/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 10:48:23,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 10:48:23,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 10:48:23,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 10:48:23,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 10:48:23,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 10:48:23,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 10:48:23,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 10:48:23,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 10:48:23,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 10:48:23,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 10:48:23,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 10:48:23,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 10:48:23,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 10:48:23,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 10:48:23,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 10:48:23,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-12 10:48:23,891 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-Sleep-NoLbe-Delay.epf [2021-03-12 10:48:23,940 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 10:48:23,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 10:48:23,941 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 10:48:23,941 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 10:48:23,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 10:48:23,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 10:48:23,946 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 10:48:23,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 10:48:23,947 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 10:48:23,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 10:48:23,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 10:48:23,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 10:48:23,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 10:48:23,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 10:48:23,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 10:48:23,949 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 10:48:23,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 10:48:23,949 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 10:48:23,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 10:48:23,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 10:48:23,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 10:48:23,950 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 10:48:23,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 10:48:23,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 10:48:23,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 10:48:23,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 10:48:23,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 10:48:23,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 10:48:23,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 10:48:23,951 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 10:48:23,951 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 10:48:23,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 10:48:23,952 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 10:48:23,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 10:48:24,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 10:48:24,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 10:48:24,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 10:48:24,439 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 10:48:24,441 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 10:48:24,442 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl [2021-03-12 10:48:24,442 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl' [2021-03-12 10:48:24,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 10:48:24,487 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 10:48:24,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 10:48:24,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 10:48:24,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 10:48:24,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:48:24" (1/1) ... [2021-03-12 10:48:24,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:48:24" (1/1) ... [2021-03-12 10:48:24,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 10:48:24,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 10:48:24,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 10:48:24,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 10:48:24,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:48:24" (1/1) ... [2021-03-12 10:48:24,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:48:24" (1/1) ... [2021-03-12 10:48:24,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:48:24" (1/1) ... [2021-03-12 10:48:24,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:48:24" (1/1) ... [2021-03-12 10:48:24,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:48:24" (1/1) ... [2021-03-12 10:48:24,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:48:24" (1/1) ... [2021-03-12 10:48:24,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:48:24" (1/1) ... [2021-03-12 10:48:24,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 10:48:24,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 10:48:24,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 10:48:24,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 10:48:24,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:48:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 10:48:24,651 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 10:48:24,651 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 10:48:24,651 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 10:48:24,652 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 10:48:24,652 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 10:48:24,652 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 10:48:24,652 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 10:48:24,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 10:48:24,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 10:48:24,652 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-12 10:48:24,652 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-12 10:48:24,652 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-12 10:48:24,654 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 10:48:24,972 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 10:48:24,973 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-12 10:48:24,975 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 10:48:24 BoogieIcfgContainer [2021-03-12 10:48:24,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 10:48:24,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 10:48:24,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 10:48:24,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 10:48:24,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:48:24" (1/2) ... [2021-03-12 10:48:24,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ca72565 and model type sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 10:48:24, skipping insertion in model container [2021-03-12 10:48:24,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 10:48:24" (2/2) ... [2021-03-12 10:48:24,985 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array-hom.wvr.bpl [2021-03-12 10:48:24,990 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 10:48:24,991 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 10:48:24,995 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 10:48:24,996 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 10:48:25,036 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-03-12 10:48:25,072 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 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 [2021-03-12 10:48:25,133 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 10:48:25,133 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 10:48:25,133 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 10:48:25,133 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 10:48:25,133 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 10:48:25,133 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 10:48:25,133 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 10:48:25,134 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 10:48:25,180 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:48:25,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:48:25,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1685831996, now seen corresponding path program 1 times [2021-03-12 10:48:25,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:48:25,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870494557] [2021-03-12 10:48:25,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:48:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:48:25,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:48:25,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870494557] [2021-03-12 10:48:25,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 10:48:25,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 10:48:25,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061440143] [2021-03-12 10:48:25,506 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 10:48:25,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:48:25,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 10:48:25,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-12 10:48:25,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:25,539 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:48:25,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2021-03-12 10:48:25,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:25,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:25,675 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 10:48:25,675 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:48:25,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:48:25,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1860946394, now seen corresponding path program 1 times [2021-03-12 10:48:25,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:48:25,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330341003] [2021-03-12 10:48:25,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:48:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:48:25,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 10:48:25,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330341003] [2021-03-12 10:48:25,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 10:48:25,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 10:48:25,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850175078] [2021-03-12 10:48:25,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 10:48:25,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:48:25,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 10:48:25,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 10:48:25,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:25,769 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:48:25,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-03-12 10:48:25,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:25,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:25,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:25,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:25,834 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 10:48:25,836 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:48:25,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:48:25,837 INFO L82 PathProgramCache]: Analyzing trace with hash 2099964152, now seen corresponding path program 1 times [2021-03-12 10:48:25,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:48:25,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744617456] [2021-03-12 10:48:25,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:48:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:48:26,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:48:26,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744617456] [2021-03-12 10:48:26,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269374411] [2021-03-12 10:48:26,223 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 [2021-03-12 10:48:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:48:26,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 10:48:26,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:48:26,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:48:26,570 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-12 10:48:26,572 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 10:48:26,579 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:48:26,584 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 10:48:26,584 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2021-03-12 10:48:26,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:48:26,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:48:26,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-03-12 10:48:26,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504824607] [2021-03-12 10:48:26,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-12 10:48:26,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:48:26,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-12 10:48:26,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-03-12 10:48:26,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:26,623 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:48:26,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 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) [2021-03-12 10:48:26,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:26,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:26,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:26,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:26,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:26,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:48:27,039 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:48:27,039 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:48:27,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:48:27,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1225355926, now seen corresponding path program 2 times [2021-03-12 10:48:27,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:48:27,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764676262] [2021-03-12 10:48:27,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:48:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:48:27,159 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:48:27,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764676262] [2021-03-12 10:48:27,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722648020] [2021-03-12 10:48:27,160 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 [2021-03-12 10:48:27,198 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 10:48:27,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:48:27,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-12 10:48:27,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:48:27,352 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:48:27,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:48:27,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-03-12 10:48:27,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373505533] [2021-03-12 10:48:27,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-12 10:48:27,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:48:27,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-12 10:48:27,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-12 10:48:27,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:27,355 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:48:27,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 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) [2021-03-12 10:48:27,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:27,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:27,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:48:27,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:27,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:27,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:27,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:48:27,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:48:27,830 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:48:27,831 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:48:27,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:48:27,832 INFO L82 PathProgramCache]: Analyzing trace with hash 661666650, now seen corresponding path program 1 times [2021-03-12 10:48:27,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:48:27,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012470495] [2021-03-12 10:48:27,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:48:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:48:27,902 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 10:48:27,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012470495] [2021-03-12 10:48:27,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814852324] [2021-03-12 10:48:27,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-12 10:48:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:48:27,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-12 10:48:27,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:48:28,056 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 10:48:28,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:48:28,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-03-12 10:48:28,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255330060] [2021-03-12 10:48:28,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-12 10:48:28,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:48:28,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-12 10:48:28,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-03-12 10:48:28,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:28,059 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:48:28,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 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) [2021-03-12 10:48:28,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:28,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:28,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:48:28,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:48:28,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:28,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:28,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:28,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:48:28,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:48:28,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:48:28,392 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:48:28,393 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:48:28,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:48:28,393 INFO L82 PathProgramCache]: Analyzing trace with hash -258173320, now seen corresponding path program 2 times [2021-03-12 10:48:28,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:48:28,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799990565] [2021-03-12 10:48:28,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:48:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:48:28,795 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:48:28,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799990565] [2021-03-12 10:48:28,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000480289] [2021-03-12 10:48:28,796 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 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 [2021-03-12 10:48:28,842 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 10:48:28,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:48:28,844 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 39 conjunts are in the unsatisfiable core [2021-03-12 10:48:28,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:48:29,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:48:29,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:48:29,623 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:48:29,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 29 treesize of output 59 [2021-03-12 10:48:29,697 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-12 10:48:29,768 INFO L628 ElimStorePlain]: treesize reduction 64, result has 44.3 percent of original size [2021-03-12 10:48:29,826 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 10:48:29,826 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:53, output treesize:67 [2021-03-12 10:48:29,952 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:48:29,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:48:29,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-03-12 10:48:29,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505641747] [2021-03-12 10:48:29,954 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-12 10:48:29,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:48:29,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-12 10:48:29,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=507, Unknown=0, NotChecked=0, Total=600 [2021-03-12 10:48:29,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:29,958 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:48:29,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.08) internal successors, (52), 25 states have internal predecessors, (52), 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) [2021-03-12 10:48:29,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:29,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:29,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:48:29,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:48:29,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:48:29,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:30,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:48:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:48:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:48:30,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:30,871 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-03-12 10:48:30,871 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:48:30,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:48:30,872 INFO L82 PathProgramCache]: Analyzing trace with hash 538878486, now seen corresponding path program 3 times [2021-03-12 10:48:30,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:48:30,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536138553] [2021-03-12 10:48:30,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:48:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:48:30,995 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:48:30,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536138553] [2021-03-12 10:48:30,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543786750] [2021-03-12 10:48:30,996 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:48:31,030 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-03-12 10:48:31,031 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:48:31,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-12 10:48:31,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:48:31,286 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:48:31,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:48:31,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-03-12 10:48:31,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099803864] [2021-03-12 10:48:31,292 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-12 10:48:31,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:48:31,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-12 10:48:31,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-03-12 10:48:31,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:31,294 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:48:31,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 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) [2021-03-12 10:48:31,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:31,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:31,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:48:31,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:48:31,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:48:31,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:31,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:31,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:31,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:31,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:48:31,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:48:31,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:48:31,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:31,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:48:32,027 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:48:32,028 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:48:32,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:48:32,028 INFO L82 PathProgramCache]: Analyzing trace with hash 157395674, now seen corresponding path program 4 times [2021-03-12 10:48:32,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:48:32,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645026532] [2021-03-12 10:48:32,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:48:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:48:32,156 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 10:48:32,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645026532] [2021-03-12 10:48:32,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566277099] [2021-03-12 10:48:32,157 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:48:32,191 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 10:48:32,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:48:32,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-12 10:48:32,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:48:32,346 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 10:48:32,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:48:32,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-03-12 10:48:32,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754745170] [2021-03-12 10:48:32,347 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-12 10:48:32,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:48:32,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-12 10:48:32,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-03-12 10:48:32,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:32,349 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:48:32,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 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) [2021-03-12 10:48:32,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:32,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:32,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:48:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:48:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:48:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:48:32,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:32,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:32,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:32,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:48:32,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:48:32,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:48:32,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:32,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:48:32,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:32,739 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:48:32,739 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:48:32,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:48:32,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1710749704, now seen corresponding path program 5 times [2021-03-12 10:48:32,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:48:32,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940860441] [2021-03-12 10:48:32,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:48:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:48:33,386 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:48:33,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940860441] [2021-03-12 10:48:33,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771831631] [2021-03-12 10:48:33,387 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:48:33,440 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-03-12 10:48:33,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:48:33,442 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-03-12 10:48:33,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:48:34,459 INFO L354 Elim1Store]: treesize reduction 118, result has 2.5 percent of original size [2021-03-12 10:48:34,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 121 treesize of output 73 [2021-03-12 10:48:34,463 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 10:48:34,470 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:48:34,476 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 10:48:34,477 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:126, output treesize:5 [2021-03-12 10:48:34,509 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:48:34,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:48:34,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-03-12 10:48:34,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618078230] [2021-03-12 10:48:34,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-03-12 10:48:34,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:48:34,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-03-12 10:48:34,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=847, Unknown=0, NotChecked=0, Total=930 [2021-03-12 10:48:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:34,512 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:48:34,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.193548387096774) internal successors, (68), 31 states have internal predecessors, (68), 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) [2021-03-12 10:48:34,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:34,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:34,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:48:34,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:48:34,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:48:34,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:34,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:48:34,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:34,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:36,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:36,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:36,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:48:36,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:48:36,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:48:36,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:36,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:48:36,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:36,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:48:36,379 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-03-12 10:48:36,379 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:48:36,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:48:36,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1702128234, now seen corresponding path program 6 times [2021-03-12 10:48:36,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:48:36,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043227269] [2021-03-12 10:48:36,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:48:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:48:36,522 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:48:36,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043227269] [2021-03-12 10:48:36,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93341574] [2021-03-12 10:48:36,522 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:48:36,563 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-03-12 10:48:36,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:48:36,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-12 10:48:36,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:48:36,922 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:48:36,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:48:36,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2021-03-12 10:48:36,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666923693] [2021-03-12 10:48:36,923 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-12 10:48:36,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:48:36,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-12 10:48:36,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2021-03-12 10:48:36,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:36,925 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:48:36,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.392857142857143) internal successors, (67), 28 states have internal predecessors, (67), 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) [2021-03-12 10:48:36,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:36,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:36,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:48:36,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:48:36,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:48:36,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:36,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:48:36,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:36,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:48:36,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:37,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:37,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:37,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:48:37,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:48:37,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:48:37,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:37,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:48:37,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:37,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:48:37,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:48:38,059 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:48:38,059 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:48:38,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:48:38,060 INFO L82 PathProgramCache]: Analyzing trace with hash -718741926, now seen corresponding path program 7 times [2021-03-12 10:48:38,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:48:38,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265405793] [2021-03-12 10:48:38,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:48:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:48:38,198 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 10:48:38,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265405793] [2021-03-12 10:48:38,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220925408] [2021-03-12 10:48:38,199 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:48:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:48:38,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-12 10:48:38,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:48:38,517 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 10:48:38,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:48:38,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 23 [2021-03-12 10:48:38,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377037704] [2021-03-12 10:48:38,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-12 10:48:38,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:48:38,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-12 10:48:38,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2021-03-12 10:48:38,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:38,519 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:48:38,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.608695652173913) internal successors, (60), 23 states have internal predecessors, (60), 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) [2021-03-12 10:48:38,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:38,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:38,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:48:38,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:48:38,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:48:38,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:38,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:48:38,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:38,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:48:38,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:48:38,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:38,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:38,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:38,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:48:38,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:48:38,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:48:38,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:38,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:48:38,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:38,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:48:38,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:48:38,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:48:38,971 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:48:38,971 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:48:38,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:48:38,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1675149960, now seen corresponding path program 8 times [2021-03-12 10:48:38,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:48:38,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617099546] [2021-03-12 10:48:38,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:48:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:48:40,163 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 16 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:48:40,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617099546] [2021-03-12 10:48:40,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314377114] [2021-03-12 10:48:40,164 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:48:40,208 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 10:48:40,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:48:40,211 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 66 conjunts are in the unsatisfiable core [2021-03-12 10:48:40,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:48:41,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:48:41,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:48:41,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:48:41,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:48:41,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:48:41,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:48:41,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:48:41,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 23 [2021-03-12 10:48:41,486 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 10:48:41,493 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:48:41,496 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 10:48:41,496 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:60, output treesize:5 [2021-03-12 10:48:41,537 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:48:41,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:48:41,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21] total 39 [2021-03-12 10:48:41,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979949190] [2021-03-12 10:48:41,539 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-03-12 10:48:41,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:48:41,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-03-12 10:48:41,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1323, Unknown=0, NotChecked=0, Total=1482 [2021-03-12 10:48:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:41,541 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:48:41,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 2.128205128205128) internal successors, (83), 39 states have internal predecessors, (83), 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) [2021-03-12 10:48:41,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:41,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:41,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:48:41,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:48:41,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:48:41,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:41,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:48:41,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:41,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:48:41,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:48:41,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:48:41,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:42,819 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2021-03-12 10:48:43,102 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 102 [2021-03-12 10:48:43,473 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2021-03-12 10:48:43,719 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2021-03-12 10:48:44,035 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2021-03-12 10:48:44,358 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2021-03-12 10:48:46,878 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2021-03-12 10:48:47,107 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2021-03-12 10:48:47,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:47,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:47,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:48:47,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:48:47,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:48:47,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:47,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:48:47,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:47,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:48:47,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:48:47,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:48:47,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:48:47,335 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-03-12 10:48:47,336 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:48:47,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:48:47,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1033138774, now seen corresponding path program 9 times [2021-03-12 10:48:47,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:48:47,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407069861] [2021-03-12 10:48:47,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:48:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:48:47,582 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 49 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:48:47,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407069861] [2021-03-12 10:48:47,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12024232] [2021-03-12 10:48:47,583 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:48:47,626 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-03-12 10:48:47,626 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:48:47,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-12 10:48:47,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:48:48,233 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 64 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:48:48,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:48:48,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 40 [2021-03-12 10:48:48,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639489496] [2021-03-12 10:48:48,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-03-12 10:48:48,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:48:48,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-03-12 10:48:48,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=1277, Unknown=0, NotChecked=0, Total=1560 [2021-03-12 10:48:48,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:48,236 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:48:48,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 2.275) internal successors, (91), 40 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 10:48:48,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:48,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:48,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:48:48,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:48:48,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:48:48,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:48,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:48:48,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:48,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:48:48,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:48:48,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:48:48,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:48:48,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:50,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:50,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:50,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:48:50,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:48:50,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:48:50,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:50,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:48:50,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:50,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:48:50,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:48:50,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:48:50,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:48:50,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:48:50,399 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-03-12 10:48:50,399 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:48:50,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:48:50,400 INFO L82 PathProgramCache]: Analyzing trace with hash -621454566, now seen corresponding path program 10 times [2021-03-12 10:48:50,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:48:50,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873440371] [2021-03-12 10:48:50,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:48:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:48:50,668 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 81 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 10:48:50,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873440371] [2021-03-12 10:48:50,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801592177] [2021-03-12 10:48:50,669 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:48:50,715 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 10:48:50,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:48:50,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-12 10:48:50,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:48:51,050 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 81 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 10:48:51,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:48:51,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 32 [2021-03-12 10:48:51,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218890199] [2021-03-12 10:48:51,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-03-12 10:48:51,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:48:51,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-03-12 10:48:51,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=730, Unknown=0, NotChecked=0, Total=992 [2021-03-12 10:48:51,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:51,055 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:48:51,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.4375) internal successors, (78), 32 states have internal predecessors, (78), 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) [2021-03-12 10:48:51,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:51,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:51,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:48:51,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:48:51,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:48:51,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:51,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:48:51,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:51,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:48:51,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:48:51,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:48:51,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:48:51,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:48:51,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:51,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:51,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:51,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:48:51,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:48:51,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:48:51,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:51,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:48:51,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:51,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:48:51,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:48:51,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:48:51,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:48:51,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:48:51,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:48:51,699 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-03-12 10:48:51,699 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:48:51,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:48:51,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1481114312, now seen corresponding path program 11 times [2021-03-12 10:48:51,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:48:51,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279418484] [2021-03-12 10:48:51,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:48:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:48:53,524 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 49 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:48:53,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279418484] [2021-03-12 10:48:53,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533863781] [2021-03-12 10:48:53,525 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:48:53,591 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-03-12 10:48:53,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:48:53,593 WARN L261 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 90 conjunts are in the unsatisfiable core [2021-03-12 10:48:53,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:48:55,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:48:55,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:48:55,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:48:55,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:48:55,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:48:55,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:48:55,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:48:55,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:48:55,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 29 [2021-03-12 10:48:55,293 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 10:48:55,299 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:48:55,302 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 10:48:55,302 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:5 [2021-03-12 10:48:55,359 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:48:55,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:48:55,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 26] total 52 [2021-03-12 10:48:55,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799805062] [2021-03-12 10:48:55,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-03-12 10:48:55,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:48:55,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-03-12 10:48:55,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=2415, Unknown=0, NotChecked=0, Total=2652 [2021-03-12 10:48:55,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:55,362 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:48:55,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 2.0961538461538463) internal successors, (109), 52 states have internal predecessors, (109), 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) [2021-03-12 10:48:55,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:48:55,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:48:55,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:48:55,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:48:55,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:48:55,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:55,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:48:55,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:48:55,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:48:55,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:48:55,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:48:55,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:48:55,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:48:55,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:48:55,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:48:56,101 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 51 [2021-03-12 10:48:57,978 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 74 [2021-03-12 10:48:58,992 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 119 [2021-03-12 10:48:59,219 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2021-03-12 10:48:59,477 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2021-03-12 10:48:59,651 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2021-03-12 10:48:59,891 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2021-03-12 10:49:00,218 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2021-03-12 10:49:06,233 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-03-12 10:49:06,466 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2021-03-12 10:49:06,834 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-03-12 10:49:07,526 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 106 [2021-03-12 10:49:07,783 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-03-12 10:49:08,034 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2021-03-12 10:49:08,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:49:08,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:49:08,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:49:08,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:49:08,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:49:08,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:49:08,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:49:08,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:49:08,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:49:08,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:49:08,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:49:08,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:49:08,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:49:08,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:49:08,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:49:08,277 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:49:08,278 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:49:08,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:49:08,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1071314922, now seen corresponding path program 12 times [2021-03-12 10:49:08,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:49:08,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175493557] [2021-03-12 10:49:08,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:49:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:49:08,680 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 100 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:49:08,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175493557] [2021-03-12 10:49:08,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716640196] [2021-03-12 10:49:08,680 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:49:08,750 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-03-12 10:49:08,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:49:08,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-12 10:49:08,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:49:09,713 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 121 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:49:09,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:49:09,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 52 [2021-03-12 10:49:09,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351293583] [2021-03-12 10:49:09,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-03-12 10:49:09,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:49:09,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-03-12 10:49:09,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=481, Invalid=2171, Unknown=0, NotChecked=0, Total=2652 [2021-03-12 10:49:09,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:49:09,716 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:49:09,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 2.2115384615384617) internal successors, (115), 52 states have internal predecessors, (115), 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) [2021-03-12 10:49:09,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:49:09,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:49:09,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:49:09,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:49:09,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:49:09,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:49:09,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:49:09,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:49:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:49:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:49:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:49:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:49:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:49:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:49:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:49:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:49:12,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:49:12,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:49:12,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:49:12,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:49:12,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:49:12,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:49:12,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:49:12,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:49:12,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:49:12,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:49:12,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:49:12,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:49:12,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:49:12,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:49:12,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:49:12,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:49:12,795 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-03-12 10:49:12,795 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:49:12,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:49:12,796 INFO L82 PathProgramCache]: Analyzing trace with hash -742059814, now seen corresponding path program 13 times [2021-03-12 10:49:12,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:49:12,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736785986] [2021-03-12 10:49:12,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:49:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:49:13,263 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 144 proven. 144 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 10:49:13,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736785986] [2021-03-12 10:49:13,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314916682] [2021-03-12 10:49:13,264 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:49:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:49:13,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-12 10:49:13,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:49:13,868 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 144 proven. 144 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 10:49:13,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:49:13,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 41 [2021-03-12 10:49:13,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94573679] [2021-03-12 10:49:13,870 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-03-12 10:49:13,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:49:13,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-03-12 10:49:13,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=1222, Unknown=0, NotChecked=0, Total=1640 [2021-03-12 10:49:13,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:49:13,872 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:49:13,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 2.341463414634146) internal successors, (96), 41 states have internal predecessors, (96), 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) [2021-03-12 10:49:13,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:49:13,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:49:13,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:49:13,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:49:13,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:49:13,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:49:13,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:49:13,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:49:13,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:49:13,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:49:13,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:49:13,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:49:13,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:49:13,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:49:13,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:49:13,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:49:13,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:49:14,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:49:14,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:49:14,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:49:14,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:49:14,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:49:14,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:49:14,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:49:14,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:49:14,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:49:14,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:49:14,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:49:14,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:49:14,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:49:14,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:49:14,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:49:14,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:49:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:49:14,593 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:49:14,594 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:49:14,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:49:14,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1795126776, now seen corresponding path program 14 times [2021-03-12 10:49:14,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:49:14,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158978135] [2021-03-12 10:49:14,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:49:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:49:17,506 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 66 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:49:17,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158978135] [2021-03-12 10:49:17,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201700917] [2021-03-12 10:49:17,506 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:49:17,583 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 10:49:17,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:49:17,585 WARN L261 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 114 conjunts are in the unsatisfiable core [2021-03-12 10:49:17,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:49:21,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:49:21,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:49:21,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:49:21,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:49:21,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:49:21,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:49:21,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:49:21,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:49:21,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:49:21,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:49:21,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:49:21,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:49:21,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:49:21,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:49:21,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:49:21,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:49:21,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:49:21,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:49:21,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:49:21,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:49:21,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 35 [2021-03-12 10:49:21,424 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 10:49:21,431 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:49:21,437 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 10:49:21,438 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:96, output treesize:5 [2021-03-12 10:49:21,501 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 0 proven. 314 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:49:21,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:49:21,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 33] total 63 [2021-03-12 10:49:21,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257824731] [2021-03-12 10:49:21,502 INFO L460 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-03-12 10:49:21,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:49:21,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-03-12 10:49:21,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=3546, Unknown=0, NotChecked=0, Total=3906 [2021-03-12 10:49:21,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:49:21,503 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:49:21,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 2.0793650793650795) internal successors, (131), 63 states have internal predecessors, (131), 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) [2021-03-12 10:49:21,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:49:21,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:49:21,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:49:21,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:49:21,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:49:21,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:49:21,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:49:21,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:49:21,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:49:21,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:49:21,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:49:21,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:49:21,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:49:21,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:49:21,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:49:21,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:49:21,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:49:21,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:49:25,917 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-03-12 10:49:26,542 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 89 [2021-03-12 10:49:27,340 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 134 [2021-03-12 10:49:27,983 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 144 [2021-03-12 10:49:28,413 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 104 [2021-03-12 10:49:28,772 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 106 [2021-03-12 10:49:29,164 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 116 [2021-03-12 10:49:29,718 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 121 [2021-03-12 10:49:30,092 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-03-12 10:49:30,405 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2021-03-12 10:49:30,719 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2021-03-12 10:49:31,038 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-03-12 10:49:31,385 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-03-12 10:49:31,724 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-03-12 10:49:32,065 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-03-12 10:49:32,423 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-03-12 10:49:32,755 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-03-12 10:49:33,119 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 10:49:39,253 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 10:49:41,082 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2021-03-12 10:49:42,005 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-03-12 10:49:42,927 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 10:49:43,862 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-03-12 10:49:44,765 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-03-12 10:49:45,380 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2021-03-12 10:49:45,702 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2021-03-12 10:49:46,040 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2021-03-12 10:49:46,355 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2021-03-12 10:49:46,628 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2021-03-12 10:49:46,938 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-03-12 10:49:47,220 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-03-12 10:49:47,548 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2021-03-12 10:49:48,111 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-03-12 10:49:48,525 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-03-12 10:49:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:49:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:49:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:49:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:49:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:49:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:49:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:49:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:49:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:49:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:49:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:49:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:49:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:49:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:49:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:49:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:49:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:49:48,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-03-12 10:49:48,825 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-03-12 10:49:48,825 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:49:48,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:49:48,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1433173960, now seen corresponding path program 15 times [2021-03-12 10:49:48,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:49:48,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254107337] [2021-03-12 10:49:48,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:49:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:49:50,574 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2021-03-12 10:49:50,809 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2021-03-12 10:49:53,134 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 65 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:49:53,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254107337] [2021-03-12 10:49:53,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1305111666] [2021-03-12 10:49:53,135 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:49:53,190 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-03-12 10:49:53,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:49:53,195 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 126 conjunts are in the unsatisfiable core [2021-03-12 10:49:53,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:50:00,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:00,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:01,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:01,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:01,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:01,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:01,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:01,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:01,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:01,026 INFO L244 Elim1Store]: Index analysis took 339 ms [2021-03-12 10:50:01,511 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2021-03-12 10:50:01,513 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:50:01,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 182 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 28 case distinctions, treesize of input 105 treesize of output 315 [2021-03-12 10:50:03,885 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-03-12 10:50:04,010 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2021-03-12 10:50:04,012 INFO L628 ElimStorePlain]: treesize reduction 9, result has 85.0 percent of original size [2021-03-12 10:50:04,031 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-12 10:50:04,031 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:129, output treesize:41 [2021-03-12 10:50:04,514 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:50:04,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:50:04,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 38] total 70 [2021-03-12 10:50:04,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412956972] [2021-03-12 10:50:04,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-03-12 10:50:04,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:50:04,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-03-12 10:50:04,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=4444, Unknown=0, NotChecked=0, Total=4830 [2021-03-12 10:50:04,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:04,517 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:50:04,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 70 states, 70 states have (on average 1.9857142857142858) internal successors, (139), 70 states have internal predecessors, (139), 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) [2021-03-12 10:50:04,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:04,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:04,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:04,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:50:04,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:50:04,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:04,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:50:04,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:04,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:50:04,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:50:04,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:50:04,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:50:04,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:50:04,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:50:04,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:50:04,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:50:04,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:50:04,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-03-12 10:50:04,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:05,400 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-03-12 10:50:05,996 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2021-03-12 10:50:07,024 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-03-12 10:50:07,377 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 35 [2021-03-12 10:50:07,860 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 10:50:08,667 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 10:50:09,555 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-03-12 10:50:10,483 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2021-03-12 10:50:10,948 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-03-12 10:50:11,505 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-03-12 10:50:11,974 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 74 [2021-03-12 10:50:12,767 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 76 [2021-03-12 10:50:13,442 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 81 [2021-03-12 10:50:14,115 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-03-12 10:50:14,682 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 86 [2021-03-12 10:50:15,300 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 86 [2021-03-12 10:50:15,815 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 89 [2021-03-12 10:50:16,503 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 93 [2021-03-12 10:50:16,973 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 55 [2021-03-12 10:50:18,070 WARN L205 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 141 [2021-03-12 10:50:19,496 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 167 DAG size of output: 151 [2021-03-12 10:50:20,205 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 111 [2021-03-12 10:50:20,871 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-03-12 10:50:21,562 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 121 [2021-03-12 10:50:22,592 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 126 [2021-03-12 10:50:23,349 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-03-12 10:50:23,865 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-03-12 10:50:24,416 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-03-12 10:50:24,939 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-03-12 10:50:25,452 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-03-12 10:50:25,992 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-03-12 10:50:26,524 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-03-12 10:50:27,081 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 10:50:27,654 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-03-12 10:50:28,230 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-03-12 10:50:28,827 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 10:50:29,113 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 10:50:29,357 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-03-12 10:50:32,405 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-03-12 10:50:33,120 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-03-12 10:50:34,661 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-03-12 10:50:36,287 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-03-12 10:50:36,783 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-03-12 10:50:38,035 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-03-12 10:50:39,600 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2021-03-12 10:50:41,189 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-03-12 10:50:42,836 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-03-12 10:50:44,433 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-03-12 10:50:45,245 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 10:50:46,079 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2021-03-12 10:50:47,771 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2021-03-12 10:50:49,387 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-03-12 10:50:50,978 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-03-12 10:50:51,991 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-03-12 10:50:52,602 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-03-12 10:50:53,625 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2021-03-12 10:50:54,324 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 116 [2021-03-12 10:50:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:50:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:50:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:50:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:50:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:50:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:50:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:50:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:50:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:50:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:50:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:50:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:50:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-03-12 10:50:54,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-03-12 10:50:54,655 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-03-12 10:50:54,655 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:50:54,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:50:54,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1999747960, now seen corresponding path program 16 times [2021-03-12 10:50:54,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:50:54,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302824164] [2021-03-12 10:50:54,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:50:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:50:55,418 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-03-12 10:50:55,592 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-03-12 10:50:55,768 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-03-12 10:50:55,959 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-03-12 10:50:56,154 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-03-12 10:50:56,358 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-03-12 10:50:56,572 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-03-12 10:50:56,817 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-03-12 10:50:57,045 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-03-12 10:50:57,273 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-03-12 10:50:57,550 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-03-12 10:50:57,815 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-03-12 10:50:58,157 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2021-03-12 10:50:58,530 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2021-03-12 10:50:59,567 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-03-12 10:50:59,852 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2021-03-12 10:51:00,215 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2021-03-12 10:51:00,485 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2021-03-12 10:51:00,780 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2021-03-12 10:51:01,059 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2021-03-12 10:51:01,364 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-03-12 10:51:01,648 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-03-12 10:51:01,940 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2021-03-12 10:51:02,242 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-03-12 10:51:03,140 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 92 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:51:03,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302824164] [2021-03-12 10:51:03,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728597932] [2021-03-12 10:51:03,140 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:51:03,189 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 10:51:03,189 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:51:03,192 WARN L261 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 130 conjunts are in the unsatisfiable core [2021-03-12 10:51:03,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:51:14,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:14,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:14,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:14,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:14,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:14,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:14,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:14,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:14,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:14,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:14,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:51:14,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:14,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:14,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:14,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:14,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:14,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:14,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 39 [2021-03-12 10:51:14,756 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 10:51:14,781 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:51:14,786 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 10:51:14,786 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-03-12 10:51:14,995 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:51:14,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:51:14,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 37] total 71 [2021-03-12 10:51:14,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908069850] [2021-03-12 10:51:14,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-03-12 10:51:14,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:51:14,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-03-12 10:51:14,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=427, Invalid=4543, Unknown=0, NotChecked=0, Total=4970 [2021-03-12 10:51:14,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:51:14,998 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:51:14,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 71 states, 71 states have (on average 2.0704225352112675) internal successors, (147), 71 states have internal predecessors, (147), 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) [2021-03-12 10:51:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:51:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:51:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:51:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:51:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:51:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:51:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:51:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:51:14,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:51:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:51:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:51:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:51:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:51:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:51:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:51:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:51:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:51:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-03-12 10:51:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-03-12 10:51:14,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:51:15,898 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 25 [2021-03-12 10:51:16,505 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 10:51:16,993 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 29 [2021-03-12 10:51:17,449 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2021-03-12 10:51:18,076 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-03-12 10:51:18,587 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 29 [2021-03-12 10:51:19,342 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 34 [2021-03-12 10:51:19,849 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 33 [2021-03-12 10:51:20,524 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2021-03-12 10:51:21,071 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 36 [2021-03-12 10:51:21,780 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36 [2021-03-12 10:51:22,325 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 35 [2021-03-12 10:51:23,123 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2021-03-12 10:51:23,693 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 37 [2021-03-12 10:51:24,375 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2021-03-12 10:51:24,943 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 39 [2021-03-12 10:51:25,625 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2021-03-12 10:51:26,188 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 41 [2021-03-12 10:51:26,886 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 44 [2021-03-12 10:51:27,440 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2021-03-12 10:51:28,208 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 46 [2021-03-12 10:51:28,807 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 45 [2021-03-12 10:51:29,601 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2021-03-12 10:51:30,154 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 48 [2021-03-12 10:51:30,950 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 50 [2021-03-12 10:51:31,587 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 49 [2021-03-12 10:51:32,302 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 53 [2021-03-12 10:51:32,888 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 52 [2021-03-12 10:51:34,023 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 108 [2021-03-12 10:51:35,356 WARN L205 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 104 [2021-03-12 10:51:36,965 WARN L205 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 125 [2021-03-12 10:51:38,434 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 193 DAG size of output: 160 [2021-03-12 10:51:39,526 WARN L205 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 126 [2021-03-12 10:51:40,645 WARN L205 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 130 [2021-03-12 10:51:41,951 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 160 DAG size of output: 137 [2021-03-12 10:51:42,875 WARN L205 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 128 [2021-03-12 10:51:44,533 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 155 DAG size of output: 142 [2021-03-12 10:51:45,005 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-03-12 10:51:45,599 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2021-03-12 10:51:49,055 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 10:51:49,517 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-03-12 10:51:51,219 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-03-12 10:51:53,620 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-03-12 10:51:54,601 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-03-12 10:51:55,449 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-12 10:51:56,511 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-03-12 10:51:57,094 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 10:51:57,544 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-12 10:51:57,991 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-03-12 10:51:58,447 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 10:51:58,889 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 10:51:59,316 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 10:51:59,745 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 10:52:00,152 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 10:52:00,567 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-03-12 10:52:00,906 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-12 10:52:02,033 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-03-12 10:52:03,412 WARN L205 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 133 [2021-03-12 10:52:03,948 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-03-12 10:52:04,269 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 10:52:04,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:52:04,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:52:04,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:52:04,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:52:04,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:52:04,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:52:04,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:52:04,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:52:04,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:52:04,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:52:04,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:52:04,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:52:04,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:52:04,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:52:04,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:52:04,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:52:04,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:52:04,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-03-12 10:52:04,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-03-12 10:52:04,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-03-12 10:52:04,634 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable597 [2021-03-12 10:52:04,635 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:52:04,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:52:04,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1387698248, now seen corresponding path program 17 times [2021-03-12 10:52:04,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:52:04,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045325349] [2021-03-12 10:52:04,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:52:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:52:05,536 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-03-12 10:52:05,772 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-03-12 10:52:06,005 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-03-12 10:52:06,247 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-03-12 10:52:06,493 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-03-12 10:52:06,750 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-03-12 10:52:07,026 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-03-12 10:52:07,303 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-03-12 10:52:07,572 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-03-12 10:52:07,872 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-03-12 10:52:08,162 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-03-12 10:52:08,503 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-03-12 10:52:08,821 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-03-12 10:52:09,264 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2021-03-12 10:52:09,748 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2021-03-12 10:52:09,976 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-03-12 10:52:10,554 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-03-12 10:52:11,618 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-03-12 10:52:12,001 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-03-12 10:52:12,676 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-03-12 10:52:13,026 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2021-03-12 10:52:13,394 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-03-12 10:52:13,765 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-03-12 10:52:14,135 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-03-12 10:52:14,511 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-03-12 10:52:15,690 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 81 proven. 401 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:52:15,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045325349] [2021-03-12 10:52:15,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733576126] [2021-03-12 10:52:15,690 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:52:15,754 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2021-03-12 10:52:15,754 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:52:15,757 WARN L261 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 138 conjunts are in the unsatisfiable core [2021-03-12 10:52:15,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:52:30,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:30,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:30,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:30,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:30,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:30,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:30,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:30,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:30,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:30,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:30,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:52:30,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:30,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:30,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:30,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:30,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:30,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:30,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:30,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 41 [2021-03-12 10:52:30,988 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 10:52:31,032 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:52:31,039 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 10:52:31,040 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:114, output treesize:5 [2021-03-12 10:52:31,375 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:52:31,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:52:31,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 39] total 75 [2021-03-12 10:52:31,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146010541] [2021-03-12 10:52:31,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-03-12 10:52:31,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:52:31,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-03-12 10:52:31,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=5070, Unknown=0, NotChecked=0, Total=5550 [2021-03-12 10:52:31,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:52:31,378 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:52:31,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 75 states, 75 states have (on average 2.066666666666667) internal successors, (155), 75 states have internal predecessors, (155), 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) [2021-03-12 10:52:31,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:52:31,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:52:31,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:52:31,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:52:31,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:52:31,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:52:31,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:52:31,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:52:31,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:52:31,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:52:31,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:52:31,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:52:31,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:52:31,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:52:31,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:52:31,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:52:31,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:52:31,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-03-12 10:52:31,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-03-12 10:52:31,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-03-12 10:52:31,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:52:33,234 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 10:52:34,475 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2021-03-12 10:52:35,528 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 29 [2021-03-12 10:52:36,556 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-03-12 10:52:37,257 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 31 [2021-03-12 10:52:38,264 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2021-03-12 10:52:38,885 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2021-03-12 10:52:39,873 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 10:52:40,607 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2021-03-12 10:52:41,674 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-03-12 10:52:42,337 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 37 [2021-03-12 10:52:43,375 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2021-03-12 10:52:44,055 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 39 [2021-03-12 10:52:45,011 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 10:52:45,637 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 41 [2021-03-12 10:52:46,681 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-03-12 10:52:47,349 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-03-12 10:52:48,367 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-03-12 10:52:49,002 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2021-03-12 10:52:50,027 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-03-12 10:52:50,694 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 48 [2021-03-12 10:52:51,745 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2021-03-12 10:52:52,464 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 51 [2021-03-12 10:52:53,578 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2021-03-12 10:52:54,277 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 51 [2021-03-12 10:52:55,572 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 101 [2021-03-12 10:52:56,382 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 57 [2021-03-12 10:52:57,921 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 155 [2021-03-12 10:52:59,639 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 180 DAG size of output: 165 [2021-03-12 10:53:00,734 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 119 [2021-03-12 10:53:01,922 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-03-12 10:53:03,204 WARN L205 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 131 [2021-03-12 10:53:05,063 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 155 DAG size of output: 136 [2021-03-12 10:53:05,647 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-03-12 10:53:06,327 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-03-12 10:53:07,272 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2021-03-12 10:53:08,240 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-03-12 10:53:08,544 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 10:53:09,221 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-03-12 10:53:09,542 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 10:53:10,211 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2021-03-12 10:53:11,246 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 10:53:11,604 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 10:53:12,305 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-03-12 10:53:12,673 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 10:53:13,401 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-03-12 10:53:14,493 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-03-12 10:53:14,880 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 10:53:15,630 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-03-12 10:53:16,032 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-12 10:53:16,791 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-03-12 10:53:17,227 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-12 10:53:17,997 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-03-12 10:53:18,415 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-03-12 10:53:19,170 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 10:53:19,813 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 10:53:20,380 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-03-12 10:53:23,050 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-03-12 10:53:24,259 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 10:53:26,563 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-03-12 10:53:28,038 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-03-12 10:53:29,335 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 10:53:31,063 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-03-12 10:53:32,077 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 10:53:33,197 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-03-12 10:53:33,903 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-03-12 10:53:34,504 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 10:53:35,824 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-03-12 10:53:36,904 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 10:53:38,173 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 10:53:38,655 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-03-12 10:53:39,167 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-03-12 10:53:40,300 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-03-12 10:53:40,802 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-03-12 10:53:41,345 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-12 10:53:42,498 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2021-03-12 10:53:42,988 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 10:53:43,507 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 10:53:44,648 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-03-12 10:53:45,652 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 10:53:46,747 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-03-12 10:53:47,741 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 10:53:48,926 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-03-12 10:53:49,929 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-03-12 10:53:51,047 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-03-12 10:53:51,575 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 10:53:52,091 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 10:53:53,288 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-03-12 10:53:54,290 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-03-12 10:53:55,378 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2021-03-12 10:53:57,436 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2021-03-12 10:53:58,792 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-03-12 10:53:59,508 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2021-03-12 10:54:00,218 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-03-12 10:54:00,944 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-03-12 10:54:02,193 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-03-12 10:54:03,111 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 126 [2021-03-12 10:54:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:54:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:54:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:54:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:54:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:54:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:54:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:54:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:54:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:54:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:54:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:54:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:54:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:54:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:54:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:54:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:54:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:54:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-03-12 10:54:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-03-12 10:54:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-03-12 10:54:03,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-03-12 10:54:03,551 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable598 [2021-03-12 10:54:03,551 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:54:03,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:54:03,552 INFO L82 PathProgramCache]: Analyzing trace with hash -491141896, now seen corresponding path program 18 times [2021-03-12 10:54:03,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:54:03,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439020155] [2021-03-12 10:54:03,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:54:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:54:04,118 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-03-12 10:54:04,408 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-03-12 10:54:04,659 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-03-12 10:54:04,914 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-03-12 10:54:05,170 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-03-12 10:54:05,468 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-03-12 10:54:05,750 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-03-12 10:54:06,037 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-03-12 10:54:06,317 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-03-12 10:54:06,607 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-03-12 10:54:06,915 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-03-12 10:54:07,202 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-03-12 10:54:07,497 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-03-12 10:54:07,819 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-03-12 10:54:08,140 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-03-12 10:54:08,603 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2021-03-12 10:54:09,105 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-03-12 10:54:09,358 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-12 10:54:10,202 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-03-12 10:54:11,311 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-03-12 10:54:11,710 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-03-12 10:54:12,420 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-03-12 10:54:12,788 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2021-03-12 10:54:13,159 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-03-12 10:54:13,549 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-03-12 10:54:13,950 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-03-12 10:54:14,317 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-03-12 10:54:15,571 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 81 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:54:15,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439020155] [2021-03-12 10:54:15,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811841029] [2021-03-12 10:54:15,572 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:54:15,625 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2021-03-12 10:54:15,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:54:15,627 WARN L261 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 151 conjunts are in the unsatisfiable core [2021-03-12 10:54:15,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:54:34,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:34,884 INFO L244 Elim1Store]: Index analysis took 518 ms [2021-03-12 10:54:35,218 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 10:54:35,220 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:54:35,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 200 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 141 [2021-03-12 10:54:35,337 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-03-12 10:54:35,569 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2021-03-12 10:54:35,571 INFO L628 ElimStorePlain]: treesize reduction 4, result has 89.7 percent of original size [2021-03-12 10:54:35,586 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 10:54:35,586 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:141, output treesize:22 [2021-03-12 10:54:36,128 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2021-03-12 10:54:36,457 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:54:36,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:54:36,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 44] total 82 [2021-03-12 10:54:36,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330422596] [2021-03-12 10:54:36,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-03-12 10:54:36,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:54:36,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-03-12 10:54:36,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=534, Invalid=6108, Unknown=0, NotChecked=0, Total=6642 [2021-03-12 10:54:36,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:54:36,460 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:54:36,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 1.9878048780487805) internal successors, (163), 82 states have internal predecessors, (163), 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) [2021-03-12 10:54:36,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:54:36,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:54:36,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:54:36,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:54:36,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:54:36,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:54:36,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:54:36,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:54:36,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:54:36,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:54:36,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:54:36,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:54:36,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:54:36,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:54:36,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:54:36,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:54:36,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:54:36,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-03-12 10:54:36,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-03-12 10:54:36,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-03-12 10:54:36,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-03-12 10:54:36,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:54:38,421 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 10:54:39,664 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2021-03-12 10:54:40,795 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2021-03-12 10:54:41,955 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-03-12 10:54:42,726 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 37 [2021-03-12 10:54:43,828 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 10:54:44,511 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2021-03-12 10:54:45,594 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 10:54:46,407 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2021-03-12 10:54:47,521 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-03-12 10:54:48,157 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 38 [2021-03-12 10:54:49,251 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2021-03-12 10:54:49,922 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 39 [2021-03-12 10:54:50,946 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 10:54:51,681 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 42 [2021-03-12 10:54:52,807 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2021-03-12 10:54:53,512 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-03-12 10:54:54,640 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-03-12 10:54:55,333 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 45 [2021-03-12 10:54:56,405 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-03-12 10:54:57,096 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 48 [2021-03-12 10:54:58,696 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 90 [2021-03-12 10:54:59,661 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 49 [2021-03-12 10:55:00,891 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 93 [2021-03-12 10:55:01,928 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 99 [2021-03-12 10:55:03,682 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 99 [2021-03-12 10:55:04,968 WARN L205 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 104 [2021-03-12 10:55:06,320 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 106 [2021-03-12 10:55:07,185 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 58 [2021-03-12 10:55:08,928 WARN L205 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 162 [2021-03-12 10:55:11,061 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 194 DAG size of output: 172 [2021-03-12 10:55:12,414 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 126 [2021-03-12 10:55:13,758 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 126 [2021-03-12 10:55:15,040 WARN L205 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 136 [2021-03-12 10:55:16,829 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 161 DAG size of output: 141 [2021-03-12 10:55:17,445 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-12 10:55:18,159 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2021-03-12 10:55:18,365 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-12 10:55:19,051 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-03-12 10:55:19,929 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2021-03-12 10:55:20,855 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-03-12 10:55:21,835 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-03-12 10:55:22,112 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 10:55:22,883 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-03-12 10:55:23,154 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 10:55:23,891 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 10:55:24,187 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 10:55:24,904 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-03-12 10:55:25,202 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 10:55:25,959 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-03-12 10:55:27,000 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-03-12 10:55:27,315 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 10:55:28,100 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-03-12 10:55:28,441 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-12 10:55:29,219 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-03-12 10:55:29,568 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-12 10:55:30,372 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-03-12 10:55:30,723 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-03-12 10:55:31,553 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 10:55:32,180 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 10:55:32,705 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-03-12 10:55:35,506 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-03-12 10:55:36,761 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 10:55:39,294 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-03-12 10:55:40,891 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-03-12 10:55:42,311 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 10:55:44,283 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-03-12 10:55:45,051 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 10:55:45,945 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 10:55:47,804 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-03-12 10:55:48,829 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-03-12 10:55:49,671 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 10:55:51,634 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-03-12 10:55:52,451 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-03-12 10:55:53,347 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 10:55:55,162 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 10:55:55,924 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-03-12 10:55:56,762 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-03-12 10:55:58,555 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-03-12 10:55:59,344 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-03-12 10:56:00,168 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 10:56:02,104 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-03-12 10:56:02,952 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 10:56:03,805 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 10:56:05,640 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-03-12 10:56:06,397 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-12 10:56:07,200 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 10:56:09,003 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-03-12 10:56:09,808 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 10:56:10,619 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-12 10:56:12,518 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2021-03-12 10:56:13,312 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 10:56:14,089 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-03-12 10:56:15,711 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-03-12 10:56:16,400 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 10:56:17,125 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 10:56:18,656 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-03-12 10:56:19,347 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 10:56:19,994 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-03-12 10:56:21,466 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2021-03-12 10:56:22,175 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 10:56:22,852 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-03-12 10:56:24,304 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2021-03-12 10:56:24,956 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-12 10:56:25,706 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-03-12 10:56:26,964 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2021-03-12 10:56:27,747 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-03-12 10:56:28,751 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-03-12 10:56:29,711 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 118 [2021-03-12 10:56:30,529 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2021-03-12 10:56:31,438 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2021-03-12 10:56:33,036 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-03-12 10:56:34,262 WARN L205 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 131 [2021-03-12 10:56:34,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:56:34,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:56:34,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:56:34,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:56:34,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:56:34,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:56:34,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:56:34,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:56:34,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:56:34,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:56:34,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:56:34,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:56:34,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:56:34,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:56:34,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:56:34,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:56:34,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:56:34,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-03-12 10:56:34,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-03-12 10:56:34,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-03-12 10:56:34,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-03-12 10:56:34,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-03-12 10:56:34,732 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable599 [2021-03-12 10:56:34,732 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:56:34,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:56:34,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1429073096, now seen corresponding path program 19 times [2021-03-12 10:56:34,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:56:34,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537880236] [2021-03-12 10:56:34,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:56:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:56:35,196 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2021-03-12 10:56:35,355 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-03-12 10:56:35,778 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-03-12 10:56:36,096 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-03-12 10:56:36,395 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-03-12 10:56:36,701 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-03-12 10:56:37,019 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-03-12 10:56:37,340 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-03-12 10:56:37,685 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-03-12 10:56:38,037 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-03-12 10:56:38,389 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-03-12 10:56:38,742 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-03-12 10:56:39,131 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-03-12 10:56:39,481 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-03-12 10:56:39,832 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-03-12 10:56:40,196 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-03-12 10:56:40,587 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2021-03-12 10:56:41,140 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2021-03-12 10:56:41,766 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2021-03-12 10:56:42,067 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-03-12 10:56:42,368 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-03-12 10:56:42,662 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-03-12 10:56:42,966 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-12 10:56:43,443 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-03-12 10:56:44,840 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-03-12 10:56:45,336 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-03-12 10:56:46,186 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-03-12 10:56:47,000 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-03-12 10:56:47,472 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-03-12 10:56:47,951 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-03-12 10:56:48,436 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-03-12 10:56:50,033 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 126 proven. 488 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:56:50,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537880236] [2021-03-12 10:56:50,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820228965] [2021-03-12 10:56:50,033 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:56:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:56:50,089 WARN L261 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 154 conjunts are in the unsatisfiable core [2021-03-12 10:56:50,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:57:12,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:12,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:12,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:12,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:12,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:12,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:57:12,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:12,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:12,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:12,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:12,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:12,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:12,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:12,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:12,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:12,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:12,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:12,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:12,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:12,438 INFO L244 Elim1Store]: Index analysis took 132 ms [2021-03-12 10:57:12,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 153 disjoint index pairs (out of 171 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 45 [2021-03-12 10:57:12,452 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 10:57:12,495 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:57:12,502 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 10:57:12,503 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:126, output treesize:5 [2021-03-12 10:57:12,878 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 0 proven. 614 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:57:12,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:57:12,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 43] total 83 [2021-03-12 10:57:12,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892035378] [2021-03-12 10:57:12,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-03-12 10:57:12,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:57:12,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-03-12 10:57:12,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=588, Invalid=6218, Unknown=0, NotChecked=0, Total=6806 [2021-03-12 10:57:12,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:57:12,880 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:57:12,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 83 states, 83 states have (on average 2.0602409638554215) internal successors, (171), 83 states have internal predecessors, (171), 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) [2021-03-12 10:57:12,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:57:12,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:57:12,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:57:12,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:57:12,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:57:12,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:57:12,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:57:12,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:57:12,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:57:12,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:57:12,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:57:12,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:57:12,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:57:12,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:57:12,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:57:12,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:57:12,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:57:12,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-03-12 10:57:12,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-03-12 10:57:12,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-03-12 10:57:12,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-03-12 10:57:12,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-03-12 10:57:12,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:57:15,129 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 10:57:16,567 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-03-12 10:57:17,779 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 30 [2021-03-12 10:57:19,039 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-03-12 10:57:19,913 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 31 [2021-03-12 10:57:21,143 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 10:57:21,962 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2021-03-12 10:57:23,233 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-03-12 10:57:24,210 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2021-03-12 10:57:25,545 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2021-03-12 10:57:26,318 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2021-03-12 10:57:27,588 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 10:57:28,381 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2021-03-12 10:57:29,601 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2021-03-12 10:57:30,414 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 45 [2021-03-12 10:57:31,723 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2021-03-12 10:57:32,547 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-03-12 10:57:33,865 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-03-12 10:57:34,664 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2021-03-12 10:57:35,999 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-03-12 10:57:36,755 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 47 [2021-03-12 10:57:38,095 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2021-03-12 10:57:38,927 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 49 [2021-03-12 10:57:40,210 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2021-03-12 10:57:40,992 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 51 [2021-03-12 10:57:42,359 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2021-03-12 10:57:43,232 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 54 [2021-03-12 10:57:44,609 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-03-12 10:57:45,403 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 55 [2021-03-12 10:57:46,792 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 111 [2021-03-12 10:57:47,780 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 61 [2021-03-12 10:57:50,328 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 183 DAG size of output: 169 [2021-03-12 10:57:52,876 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 194 DAG size of output: 179 [2021-03-12 10:57:54,352 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 129 [2021-03-12 10:57:55,709 WARN L205 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-03-12 10:57:57,074 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 160 DAG size of output: 141 [2021-03-12 10:57:59,068 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 165 DAG size of output: 146 [2021-03-12 10:57:59,685 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-03-12 10:58:00,479 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2021-03-12 10:58:00,841 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-03-12 10:58:01,647 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2021-03-12 10:58:02,006 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-12 10:58:02,792 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-03-12 10:58:03,183 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-03-12 10:58:03,979 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2021-03-12 10:58:04,347 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 10:58:05,137 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-03-12 10:58:05,509 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 10:58:06,329 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-03-12 10:58:06,750 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 10:58:07,615 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2021-03-12 10:58:08,048 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 10:58:08,924 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 10:58:09,387 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 10:58:10,283 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-03-12 10:58:10,795 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 10:58:11,765 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-03-12 10:58:12,247 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 10:58:13,118 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-03-12 10:58:13,620 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 10:58:14,561 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-03-12 10:58:15,059 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-12 10:58:15,946 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-03-12 10:58:16,472 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-12 10:58:17,352 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-03-12 10:58:17,841 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-03-12 10:58:18,729 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 10:58:19,493 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 10:58:20,193 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-03-12 10:58:23,161 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-03-12 10:58:24,482 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 10:58:27,070 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-03-12 10:58:28,689 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-03-12 10:58:30,107 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 10:58:32,220 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-03-12 10:58:33,025 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 10:58:33,913 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 10:58:35,800 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-03-12 10:58:36,842 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-03-12 10:58:37,680 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 10:58:39,592 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-03-12 10:58:40,376 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-03-12 10:58:41,271 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 10:58:43,212 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 10:58:44,031 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-03-12 10:58:44,907 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-03-12 10:58:46,725 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-03-12 10:58:47,527 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-03-12 10:58:48,444 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 10:58:50,402 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-03-12 10:58:51,200 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 10:58:52,105 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 10:58:54,038 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-03-12 10:58:54,902 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-12 10:58:55,808 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 10:58:57,685 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-03-12 10:58:58,524 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 10:58:59,320 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 10:59:01,060 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-03-12 10:59:01,835 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 10:59:02,636 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-03-12 10:59:04,361 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-03-12 10:59:05,142 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 10:59:05,933 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 10:59:07,565 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-03-12 10:59:08,320 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 10:59:09,094 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-03-12 10:59:10,810 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2021-03-12 10:59:11,552 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 10:59:12,327 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-03-12 10:59:14,002 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2021-03-12 10:59:14,772 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-12 10:59:15,506 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-12 10:59:17,159 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2021-03-12 10:59:17,919 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-03-12 10:59:18,783 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-03-12 10:59:20,221 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2021-03-12 10:59:20,958 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-03-12 10:59:22,475 WARN L205 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-03-12 10:59:23,687 WARN L205 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 123 [2021-03-12 10:59:24,799 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-03-12 10:59:25,883 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2021-03-12 10:59:27,736 WARN L205 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-03-12 10:59:29,388 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 154 DAG size of output: 136 [2021-03-12 10:59:29,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:59:29,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:59:29,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:59:29,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:59:29,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:59:29,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:59:29,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:59:29,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:59:29,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:59:29,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:59:29,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:59:29,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:59:29,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:59:29,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:59:29,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:59:29,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:59:29,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:59:29,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-03-12 10:59:29,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-03-12 10:59:29,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-03-12 10:59:29,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-03-12 10:59:29,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-03-12 10:59:29,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2021-03-12 10:59:29,895 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable620,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:59:29,895 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:59:29,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:59:29,896 INFO L82 PathProgramCache]: Analyzing trace with hash -632188296, now seen corresponding path program 20 times [2021-03-12 10:59:29,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:59:29,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933952454] [2021-03-12 10:59:29,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:59:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:59:30,504 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2021-03-12 10:59:30,715 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-03-12 10:59:30,893 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-03-12 10:59:31,325 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-03-12 10:59:31,726 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-03-12 10:59:32,101 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-03-12 10:59:32,508 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-03-12 10:59:32,940 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-03-12 10:59:33,406 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-03-12 10:59:33,885 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-03-12 10:59:34,324 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-03-12 10:59:34,803 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-03-12 10:59:35,271 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-03-12 10:59:35,712 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-03-12 10:59:36,174 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-03-12 10:59:36,630 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-03-12 10:59:37,140 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-03-12 10:59:37,637 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2021-03-12 10:59:38,178 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2021-03-12 10:59:38,929 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2021-03-12 10:59:39,752 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2021-03-12 10:59:40,122 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-12 10:59:40,485 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-12 10:59:40,844 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-03-12 10:59:41,188 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-03-12 10:59:41,564 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-12 10:59:42,152 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-03-12 10:59:42,504 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 10:59:42,914 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 10:59:43,354 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 10:59:43,988 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-03-12 10:59:44,625 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-03-12 10:59:45,097 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 10:59:45,844 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2021-03-12 10:59:46,499 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2021-03-12 10:59:47,214 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-03-12 10:59:47,891 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-03-12 10:59:48,587 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-03-12 10:59:49,330 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-03-12 10:59:49,845 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2021-03-12 10:59:51,738 INFO L134 CoverageAnalysis]: Checked inductivity of 686 backedges. 126 proven. 560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:59:51,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933952454] [2021-03-12 10:59:51,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195832387] [2021-03-12 10:59:51,739 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:59:51,798 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 10:59:51,799 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:59:51,801 WARN L261 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 162 conjunts are in the unsatisfiable core [2021-03-12 10:59:51,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:59:53,470 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-03-12 10:59:54,036 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-03-12 10:59:54,622 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-03-12 10:59:55,292 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 10:59:55,888 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-03-12 10:59:56,490 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-03-12 10:59:57,072 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-03-12 10:59:57,662 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-12 10:59:58,286 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-03-12 10:59:58,924 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-03-12 10:59:59,574 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 11:00:00,289 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 11:00:00,981 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-03-12 11:00:01,712 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-12 11:00:02,502 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 11:00:03,255 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-03-12 11:00:03,905 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 11:00:04,642 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 11:00:08,616 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 11:00:12,768 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 11:00:13,678 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 11:00:14,573 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 11:00:15,458 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 11:00:16,325 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 11:00:20,124 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 11:00:21,126 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 11:00:22,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:22,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:22,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:22,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:22,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:22,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:22,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:22,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:22,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:22,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:22,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:22,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:22,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:22,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:22,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:22,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:22,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:22,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:22,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 11:00:22,574 INFO L244 Elim1Store]: Index analysis took 119 ms [2021-03-12 11:00:22,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 171 disjoint index pairs (out of 190 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 47 [2021-03-12 11:00:22,592 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 11:00:22,649 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 11:00:22,659 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 11:00:22,659 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:132, output treesize:5 [2021-03-12 11:00:23,183 INFO L134 CoverageAnalysis]: Checked inductivity of 686 backedges. 0 proven. 686 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 11:00:23,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 11:00:23,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 45] total 87 [2021-03-12 11:00:23,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772626980] [2021-03-12 11:00:23,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 87 states [2021-03-12 11:00:23,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 11:00:23,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-03-12 11:00:23,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=635, Invalid=6847, Unknown=0, NotChecked=0, Total=7482 [2021-03-12 11:00:23,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 11:00:23,185 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 11:00:23,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 87 states, 87 states have (on average 2.057471264367816) internal successors, (179), 87 states have internal predecessors, (179), 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) [2021-03-12 11:00:23,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 11:00:23,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 11:00:23,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 11:00:23,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 11:00:23,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 11:00:23,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 11:00:23,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 11:00:23,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 11:00:23,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 11:00:23,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 11:00:23,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 11:00:23,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 11:00:23,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 11:00:23,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 11:00:23,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 11:00:23,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 11:00:23,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 11:00:23,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-03-12 11:00:23,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-03-12 11:00:23,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-03-12 11:00:23,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-03-12 11:00:23,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-03-12 11:00:23,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2021-03-12 11:00:23,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 11:00:25,936 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-03-12 11:00:27,837 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2021-03-12 11:00:29,523 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2021-03-12 11:00:31,329 WARN L205 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-03-12 11:00:32,694 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 31 [2021-03-12 11:00:34,434 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 11:00:35,519 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2021-03-12 11:00:37,186 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 11:00:38,321 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2021-03-12 11:00:39,921 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-03-12 11:00:40,977 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 38 [2021-03-12 11:00:42,516 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 11:00:43,473 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2021-03-12 11:00:44,850 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2021-03-12 11:00:45,784 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 44 [2021-03-12 11:00:47,235 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2021-03-12 11:00:48,225 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-03-12 11:00:49,740 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-03-12 11:00:50,675 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 46 [2021-03-12 11:00:52,137 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2021-03-12 11:00:53,098 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 49 [2021-03-12 11:00:54,737 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2021-03-12 11:00:55,679 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 52 [2021-03-12 11:00:57,141 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2021-03-12 11:00:58,067 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 51 [2021-03-12 11:00:59,531 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2021-03-12 11:01:00,683 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 53 [2021-03-12 11:01:02,313 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-03-12 11:01:03,304 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 55 [2021-03-12 11:01:04,845 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 110 [2021-03-12 11:01:05,870 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 57 [2021-03-12 11:01:07,786 WARN L205 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 116 [2021-03-12 11:01:09,148 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 63 [2021-03-12 11:01:11,606 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 190 DAG size of output: 176 [2021-03-12 11:01:14,548 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 201 DAG size of output: 186 [2021-03-12 11:01:16,250 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 134 [2021-03-12 11:01:18,150 WARN L205 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 136 [2021-03-12 11:01:19,972 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 165 DAG size of output: 146 [2021-03-12 11:01:22,541 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 170 DAG size of output: 151 [2021-03-12 11:01:23,324 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-03-12 11:01:24,327 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 92 [2021-03-12 11:01:24,737 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-03-12 11:01:25,623 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2021-03-12 11:01:26,043 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-03-12 11:01:26,965 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2021-03-12 11:01:27,433 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 11:01:28,404 WARN L205 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2021-03-12 11:01:28,839 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-03-12 11:01:29,776 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2021-03-12 11:01:30,247 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 11:01:31,204 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-03-12 11:01:31,704 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 11:01:32,708 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-03-12 11:01:33,255 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 11:01:34,274 WARN L205 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2021-03-12 11:01:34,812 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 11:01:35,801 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 11:01:36,350 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 11:01:37,366 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-03-12 11:01:37,963 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 11:01:39,037 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-03-12 11:01:39,603 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 11:01:40,608 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-03-12 11:01:41,204 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 11:01:42,311 WARN L205 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-03-12 11:01:42,931 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-12 11:01:44,084 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-03-12 11:01:44,754 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-12 11:01:45,840 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-03-12 11:01:46,490 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-03-12 11:01:47,600 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 11:01:48,566 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 11:01:49,446 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-03-12 11:01:50,041 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-03-12 11:01:53,163 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-03-12 11:01:54,750 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 11:01:58,116 WARN L205 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-03-12 11:02:00,345 WARN L205 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-03-12 11:02:02,300 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 11:02:04,690 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-03-12 11:02:05,648 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 11:02:06,797 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 11:02:09,111 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-03-12 11:02:10,407 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-03-12 11:02:11,573 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 11:02:14,044 WARN L205 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 Received shutdown request... [2021-03-12 11:02:14,634 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable621 [2021-03-12 11:02:14,635 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-12 11:02:14,643 WARN L224 ceAbstractionStarter]: Timeout [2021-03-12 11:02:14,644 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 11:02:14 BasicIcfg [2021-03-12 11:02:14,644 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 11:02:14,644 INFO L168 Benchmark]: Toolchain (without parser) took 830162.44 ms. Allocated memory was 255.9 MB in the beginning and 627.0 MB in the end (delta: 371.2 MB). Free memory was 236.6 MB in the beginning and 264.0 MB in the end (delta: -27.4 MB). Peak memory consumption was 344.2 MB. Max. memory is 16.0 GB. [2021-03-12 11:02:14,644 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 11:02:14,645 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.64 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 11:02:14,645 INFO L168 Benchmark]: Boogie Preprocessor took 27.55 ms. Allocated memory is still 255.9 MB. Free memory was 234.6 MB in the beginning and 233.6 MB in the end (delta: 945.4 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-12 11:02:14,645 INFO L168 Benchmark]: RCFGBuilder took 427.48 ms. Allocated memory is still 255.9 MB. Free memory was 233.6 MB in the beginning and 235.4 MB in the end (delta: -1.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.0 GB. [2021-03-12 11:02:14,645 INFO L168 Benchmark]: TraceAbstraction took 829666.43 ms. Allocated memory was 255.9 MB in the beginning and 627.0 MB in the end (delta: 371.2 MB). Free memory was 235.0 MB in the beginning and 264.0 MB in the end (delta: -29.0 MB). Peak memory consumption was 341.1 MB. Max. memory is 16.0 GB. [2021-03-12 11:02:14,645 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 0.18 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 29.64 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.55 ms. Allocated memory is still 255.9 MB. Free memory was 234.6 MB in the beginning and 233.6 MB in the end (delta: 945.4 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 427.48 ms. Allocated memory is still 255.9 MB. Free memory was 233.6 MB in the beginning and 235.4 MB in the end (delta: -1.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 829666.43 ms. Allocated memory was 255.9 MB in the beginning and 627.0 MB in the end (delta: 371.2 MB). Free memory was 235.0 MB in the beginning and 264.0 MB in the end (delta: -29.0 MB). Peak memory consumption was 341.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32749, positive: 28643, positive conditional: 28643, positive unconditional: 0, negative: 4106, negative conditional: 4106, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 28643, positive: 28643, positive conditional: 28643, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 28643, positive: 28643, positive conditional: 0, positive unconditional: 28643, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 39, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28643, positive: 28604, positive conditional: 0, positive unconditional: 28604, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 39, unknown conditional: 0, unknown unconditional: 39] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 4106 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 66). Cancelled while executing SleepSetDelayReduction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 829544.5ms, OverallIterations: 24, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.4ms, PartialOrderReductionTime: 613576.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1258, 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: 186.9ms SsaConstructionTime, 1053.2ms SatisfiabilityAnalysisTime, 209180.9ms InterpolantComputationTime, 2462 NumberOfCodeBlocks, 2462 NumberOfCodeBlocksAsserted, 144 NumberOfCheckSat, 2416 ConstructedInterpolants, 306 QuantifiedInterpolants, 142510 SizeOfPredicates, 114 NumberOfNonLiveVariables, 3096 ConjunctsInSsa, 1401 ConjunctsInUnsatCore, 46 InterpolantComputations, 2 PerfectInterpolantSequences, 1666/9557 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown