np10_1) (= y x)) (and (not v_np16_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) v_np1_1 v_np2_1 (not v_np3_1) (not v_np8_1) (not v_np0_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (= y x)) (and (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 (= x (+ y 1)) v_np17_1 (not v_np5_1) (not v_np7_1) v_np1_1 (not v_np3_1) v_np4_1 (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np11_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np10_1))) [2021-08-13 09:24:54,313 INFO L113 kiGriesValidityCheck]: 13#(or (and (not v_np16_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) (= (+ x 1) y) v_np2_1 (not v_np3_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np4_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) (not v_np2_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) (= (+ x 1) y) (not v_np3_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np4_1) (not v_np13_1) v_np0_1 (not v_np10_1)) (and (not v_np16_1) (not v_np2_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np3_1) (not v_np8_1) v_np7_1 (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np4_1) (not v_np13_1) (not v_np10_1) (= y x)) (and (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 v_np17_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) v_np4_1 (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) v_np12_1 (not v_np6_1) (not v_np13_1) (not v_np10_1) (= y x))) [2021-08-13 09:24:54,317 INFO L113 kiGriesValidityCheck]: 1#(or (and (not v_np16_1) (not v_np2_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) (= (+ x 1) y) (not v_np3_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np4_1) (not v_np13_1) v_np0_1 (not v_np10_1)) (and (not v_np2_1) (not v_np17_1) v_np15_1 v_np16_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np0_1 (= y x)) (and (not v_np16_1) (not v_np2_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) v_np1_1 (not v_np3_1) (not v_np8_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np0_1 (not v_np10_1) (= y x)) (and (not v_np16_1) (not v_np2_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) v_np3_1 (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np0_1 (not v_np10_1) (= y x))) [2021-08-13 09:24:54,319 INFO L113 kiGriesValidityCheck]: 9#(and (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) v_np16_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np0_1) v_np8_1 (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) [2021-08-13 09:24:54,321 INFO L113 kiGriesValidityCheck]: 14#false [2021-08-13 09:24:54,322 INFO L113 kiGriesValidityCheck]: 4#(or (and (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 (= x (+ y 1)) v_np17_1 (not v_np5_1) (not v_np7_1) v_np3_1 v_np4_1 (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) v_np2_1 v_np3_1 (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (= y x)) (and (not v_np16_1) (not v_np2_1) (= x (+ y 1)) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) v_np3_1 (not v_np8_1) v_np7_1 (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) (not v_np2_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) v_np3_1 (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np0_1 (not v_np10_1) (= y x))) [2021-08-13 09:24:54,322 INFO L113 kiGriesValidityCheck]: 18#(or (and (not v_np16_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) (= (+ x 1) y) v_np2_1 (not v_np3_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np4_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) (not v_np2_1) (= x (+ y 1)) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) v_np1_1 (not v_np3_1) (not v_np8_1) v_np7_1 (not v_np0_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) (not v_np2_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) (= (+ x 1) y) (not v_np3_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np4_1) (not v_np13_1) v_np0_1 (not v_np10_1)) (and (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 (= x (+ y 1)) v_np17_1 (not v_np5_1) (not v_np7_1) v_np3_1 v_np4_1 (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) v_np2_1 v_np3_1 (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (= y x)) (and (not v_np16_1) (not v_np2_1) (= x (+ y 1)) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) v_np3_1 (not v_np8_1) v_np7_1 (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) (not v_np2_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) v_np1_1 (not v_np3_1) (not v_np8_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np0_1 (not v_np10_1) (= y x)) (and (not v_np16_1) (not v_np2_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) v_np3_1 (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np0_1 (not v_np10_1) (= y x)) (and (not v_np16_1) (not v_np2_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np3_1) (not v_np8_1) v_np7_1 (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np4_1) (not v_np13_1) (not v_np10_1) (= y x)) (and (not v_np16_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) v_np1_1 v_np2_1 (not v_np3_1) (not v_np8_1) (not v_np0_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (= y x)) (and (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 (= x (+ y 1)) v_np17_1 (not v_np5_1) (not v_np7_1) v_np1_1 (not v_np3_1) v_np4_1 (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np11_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 v_np17_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) v_np4_1 (not v_np9_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) v_np12_1 (not v_np6_1) (not v_np13_1) (not v_np10_1) (= y x))) [2021-08-13 09:24:54,322 INFO L113 kiGriesValidityCheck]: 10#(or (and (not v_np16_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) (= (+ x 1) y) v_np2_1 (not v_np3_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np4_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) (not v_np2_1) (= x (+ y 1)) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) v_np1_1 (not v_np3_1) (not v_np8_1) v_np7_1 (not v_np0_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) (not v_np2_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) (= (+ x 1) y) (not v_np3_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np4_1) (not v_np13_1) v_np0_1 (not v_np10_1)) (and (not v_np16_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) v_np2_1 v_np3_1 (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (= y x)) (and (not v_np16_1) (not v_np2_1) (= x (+ y 1)) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) v_np3_1 (not v_np8_1) v_np7_1 (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) (not v_np2_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) v_np1_1 (not v_np3_1) (not v_np8_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np0_1 (not v_np10_1) (= y x)) (and (not v_np16_1) (not v_np2_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) v_np3_1 (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np0_1 (not v_np10_1) (= y x)) (and (not v_np16_1) (not v_np2_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np3_1) (not v_np8_1) v_np7_1 (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np4_1) (not v_np13_1) (not v_np10_1) (= y x)) (and (not v_np16_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) v_np1_1 v_np2_1 (not v_np3_1) (not v_np8_1) (not v_np0_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (= y x))) [2021-08-13 09:24:54,325 INFO L113 kiGriesValidityCheck]: 3#(or (and (not v_np16_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) (= (+ x 1) y) v_np2_1 (not v_np3_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np4_1) (not v_np13_1) (not v_np10_1)) (and (not v_np17_1) v_np15_1 v_np16_1 (not v_np5_1) (not v_np7_1) v_np2_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np0_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (= y x)) (and (not v_np16_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) v_np2_1 v_np3_1 (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (= y x)) (and (not v_np16_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) v_np1_1 v_np2_1 (not v_np3_1) (not v_np8_1) (not v_np0_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (= y x))) [2021-08-13 09:24:54,325 INFO L113 kiGriesValidityCheck]: 16#(or (and (not v_np16_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) (= (+ x 1) y) v_np2_1 (not v_np3_1) (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np4_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) (not v_np2_1) (= x (+ y 1)) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) v_np1_1 (not v_np3_1) (not v_np8_1) v_np7_1 (not v_np0_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) (not v_np2_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) (= (+ x 1) y) (not v_np3_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np4_1) (not v_np13_1) v_np0_1 (not v_np10_1)) (and (not v_np17_1) v_np15_1 v_np16_1 (not v_np5_1) (not v_np7_1) v_np2_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np0_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (= y x)) (and (not v_np16_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) v_np2_1 v_np3_1 (not v_np8_1) (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (= y x)) (and (not v_np2_1) (not v_np17_1) v_np15_1 v_np16_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np0_1 (= y x)) (and (not v_np16_1) (not v_np2_1) (= x (+ y 1)) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) v_np3_1 (not v_np8_1) v_np7_1 (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) (not v_np2_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) v_np1_1 (not v_np3_1) (not v_np8_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np0_1 (not v_np10_1) (= y x)) (and (not v_np2_1) (not v_np17_1) (= x (+ y 1)) v_np15_1 v_np16_1 (not v_np5_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np7_1 (not v_np0_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1)) (and (not v_np16_1) (not v_np2_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) v_np3_1 (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np0_1 (not v_np10_1) (= y x)) (and (not v_np16_1) (not v_np2_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np3_1) (not v_np8_1) v_np7_1 (not v_np0_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np4_1) (not v_np13_1) (not v_np10_1) (= y x)) (and (not v_np16_1) v_np15_1 v_np17_1 v_np9_1 (not v_np5_1) (not v_np7_1) v_np1_1 v_np2_1 (not v_np3_1) (not v_np8_1) (not v_np0_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (= y x))) [2021-08-13 09:24:54,325 INFO L113 kiGriesValidityCheck]: 11#(or (and (not v_np17_1) v_np15_1 v_np16_1 (not v_np5_1) (not v_np7_1) v_np2_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np0_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (= y x)) (and (not v_np2_1) (not v_np17_1) v_np15_1 v_np16_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np0_1 (= y x)) (and (not v_np2_1) (not v_np17_1) (= x (+ y 1)) v_np15_1 v_np16_1 (not v_np5_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np7_1 (not v_np0_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1))) [2021-08-13 09:24:54,432 INFO L748 CegarLoopForPetriNet]: Checked inductivity and non-interference of Owicki-Gries annotation in 149096918ns [2021-08-13 09:24:54,434 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-13 09:24:54,440 INFO L202 PluginConnector]: Adding new model semi1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 09:24:54 BasicIcfg [2021-08-13 09:24:54,440 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-13 09:24:54,443 INFO L168 Benchmark]: Toolchain (without parser) took 901.32 ms. Allocated memory is still 178.3 MB. Free memory was 158.7 MB in the beginning and 123.2 MB in the end (delta: 35.6 MB). Peak memory consumption was 36.5 MB. Max. memory is 8.0 GB. [2021-08-13 09:24:54,443 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 178.3 MB. Free memory was 159.8 MB in the beginning and 159.7 MB in the end (delta: 92.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 09:24:54,444 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.45 ms. Allocated memory is still 178.3 MB. Free memory was 158.6 MB in the beginning and 157.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-13 09:24:54,445 INFO L168 Benchmark]: Boogie Preprocessor took 8.09 ms. Allocated memory is still 178.3 MB. Free memory was 157.2 MB in the beginning and 156.3 MB in the end (delta: 910.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-13 09:24:54,445 INFO L168 Benchmark]: RCFGBuilder took 152.94 ms. Allocated memory is still 178.3 MB. Free memory was 156.3 MB in the beginning and 146.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-08-13 09:24:54,446 INFO L168 Benchmark]: TraceAbstraction took 719.61 ms. Allocated memory is still 178.3 MB. Free memory was 146.3 MB in the beginning and 123.2 MB in the end (delta: 23.2 MB). Peak memory consumption was 22.8 MB. Max. memory is 8.0 GB. [2021-08-13 09:24:54,451 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 178.3 MB. Free memory was 159.8 MB in the beginning and 159.7 MB in the end (delta: 92.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 16.45 ms. Allocated memory is still 178.3 MB. Free memory was 158.6 MB in the beginning and 157.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 8.09 ms. Allocated memory is still 178.3 MB. Free memory was 157.2 MB in the beginning and 156.3 MB in the end (delta: 910.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 152.94 ms. Allocated memory is still 178.3 MB. Free memory was 156.3 MB in the beginning and 146.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 719.61 ms. Allocated memory is still 178.3 MB. Free memory was 146.3 MB in the beginning and 123.2 MB in the end (delta: 23.2 MB). Peak memory consumption was 22.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 36]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 24 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 358.6ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 84.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 29.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 21 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 54.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=2, InterpolantAutomatonStates: 8, 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: 4.7ms SsaConstructionTime, 16.6ms SatisfiabilityAnalysisTime, 126.2ms InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 66 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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...