/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/chl/array-int-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a865e3bea3ade1065a4c95009cfa501fe03c5538-a865e3b [2021-02-19 21:09:23,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 21:09:23,589 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 21:09:23,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-19 21:09:23,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 21:09:23,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 21:09:23,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 21:09:23,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 21:09:23,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 21:09:23,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 21:09:23,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 21:09:23,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 21:09:23,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 21:09:23,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 21:09:23,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 21:09:23,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 21:09:23,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-19 21:09:23,649 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 [2021-02-19 21:09:23,679 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 21:09:23,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 21:09:23,679 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-02-19 21:09:23,680 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-02-19 21:09:23,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 21:09:23,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 21:09:23,681 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 21:09:23,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 21:09:23,681 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 21:09:23,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 21:09:23,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 21:09:23,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 21:09:23,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 21:09:23,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 21:09:23,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 21:09:23,682 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 21:09:23,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 21:09:23,682 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 21:09:23,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 21:09:23,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 21:09:23,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 21:09:23,683 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-19 21:09:23,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 21:09:23,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 21:09:23,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 21:09:23,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 21:09:23,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 21:09:23,684 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 21:09:23,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 21:09:23,684 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-19 21:09:23,684 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-19 21:09:23,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 21:09:23,684 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-02-19 21:09:23,685 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 21:09:23,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 21:09:23,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 21:09:23,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 21:09:23,930 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-02-19 21:09:23,931 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-02-19 21:09:23,931 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl [2021-02-19 21:09:23,932 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl' [2021-02-19 21:09:24,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 21:09:24,249 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 21:09:24,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-19 21:09:24,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-19 21:09:24,250 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-19 21:09:24,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:09:24" (1/1) ... [2021-02-19 21:09:24,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:09:24" (1/1) ... [2021-02-19 21:09:24,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-19 21:09:24,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 21:09:24,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 21:09:24,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 21:09:24,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:09:24" (1/1) ... [2021-02-19 21:09:24,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:09:24" (1/1) ... [2021-02-19 21:09:24,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:09:24" (1/1) ... [2021-02-19 21:09:24,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:09:24" (1/1) ... [2021-02-19 21:09:24,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:09:24" (1/1) ... [2021-02-19 21:09:24,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:09:24" (1/1) ... [2021-02-19 21:09:24,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:09:24" (1/1) ... [2021-02-19 21:09:24,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 21:09:24,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 21:09:24,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 21:09:24,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 21:09:24,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:09:24" (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 [2021-02-19 21:09:24,331 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-02-19 21:09:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-02-19 21:09:24,331 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-02-19 21:09:24,331 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-02-19 21:09:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-02-19 21:09:24,331 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-02-19 21:09:24,332 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-02-19 21:09:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 21:09:24,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 21:09:24,333 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-19 21:09:24,496 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 21:09:24,496 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-02-19 21:09:24,497 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-02-19 21:09:24,497 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-02-19 21:09:24,498 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:09:24 BoogieIcfgContainer [2021-02-19 21:09:24,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 21:09:24,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 21:09:24,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 21:09:24,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 21:09:24,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:09:24" (1/2) ... [2021-02-19 21:09:24,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@386cc077 and model type array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:09:24, skipping insertion in model container [2021-02-19 21:09:24,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:09:24" (2/2) ... [2021-02-19 21:09:24,503 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-symm.wvr.bpl [2021-02-19 21:09:24,506 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-19 21:09:24,506 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 21:09:24,531 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 21:09:24,532 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-19 21:09:24,570 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-02-19 21:09:24,581 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-02-19 21:09:24,597 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 21:09:24,597 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 21:09:24,597 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 21:09:24,597 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 21:09:24,597 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 21:09:24,597 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 21:09:24,598 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 21:09:24,598 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 21:09:24,615 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:09:24,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:09:24,618 INFO L82 PathProgramCache]: Analyzing trace with hash -381977337, now seen corresponding path program 1 times [2021-02-19 21:09:24,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:09:24,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097795724] [2021-02-19 21:09:24,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:09:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:24,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:24,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097795724] [2021-02-19 21:09:24,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 21:09:24,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 21:09:24,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910728937] [2021-02-19 21:09:24,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 21:09:24,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:09:24,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 21:09:24,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 21:09:24,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:24,773 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:09:24,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-02-19 21:09:24,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:24,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:24,905 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 21:09:24,905 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:09:24,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:09:24,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1042522285, now seen corresponding path program 1 times [2021-02-19 21:09:24,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:09:24,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620738473] [2021-02-19 21:09:24,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:09:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:24,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:24,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620738473] [2021-02-19 21:09:24,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 21:09:24,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-19 21:09:24,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378775630] [2021-02-19 21:09:24,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-19 21:09:24,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:09:24,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-19 21:09:24,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-19 21:09:24,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:24,957 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:09:24,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2021-02-19 21:09:24,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:24,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:25,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:25,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:25,050 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 21:09:25,050 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:09:25,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:09:25,051 INFO L82 PathProgramCache]: Analyzing trace with hash -707752677, now seen corresponding path program 1 times [2021-02-19 21:09:25,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:09:25,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839055870] [2021-02-19 21:09:25,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:09:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:25,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:25,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839055870] [2021-02-19 21:09:25,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943452299] [2021-02-19 21:09:25,097 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 [2021-02-19 21:09:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:25,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2021-02-19 21:09:25,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:09:25,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:25,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:09:25,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-02-19 21:09:25,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733452502] [2021-02-19 21:09:25,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-19 21:09:25,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:09:25,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-19 21:09:25,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-19 21:09:25,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:25,226 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:09:25,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2021-02-19 21:09:25,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:25,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:25,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:25,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:25,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:25,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:25,502 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:09:25,502 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:09:25,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:09:25,503 INFO L82 PathProgramCache]: Analyzing trace with hash -466578663, now seen corresponding path program 1 times [2021-02-19 21:09:25,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:09:25,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431732164] [2021-02-19 21:09:25,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:09:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:25,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:25,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431732164] [2021-02-19 21:09:25,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119276023] [2021-02-19 21:09:25,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-02-19 21:09:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:25,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 17 conjunts are in the unsatisfiable core [2021-02-19 21:09:25,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:09:26,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:26,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:26,134 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 27 treesize of output 21 [2021-02-19 21:09:26,136 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:26,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:26,140 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 25 treesize of output 19 [2021-02-19 21:09:26,147 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:26,160 INFO L628 ElimStorePlain]: treesize reduction 73, result has 13.1 percent of original size [2021-02-19 21:09:26,160 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:09:26,162 INFO L518 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2021-02-19 21:09:26,162 INFO L518 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2021-02-19 21:09:26,163 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:09:26,163 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:107, output treesize:11 [2021-02-19 21:09:26,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:26,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:09:26,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-02-19 21:09:26,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957475344] [2021-02-19 21:09:26,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-19 21:09:26,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:09:26,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-19 21:09:26,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-02-19 21:09:26,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:26,188 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:09:26,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 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) [2021-02-19 21:09:26,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:26,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:26,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:26,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:26,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:26,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:26,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:26,598 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:09:26,598 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:09:26,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:09:26,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1580118821, now seen corresponding path program 2 times [2021-02-19 21:09:26,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:09:26,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560268229] [2021-02-19 21:09:26,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:09:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:26,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:26,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560268229] [2021-02-19 21:09:26,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125471367] [2021-02-19 21:09:26,659 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 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 [2021-02-19 21:09:26,684 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 21:09:26,685 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:09:26,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-02-19 21:09:26,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:09:26,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:26,773 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 17 treesize of output 13 [2021-02-19 21:09:26,774 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:26,776 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-02-19 21:09:26,777 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:26,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:26,788 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 16 treesize of output 12 [2021-02-19 21:09:26,789 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:26,791 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-02-19 21:09:26,791 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:26,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:09:26,795 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:26,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:09:26,798 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:26,823 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-02-19 21:09:26,823 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:09:26,824 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-02-19 21:09:26,824 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-02-19 21:09:26,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:26,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:09:26,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-02-19 21:09:26,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843571241] [2021-02-19 21:09:26,854 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-19 21:09:26,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:09:26,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-19 21:09:26,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-02-19 21:09:26,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:26,856 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:09:26,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 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) [2021-02-19 21:09:26,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:26,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:26,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:26,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:26,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:27,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:27,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:27,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:27,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:27,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:27,363 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:09:27,363 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:09:27,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:09:27,364 INFO L82 PathProgramCache]: Analyzing trace with hash -4067795, now seen corresponding path program 3 times [2021-02-19 21:09:27,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:09:27,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510727568] [2021-02-19 21:09:27,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:09:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:27,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:27,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510727568] [2021-02-19 21:09:27,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024122419] [2021-02-19 21:09:27,411 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 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 [2021-02-19 21:09:27,445 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-02-19 21:09:27,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:09:27,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-02-19 21:09:27,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:09:27,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:27,514 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 15 treesize of output 11 [2021-02-19 21:09:27,515 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:27,517 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 16 treesize of output 12 [2021-02-19 21:09:27,518 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:27,530 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-02-19 21:09:27,530 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:09:27,531 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:09:27,531 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-02-19 21:09:27,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:27,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:09:27,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-02-19 21:09:27,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502557886] [2021-02-19 21:09:27,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-19 21:09:27,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:09:27,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-19 21:09:27,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-02-19 21:09:27,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:27,551 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:09:27,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 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) [2021-02-19 21:09:27,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:27,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:27,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:27,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:27,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:27,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:27,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:27,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:27,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:27,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:27,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:27,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:27,856 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-02-19 21:09:27,857 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:09:27,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:09:27,857 INFO L82 PathProgramCache]: Analyzing trace with hash -127183801, now seen corresponding path program 4 times [2021-02-19 21:09:27,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:09:27,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27821414] [2021-02-19 21:09:27,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:09:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:28,197 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:28,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27821414] [2021-02-19 21:09:28,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473009808] [2021-02-19 21:09:28,198 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 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 [2021-02-19 21:09:28,221 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 21:09:28,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:09:28,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2021-02-19 21:09:28,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:09:28,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:28,596 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:28,597 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:28,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-02-19 21:09:28,599 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:28,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:28,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:28,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-02-19 21:09:28,605 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:28,616 INFO L628 ElimStorePlain]: treesize reduction 88, result has 11.1 percent of original size [2021-02-19 21:09:28,616 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-02-19 21:09:28,616 INFO L518 ElimStorePlain]: Eliminatee v_prenex_10 vanished before elimination [2021-02-19 21:09:28,616 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:09:28,617 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:09:28,617 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:140, output treesize:11 [2021-02-19 21:09:28,640 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:28,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:09:28,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2021-02-19 21:09:28,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443436818] [2021-02-19 21:09:28,641 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-19 21:09:28,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:09:28,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-19 21:09:28,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-02-19 21:09:28,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:28,642 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:09:28,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 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) [2021-02-19 21:09:28,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:28,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:28,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:28,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:28,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:28,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:28,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:29,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:29,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:29,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:29,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:29,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:29,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:29,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:29,445 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:09:29,445 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:09:29,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:09:29,445 INFO L82 PathProgramCache]: Analyzing trace with hash 351187309, now seen corresponding path program 5 times [2021-02-19 21:09:29,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:09:29,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644998687] [2021-02-19 21:09:29,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:09:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:29,516 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:29,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644998687] [2021-02-19 21:09:29,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534022276] [2021-02-19 21:09:29,517 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 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 [2021-02-19 21:09:29,536 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-02-19 21:09:29,536 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:09:29,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-02-19 21:09:29,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:09:29,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-02-19 21:09:29,634 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:29,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:29,636 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 17 treesize of output 13 [2021-02-19 21:09:29,637 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:29,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:09:29,640 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:29,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:29,643 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 16 treesize of output 12 [2021-02-19 21:09:29,643 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:29,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:09:29,646 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:29,647 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-02-19 21:09:29,648 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:29,667 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-02-19 21:09:29,667 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:09:29,668 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-02-19 21:09:29,668 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-02-19 21:09:29,700 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:29,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:09:29,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-02-19 21:09:29,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405452585] [2021-02-19 21:09:29,701 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-19 21:09:29,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:09:29,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-19 21:09:29,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-02-19 21:09:29,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:29,701 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:09:29,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 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) [2021-02-19 21:09:29,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:29,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:29,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:29,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:29,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:29,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:29,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:29,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:30,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:30,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:30,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:30,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:30,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:30,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:30,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:30,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:30,269 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-02-19 21:09:30,269 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:09:30,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:09:30,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1964128859, now seen corresponding path program 6 times [2021-02-19 21:09:30,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:09:30,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932649013] [2021-02-19 21:09:30,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:09:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:30,332 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:30,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932649013] [2021-02-19 21:09:30,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140940427] [2021-02-19 21:09:30,332 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 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 [2021-02-19 21:09:30,353 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-02-19 21:09:30,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:09:30,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-02-19 21:09:30,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:09:30,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:30,430 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 15 treesize of output 11 [2021-02-19 21:09:30,431 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:30,433 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 16 treesize of output 12 [2021-02-19 21:09:30,433 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:30,445 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-02-19 21:09:30,446 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:09:30,447 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:09:30,447 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-02-19 21:09:30,468 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:30,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:09:30,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-02-19 21:09:30,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275302719] [2021-02-19 21:09:30,470 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-19 21:09:30,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:09:30,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-19 21:09:30,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-02-19 21:09:30,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:30,471 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:09:30,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 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) [2021-02-19 21:09:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:30,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:30,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:30,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:30,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:30,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:30,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:30,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:30,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:30,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:30,796 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2021-02-19 21:09:30,796 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:09:30,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:09:30,796 INFO L82 PathProgramCache]: Analyzing trace with hash 757370329, now seen corresponding path program 7 times [2021-02-19 21:09:30,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:09:30,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259710476] [2021-02-19 21:09:30,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:09:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:31,077 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:31,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259710476] [2021-02-19 21:09:31,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040241738] [2021-02-19 21:09:31,078 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 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 [2021-02-19 21:09:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:31,100 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 41 conjunts are in the unsatisfiable core [2021-02-19 21:09:31,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:09:31,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:31,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:31,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:31,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:31,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:31,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:31,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-02-19 21:09:31,618 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:31,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:31,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:31,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:31,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:31,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:31,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-02-19 21:09:31,626 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:31,636 INFO L628 ElimStorePlain]: treesize reduction 99, result has 10.0 percent of original size [2021-02-19 21:09:31,636 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:09:31,636 INFO L518 ElimStorePlain]: Eliminatee v_prenex_14 vanished before elimination [2021-02-19 21:09:31,636 INFO L518 ElimStorePlain]: Eliminatee v_prenex_15 vanished before elimination [2021-02-19 21:09:31,637 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:09:31,637 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:173, output treesize:11 [2021-02-19 21:09:31,660 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:31,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:09:31,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-02-19 21:09:31,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817759079] [2021-02-19 21:09:31,661 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-02-19 21:09:31,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:09:31,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-02-19 21:09:31,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-02-19 21:09:31,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:31,662 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:09:31,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 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) [2021-02-19 21:09:31,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:31,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:31,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:31,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:31,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:31,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:31,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:31,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:31,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:31,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:32,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:32,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:32,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:32,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:32,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:32,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:32,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:32,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:32,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:32,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:09:32,684 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:09:32,684 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:09:32,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:09:32,684 INFO L82 PathProgramCache]: Analyzing trace with hash 2002561563, now seen corresponding path program 8 times [2021-02-19 21:09:32,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:09:32,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658605320] [2021-02-19 21:09:32,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:09:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:32,779 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:32,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658605320] [2021-02-19 21:09:32,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500057614] [2021-02-19 21:09:32,779 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 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 [2021-02-19 21:09:32,800 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 21:09:32,801 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:09:32,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-02-19 21:09:32,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:09:32,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:09:32,908 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:32,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:32,910 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 17 treesize of output 13 [2021-02-19 21:09:32,911 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:32,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:09:32,914 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:32,916 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-02-19 21:09:32,917 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:32,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:32,919 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 16 treesize of output 12 [2021-02-19 21:09:32,920 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:32,922 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-02-19 21:09:32,922 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:32,941 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-02-19 21:09:32,942 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:09:32,942 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-02-19 21:09:32,942 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-02-19 21:09:32,967 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:32,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:09:32,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-02-19 21:09:32,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802829395] [2021-02-19 21:09:32,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-02-19 21:09:32,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:09:32,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-02-19 21:09:32,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-02-19 21:09:32,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:32,968 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:09:32,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 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) [2021-02-19 21:09:32,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:32,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:32,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:32,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:32,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:32,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:32,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:32,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:32,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:32,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:09:32,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:33,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:33,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:33,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:33,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:33,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:33,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:33,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:33,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:33,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:33,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:09:33,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:09:33,622 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:09:33,622 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:09:33,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:09:33,622 INFO L82 PathProgramCache]: Analyzing trace with hash 464142061, now seen corresponding path program 9 times [2021-02-19 21:09:33,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:09:33,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530444898] [2021-02-19 21:09:33,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:09:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:33,728 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:33,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530444898] [2021-02-19 21:09:33,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749963646] [2021-02-19 21:09:33,728 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 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 [2021-02-19 21:09:33,750 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-02-19 21:09:33,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:09:33,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-02-19 21:09:33,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:09:33,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:33,855 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 15 treesize of output 11 [2021-02-19 21:09:33,858 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:33,860 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 16 treesize of output 12 [2021-02-19 21:09:33,861 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:33,874 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-02-19 21:09:33,874 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:09:33,874 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:09:33,874 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-02-19 21:09:33,891 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:33,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:09:33,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-02-19 21:09:33,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48752769] [2021-02-19 21:09:33,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-02-19 21:09:33,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:09:33,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-02-19 21:09:33,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-02-19 21:09:33,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:33,893 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:09:33,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 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) [2021-02-19 21:09:33,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:33,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:33,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:33,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:33,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:33,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:33,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:33,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:33,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:33,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:09:33,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:09:33,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:34,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:34,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:34,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:34,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:34,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:34,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:34,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:34,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:34,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:34,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:09:34,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:09:34,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:34,298 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2021-02-19 21:09:34,302 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:09:34,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:09:34,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1502419847, now seen corresponding path program 10 times [2021-02-19 21:09:34,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:09:34,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453945923] [2021-02-19 21:09:34,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:09:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:34,756 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:34,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453945923] [2021-02-19 21:09:34,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614986516] [2021-02-19 21:09:34,756 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 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 [2021-02-19 21:09:34,779 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 21:09:34,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:09:34,780 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 53 conjunts are in the unsatisfiable core [2021-02-19 21:09:34,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:09:35,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:35,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:35,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:35,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:35,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:35,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:35,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:35,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:35,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:35,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:35,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:35,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-02-19 21:09:35,551 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:35,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:35,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:35,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:35,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:35,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:35,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:35,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:35,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:35,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:35,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:35,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-02-19 21:09:35,563 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:35,575 INFO L628 ElimStorePlain]: treesize reduction 116, result has 8.7 percent of original size [2021-02-19 21:09:35,575 INFO L518 ElimStorePlain]: Eliminatee v_prenex_19 vanished before elimination [2021-02-19 21:09:35,575 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:09:35,575 INFO L518 ElimStorePlain]: Eliminatee v_prenex_20 vanished before elimination [2021-02-19 21:09:35,576 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:09:35,576 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:206, output treesize:11 [2021-02-19 21:09:35,587 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:35,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:09:35,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 21 [2021-02-19 21:09:35,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000291846] [2021-02-19 21:09:35,588 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-02-19 21:09:35,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:09:35,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-02-19 21:09:35,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2021-02-19 21:09:35,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:35,588 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:09:35,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 21 states have internal predecessors, (29), 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) [2021-02-19 21:09:35,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:35,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:35,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:35,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:35,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:35,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:35,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:35,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:35,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:35,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:09:35,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:09:35,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:35,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:36,410 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-02-19 21:09:36,794 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-02-19 21:09:36,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:36,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:36,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:36,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:36,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:36,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:36,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:36,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:36,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:36,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:09:36,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:09:36,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:36,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:09:37,121 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-02-19 21:09:37,122 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:09:37,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:09:37,122 INFO L82 PathProgramCache]: Analyzing trace with hash -670707155, now seen corresponding path program 11 times [2021-02-19 21:09:37,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:09:37,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695460806] [2021-02-19 21:09:37,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:09:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:37,230 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:37,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695460806] [2021-02-19 21:09:37,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040015639] [2021-02-19 21:09:37,230 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 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 [2021-02-19 21:09:37,253 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-02-19 21:09:37,253 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:09:37,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-02-19 21:09:37,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:09:37,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-02-19 21:09:37,405 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:37,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:09:37,407 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:37,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:09:37,411 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:37,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-02-19 21:09:37,413 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:37,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:37,416 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 16 treesize of output 12 [2021-02-19 21:09:37,416 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:37,418 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 17 treesize of output 13 [2021-02-19 21:09:37,419 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:37,440 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-02-19 21:09:37,441 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:09:37,441 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-02-19 21:09:37,441 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-02-19 21:09:37,467 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:37,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:09:37,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-02-19 21:09:37,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059362619] [2021-02-19 21:09:37,468 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-19 21:09:37,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:09:37,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-19 21:09:37,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-02-19 21:09:37,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:37,469 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:09:37,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 states have internal predecessors, (27), 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) [2021-02-19 21:09:37,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:37,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:37,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:37,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:37,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:37,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:37,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:37,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:37,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:37,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:09:37,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:09:37,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:37,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:09:37,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:09:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:09:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:38,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:09:38,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:09:38,257 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89 [2021-02-19 21:09:38,257 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:09:38,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:09:38,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1117071461, now seen corresponding path program 12 times [2021-02-19 21:09:38,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:09:38,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261032810] [2021-02-19 21:09:38,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:09:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:38,369 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:38,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261032810] [2021-02-19 21:09:38,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231275899] [2021-02-19 21:09:38,369 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 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 [2021-02-19 21:09:38,394 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-02-19 21:09:38,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:09:38,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-02-19 21:09:38,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:09:38,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:38,516 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 15 treesize of output 11 [2021-02-19 21:09:38,517 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:38,519 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 16 treesize of output 12 [2021-02-19 21:09:38,519 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:38,533 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-02-19 21:09:38,533 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:09:38,533 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:09:38,533 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-02-19 21:09:38,554 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:38,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:09:38,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-02-19 21:09:38,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218015591] [2021-02-19 21:09:38,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-19 21:09:38,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:09:38,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-19 21:09:38,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-02-19 21:09:38,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:38,555 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:09:38,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 states have internal predecessors, (27), 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) [2021-02-19 21:09:38,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:38,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:38,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:38,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:38,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:38,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:38,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:38,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:38,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:38,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:09:38,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:09:38,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:38,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:09:38,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:09:38,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:38,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:38,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:38,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:38,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:38,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:38,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:38,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:38,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:38,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:38,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:09:38,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:09:38,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:38,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:09:38,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:09:38,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:39,038 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:09:39,038 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:09:39,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:09:39,039 INFO L82 PathProgramCache]: Analyzing trace with hash -270559079, now seen corresponding path program 13 times [2021-02-19 21:09:39,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:09:39,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924782526] [2021-02-19 21:09:39,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:09:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:39,521 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:39,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924782526] [2021-02-19 21:09:39,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314052784] [2021-02-19 21:09:39,522 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 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 [2021-02-19 21:09:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:39,552 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 65 conjunts are in the unsatisfiable core [2021-02-19 21:09:39,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:09:40,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:40,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:40,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:40,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:40,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:40,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:40,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:40,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:40,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:40,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:40,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:40,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:40,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:40,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 49 [2021-02-19 21:09:40,626 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:40,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:40,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:40,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:40,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:40,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:40,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:40,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:40,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:40,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:40,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:40,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:40,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:40,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-02-19 21:09:40,639 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:40,651 INFO L628 ElimStorePlain]: treesize reduction 117, result has 8.6 percent of original size [2021-02-19 21:09:40,652 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:09:40,652 INFO L518 ElimStorePlain]: Eliminatee v_prenex_29 vanished before elimination [2021-02-19 21:09:40,652 INFO L518 ElimStorePlain]: Eliminatee v_prenex_28 vanished before elimination [2021-02-19 21:09:40,652 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:09:40,652 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:239, output treesize:11 [2021-02-19 21:09:40,688 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:40,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:09:40,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2021-02-19 21:09:40,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665148107] [2021-02-19 21:09:40,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-19 21:09:40,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:09:40,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-19 21:09:40,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-02-19 21:09:40,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:40,691 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:09:40,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 26 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) [2021-02-19 21:09:40,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:40,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:40,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:40,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:40,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:40,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:40,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:40,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:40,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:40,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:09:40,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:09:40,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:40,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:09:40,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:09:40,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:40,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:42,171 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2021-02-19 21:09:42,758 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 87 [2021-02-19 21:09:42,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:42,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:42,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:42,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:42,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:42,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:42,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:42,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:42,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:42,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:09:42,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:09:42,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:42,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:09:42,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:09:42,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:42,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:09:43,110 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable97 [2021-02-19 21:09:43,110 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:09:43,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:09:43,111 INFO L82 PathProgramCache]: Analyzing trace with hash 201520987, now seen corresponding path program 14 times [2021-02-19 21:09:43,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:09:43,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769210169] [2021-02-19 21:09:43,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:09:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:43,258 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:43,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769210169] [2021-02-19 21:09:43,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542920147] [2021-02-19 21:09:43,258 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 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 [2021-02-19 21:09:43,282 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 21:09:43,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:09:43,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-02-19 21:09:43,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:09:43,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-02-19 21:09:43,463 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:43,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-02-19 21:09:43,466 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:43,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:43,469 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 17 treesize of output 13 [2021-02-19 21:09:43,470 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:43,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:09:43,473 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:43,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:43,476 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 16 treesize of output 12 [2021-02-19 21:09:43,477 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:43,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:09:43,480 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:43,505 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-02-19 21:09:43,505 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:09:43,506 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-02-19 21:09:43,506 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-02-19 21:09:43,548 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:43,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:09:43,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-02-19 21:09:43,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621200016] [2021-02-19 21:09:43,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-02-19 21:09:43,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:09:43,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-02-19 21:09:43,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-02-19 21:09:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:43,549 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:09:43,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 21:09:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:43,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:43,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:43,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:43,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:09:43,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:09:43,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:43,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:09:43,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:09:43,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:43,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:09:43,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:44,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:44,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:44,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:44,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:44,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:44,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:44,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:44,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:44,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:44,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:09:44,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:09:44,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:44,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:09:44,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:09:44,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:44,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:09:44,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:09:44,506 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:09:44,506 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:09:44,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:09:44,506 INFO L82 PathProgramCache]: Analyzing trace with hash -750870611, now seen corresponding path program 15 times [2021-02-19 21:09:44,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:09:44,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150668127] [2021-02-19 21:09:44,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:09:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:44,643 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:44,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150668127] [2021-02-19 21:09:44,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523177712] [2021-02-19 21:09:44,643 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 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 [2021-02-19 21:09:44,672 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-02-19 21:09:44,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:09:44,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-02-19 21:09:44,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:09:44,828 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:44,828 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 15 treesize of output 11 [2021-02-19 21:09:44,829 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:44,831 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 16 treesize of output 12 [2021-02-19 21:09:44,831 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:44,845 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-02-19 21:09:44,846 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:09:44,846 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:09:44,846 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-02-19 21:09:44,869 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:44,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:09:44,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-02-19 21:09:44,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185195379] [2021-02-19 21:09:44,870 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-02-19 21:09:44,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:09:44,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-02-19 21:09:44,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-02-19 21:09:44,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:44,871 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:09:44,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 22 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 21:09:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:09:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:09:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:09:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:09:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:09:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:09:44,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:45,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:45,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:45,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:45,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:45,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:45,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:45,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:45,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:45,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:45,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:09:45,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:09:45,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:45,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:09:45,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:09:45,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:45,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:09:45,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:09:45,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:09:45,414 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable125 [2021-02-19 21:09:45,415 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:09:45,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:09:45,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1803234617, now seen corresponding path program 16 times [2021-02-19 21:09:45,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:09:45,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797324934] [2021-02-19 21:09:45,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:09:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:46,122 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:46,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797324934] [2021-02-19 21:09:46,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792235717] [2021-02-19 21:09:46,123 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 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 [2021-02-19 21:09:46,147 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 21:09:46,148 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:09:46,149 WARN L261 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 77 conjunts are in the unsatisfiable core [2021-02-19 21:09:46,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:09:47,658 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:47,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:47,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 56 [2021-02-19 21:09:47,685 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:47,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:47,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:47,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-02-19 21:09:47,702 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:47,715 INFO L628 ElimStorePlain]: treesize reduction 128, result has 7.9 percent of original size [2021-02-19 21:09:47,715 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:09:47,715 INFO L518 ElimStorePlain]: Eliminatee v_prenex_38 vanished before elimination [2021-02-19 21:09:47,715 INFO L518 ElimStorePlain]: Eliminatee v_prenex_37 vanished before elimination [2021-02-19 21:09:47,715 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:09:47,716 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:272, output treesize:11 [2021-02-19 21:09:47,768 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:47,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:09:47,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 30 [2021-02-19 21:09:47,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033642444] [2021-02-19 21:09:47,769 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-02-19 21:09:47,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:09:47,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-02-19 21:09:47,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=806, Unknown=0, NotChecked=0, Total=870 [2021-02-19 21:09:47,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:47,770 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:09:47,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 30 states have internal predecessors, (40), 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) [2021-02-19 21:09:47,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:47,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:47,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:47,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:47,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:47,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:47,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:47,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:47,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:47,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:09:47,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:09:47,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:47,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:09:47,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:09:47,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:47,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:09:47,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:09:47,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:09:47,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:48,786 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 90 [2021-02-19 21:09:48,978 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 93 [2021-02-19 21:09:49,206 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 78 [2021-02-19 21:09:49,419 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 100 [2021-02-19 21:09:49,637 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 78 [2021-02-19 21:09:49,852 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 100 [2021-02-19 21:09:50,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:50,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:50,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:50,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:50,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:50,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:50,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:50,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:50,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:50,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:09:50,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:09:50,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:50,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:09:50,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:09:50,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:50,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:09:50,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:09:50,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:09:50,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:50,278 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable127 [2021-02-19 21:09:50,279 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:09:50,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:09:50,279 INFO L82 PathProgramCache]: Analyzing trace with hash -66780435, now seen corresponding path program 17 times [2021-02-19 21:09:50,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:09:50,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032497426] [2021-02-19 21:09:50,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:09:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:50,458 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:50,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032497426] [2021-02-19 21:09:50,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84294159] [2021-02-19 21:09:50,459 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 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 [2021-02-19 21:09:50,486 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-02-19 21:09:50,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:09:50,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-02-19 21:09:50,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:09:50,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:50,707 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 17 treesize of output 13 [2021-02-19 21:09:50,708 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:50,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:09:50,712 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:50,714 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:50,714 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 16 treesize of output 12 [2021-02-19 21:09:50,715 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:50,716 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-02-19 21:09:50,717 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:50,719 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-02-19 21:09:50,719 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:50,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:09:50,722 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:50,741 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-02-19 21:09:50,741 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:09:50,741 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-02-19 21:09:50,742 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-02-19 21:09:50,781 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:50,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:09:50,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-02-19 21:09:50,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441482133] [2021-02-19 21:09:50,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-02-19 21:09:50,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:09:50,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-02-19 21:09:50,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-02-19 21:09:50,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:50,782 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:09:50,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 21:09:50,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:50,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:50,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:50,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:50,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:50,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:50,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:50,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:50,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:50,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:09:50,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:09:50,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:50,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:09:50,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:09:50,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:50,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:09:50,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:09:50,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:09:50,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:50,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:51,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:51,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:51,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:51,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:51,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:51,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:51,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:51,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:09:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:09:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:09:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:09:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:09:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:09:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:09:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:09:51,930 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:09:51,931 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:09:51,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:09:51,931 INFO L82 PathProgramCache]: Analyzing trace with hash 473851099, now seen corresponding path program 18 times [2021-02-19 21:09:51,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:09:51,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690831177] [2021-02-19 21:09:51,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:09:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:52,110 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:52,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690831177] [2021-02-19 21:09:52,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480036837] [2021-02-19 21:09:52,110 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 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 [2021-02-19 21:09:52,136 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-02-19 21:09:52,137 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:09:52,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-02-19 21:09:52,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:09:52,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:52,321 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 16 treesize of output 12 [2021-02-19 21:09:52,322 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:52,324 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 15 treesize of output 11 [2021-02-19 21:09:52,325 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:52,342 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-02-19 21:09:52,343 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:09:52,343 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:09:52,343 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-02-19 21:09:52,368 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:52,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:09:52,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-02-19 21:09:52,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995289581] [2021-02-19 21:09:52,369 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-02-19 21:09:52,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:09:52,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-02-19 21:09:52,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-02-19 21:09:52,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:52,369 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:09:52,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 21:09:52,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:52,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:09:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:09:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:09:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:09:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:09:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:09:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:09:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:09:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:52,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:09:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:09:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:09:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:09:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:09:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:09:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:09:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:09:52,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:52,994 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable157 [2021-02-19 21:09:52,994 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:09:52,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:09:52,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1803400025, now seen corresponding path program 19 times [2021-02-19 21:09:52,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:09:52,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964897213] [2021-02-19 21:09:52,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:09:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:53,614 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:53,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964897213] [2021-02-19 21:09:53,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448840429] [2021-02-19 21:09:53,614 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 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 [2021-02-19 21:09:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:09:53,654 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 89 conjunts are in the unsatisfiable core [2021-02-19 21:09:53,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:09:55,491 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2021-02-19 21:09:55,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:55,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,567 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:55,579 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 91 treesize of output 61 [2021-02-19 21:09:55,582 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:55,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:09:55,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:09:55,603 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 93 treesize of output 63 [2021-02-19 21:09:55,605 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:09:55,618 INFO L628 ElimStorePlain]: treesize reduction 139, result has 7.3 percent of original size [2021-02-19 21:09:55,619 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:09:55,619 INFO L518 ElimStorePlain]: Eliminatee v_prenex_49 vanished before elimination [2021-02-19 21:09:55,619 INFO L518 ElimStorePlain]: Eliminatee v_prenex_48 vanished before elimination [2021-02-19 21:09:55,619 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:09:55,619 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:305, output treesize:11 [2021-02-19 21:09:55,663 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:09:55,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:09:55,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 34 [2021-02-19 21:09:55,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002967256] [2021-02-19 21:09:55,664 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-02-19 21:09:55,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:09:55,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-02-19 21:09:55,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1041, Unknown=0, NotChecked=0, Total=1122 [2021-02-19 21:09:55,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:55,665 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:09:55,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 34 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 21:09:55,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:09:55,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:55,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:09:55,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:55,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:55,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:09:55,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:55,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:55,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:09:55,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:09:55,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:09:55,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:09:55,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:09:55,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:09:55,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:09:55,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:09:55,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:09:55,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:09:55,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:55,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:09:55,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:09:55,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:09:59,114 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 101 [2021-02-19 21:09:59,335 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-02-19 21:09:59,590 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 105 [2021-02-19 21:09:59,833 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 134 [2021-02-19 21:10:00,069 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 105 [2021-02-19 21:10:00,312 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 134 [2021-02-19 21:10:00,559 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 105 [2021-02-19 21:10:00,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:10:00,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:00,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:00,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:00,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:00,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:00,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:00,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:00,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:10:00,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:10:00,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:00,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:00,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:10:00,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:10:00,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:00,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:00,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:00,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:10:00,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:00,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:10:00,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:00,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:10:00,961 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable159 [2021-02-19 21:10:00,962 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:10:00,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:10:00,962 INFO L82 PathProgramCache]: Analyzing trace with hash 69743771, now seen corresponding path program 20 times [2021-02-19 21:10:00,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:10:00,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49275395] [2021-02-19 21:10:00,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:10:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:10:01,189 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:10:01,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49275395] [2021-02-19 21:10:01,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525671786] [2021-02-19 21:10:01,189 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 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 [2021-02-19 21:10:01,219 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 21:10:01,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:10:01,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-02-19 21:10:01,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:10:01,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:10:01,501 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:01,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:10:01,503 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 17 treesize of output 13 [2021-02-19 21:10:01,504 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:01,506 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-02-19 21:10:01,507 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:01,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:10:01,510 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:01,512 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-02-19 21:10:01,513 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:01,515 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 16 treesize of output 12 [2021-02-19 21:10:01,516 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:01,537 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-02-19 21:10:01,538 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:10:01,538 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-02-19 21:10:01,538 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-02-19 21:10:01,577 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:10:01,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:10:01,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-02-19 21:10:01,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314371582] [2021-02-19 21:10:01,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-02-19 21:10:01,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:10:01,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-02-19 21:10:01,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-02-19 21:10:01,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:10:01,578 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:10:01,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 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) [2021-02-19 21:10:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:10:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:10:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:10:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:10:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:10:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:10:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:10:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:01,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:10:01,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:10:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:10:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:10:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:10:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:10:02,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:10:02,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:02,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:02,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:02,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:10:02,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:02,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:10:02,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:02,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:10:02,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:10:02,995 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:10:02,995 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:10:02,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:10:02,996 INFO L82 PathProgramCache]: Analyzing trace with hash -350547859, now seen corresponding path program 21 times [2021-02-19 21:10:02,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:10:02,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685473967] [2021-02-19 21:10:02,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:10:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:10:03,219 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:10:03,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685473967] [2021-02-19 21:10:03,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779101120] [2021-02-19 21:10:03,220 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 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 [2021-02-19 21:10:03,252 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-02-19 21:10:03,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:10:03,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-02-19 21:10:03,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:10:03,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:10:03,487 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 15 treesize of output 11 [2021-02-19 21:10:03,488 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:03,489 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 16 treesize of output 12 [2021-02-19 21:10:03,491 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:03,507 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-02-19 21:10:03,507 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:10:03,508 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:10:03,508 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-02-19 21:10:03,536 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:10:03,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:10:03,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-02-19 21:10:03,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59760358] [2021-02-19 21:10:03,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-02-19 21:10:03,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:10:03,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-02-19 21:10:03,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-02-19 21:10:03,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:10:03,538 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:10:03,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 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) [2021-02-19 21:10:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:10:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:10:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:10:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:03,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:10:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:10:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:10:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:10:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:10:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:10:03,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:10:04,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:10:04,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:10:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:10:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:10:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:10:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:10:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:10:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:10:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:10:04,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:10:04,311 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable192 [2021-02-19 21:10:04,311 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:10:04,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:10:04,312 INFO L82 PathProgramCache]: Analyzing trace with hash 2016836103, now seen corresponding path program 22 times [2021-02-19 21:10:04,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:10:04,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311669935] [2021-02-19 21:10:04,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:10:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:10:05,072 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:10:05,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311669935] [2021-02-19 21:10:05,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140490477] [2021-02-19 21:10:05,073 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:10:05,101 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 21:10:05,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:10:05,103 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2021-02-19 21:10:05,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:10:06,698 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-02-19 21:10:06,937 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-02-19 21:10:07,148 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-02-19 21:10:07,354 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-02-19 21:10:07,575 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-02-19 21:10:07,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:10:07,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:10:07,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 70 [2021-02-19 21:10:07,688 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:07,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:10:07,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:07,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-02-19 21:10:07,714 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:07,728 INFO L628 ElimStorePlain]: treesize reduction 160, result has 6.4 percent of original size [2021-02-19 21:10:07,728 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-02-19 21:10:07,728 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:10:07,728 INFO L518 ElimStorePlain]: Eliminatee v_prenex_62 vanished before elimination [2021-02-19 21:10:07,729 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:10:07,729 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:338, output treesize:11 [2021-02-19 21:10:07,782 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:10:07,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:10:07,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 38 [2021-02-19 21:10:07,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613218398] [2021-02-19 21:10:07,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-02-19 21:10:07,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:10:07,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-02-19 21:10:07,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1315, Unknown=0, NotChecked=0, Total=1406 [2021-02-19 21:10:07,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:10:07,783 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:10:07,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 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) [2021-02-19 21:10:07,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:10:07,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:07,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:07,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:07,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:07,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:10:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:10:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:10:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:10:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:10:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:10:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:10:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:10:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:10:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:10:11,986 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2021-02-19 21:10:12,208 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 113 [2021-02-19 21:10:12,448 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 113 [2021-02-19 21:10:12,677 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 113 [2021-02-19 21:10:12,918 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 113 [2021-02-19 21:10:13,157 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 113 [2021-02-19 21:10:13,398 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 113 [2021-02-19 21:10:13,692 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 113 [2021-02-19 21:10:13,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:10:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:10:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:10:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:10:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:10:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:10:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:10:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:10:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:10:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:10:13,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:10:14,099 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:10:14,099 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:10:14,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:10:14,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1903672403, now seen corresponding path program 23 times [2021-02-19 21:10:14,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:10:14,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396386690] [2021-02-19 21:10:14,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:10:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:10:14,388 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:10:14,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396386690] [2021-02-19 21:10:14,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752802753] [2021-02-19 21:10:14,388 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:10:14,423 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-02-19 21:10:14,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:10:14,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-02-19 21:10:14,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:10:14,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-02-19 21:10:14,760 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:14,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-02-19 21:10:14,764 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:14,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:10:14,768 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 16 treesize of output 12 [2021-02-19 21:10:14,770 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:14,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:10:14,772 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 17 treesize of output 13 [2021-02-19 21:10:14,773 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:14,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:10:14,776 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:14,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:10:14,779 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:14,804 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-02-19 21:10:14,805 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:10:14,805 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-02-19 21:10:14,805 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-02-19 21:10:14,849 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:10:14,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:10:14,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-02-19 21:10:14,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529426981] [2021-02-19 21:10:14,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-02-19 21:10:14,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:10:14,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-02-19 21:10:14,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-02-19 21:10:14,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:10:14,850 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:10:14,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 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) [2021-02-19 21:10:14,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:10:14,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:14,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:14,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:14,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:14,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:14,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:14,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:14,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:10:14,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:10:14,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:14,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:14,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:10:14,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:10:14,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:14,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:14,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:14,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:10:14,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:14,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:10:14,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:14,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:10:14,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:10:14,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:10:14,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:10:14,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:10:16,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:10:16,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:16,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:16,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:16,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:16,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:16,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:16,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:16,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:10:16,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:10:16,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:16,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:16,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:10:16,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:10:16,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:16,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:16,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:16,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:10:16,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:16,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:10:16,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:16,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:10:16,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:10:16,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:10:16,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:10:16,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:10:16,601 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable222 [2021-02-19 21:10:16,601 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:10:16,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:10:16,602 INFO L82 PathProgramCache]: Analyzing trace with hash -2047811045, now seen corresponding path program 24 times [2021-02-19 21:10:16,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:10:16,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51168814] [2021-02-19 21:10:16,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:10:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:10:16,879 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:10:16,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51168814] [2021-02-19 21:10:16,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495764658] [2021-02-19 21:10:16,880 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:10:16,911 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-02-19 21:10:16,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:10:16,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-02-19 21:10:16,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:10:17,214 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:10:17,215 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 16 treesize of output 12 [2021-02-19 21:10:17,216 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:17,218 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 15 treesize of output 11 [2021-02-19 21:10:17,219 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:17,235 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-02-19 21:10:17,235 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:10:17,235 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:10:17,236 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-02-19 21:10:17,268 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:10:17,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:10:17,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-02-19 21:10:17,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678818998] [2021-02-19 21:10:17,268 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-02-19 21:10:17,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:10:17,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-02-19 21:10:17,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-02-19 21:10:17,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:10:17,269 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:10:17,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 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) [2021-02-19 21:10:17,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:10:17,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:17,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:17,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:17,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:17,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:17,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:17,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:17,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:10:17,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:10:17,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:17,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:17,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:10:17,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:10:17,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:17,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:17,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:17,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:10:17,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:17,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:10:17,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:17,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:10:17,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:10:17,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:10:17,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:10:17,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:10:17,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:10:17,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:10:17,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:17,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:17,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:17,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:17,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:17,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:17,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:17,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:10:17,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:10:17,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:17,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:17,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:10:17,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:10:17,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:17,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:10:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:10:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:10:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:10:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:10:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:10:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:10:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:18,104 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable228 [2021-02-19 21:10:18,104 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:10:18,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:10:18,104 INFO L82 PathProgramCache]: Analyzing trace with hash 941284889, now seen corresponding path program 25 times [2021-02-19 21:10:18,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:10:18,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661815856] [2021-02-19 21:10:18,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:10:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:10:19,054 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:10:19,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661815856] [2021-02-19 21:10:19,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388433702] [2021-02-19 21:10:19,055 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:10:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:10:19,091 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 113 conjunts are in the unsatisfiable core [2021-02-19 21:10:19,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:10:20,512 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-02-19 21:10:20,783 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-02-19 21:10:21,051 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-02-19 21:10:21,287 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-02-19 21:10:21,523 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-02-19 21:10:21,802 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-02-19 21:10:22,038 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-02-19 21:10:22,288 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-02-19 21:10:22,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:22,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:10:22,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 75 [2021-02-19 21:10:22,392 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:22,423 INFO L628 ElimStorePlain]: treesize reduction 261, result has 4.0 percent of original size [2021-02-19 21:10:22,423 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-02-19 21:10:22,423 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:10:22,423 INFO L518 ElimStorePlain]: Eliminatee v_prenex_73 vanished before elimination [2021-02-19 21:10:22,423 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:10:22,424 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:371, output treesize:11 [2021-02-19 21:10:22,449 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:10:22,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:10:22,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 41 [2021-02-19 21:10:22,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991581721] [2021-02-19 21:10:22,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-02-19 21:10:22,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:10:22,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-02-19 21:10:22,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1542, Unknown=0, NotChecked=0, Total=1640 [2021-02-19 21:10:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:10:22,451 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:10:22,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.1951219512195121) internal successors, (49), 41 states have internal predecessors, (49), 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) [2021-02-19 21:10:22,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:10:22,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:22,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:22,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:22,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:22,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:22,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:22,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:22,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:10:22,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:10:22,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:22,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:22,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:10:22,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:10:22,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:22,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:22,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:22,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:10:22,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:22,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:10:22,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:22,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:10:22,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:10:22,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:10:22,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:10:22,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:10:22,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:22,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:10:30,110 WARN L202 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 119 [2021-02-19 21:10:30,464 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 122 [2021-02-19 21:10:30,869 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 160 [2021-02-19 21:10:31,278 WARN L202 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 122 [2021-02-19 21:10:31,672 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 160 [2021-02-19 21:10:32,048 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 160 [2021-02-19 21:10:32,418 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 122 [2021-02-19 21:10:32,801 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 160 [2021-02-19 21:10:33,169 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 160 [2021-02-19 21:10:33,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:10:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:10:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:10:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:10:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:10:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:10:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:10:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:10:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:10:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:10:33,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:10:33,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:10:33,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:33,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:10:33,694 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230,28 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:10:33,694 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:10:33,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:10:33,694 INFO L82 PathProgramCache]: Analyzing trace with hash -886021669, now seen corresponding path program 26 times [2021-02-19 21:10:33,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:10:33,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365791894] [2021-02-19 21:10:33,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:10:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:10:34,032 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:10:34,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365791894] [2021-02-19 21:10:34,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425687294] [2021-02-19 21:10:34,033 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:10:34,064 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 21:10:34,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:10:34,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-02-19 21:10:34,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:10:34,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:10:34,490 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:34,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:10:34,494 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:34,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-02-19 21:10:34,499 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:34,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:10:34,502 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 16 treesize of output 12 [2021-02-19 21:10:34,503 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:34,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:10:34,506 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 17 treesize of output 13 [2021-02-19 21:10:34,508 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:34,510 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-02-19 21:10:34,510 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:34,537 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-02-19 21:10:34,537 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:10:34,538 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-02-19 21:10:34,538 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-02-19 21:10:34,586 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:10:34,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:10:34,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-02-19 21:10:34,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400337408] [2021-02-19 21:10:34,587 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-02-19 21:10:34,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:10:34,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-02-19 21:10:34,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-02-19 21:10:34,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:10:34,588 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:10:34,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 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) [2021-02-19 21:10:34,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:10:34,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:34,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:34,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:34,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:34,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:34,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:34,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:34,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:10:34,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:10:34,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:34,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:34,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:10:34,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:10:34,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:34,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:34,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:34,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:10:34,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:34,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:10:34,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:34,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:10:34,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:10:34,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:10:34,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:10:34,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:10:34,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:34,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:10:34,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:10:36,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:10:36,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:36,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:36,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:36,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:36,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:36,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:36,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:36,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:10:36,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:10:36,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:36,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:36,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:10:36,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:10:36,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:36,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:36,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:36,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:10:36,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:36,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:10:36,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:36,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:10:36,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:10:36,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:10:36,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:10:36,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:10:36,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:36,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:10:36,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:10:36,618 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable262,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:10:36,618 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:10:36,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:10:36,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1059352275, now seen corresponding path program 27 times [2021-02-19 21:10:36,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:10:36,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439349820] [2021-02-19 21:10:36,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:10:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:10:36,972 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:10:36,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439349820] [2021-02-19 21:10:36,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389366593] [2021-02-19 21:10:36,973 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:10:37,010 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-02-19 21:10:37,010 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:10:37,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 48 conjunts are in the unsatisfiable core [2021-02-19 21:10:37,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:10:37,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:10:37,376 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 15 treesize of output 11 [2021-02-19 21:10:37,377 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:37,380 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 16 treesize of output 12 [2021-02-19 21:10:37,381 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:37,398 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-02-19 21:10:37,399 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:10:37,399 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:10:37,399 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-02-19 21:10:37,440 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:10:37,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:10:37,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-02-19 21:10:37,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534409593] [2021-02-19 21:10:37,440 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-02-19 21:10:37,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:10:37,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-02-19 21:10:37,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-02-19 21:10:37,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:10:37,441 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:10:37,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 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) [2021-02-19 21:10:37,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:10:37,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:37,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:37,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:37,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:37,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:37,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:37,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:37,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:10:37,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:10:37,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:37,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:37,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:10:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:10:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:10:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:10:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:10:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:10:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:10:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:10:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:10:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:10:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:10:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:10:38,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:10:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:10:38,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:38,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:10:38,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:10:38,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:10:38,411 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable268 [2021-02-19 21:10:38,412 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:10:38,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:10:38,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1518735687, now seen corresponding path program 28 times [2021-02-19 21:10:38,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:10:38,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363648712] [2021-02-19 21:10:38,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:10:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:10:39,879 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:10:39,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363648712] [2021-02-19 21:10:39,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758423227] [2021-02-19 21:10:39,880 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 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:10:39,913 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 21:10:39,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:10:39,914 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 125 conjunts are in the unsatisfiable core [2021-02-19 21:10:39,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:10:41,975 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2021-02-19 21:10:42,373 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2021-02-19 21:10:42,840 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2021-02-19 21:10:43,245 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2021-02-19 21:10:43,630 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 116 [2021-02-19 21:10:43,996 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2021-02-19 21:10:44,369 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2021-02-19 21:10:44,767 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 116 [2021-02-19 21:10:45,298 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2021-02-19 21:10:45,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:10:45,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:10:45,464 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 124 treesize of output 82 [2021-02-19 21:10:45,468 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:45,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:10:45,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,516 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 126 treesize of output 84 [2021-02-19 21:10:45,520 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:45,608 INFO L628 ElimStorePlain]: treesize reduction 161, result has 47.7 percent of original size [2021-02-19 21:10:45,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:10:45,611 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 10 treesize of output 6 [2021-02-19 21:10:45,613 INFO L550 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-02-19 21:10:45,644 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:10:45,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:10:45,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 69 [2021-02-19 21:10:45,684 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:45,697 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:10:45,697 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:10:45,699 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-02-19 21:10:45,699 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:525, output treesize:22 [2021-02-19 21:10:45,810 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:10:45,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:10:45,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24] total 47 [2021-02-19 21:10:45,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72998584] [2021-02-19 21:10:45,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-02-19 21:10:45,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:10:45,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-02-19 21:10:45,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2059, Unknown=0, NotChecked=0, Total=2162 [2021-02-19 21:10:45,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:10:45,811 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:10:45,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 47 states have internal predecessors, (56), 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) [2021-02-19 21:10:45,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:10:45,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:45,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:45,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:45,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:45,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:45,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:45,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:45,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:10:45,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:10:45,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:45,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:45,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:10:45,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:10:45,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:45,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:45,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:45,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:10:45,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:45,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:10:45,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:45,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:10:45,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:10:45,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:10:45,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:10:45,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:10:45,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:45,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:10:45,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:10:45,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:10:45,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:10:48,944 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 87 [2021-02-19 21:10:49,516 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 137 [2021-02-19 21:10:50,124 WARN L202 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 146 [2021-02-19 21:10:50,795 WARN L202 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 148 [2021-02-19 21:10:51,619 WARN L202 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 151 [2021-02-19 21:10:52,414 WARN L202 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 148 [2021-02-19 21:10:53,175 WARN L202 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 148 [2021-02-19 21:10:53,891 WARN L202 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 148 [2021-02-19 21:10:54,598 WARN L202 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 148 [2021-02-19 21:10:55,331 WARN L202 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 148 [2021-02-19 21:10:56,076 WARN L202 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 190 [2021-02-19 21:10:56,811 WARN L202 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 190 [2021-02-19 21:10:57,171 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 92 [2021-02-19 21:10:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:10:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:10:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:10:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:10:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:10:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:10:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:10:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:10:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:10:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:10:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:10:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:10:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:10:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:10:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:10:57,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:10:57,578 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable270,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:10:57,578 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:10:57,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:10:57,578 INFO L82 PathProgramCache]: Analyzing trace with hash -164916115, now seen corresponding path program 29 times [2021-02-19 21:10:57,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:10:57,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913495424] [2021-02-19 21:10:57,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:10:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:10:58,016 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:10:58,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913495424] [2021-02-19 21:10:58,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773687557] [2021-02-19 21:10:58,017 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:10:58,054 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-02-19 21:10:58,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:10:58,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-02-19 21:10:58,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:10:58,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:10:58,572 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 17 treesize of output 13 [2021-02-19 21:10:58,574 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:58,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:10:58,576 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 16 treesize of output 12 [2021-02-19 21:10:58,577 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:58,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:10:58,581 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:58,583 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-02-19 21:10:58,584 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:58,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:10:58,588 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:58,590 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-02-19 21:10:58,591 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-19 21:10:58,616 INFO L628 ElimStorePlain]: treesize reduction 18, result has 52.6 percent of original size [2021-02-19 21:10:58,617 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:10:58,617 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-02-19 21:10:58,617 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-02-19 21:10:58,672 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:10:58,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:10:58,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-02-19 21:10:58,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317296248] [2021-02-19 21:10:58,679 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-02-19 21:10:58,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:10:58,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-02-19 21:10:58,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-02-19 21:10:58,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:10:58,680 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:10:58,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 states have internal predecessors, (45), 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) [2021-02-19 21:10:58,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:10:58,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:58,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:10:58,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:58,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:58,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:10:58,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:58,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:58,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:10:58,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:10:58,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:58,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:10:58,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:10:58,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:10:58,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:10:58,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:58,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:10:58,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:10:58,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:58,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:10:58,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:10:58,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:10:58,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:10:58,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:10:58,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:10:58,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:10:58,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:10:58,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:10:58,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:10:58,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:10:58,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:10:58,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:11:00,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:11:00,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:11:00,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:11:00,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:11:00,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:11:00,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:11:00,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:11:00,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:00,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:11:00,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:11:00,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:11:00,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:11:00,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:11:00,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:11:00,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:11:00,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:11:00,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:11:00,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:11:00,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:00,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:11:00,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:00,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:11:00,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:11:00,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:11:00,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:11:00,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:11:00,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:11:00,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:11:00,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:11:00,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:11:00,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:11:00,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:11:01,140 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable320 [2021-02-19 21:11:01,140 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:11:01,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:11:01,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1243197605, now seen corresponding path program 30 times [2021-02-19 21:11:01,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:11:01,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150289995] [2021-02-19 21:11:01,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:11:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:11:01,551 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:11:01,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150289995] [2021-02-19 21:11:01,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451333566] [2021-02-19 21:11:01,552 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 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:11:01,588 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-02-19 21:11:01,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:11:01,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-02-19 21:11:01,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:11:02,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:11:02,057 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 15 treesize of output 11 [2021-02-19 21:11:02,058 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:11:02,060 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 16 treesize of output 12 [2021-02-19 21:11:02,061 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:11:02,078 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-02-19 21:11:02,078 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:11:02,079 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:11:02,079 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-02-19 21:11:02,122 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:11:02,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:11:02,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-02-19 21:11:02,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640936214] [2021-02-19 21:11:02,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-02-19 21:11:02,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:11:02,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-02-19 21:11:02,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-02-19 21:11:02,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:11:02,123 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:11:02,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 states have internal predecessors, (45), 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) [2021-02-19 21:11:02,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:11:02,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:11:02,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:11:02,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:11:02,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:11:02,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:11:02,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:11:02,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:11:02,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:11:03,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:11:03,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:11:03,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:11:03,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:11:03,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:11:03,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:11:03,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:11:03,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:11:03,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:11:03,323 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable327 [2021-02-19 21:11:03,324 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:11:03,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:11:03,324 INFO L82 PathProgramCache]: Analyzing trace with hash 114497753, now seen corresponding path program 31 times [2021-02-19 21:11:03,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:11:03,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481920085] [2021-02-19 21:11:03,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:11:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:11:04,570 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:11:04,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481920085] [2021-02-19 21:11:04,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259412160] [2021-02-19 21:11:04,570 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 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:11:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:11:04,613 WARN L261 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 137 conjunts are in the unsatisfiable core [2021-02-19 21:11:04,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:11:06,839 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-02-19 21:11:07,183 WARN L202 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-02-19 21:11:07,576 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-02-19 21:11:07,913 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-02-19 21:11:08,310 WARN L202 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-02-19 21:11:08,654 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-02-19 21:11:09,038 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-02-19 21:11:09,401 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-02-19 21:11:09,748 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-02-19 21:11:10,103 WARN L202 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-02-19 21:11:10,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:11:10,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:10,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 89 [2021-02-19 21:11:10,227 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:11:10,264 INFO L628 ElimStorePlain]: treesize reduction 309, result has 3.4 percent of original size [2021-02-19 21:11:10,264 INFO L518 ElimStorePlain]: Eliminatee v_prenex_92 vanished before elimination [2021-02-19 21:11:10,264 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-02-19 21:11:10,264 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:11:10,265 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:11:10,265 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:437, output treesize:11 [2021-02-19 21:11:10,363 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:11:10,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:11:10,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 50 [2021-02-19 21:11:10,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917718576] [2021-02-19 21:11:10,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-02-19 21:11:10,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:11:10,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-02-19 21:11:10,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=2329, Unknown=0, NotChecked=0, Total=2450 [2021-02-19 21:11:10,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:11:10,365 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:11:10,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 1.2) internal successors, (60), 50 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) [2021-02-19 21:11:10,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:11:10,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:11:10,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:11:10,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:11:10,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:11:10,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:11:10,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:11:10,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:10,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:11:10,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:11:10,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:11:10,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:11:10,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:11:10,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:11:10,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:11:10,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:11:10,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:11:10,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:11:10,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:10,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:11:10,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:10,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:11:10,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:11:10,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:11:10,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:11:10,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:11:10,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:11:10,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:11:10,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:11:10,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:11:10,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:11:10,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:11:10,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:11:10,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:11:20,412 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2021-02-19 21:11:23,083 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 138 [2021-02-19 21:11:23,615 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 142 [2021-02-19 21:11:24,151 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 142 [2021-02-19 21:11:24,747 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 187 [2021-02-19 21:11:25,295 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-19 21:11:25,855 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-19 21:11:26,422 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-19 21:11:26,991 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-19 21:11:27,540 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 187 [2021-02-19 21:11:28,100 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-19 21:11:28,642 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-19 21:11:28,925 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2021-02-19 21:11:29,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:11:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:11:29,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:11:29,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:11:29,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:11:29,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:11:29,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:11:29,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:11:29,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:11:29,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-02-19 21:11:29,299 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable329,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:11:29,299 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:11:29,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:11:29,299 INFO L82 PathProgramCache]: Analyzing trace with hash -746619109, now seen corresponding path program 32 times [2021-02-19 21:11:29,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:11:29,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612054472] [2021-02-19 21:11:29,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:11:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:11:29,894 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:11:29,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612054472] [2021-02-19 21:11:29,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138314979] [2021-02-19 21:11:29,894 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 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:11:29,928 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 21:11:29,928 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:11:29,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-02-19 21:11:29,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:11:30,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-02-19 21:11:30,609 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:11:30,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:11:30,613 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:11:30,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:11:30,616 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 17 treesize of output 13 [2021-02-19 21:11:30,619 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 21:11:30,622 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-02-19 21:11:30,623 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 21:11:30,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:11:30,628 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-02-19 21:11:30,630 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 16 treesize of output 12 [2021-02-19 21:11:30,631 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-19 21:11:30,663 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-02-19 21:11:30,663 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:11:30,664 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-02-19 21:11:30,664 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-02-19 21:11:30,731 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:11:30,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:11:30,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-02-19 21:11:30,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737920798] [2021-02-19 21:11:30,732 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-02-19 21:11:30,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:11:30,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-02-19 21:11:30,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-02-19 21:11:30,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:11:30,732 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:11:30,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.2) internal successors, (48), 40 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) [2021-02-19 21:11:30,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:11:30,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:11:30,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:11:30,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:11:30,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:11:30,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:11:30,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:11:30,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:11:30,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:11:30,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-02-19 21:11:30,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:11:33,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:11:33,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:11:33,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:11:33,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:11:33,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:11:33,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:11:33,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:11:33,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:33,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:11:33,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:11:33,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:11:33,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:11:33,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:11:33,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:11:33,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:11:33,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:11:33,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:11:33,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:11:33,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:33,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:11:33,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:33,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:11:33,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:11:33,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:11:33,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:11:33,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:11:33,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:11:33,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:11:33,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:11:33,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:11:33,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:11:33,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:11:33,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:11:33,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-02-19 21:11:33,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-19 21:11:34,125 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable367 [2021-02-19 21:11:34,126 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:11:34,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:11:34,126 INFO L82 PathProgramCache]: Analyzing trace with hash 186393069, now seen corresponding path program 33 times [2021-02-19 21:11:34,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:11:34,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711478558] [2021-02-19 21:11:34,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:11:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:11:34,713 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:11:34,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711478558] [2021-02-19 21:11:34,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015658391] [2021-02-19 21:11:34,713 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 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:11:34,753 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-02-19 21:11:34,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:11:34,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-02-19 21:11:34,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:11:35,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:11:35,393 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 15 treesize of output 11 [2021-02-19 21:11:35,394 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:11:35,397 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 16 treesize of output 12 [2021-02-19 21:11:35,398 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:11:35,418 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-02-19 21:11:35,418 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:11:35,419 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:11:35,419 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-02-19 21:11:35,473 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:11:35,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:11:35,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-02-19 21:11:35,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778616635] [2021-02-19 21:11:35,474 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-02-19 21:11:35,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:11:35,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-02-19 21:11:35,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-02-19 21:11:35,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:11:35,475 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:11:35,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.2) internal successors, (48), 40 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) [2021-02-19 21:11:35,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:11:35,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:11:35,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:11:35,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:11:35,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:11:35,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:11:35,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:11:35,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:35,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:11:35,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:11:35,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:11:35,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:11:35,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:11:35,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:11:35,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:11:35,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:11:35,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:11:35,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:11:35,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:35,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:11:35,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:35,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:11:35,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:11:35,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:11:35,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:11:35,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:11:35,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:11:35,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:11:35,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:11:35,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:11:35,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:11:35,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:11:35,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:11:35,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-02-19 21:11:35,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-19 21:11:35,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:11:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:11:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:11:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:11:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:11:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:11:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:11:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:11:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:11:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:11:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:11:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:11:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:11:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:11:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:11:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:11:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:11:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:11:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:11:37,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:37,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:11:37,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:11:37,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:11:37,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:11:37,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:11:37,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:11:37,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:11:37,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:11:37,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:11:37,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:11:37,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:11:37,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:11:37,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-02-19 21:11:37,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-19 21:11:37,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:11:37,356 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable374,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:11:37,356 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:11:37,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:11:37,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1482135687, now seen corresponding path program 34 times [2021-02-19 21:11:37,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:11:37,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802424369] [2021-02-19 21:11:37,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:11:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:11:39,196 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:11:39,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802424369] [2021-02-19 21:11:39,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252422890] [2021-02-19 21:11:39,196 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 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:11:39,234 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 21:11:39,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:11:39,236 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 149 conjunts are in the unsatisfiable core [2021-02-19 21:11:39,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:11:42,489 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-02-19 21:11:42,948 WARN L202 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-02-19 21:11:43,476 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-02-19 21:11:43,954 WARN L202 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-02-19 21:11:44,449 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-02-19 21:11:45,186 WARN L202 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-02-19 21:11:45,645 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-02-19 21:11:46,158 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-02-19 21:11:46,689 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-02-19 21:11:47,202 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-02-19 21:11:47,705 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-02-19 21:11:47,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:11:47,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:11:47,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 96 [2021-02-19 21:11:47,888 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:11:47,937 INFO L628 ElimStorePlain]: treesize reduction 327, result has 3.3 percent of original size [2021-02-19 21:11:47,938 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:11:47,938 INFO L518 ElimStorePlain]: Eliminatee v_prenex_111 vanished before elimination [2021-02-19 21:11:47,938 INFO L518 ElimStorePlain]: Eliminatee v_prenex_112 vanished before elimination [2021-02-19 21:11:47,941 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:11:47,941 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:470, output treesize:11 [2021-02-19 21:11:47,974 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:11:47,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:11:47,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 53 [2021-02-19 21:11:47,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96710468] [2021-02-19 21:11:47,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-02-19 21:11:47,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:11:47,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-02-19 21:11:47,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=2628, Unknown=0, NotChecked=0, Total=2756 [2021-02-19 21:11:47,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:11:47,975 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:11:47,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.150943396226415) internal successors, (61), 53 states have internal predecessors, (61), 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) [2021-02-19 21:11:47,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:11:47,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:11:47,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:11:47,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:11:47,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:11:47,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:11:47,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:11:47,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:11:47,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:11:47,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-02-19 21:11:47,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-19 21:11:47,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:11:47,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:11:55,263 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-02-19 21:11:57,840 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-02-19 21:12:00,231 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-02-19 21:12:00,500 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-02-19 21:12:00,867 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-02-19 21:12:02,145 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-02-19 21:12:02,465 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-02-19 21:12:03,373 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-02-19 21:12:03,934 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-02-19 21:12:04,265 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-02-19 21:12:05,546 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-02-19 21:12:05,878 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-02-19 21:12:06,810 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-02-19 21:12:07,060 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-02-19 21:12:07,391 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-02-19 21:12:07,741 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-02-19 21:12:08,085 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-02-19 21:12:08,413 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-02-19 21:12:08,736 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-02-19 21:12:09,068 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-02-19 21:12:09,404 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-02-19 21:12:09,740 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-02-19 21:12:10,686 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2021-02-19 21:12:10,962 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-02-19 21:12:11,265 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-02-19 21:12:11,614 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-02-19 21:12:11,953 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-02-19 21:12:12,309 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-02-19 21:12:12,669 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-02-19 21:12:13,016 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-02-19 21:12:13,380 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-02-19 21:12:13,721 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-02-19 21:12:14,066 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-02-19 21:12:14,424 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-02-19 21:12:15,761 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 146 [2021-02-19 21:12:16,548 WARN L202 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 149 [2021-02-19 21:12:17,529 WARN L202 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 149 [2021-02-19 21:12:18,441 WARN L202 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 199 [2021-02-19 21:12:19,246 WARN L202 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 149 [2021-02-19 21:12:20,095 WARN L202 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 149 [2021-02-19 21:12:20,943 WARN L202 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 149 [2021-02-19 21:12:21,744 WARN L202 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 149 [2021-02-19 21:12:22,572 WARN L202 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 149 [2021-02-19 21:12:23,332 WARN L202 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 149 [2021-02-19 21:12:24,107 WARN L202 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 149 [2021-02-19 21:12:24,877 WARN L202 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 149 [2021-02-19 21:12:25,334 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2021-02-19 21:12:25,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:12:25,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:12:25,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:12:25,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:12:25,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:12:25,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:12:25,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:12:25,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:12:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-02-19 21:12:25,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-19 21:12:25,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:12:25,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-19 21:12:25,874 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable376 [2021-02-19 21:12:25,874 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:12:25,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:12:25,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1299516115, now seen corresponding path program 35 times [2021-02-19 21:12:25,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:12:25,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383000603] [2021-02-19 21:12:25,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:12:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:12:26,857 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:12:26,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383000603] [2021-02-19 21:12:26,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565922761] [2021-02-19 21:12:26,857 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 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:12:26,910 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-02-19 21:12:26,910 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:12:26,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-02-19 21:12:26,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:12:28,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-02-19 21:12:28,050 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:12:28,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-02-19 21:12:28,058 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:12:28,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:12:28,063 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 16 treesize of output 12 [2021-02-19 21:12:28,065 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 21:12:28,068 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:12:28,069 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 17 treesize of output 13 [2021-02-19 21:12:28,071 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 21:12:28,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:12:28,077 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-02-19 21:12:28,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:12:28,083 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-19 21:12:28,136 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-02-19 21:12:28,136 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:12:28,137 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-02-19 21:12:28,138 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-02-19 21:12:28,256 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:12:28,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:12:28,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-02-19 21:12:28,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307841935] [2021-02-19 21:12:28,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-02-19 21:12:28,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:12:28,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-02-19 21:12:28,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-02-19 21:12:28,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:12:28,257 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:12:28,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 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) [2021-02-19 21:12:28,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:12:28,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:12:28,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:12:28,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:12:28,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:12:28,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:12:28,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:12:28,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:12:28,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-02-19 21:12:28,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-19 21:12:28,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:12:28,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-19 21:12:28,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:12:33,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:12:33,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:12:33,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:12:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:12:33,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:12:33,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:12:33,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:12:33,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:12:33,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-02-19 21:12:33,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-19 21:12:33,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:12:33,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-19 21:12:33,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-02-19 21:12:34,003 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable413 [2021-02-19 21:12:34,003 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:12:34,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:12:34,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1854057627, now seen corresponding path program 36 times [2021-02-19 21:12:34,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:12:34,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275194925] [2021-02-19 21:12:34,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:12:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:12:34,988 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:12:34,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275194925] [2021-02-19 21:12:34,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879097535] [2021-02-19 21:12:34,989 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 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:12:35,029 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-02-19 21:12:35,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:12:35,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-02-19 21:12:35,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:12:36,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:12:36,128 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 16 treesize of output 12 [2021-02-19 21:12:36,129 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:12:36,133 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 15 treesize of output 11 [2021-02-19 21:12:36,135 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:12:36,165 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-02-19 21:12:36,165 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:12:36,166 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:12:36,166 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-02-19 21:12:36,252 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:12:36,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:12:36,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-02-19 21:12:36,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358824983] [2021-02-19 21:12:36,253 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-02-19 21:12:36,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:12:36,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-02-19 21:12:36,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-02-19 21:12:36,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:12:36,253 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:12:36,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 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) [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:12:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:12:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:12:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:12:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:12:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:12:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:12:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:12:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:12:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:12:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-02-19 21:12:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-19 21:12:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:12:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-19 21:12:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-02-19 21:12:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:12:39,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:12:39,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:12:39,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:12:39,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:12:39,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:12:39,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:12:39,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:12:39,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:12:39,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:12:39,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:12:39,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:12:39,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:12:39,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-19 21:12:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-02-19 21:12:39,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:12:39,423 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable420 [2021-02-19 21:12:39,423 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:12:39,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:12:39,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1640129433, now seen corresponding path program 37 times [2021-02-19 21:12:39,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:12:39,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875117435] [2021-02-19 21:12:39,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:12:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:12:41,202 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-19 21:12:42,984 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:12:42,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875117435] [2021-02-19 21:12:42,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315828335] [2021-02-19 21:12:42,985 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 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:12:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:12:43,026 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 161 conjunts are in the unsatisfiable core [2021-02-19 21:12:43,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:12:47,420 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2021-02-19 21:12:48,033 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-02-19 21:12:48,652 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2021-02-19 21:12:49,262 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2021-02-19 21:12:49,910 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-02-19 21:12:50,544 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2021-02-19 21:12:51,243 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-02-19 21:12:51,893 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2021-02-19 21:12:52,600 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-02-19 21:12:53,267 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2021-02-19 21:12:53,984 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2021-02-19 21:12:54,715 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-02-19 21:12:54,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:54,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:12:54,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,185 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:12:55,206 INFO L244 Elim1Store]: Index analysis took 356 ms [2021-02-19 21:12:55,208 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 157 treesize of output 103 [2021-02-19 21:12:55,219 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:12:55,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:12:55,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,383 INFO L244 Elim1Store]: Index analysis took 155 ms [2021-02-19 21:12:55,384 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 159 treesize of output 105 [2021-02-19 21:12:55,394 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:12:55,609 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 89 [2021-02-19 21:12:55,610 INFO L628 ElimStorePlain]: treesize reduction 194, result has 48.4 percent of original size [2021-02-19 21:12:55,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:12:55,617 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 21 treesize of output 13 [2021-02-19 21:12:55,619 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 21:12:55,706 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:12:55,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:12:55,857 INFO L244 Elim1Store]: Index analysis took 146 ms [2021-02-19 21:12:55,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 90 [2021-02-19 21:12:55,869 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 21:12:55,898 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 21:12:55,898 INFO L518 ElimStorePlain]: Eliminatee v_prenex_127 vanished before elimination [2021-02-19 21:12:55,901 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-02-19 21:12:55,901 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:653, output treesize:22 [2021-02-19 21:12:56,175 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:12:56,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:12:56,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30] total 59 [2021-02-19 21:12:56,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892681003] [2021-02-19 21:12:56,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-02-19 21:12:56,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:12:56,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-02-19 21:12:56,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=3292, Unknown=0, NotChecked=0, Total=3422 [2021-02-19 21:12:56,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:12:56,177 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:12:56,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 1.152542372881356) internal successors, (68), 59 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) [2021-02-19 21:12:56,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:12:56,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:12:56,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:12:56,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:12:56,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:12:56,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:12:56,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:12:56,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:12:56,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:12:56,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:12:56,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:12:56,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:12:56,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:12:56,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:12:56,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:12:56,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:12:56,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:12:56,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:12:56,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:12:56,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:12:56,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:12:56,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:12:56,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:12:56,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:12:56,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:12:56,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:12:56,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:12:56,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:12:56,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:12:56,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:12:56,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:12:56,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:12:56,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:12:56,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-02-19 21:12:56,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-19 21:12:56,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:12:56,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-19 21:12:56,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-02-19 21:12:56,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:12:56,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:13:04,058 WARN L202 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-02-19 21:13:05,115 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 105 [2021-02-19 21:13:06,067 WARN L202 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 158 [2021-02-19 21:13:07,066 WARN L202 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 169 [2021-02-19 21:13:08,072 WARN L202 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 169 [2021-02-19 21:13:09,277 WARN L202 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 170 [2021-02-19 21:13:10,455 WARN L202 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 173 [2021-02-19 21:13:11,610 WARN L202 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 170 [2021-02-19 21:13:12,916 WARN L202 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 177 [2021-02-19 21:13:14,051 WARN L202 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 174 [2021-02-19 21:13:15,251 WARN L202 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 174 [2021-02-19 21:13:16,478 WARN L202 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 174 [2021-02-19 21:13:17,631 WARN L202 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 174 [2021-02-19 21:13:18,859 WARN L202 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 174 [2021-02-19 21:13:20,030 WARN L202 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 177 [2021-02-19 21:13:21,296 WARN L202 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 174 [2021-02-19 21:13:22,168 WARN L202 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 110 [2021-02-19 21:13:22,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:13:22,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:13:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:13:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:13:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:13:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:13:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:13:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:13:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:13:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-02-19 21:13:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-19 21:13:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:13:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-19 21:13:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-02-19 21:13:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:13:22,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:13:22,883 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable422 [2021-02-19 21:13:22,884 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:13:22,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:13:22,884 INFO L82 PathProgramCache]: Analyzing trace with hash -696677285, now seen corresponding path program 38 times [2021-02-19 21:13:22,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:13:22,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326281985] [2021-02-19 21:13:22,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:13:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:13:24,427 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:13:24,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326281985] [2021-02-19 21:13:24,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695105038] [2021-02-19 21:13:24,427 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 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:13:24,465 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 21:13:24,465 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:13:24,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-02-19 21:13:24,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:13:26,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:13:26,275 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:13:26,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-02-19 21:13:26,282 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:13:26,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:13:26,290 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 21:13:26,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:13:26,296 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 17 treesize of output 13 [2021-02-19 21:13:26,300 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 21:13:26,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:13:26,305 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 16 treesize of output 12 [2021-02-19 21:13:26,308 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-02-19 21:13:26,312 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-02-19 21:13:26,314 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-19 21:13:26,386 INFO L628 ElimStorePlain]: treesize reduction 26, result has 43.5 percent of original size [2021-02-19 21:13:26,386 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:13:26,387 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-02-19 21:13:26,388 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-02-19 21:13:26,556 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:13:26,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:13:26,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-02-19 21:13:26,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861023381] [2021-02-19 21:13:26,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-02-19 21:13:26,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:13:26,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-02-19 21:13:26,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-02-19 21:13:26,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:13:26,558 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:13:26,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.173913043478261) internal successors, (54), 46 states have internal predecessors, (54), 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) [2021-02-19 21:13:26,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:13:26,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:13:26,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:13:26,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:13:26,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:13:26,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:13:26,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:13:26,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:13:26,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:13:26,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-19 21:13:26,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:13:26,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-19 21:13:26,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-02-19 21:13:26,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:13:26,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:13:26,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:13:35,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:13:35,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:13:35,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:13:35,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:13:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:13:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:13:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:13:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:13:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:13:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-02-19 21:13:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-19 21:13:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:13:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-19 21:13:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-02-19 21:13:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:13:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:13:35,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-19 21:13:36,040 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable478,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:13:36,040 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:13:36,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:13:36,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1720139091, now seen corresponding path program 39 times [2021-02-19 21:13:36,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:13:36,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996193186] [2021-02-19 21:13:36,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:13:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:13:37,644 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:13:37,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996193186] [2021-02-19 21:13:37,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104716272] [2021-02-19 21:13:37,644 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 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:13:37,691 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-02-19 21:13:37,691 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:13:37,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 64 conjunts are in the unsatisfiable core [2021-02-19 21:13:37,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:13:39,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:13:39,442 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 16 treesize of output 12 [2021-02-19 21:13:39,445 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:13:39,450 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 15 treesize of output 11 [2021-02-19 21:13:39,452 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:13:39,497 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-02-19 21:13:39,497 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:13:39,499 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:13:39,499 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-02-19 21:13:39,634 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:13:39,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:13:39,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-02-19 21:13:39,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093167628] [2021-02-19 21:13:39,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-02-19 21:13:39,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:13:39,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-02-19 21:13:39,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-02-19 21:13:39,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:13:39,635 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:13:39,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.173913043478261) internal successors, (54), 46 states have internal predecessors, (54), 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) [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:13:39,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:13:39,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:13:39,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:13:39,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:13:39,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:13:39,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:13:39,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:13:39,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:13:39,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:13:39,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-02-19 21:13:39,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-19 21:13:39,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:13:39,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-19 21:13:39,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-02-19 21:13:39,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:13:39,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:13:39,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-19 21:13:39,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:13:44,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:13:44,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:13:44,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:13:44,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:13:44,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:13:44,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:13:44,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:13:44,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:13:44,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:13:44,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:13:44,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:13:44,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:13:44,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:13:44,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-02-19 21:13:44,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:13:44,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:13:44,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-19 21:13:44,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-02-19 21:13:44,237 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable485 [2021-02-19 21:13:44,237 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:13:44,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:13:44,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1785786425, now seen corresponding path program 40 times [2021-02-19 21:13:44,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:13:44,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625056601] [2021-02-19 21:13:44,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:13:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:13:45,285 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2021-02-19 21:13:45,489 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 28 [2021-02-19 21:13:45,681 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2021-02-19 21:13:45,878 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2021-02-19 21:13:46,090 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2021-02-19 21:13:46,307 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2021-02-19 21:13:46,524 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2021-02-19 21:13:46,742 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2021-02-19 21:13:46,960 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2021-02-19 21:13:47,195 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2021-02-19 21:13:47,423 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2021-02-19 21:13:47,657 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2021-02-19 21:13:47,894 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2021-02-19 21:13:48,138 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2021-02-19 21:13:48,384 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2021-02-19 21:13:48,606 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:13:48,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625056601] [2021-02-19 21:13:48,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401954882] [2021-02-19 21:13:48,607 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 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:13:48,652 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 21:13:48,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:13:48,659 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 173 conjunts are in the unsatisfiable core [2021-02-19 21:13:48,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:13:50,567 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-02-19 21:13:50,866 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-02-19 21:13:51,170 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-02-19 21:13:51,486 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-02-19 21:13:51,811 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 21:13:52,158 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-02-19 21:13:52,795 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-02-19 21:13:54,284 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2021-02-19 21:13:55,093 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-02-19 21:13:55,818 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-02-19 21:13:56,577 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-02-19 21:13:57,410 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-02-19 21:13:58,231 WARN L202 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-02-19 21:13:59,110 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-02-19 21:13:59,914 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-02-19 21:14:00,776 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-02-19 21:14:01,630 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-02-19 21:14:02,562 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-02-19 21:14:03,447 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-02-19 21:14:04,511 WARN L202 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-02-19 21:14:05,415 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-02-19 21:14:05,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:14:05,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:14:05,900 INFO L244 Elim1Store]: Index analysis took 317 ms [2021-02-19 21:14:05,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 91 disjoint index pairs (out of 105 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 110 [2021-02-19 21:14:05,918 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:14:06,051 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 7 [2021-02-19 21:14:06,053 INFO L628 ElimStorePlain]: treesize reduction 375, result has 2.8 percent of original size [2021-02-19 21:14:06,053 INFO L518 ElimStorePlain]: Eliminatee v_prenex_140 vanished before elimination [2021-02-19 21:14:06,053 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:14:06,053 INFO L518 ElimStorePlain]: Eliminatee v_prenex_139 vanished before elimination [2021-02-19 21:14:06,055 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:14:06,055 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:536, output treesize:11 [2021-02-19 21:14:06,350 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:14:06,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:14:06,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32] total 62 [2021-02-19 21:14:06,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413044999] [2021-02-19 21:14:06,350 INFO L460 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-02-19 21:14:06,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:14:06,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-02-19 21:14:06,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=3631, Unknown=0, NotChecked=0, Total=3782 [2021-02-19 21:14:06,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:14:06,351 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:14:06,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 1.1612903225806452) internal successors, (72), 62 states have internal predecessors, (72), 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) [2021-02-19 21:14:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:14:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:14:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:14:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:14:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:14:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:14:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:14:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:14:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:14:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:14:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:14:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:14:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:14:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:14:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:14:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:14:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:14:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:14:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:14:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:14:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:14:06,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:14:06,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:14:06,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:14:06,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:14:06,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:14:06,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:14:06,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:14:06,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:14:06,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:14:06,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:14:06,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:14:06,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:14:06,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-02-19 21:14:06,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-19 21:14:06,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:14:06,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-19 21:14:06,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-02-19 21:14:06,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:14:06,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:14:06,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-19 21:14:06,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-02-19 21:14:06,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:14:07,625 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-02-19 21:14:07,956 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-02-19 21:14:08,831 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-02-19 21:14:09,177 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-02-19 21:14:09,630 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-02-19 21:14:10,543 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-02-19 21:14:10,958 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-02-19 21:14:11,417 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-02-19 21:14:11,877 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-02-19 21:14:12,791 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-02-19 21:14:13,161 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-02-19 21:14:13,675 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-02-19 21:14:14,151 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-02-19 21:14:14,632 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-02-19 21:14:15,558 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-02-19 21:14:15,954 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-02-19 21:14:16,496 WARN L202 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-02-19 21:14:17,027 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-02-19 21:14:17,533 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-02-19 21:14:18,032 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-02-19 21:14:19,009 WARN L202 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 21:14:19,419 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-02-19 21:14:19,982 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-02-19 21:14:20,563 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-02-19 21:14:21,146 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-02-19 21:14:21,672 WARN L202 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 21:14:22,179 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-02-19 21:14:23,190 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-02-19 21:14:23,653 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-02-19 21:14:24,207 WARN L202 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-02-19 21:14:24,777 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-02-19 21:14:25,353 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-02-19 21:14:25,880 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-02-19 21:14:26,411 WARN L202 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-02-19 21:14:26,948 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-02-19 21:14:27,954 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-02-19 21:14:28,433 WARN L202 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-02-19 21:14:29,008 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-02-19 21:14:29,583 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-02-19 21:14:30,171 WARN L202 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-02-19 21:14:30,764 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-02-19 21:14:31,426 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-02-19 21:14:32,060 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-02-19 21:14:32,716 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-02-19 21:14:33,774 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-02-19 21:14:34,242 WARN L202 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-02-19 21:14:34,816 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-02-19 21:14:35,426 WARN L202 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-02-19 21:14:35,996 WARN L202 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-02-19 21:14:36,575 WARN L202 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-02-19 21:14:37,164 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-02-19 21:14:37,789 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-02-19 21:14:38,371 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-02-19 21:14:38,984 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-02-19 21:14:40,065 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-02-19 21:14:40,521 WARN L202 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-02-19 21:14:41,120 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-02-19 21:14:41,719 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-02-19 21:14:42,367 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-02-19 21:14:42,958 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-02-19 21:14:43,566 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-02-19 21:14:44,183 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-02-19 21:14:44,791 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-02-19 21:14:45,392 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-02-19 21:14:45,988 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-02-19 21:14:47,094 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-02-19 21:14:47,592 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-02-19 21:14:48,249 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-02-19 21:14:48,871 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-02-19 21:14:49,480 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-02-19 21:14:50,065 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-02-19 21:14:50,660 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-02-19 21:14:51,296 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-02-19 21:14:51,910 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-02-19 21:14:52,568 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-02-19 21:14:53,203 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-02-19 21:14:53,789 WARN L202 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-02-19 21:14:54,858 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-02-19 21:14:55,335 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-02-19 21:14:55,936 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-02-19 21:14:56,554 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-02-19 21:14:57,173 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-02-19 21:14:57,771 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-02-19 21:14:58,442 WARN L202 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-02-19 21:14:59,056 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-02-19 21:14:59,664 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-02-19 21:15:00,309 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-02-19 21:15:00,975 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-02-19 21:15:01,666 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-02-19 21:15:02,328 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-02-19 21:15:03,454 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2021-02-19 21:15:04,028 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-02-19 21:15:04,574 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-02-19 21:15:05,277 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-02-19 21:15:05,967 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-02-19 21:15:06,630 WARN L202 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-02-19 21:15:07,281 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-02-19 21:15:07,941 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-02-19 21:15:08,666 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-02-19 21:15:09,338 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-02-19 21:15:10,005 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-02-19 21:15:10,712 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-02-19 21:15:11,499 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-02-19 21:15:12,291 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-02-19 21:15:13,108 WARN L202 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-02-19 21:15:15,268 WARN L202 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 103 [2021-02-19 21:15:16,765 WARN L202 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 169 [2021-02-19 21:15:18,342 WARN L202 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 168 [2021-02-19 21:15:20,044 WARN L202 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 169 [2021-02-19 21:15:21,602 WARN L202 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 168 [2021-02-19 21:15:23,370 WARN L202 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 169 [2021-02-19 21:15:25,128 WARN L202 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 169 [2021-02-19 21:15:27,015 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 230 DAG size of output: 169 [2021-02-19 21:15:28,548 WARN L202 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 168 [2021-02-19 21:15:30,061 WARN L202 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 168 [2021-02-19 21:15:31,811 WARN L202 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 168 [2021-02-19 21:15:33,654 WARN L202 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 169 [2021-02-19 21:15:35,213 WARN L202 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 168 [2021-02-19 21:15:36,930 WARN L202 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 169 [2021-02-19 21:15:37,985 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2021-02-19 21:15:38,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:15:38,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:15:38,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:15:38,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:15:38,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:15:38,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:15:38,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:15:38,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:15:38,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:15:38,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:15:38,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:15:38,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-19 21:15:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-02-19 21:15:38,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:15:38,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:15:38,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-19 21:15:38,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-02-19 21:15:38,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-02-19 21:15:38,901 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable487 [2021-02-19 21:15:38,901 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:15:38,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:15:38,901 INFO L82 PathProgramCache]: Analyzing trace with hash 474113517, now seen corresponding path program 41 times [2021-02-19 21:15:38,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:15:38,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762654671] [2021-02-19 21:15:38,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:15:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:15:41,835 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:15:41,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762654671] [2021-02-19 21:15:41,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479296983] [2021-02-19 21:15:41,836 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 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:15:41,891 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-02-19 21:15:41,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:15:41,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-02-19 21:15:41,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:15:45,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-02-19 21:15:45,594 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:15:45,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:15:45,604 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 16 treesize of output 12 [2021-02-19 21:15:45,609 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:15:45,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-02-19 21:15:45,622 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 21:15:45,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:15:45,637 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 21:15:45,643 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:15:45,645 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 17 treesize of output 13 [2021-02-19 21:15:45,651 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-02-19 21:15:45,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-02-19 21:15:45,663 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-19 21:15:45,808 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 12 [2021-02-19 21:15:45,809 INFO L628 ElimStorePlain]: treesize reduction 34, result has 37.0 percent of original size [2021-02-19 21:15:45,809 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:15:45,812 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-02-19 21:15:45,812 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:107, output treesize:20 [2021-02-19 21:15:46,125 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:15:46,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:15:46,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-02-19 21:15:46,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881791009] [2021-02-19 21:15:46,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-02-19 21:15:46,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:15:46,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-02-19 21:15:46,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-02-19 21:15:46,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:15:46,126 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:15:46,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 states have internal predecessors, (57), 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) [2021-02-19 21:15:46,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:15:46,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:15:46,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:15:46,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:15:46,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:15:46,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:15:46,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:15:46,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:15:46,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:15:46,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-02-19 21:15:46,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-19 21:15:46,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:15:46,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-19 21:15:46,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-02-19 21:15:46,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:15:46,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:15:46,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-19 21:15:46,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-02-19 21:15:46,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-02-19 21:15:46,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:15:46,642 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 19 [2021-02-19 21:15:47,075 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 21 [2021-02-19 21:15:47,383 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 22 [2021-02-19 21:15:47,714 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 25 [2021-02-19 21:15:53,569 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2021-02-19 21:15:54,096 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-02-19 21:15:54,443 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-02-19 21:15:54,777 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-02-19 21:15:55,087 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-02-19 21:15:55,411 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-02-19 21:15:55,727 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-02-19 21:15:56,074 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-02-19 21:15:56,385 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-02-19 21:15:56,714 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-02-19 21:15:57,022 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-02-19 21:15:57,347 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-02-19 21:15:57,667 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-02-19 21:15:58,009 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-02-19 21:15:58,314 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-02-19 21:15:58,639 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-02-19 21:15:58,949 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-02-19 21:15:59,276 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-02-19 21:15:59,577 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-02-19 21:15:59,906 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-02-19 21:16:00,206 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-02-19 21:16:00,544 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-02-19 21:16:00,853 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-02-19 21:16:01,182 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-02-19 21:16:01,503 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-02-19 21:16:01,839 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-02-19 21:16:02,149 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-02-19 21:16:02,488 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-02-19 21:16:02,922 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-02-19 21:16:03,246 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-02-19 21:16:03,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:16:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:16:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:16:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:16:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:16:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:16:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:16:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:16:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:16:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-02-19 21:16:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-19 21:16:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:16:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-19 21:16:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-02-19 21:16:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:16:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:16:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-19 21:16:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-02-19 21:16:03,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-02-19 21:16:03,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-02-19 21:16:03,555 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable533,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:16:03,555 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:16:03,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:16:03,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1188431397, now seen corresponding path program 42 times [2021-02-19 21:16:03,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:16:03,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283656843] [2021-02-19 21:16:03,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:16:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:16:06,591 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:16:06,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283656843] [2021-02-19 21:16:06,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282319432] [2021-02-19 21:16:06,591 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 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:16:06,639 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-02-19 21:16:06,639 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:16:06,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-02-19 21:16:06,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:16:10,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:16:10,034 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 15 treesize of output 11 [2021-02-19 21:16:10,040 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:16:10,047 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 16 treesize of output 12 [2021-02-19 21:16:10,052 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:16:10,128 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-02-19 21:16:10,128 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:16:10,131 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:16:10,131 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-02-19 21:16:10,384 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:16:10,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:16:10,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-02-19 21:16:10,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722563615] [2021-02-19 21:16:10,385 INFO L460 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-02-19 21:16:10,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:16:10,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-02-19 21:16:10,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-02-19 21:16:10,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:16:10,386 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:16:10,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 states have internal predecessors, (57), 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) [2021-02-19 21:16:10,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:16:10,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:16:10,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:16:10,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:16:10,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:16:10,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:16:10,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:16:10,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:16:10,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:16:10,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:16:10,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:16:10,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:16:10,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:16:10,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-02-19 21:16:10,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:16:10,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:16:10,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-19 21:16:10,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-02-19 21:16:10,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-02-19 21:16:10,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-02-19 21:16:10,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:16:20,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:16:20,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:16:20,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:16:20,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:16:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:16:20,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:16:20,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:16:20,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:16:20,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-02-19 21:16:20,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-19 21:16:20,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:16:20,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-19 21:16:20,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-02-19 21:16:20,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:16:20,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:16:20,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-19 21:16:20,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-02-19 21:16:20,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-02-19 21:16:20,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-02-19 21:16:20,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:16:20,454 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable540 [2021-02-19 21:16:20,454 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:16:20,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:16:20,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1812250201, now seen corresponding path program 43 times [2021-02-19 21:16:20,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:16:20,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811535057] [2021-02-19 21:16:20,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:16:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:16:22,138 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 21 [2021-02-19 21:16:22,408 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 19 [2021-02-19 21:16:22,757 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 25 [2021-02-19 21:16:23,138 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2021-02-19 21:16:23,478 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 23 [2021-02-19 21:16:23,805 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 23 [2021-02-19 21:16:24,199 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2021-02-19 21:16:24,593 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2021-02-19 21:16:25,000 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2021-02-19 21:16:25,421 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2021-02-19 21:16:25,782 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 23 [2021-02-19 21:16:26,216 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2021-02-19 21:16:26,596 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 23 [2021-02-19 21:16:27,036 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2021-02-19 21:16:27,474 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2021-02-19 21:16:27,867 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 23 [2021-02-19 21:16:28,321 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2021-02-19 21:16:28,598 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:16:28,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811535057] [2021-02-19 21:16:28,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982862561] [2021-02-19 21:16:28,598 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 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:16:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:16:28,643 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 185 conjunts are in the unsatisfiable core [2021-02-19 21:16:28,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:16:29,026 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2021-02-19 21:16:29,385 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-02-19 21:16:29,774 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-02-19 21:16:30,173 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-02-19 21:16:30,581 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-02-19 21:16:31,019 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-02-19 21:16:31,491 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-02-19 21:16:31,975 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-02-19 21:16:32,471 WARN L202 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-02-19 21:16:32,983 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-02-19 21:16:33,510 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-02-19 21:16:34,058 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 21:16:34,623 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-02-19 21:16:35,207 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-02-19 21:16:36,715 WARN L202 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-02-19 21:16:38,849 WARN L202 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-02-19 21:16:40,138 WARN L202 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-02-19 21:16:41,371 WARN L202 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-02-19 21:16:42,576 WARN L202 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-02-19 21:16:43,828 WARN L202 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-02-19 21:16:45,114 WARN L202 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-02-19 21:16:46,376 WARN L202 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-02-19 21:16:47,634 WARN L202 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-02-19 21:16:48,967 WARN L202 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-02-19 21:16:50,315 WARN L202 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-02-19 21:16:51,692 WARN L202 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-02-19 21:16:52,929 WARN L202 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-02-19 21:16:54,237 WARN L202 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-02-19 21:16:55,626 WARN L202 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-02-19 21:16:56,936 WARN L202 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-02-19 21:16:57,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:16:57,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:57,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:16:58,390 INFO L244 Elim1Store]: Index analysis took 1173 ms [2021-02-19 21:16:58,393 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 181 treesize of output 119 [2021-02-19 21:16:58,421 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 21:16:58,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 21:16:58,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 21:16:58,979 INFO L244 Elim1Store]: Index analysis took 546 ms [2021-02-19 21:16:58,982 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 179 treesize of output 117 [2021-02-19 21:16:59,011 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 21:16:59,110 INFO L628 ElimStorePlain]: treesize reduction 227, result has 4.6 percent of original size [2021-02-19 21:16:59,110 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-02-19 21:16:59,110 INFO L518 ElimStorePlain]: Eliminatee v_prenex_158 vanished before elimination [2021-02-19 21:16:59,110 INFO L518 ElimStorePlain]: Eliminatee v_prenex_159 vanished before elimination [2021-02-19 21:16:59,113 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 21:16:59,113 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:569, output treesize:11 [2021-02-19 21:16:59,196 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:16:59,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:16:59,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34] total 65 [2021-02-19 21:16:59,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575468587] [2021-02-19 21:16:59,197 INFO L460 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-02-19 21:16:59,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:16:59,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-02-19 21:16:59,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=4002, Unknown=0, NotChecked=0, Total=4160 [2021-02-19 21:16:59,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:16:59,198 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:16:59,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 65 states, 65 states have (on average 1.123076923076923) internal successors, (73), 65 states have internal predecessors, (73), 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) [2021-02-19 21:16:59,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 21:16:59,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:16:59,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-02-19 21:16:59,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-02-19 21:16:59,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 21:16:59,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:16:59,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-02-19 21:16:59,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 21:16:59,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-02-19 21:16:59,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-19 21:16:59,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 21:16:59,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-19 21:16:59,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-02-19 21:16:59,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 21:16:59,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:16:59,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-19 21:16:59,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-02-19 21:16:59,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-02-19 21:16:59,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-02-19 21:16:59,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 21:16:59,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:17:01,711 WARN L202 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-02-19 21:17:02,313 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-02-19 21:17:04,075 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-02-19 21:17:04,760 WARN L202 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-02-19 21:17:05,470 WARN L202 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-02-19 21:17:07,115 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-02-19 21:17:07,705 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-02-19 21:17:08,616 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-02-19 21:17:09,343 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-02-19 21:17:11,118 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-02-19 21:17:11,844 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-02-19 21:17:12,692 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-02-19 21:17:13,660 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-02-19 21:17:14,430 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-02-19 21:17:16,165 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-02-19 21:17:16,893 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-02-19 21:17:17,900 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-02-19 21:17:18,774 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-02-19 21:17:19,708 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-02-19 21:17:20,538 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-02-19 21:17:22,488 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-02-19 21:17:23,231 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-02-19 21:17:24,232 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-02-19 21:17:25,185 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-02-19 21:17:26,039 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-02-19 21:17:26,968 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-02-19 21:17:27,719 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-02-19 21:17:29,448 WARN L202 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-02-19 21:17:30,280 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-02-19 21:17:31,374 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-02-19 21:17:32,418 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-02-19 21:17:33,391 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-02-19 21:17:34,237 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-02-19 21:17:35,182 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-02-19 21:17:36,004 WARN L202 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-02-19 21:17:37,892 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-02-19 21:17:38,617 WARN L202 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-02-19 21:17:39,703 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-02-19 21:17:40,710 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-02-19 21:17:41,809 WARN L202 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-02-19 21:17:42,836 WARN L202 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-02-19 21:17:43,806 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-02-19 21:17:44,830 WARN L202 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-02-19 21:17:45,689 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-02-19 21:17:47,698 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-02-19 21:17:48,530 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-02-19 21:17:49,495 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-02-19 21:17:50,676 WARN L202 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-02-19 21:17:51,759 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-02-19 21:17:52,821 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-02-19 21:17:53,885 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-02-19 21:17:54,833 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-02-19 21:17:55,916 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-02-19 21:17:56,785 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-02-19 21:17:58,766 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-02-19 21:17:59,632 WARN L202 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-02-19 21:18:00,748 WARN L202 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-02-19 21:18:01,769 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-02-19 21:18:02,940 WARN L202 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-02-19 21:18:03,978 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-02-19 21:18:05,057 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-02-19 21:18:06,133 WARN L202 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-02-19 21:18:07,081 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-02-19 21:18:08,142 WARN L202 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-02-19 21:18:08,994 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-02-19 21:18:10,956 WARN L202 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-02-19 21:18:11,812 WARN L202 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-02-19 21:18:12,870 WARN L202 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-02-19 21:18:13,939 WARN L202 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-02-19 21:18:14,896 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-02-19 21:18:16,061 WARN L202 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-02-19 21:18:17,052 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-02-19 21:18:18,077 WARN L202 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-02-19 21:18:19,102 WARN L202 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-02-19 21:18:20,076 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-02-19 21:18:21,138 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-02-19 21:18:22,038 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 21:18:23,962 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-02-19 21:18:24,852 WARN L202 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-02-19 21:18:25,969 WARN L202 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-02-19 21:18:27,031 WARN L202 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-02-19 21:18:28,087 WARN L202 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-02-19 21:18:29,045 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-02-19 21:18:30,270 WARN L202 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-02-19 21:18:31,355 WARN L202 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-02-19 21:18:32,510 WARN L202 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-02-19 21:18:33,530 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-02-19 21:18:34,449 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-02-19 21:18:35,447 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-02-19 21:18:36,271 WARN L202 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-02-19 21:18:38,078 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-02-19 21:18:38,838 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-02-19 21:18:39,873 WARN L202 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 111 Received shutdown request... [2021-02-19 21:18:40,525 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable542 [2021-02-19 21:18:40,525 WARN L545 AbstractCegarLoop]: Verification canceled [2021-02-19 21:18:40,528 WARN L224 ceAbstractionStarter]: Timeout [2021-02-19 21:18:40,529 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 09:18:40 BasicIcfg [2021-02-19 21:18:40,529 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 21:18:40,529 INFO L168 Benchmark]: Toolchain (without parser) took 556282.65 ms. Allocated memory was 360.7 MB in the beginning and 463.5 MB in the end (delta: 102.8 MB). Free memory was 340.9 MB in the beginning and 139.7 MB in the end (delta: 201.2 MB). Peak memory consumption was 307.2 MB. Max. memory is 16.0 GB. [2021-02-19 21:18:40,529 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 360.7 MB. Free memory was 342.1 MB in the beginning and 342.0 MB in the end (delta: 76.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-19 21:18:40,529 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.87 ms. Allocated memory is still 360.7 MB. Free memory was 340.4 MB in the beginning and 338.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-19 21:18:40,529 INFO L168 Benchmark]: Boogie Preprocessor took 10.68 ms. Allocated memory is still 360.7 MB. Free memory was 338.9 MB in the beginning and 337.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-19 21:18:40,529 INFO L168 Benchmark]: RCFGBuilder took 218.71 ms. Allocated memory is still 360.7 MB. Free memory was 337.8 MB in the beginning and 320.7 MB in the end (delta: 17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-02-19 21:18:40,529 INFO L168 Benchmark]: TraceAbstraction took 556029.43 ms. Allocated memory was 360.7 MB in the beginning and 463.5 MB in the end (delta: 102.8 MB). Free memory was 320.2 MB in the beginning and 139.7 MB in the end (delta: 180.5 MB). Peak memory consumption was 286.2 MB. Max. memory is 16.0 GB. [2021-02-19 21:18:40,529 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 360.7 MB. Free memory was 342.1 MB in the beginning and 342.0 MB in the end (delta: 76.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 17.87 ms. Allocated memory is still 360.7 MB. Free memory was 340.4 MB in the beginning and 338.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 10.68 ms. Allocated memory is still 360.7 MB. Free memory was 338.9 MB in the beginning and 337.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 218.71 ms. Allocated memory is still 360.7 MB. Free memory was 337.8 MB in the beginning and 320.7 MB in the end (delta: 17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 556029.43 ms. Allocated memory was 360.7 MB in the beginning and 463.5 MB in the end (delta: 102.8 MB). Free memory was 320.2 MB in the beginning and 139.7 MB in the end (delta: 180.5 MB). Peak memory consumption was 286.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 65). Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 159 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 555.9s, OverallIterations: 46, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 157.9s InterpolantComputationTime, 2279 NumberOfCodeBlocks, 2279 NumberOfCodeBlocksAsserted, 195 NumberOfCheckSat, 2189 ConstructedInterpolants, 165 QuantifiedInterpolants, 2597201 SizeOfPredicates, 294 NumberOfNonLiveVariables, 6744 ConjunctsInSsa, 2645 ConjunctsInUnsatCore, 90 InterpolantComputations, 2 PerfectInterpolantSequences, 239/7679 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