/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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 19:15:55,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 19:15:55,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 19:15:55,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 19:15:55,764 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-07-14 19:15:55,783 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 19:15:55,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 19:15:55,783 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 19:15:55,783 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 19:15:55,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 19:15:55,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 19:15:55,784 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 19:15:55,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 19:15:55,784 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 19:15:55,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 19:15:55,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 19:15:55,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 19:15:55,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 19:15:55,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 19:15:55,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 19:15:55,785 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 19:15:55,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 19:15:55,785 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 19:15:55,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 19:15:55,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 19:15:55,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 19:15:55,786 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 19:15:55,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 19:15:55,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 19:15:55,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 19:15:55,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 19:15:55,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 19:15:55,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 19:15:55,786 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 19:15:55,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 19:15:55,787 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 19:15:55,787 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 19:15:55,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 19:15:55,787 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 19:15:55,787 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 19:15:55,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 19:15:56,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 19:15:56,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 19:15:56,021 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 19:15:56,022 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 19:15:56,022 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq.wvr.bpl [2021-07-14 19:15:56,022 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq.wvr.bpl' [2021-07-14 19:15:56,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 19:15:56,041 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 19:15:56,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 19:15:56,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 19:15:56,045 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 19:15:56,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:15:56" (1/1) ... [2021-07-14 19:15:56,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:15:56" (1/1) ... [2021-07-14 19:15:56,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 19:15:56,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 19:15:56,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 19:15:56,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 19:15:56,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:15:56" (1/1) ... [2021-07-14 19:15:56,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:15:56" (1/1) ... [2021-07-14 19:15:56,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:15:56" (1/1) ... [2021-07-14 19:15:56,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:15:56" (1/1) ... [2021-07-14 19:15:56,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:15:56" (1/1) ... [2021-07-14 19:15:56,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:15:56" (1/1) ... [2021-07-14 19:15:56,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:15:56" (1/1) ... [2021-07-14 19:15:56,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 19:15:56,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 19:15:56,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 19:15:56,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 19:15:56,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:15:56" (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 [2021-07-14 19:15:56,166 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 19:15:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 19:15:56,166 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 19:15:56,166 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 19:15:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 19:15:56,166 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 19:15:56,166 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 19:15:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 19:15:56,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 19:15:56,168 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 19:15:56,364 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 19:15:56,364 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 19:15:56,365 INFO L202 PluginConnector]: Adding new model dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:15:56 BoogieIcfgContainer [2021-07-14 19:15:56,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 19:15:56,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 19:15:56,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 19:15:56,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 19:15:56,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:15:56" (1/2) ... [2021-07-14 19:15:56,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e8de43a and model type dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 07:15:56, skipping insertion in model container [2021-07-14 19:15:56,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:15:56" (2/2) ... [2021-07-14 19:15:56,372 INFO L111 eAbstractionObserver]: Analyzing ICFG dec-subseq.wvr.bpl [2021-07-14 19:15:56,376 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 19:15:56,376 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 19:15:56,376 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 19:15:56,377 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 19:15:56,425 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 19:15:56,441 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 19:15:56,497 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 19:15:56,497 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 19:15:56,497 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 19:15:56,497 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 19:15:56,497 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 19:15:56,497 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 19:15:56,497 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 19:15:56,498 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 19:15:56,653 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:15:56,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:15:56,657 INFO L82 PathProgramCache]: Analyzing trace with hash -90717349, now seen corresponding path program 1 times [2021-07-14 19:15:56,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:15:56,663 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373370062] [2021-07-14 19:15:56,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:15:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:15:56,785 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:15:56,786 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:15:56,786 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373370062] [2021-07-14 19:15:56,786 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373370062] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:15:56,786 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318935714] [2021-07-14 19:15:56,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:15:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:15:56,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 19:15:56,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:15:56,961 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 19:15:56,961 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318935714] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:15:56,961 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 19:15:56,961 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2021-07-14 19:15:56,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812049961] [2021-07-14 19:15:56,965 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 19:15:56,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:15:56,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 19:15:56,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-07-14 19:15:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:15:56,975 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:15:56,976 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-07-14 19:15:56,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:15:56,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:15:57,213 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-14 19:15:57,213 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:15:57,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:15:57,214 INFO L82 PathProgramCache]: Analyzing trace with hash -2110748960, now seen corresponding path program 2 times [2021-07-14 19:15:57,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:15:57,214 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183643799] [2021-07-14 19:15:57,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:15:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:15:57,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:15:57,341 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:15:57,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183643799] [2021-07-14 19:15:57,343 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183643799] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:15:57,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760090906] [2021-07-14 19:15:57,343 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:15:57,382 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 19:15:57,382 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:15:57,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 19:15:57,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:15:57,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-14 19:15:57,524 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:15:57,527 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:15:57,528 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 19:15:57,528 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:7 [2021-07-14 19:15:57,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 19:15:57,560 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:15:57,563 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:15:57,564 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 19:15:57,565 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2021-07-14 19:15:57,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 19:15:57,602 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760090906] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:15:57,602 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:15:57,602 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2021-07-14 19:15:57,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552307099] [2021-07-14 19:15:57,603 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 19:15:57,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:15:57,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 19:15:57,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-07-14 19:15:57,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:15:57,604 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:15:57,604 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 12 states have internal predecessors, (33), 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) [2021-07-14 19:15:57,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:15:57,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:15:57,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:15:57,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 19:15:57,976 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:15:57,977 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:15:57,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:15:57,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1363814551, now seen corresponding path program 3 times [2021-07-14 19:15:57,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:15:57,978 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997157135] [2021-07-14 19:15:57,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:15:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:15:58,003 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-07-14 19:15:58,003 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:15:58,003 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997157135] [2021-07-14 19:15:58,003 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997157135] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:15:58,003 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 19:15:58,003 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 19:15:58,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894702437] [2021-07-14 19:15:58,004 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 19:15:58,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:15:58,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 19:15:58,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 19:15:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:15:58,004 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:15:58,004 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2021-07-14 19:15:58,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:15:58,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 19:15:58,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:15:58,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:15:58,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 19:15:58,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:15:58,037 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 19:15:58,037 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:15:58,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:15:58,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1166833311, now seen corresponding path program 4 times [2021-07-14 19:15:58,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:15:58,038 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628024933] [2021-07-14 19:15:58,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:15:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:15:58,098 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 19:15:58,098 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:15:58,098 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628024933] [2021-07-14 19:15:58,098 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628024933] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:15:58,098 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752852460] [2021-07-14 19:15:58,098 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:15:58,144 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 19:15:58,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 19:15:58,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-14 19:15:58,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:15:58,233 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-07-14 19:15:58,233 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752852460] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 19:15:58,233 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 19:15:58,233 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2021-07-14 19:15:58,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138732328] [2021-07-14 19:15:58,234 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 19:15:58,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:15:58,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 19:15:58,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-07-14 19:15:58,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:15:58,234 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:15:58,235 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2021-07-14 19:15:58,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:15:58,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 19:15:58,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:15:58,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:15:58,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:15:58,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 19:15:58,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:15:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 19:15:58,471 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:15:58,472 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 19:15:58,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:15:58,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1878400908, now seen corresponding path program 1 times [2021-07-14 19:15:58,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:15:58,473 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652962894] [2021-07-14 19:15:58,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:15:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:15:58,721 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 19:15:58,721 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 19:15:58,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652962894] [2021-07-14 19:15:58,722 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652962894] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:15:58,722 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078301052] [2021-07-14 19:15:58,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:15:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 19:15:58,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-14 19:15:58,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 19:15:59,096 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:15:59,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2021-07-14 19:15:59,106 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:15:59,113 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:15:59,116 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 19:15:59,116 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:44, output treesize:30 [2021-07-14 19:15:59,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 19:15:59,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 19:15:59,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 10 [2021-07-14 19:15:59,154 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 19:15:59,160 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 19:15:59,168 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 19:15:59,168 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:35, output treesize:5 [2021-07-14 19:15:59,204 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 19:15:59,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078301052] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 19:15:59,204 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 19:15:59,204 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 22 [2021-07-14 19:15:59,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923545377] [2021-07-14 19:15:59,206 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 19:15:59,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 19:15:59,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 19:15:59,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=398, Unknown=0, NotChecked=0, Total=506 [2021-07-14 19:15:59,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:15:59,214 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 19:15:59,215 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.1739130434782608) internal successors, (50), 22 states have internal predecessors, (50), 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) [2021-07-14 19:15:59,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:15:59,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 19:15:59,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:15:59,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 19:15:59,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 19:15:59,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 19:15:59,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 19:15:59,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 19:15:59,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 19:15:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 19:15:59,940 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 19:15:59,946 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 19:15:59,947 INFO L202 PluginConnector]: Adding new model dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 07:15:59 BasicIcfg [2021-07-14 19:15:59,948 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 19:15:59,948 INFO L168 Benchmark]: Toolchain (without parser) took 3906.94 ms. Allocated memory was 200.3 MB in the beginning and 262.1 MB in the end (delta: 61.9 MB). Free memory was 180.4 MB in the beginning and 210.1 MB in the end (delta: -29.7 MB). Peak memory consumption was 33.2 MB. Max. memory is 8.0 GB. [2021-07-14 19:15:59,948 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 200.3 MB. Free memory is still 181.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 19:15:59,948 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.39 ms. Allocated memory is still 200.3 MB. Free memory was 180.3 MB in the beginning and 178.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 19:15:59,948 INFO L168 Benchmark]: Boogie Preprocessor took 14.85 ms. Allocated memory is still 200.3 MB. Free memory was 178.9 MB in the beginning and 177.9 MB in the end (delta: 996.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 19:15:59,948 INFO L168 Benchmark]: RCFGBuilder took 267.20 ms. Allocated memory is still 200.3 MB. Free memory was 177.9 MB in the beginning and 165.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-14 19:15:59,949 INFO L168 Benchmark]: TraceAbstraction took 3580.87 ms. Allocated memory was 200.3 MB in the beginning and 262.1 MB in the end (delta: 61.9 MB). Free memory was 164.5 MB in the beginning and 210.1 MB in the end (delta: -45.6 MB). Peak memory consumption was 17.5 MB. Max. memory is 8.0 GB. [2021-07-14 19:15:59,949 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 0.12 ms. Allocated memory is still 200.3 MB. Free memory is still 181.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 37.39 ms. Allocated memory is still 200.3 MB. Free memory was 180.3 MB in the beginning and 178.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.85 ms. Allocated memory is still 200.3 MB. Free memory was 178.9 MB in the beginning and 177.9 MB in the end (delta: 996.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 267.20 ms. Allocated memory is still 200.3 MB. Free memory was 177.9 MB in the beginning and 165.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3580.87 ms. Allocated memory was 200.3 MB in the beginning and 262.1 MB in the end (delta: 61.9 MB). Free memory was 164.5 MB in the beginning and 210.1 MB in the end (delta: -45.6 MB). Peak memory consumption was 17.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 961, positive: 774, positive conditional: 502, positive unconditional: 272, negative: 187, negative conditional: 175, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 804, positive: 774, positive conditional: 502, positive unconditional: 272, negative: 30, negative conditional: 18, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 804, positive: 740, positive conditional: 0, positive unconditional: 740, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 181, positive: 176, positive conditional: 0, positive unconditional: 176, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 181, positive: 171, positive conditional: 0, positive unconditional: 171, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 8, positive conditional: 3, positive unconditional: 5, negative: 23, negative conditional: 18, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 69, positive conditional: 4, positive unconditional: 65, negative: 49, negative conditional: 29, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 804, positive: 564, positive conditional: 0, positive unconditional: 564, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 181, unknown conditional: 0, unknown unconditional: 181] , Statistics on independence cache: Total cache size (in pairs): 202, Positive cache size: 179, Positive conditional cache size: 3, Positive unconditional cache size: 176, Negative cache size: 23, Negative conditional cache size: 18, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 186, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 152, negative conditional: 95, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 186, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 152, negative conditional: 95, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 8, positive conditional: 3, positive unconditional: 5, negative: 23, negative conditional: 18, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 69, positive conditional: 4, positive unconditional: 65, negative: 49, negative conditional: 29, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 186, positive: 31, positive conditional: 31, positive unconditional: 0, negative: 134, negative conditional: 77, negative unconditional: 57, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 202, Positive cache size: 179, Positive conditional cache size: 3, Positive unconditional cache size: 176, Negative cache size: 23, Negative conditional cache size: 18, Negative unconditional cache size: 5, Eliminated conditions: 48, SemanticConditionEliminator.Independence Queries: [ total: 186, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 152, negative conditional: 95, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 186, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 152, negative conditional: 95, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 8, positive conditional: 3, positive unconditional: 5, negative: 23, negative conditional: 18, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 69, positive conditional: 4, positive unconditional: 65, negative: 49, negative conditional: 29, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 186, positive: 31, positive conditional: 31, positive unconditional: 0, negative: 134, negative conditional: 77, negative unconditional: 57, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 202, Positive cache size: 179, Positive conditional cache size: 3, Positive unconditional cache size: 176, Negative cache size: 23, Negative conditional cache size: 18, Negative unconditional cache size: 5, Eliminated conditions: 48, SemanticConditionEliminator.Independence Queries: [ total: 186, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 152, negative conditional: 95, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 186, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 152, negative conditional: 95, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 8, positive conditional: 3, positive unconditional: 5, negative: 23, negative conditional: 18, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 69, positive conditional: 4, positive unconditional: 65, negative: 49, negative conditional: 29, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 186, positive: 31, positive conditional: 31, positive unconditional: 0, negative: 134, negative conditional: 77, negative unconditional: 57, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 202, Positive cache size: 179, Positive conditional cache size: 3, Positive unconditional cache size: 176, Negative cache size: 23, Negative conditional cache size: 18, Negative unconditional cache size: 5, Eliminated conditions: 48, SemanticConditionEliminator.Independence Queries: [ total: 186, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 152, negative conditional: 95, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 186, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 152, negative conditional: 95, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 8, positive conditional: 3, positive unconditional: 5, negative: 23, negative conditional: 18, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 69, positive conditional: 4, positive unconditional: 65, negative: 49, negative conditional: 29, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 186, positive: 31, positive conditional: 31, positive unconditional: 0, negative: 134, negative conditional: 77, negative unconditional: 57, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 202, Positive cache size: 179, Positive conditional cache size: 3, Positive unconditional cache size: 176, Negative cache size: 23, Negative conditional cache size: 18, Negative unconditional cache size: 5, Eliminated conditions: 48, SemanticConditionEliminator.Independence Queries: [ total: 186, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 152, negative conditional: 95, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 186, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 152, negative conditional: 95, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 8, positive conditional: 3, positive unconditional: 5, negative: 23, negative conditional: 18, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 69, positive conditional: 4, positive unconditional: 65, negative: 49, negative conditional: 29, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 186, positive: 31, positive conditional: 31, positive unconditional: 0, negative: 134, negative conditional: 77, negative unconditional: 57, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 202, Positive cache size: 179, Positive conditional cache size: 3, Positive unconditional cache size: 176, Negative cache size: 23, Negative conditional cache size: 18, Negative unconditional cache size: 5, Eliminated conditions: 48 ], Maximal queried relation: 5, Independence queries for same thread: 157 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 113, Number of persistent set computation: 43, Number of trivial persistent sets: 27, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 961, positive: 774, positive conditional: 502, positive unconditional: 272, negative: 187, negative conditional: 175, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 804, positive: 774, positive conditional: 502, positive unconditional: 272, negative: 30, negative conditional: 18, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 804, positive: 740, positive conditional: 0, positive unconditional: 740, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 181, positive: 176, positive conditional: 0, positive unconditional: 176, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 181, positive: 171, positive conditional: 0, positive unconditional: 171, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 8, positive conditional: 3, positive unconditional: 5, negative: 23, negative conditional: 18, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 69, positive conditional: 4, positive unconditional: 65, negative: 49, negative conditional: 29, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 804, positive: 564, positive conditional: 0, positive unconditional: 564, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 181, unknown conditional: 0, unknown unconditional: 181] , Statistics on independence cache: Total cache size (in pairs): 202, Positive cache size: 179, Positive conditional cache size: 3, Positive unconditional cache size: 176, Negative cache size: 23, Negative conditional cache size: 18, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 186, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 152, negative conditional: 95, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 186, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 152, negative conditional: 95, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 8, positive conditional: 3, positive unconditional: 5, negative: 23, negative conditional: 18, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 69, positive conditional: 4, positive unconditional: 65, negative: 49, negative conditional: 29, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 186, positive: 31, positive conditional: 31, positive unconditional: 0, negative: 134, negative conditional: 77, negative unconditional: 57, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 202, Positive cache size: 179, Positive conditional cache size: 3, Positive unconditional cache size: 176, Negative cache size: 23, Negative conditional cache size: 18, Negative unconditional cache size: 5, Eliminated conditions: 48, SemanticConditionEliminator.Independence Queries: [ total: 186, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 152, negative conditional: 95, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 186, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 152, negative conditional: 95, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 8, positive conditional: 3, positive unconditional: 5, negative: 23, negative conditional: 18, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 69, positive conditional: 4, positive unconditional: 65, negative: 49, negative conditional: 29, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 186, positive: 31, positive conditional: 31, positive unconditional: 0, negative: 134, negative conditional: 77, negative unconditional: 57, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 202, Positive cache size: 179, Positive conditional cache size: 3, Positive unconditional cache size: 176, Negative cache size: 23, Negative conditional cache size: 18, Negative unconditional cache size: 5, Eliminated conditions: 48, SemanticConditionEliminator.Independence Queries: [ total: 186, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 152, negative conditional: 95, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 186, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 152, negative conditional: 95, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 8, positive conditional: 3, positive unconditional: 5, negative: 23, negative conditional: 18, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 69, positive conditional: 4, positive unconditional: 65, negative: 49, negative conditional: 29, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 186, positive: 31, positive conditional: 31, positive unconditional: 0, negative: 134, negative conditional: 77, negative unconditional: 57, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 202, Positive cache size: 179, Positive conditional cache size: 3, Positive unconditional cache size: 176, Negative cache size: 23, Negative conditional cache size: 18, Negative unconditional cache size: 5, Eliminated conditions: 48, SemanticConditionEliminator.Independence Queries: [ total: 186, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 152, negative conditional: 95, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 186, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 152, negative conditional: 95, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 8, positive conditional: 3, positive unconditional: 5, negative: 23, negative conditional: 18, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 69, positive conditional: 4, positive unconditional: 65, negative: 49, negative conditional: 29, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 186, positive: 31, positive conditional: 31, positive unconditional: 0, negative: 134, negative conditional: 77, negative unconditional: 57, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 202, Positive cache size: 179, Positive conditional cache size: 3, Positive unconditional cache size: 176, Negative cache size: 23, Negative conditional cache size: 18, Negative unconditional cache size: 5, Eliminated conditions: 48, SemanticConditionEliminator.Independence Queries: [ total: 186, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 152, negative conditional: 95, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 186, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 152, negative conditional: 95, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 8, positive conditional: 3, positive unconditional: 5, negative: 23, negative conditional: 18, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 118, positive: 69, positive conditional: 4, positive unconditional: 65, negative: 49, negative conditional: 29, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 186, positive: 31, positive conditional: 31, positive unconditional: 0, negative: 134, negative conditional: 77, negative unconditional: 57, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 202, Positive cache size: 179, Positive conditional cache size: 3, Positive unconditional cache size: 176, Negative cache size: 23, Negative conditional cache size: 18, Negative unconditional cache size: 5, Eliminated conditions: 48 ], Maximal queried relation: 5, Independence queries for same thread: 157 - PositiveResult [Line: 62]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 41 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3490.5ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.8ms, PartialOrderReductionTime: 890.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 39, 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: 28.0ms SsaConstructionTime, 104.6ms SatisfiabilityAnalysisTime, 1337.8ms InterpolantComputationTime, 296 NumberOfCodeBlocks, 296 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 287 ConstructedInterpolants, 8 QuantifiedInterpolants, 1286 SizeOfPredicates, 18 NumberOfNonLiveVariables, 267 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 130/178 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...