/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 06:33:07,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 06:33:07,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 06:33:07,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 06:33:07,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 06:33:07,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 06:33:07,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 06:33:07,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 06:33:07,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 06:33:07,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 06:33:07,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 06:33:07,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 06:33:07,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 06:33:07,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 06:33:07,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 06:33:07,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 06:33:07,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 06:33:07,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 06:33:07,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 06:33:07,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 06:33:07,637 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf [2021-07-10 06:33:07,662 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 06:33:07,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 06:33:07,663 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 06:33:07,663 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 06:33:07,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 06:33:07,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 06:33:07,665 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 06:33:07,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 06:33:07,665 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 06:33:07,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 06:33:07,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 06:33:07,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 06:33:07,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 06:33:07,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 06:33:07,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 06:33:07,666 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 06:33:07,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 06:33:07,666 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 06:33:07,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 06:33:07,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 06:33:07,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 06:33:07,667 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 06:33:07,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 06:33:07,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 06:33:07,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 06:33:07,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 06:33:07,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 06:33:07,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 06:33:07,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 06:33:07,677 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 06:33:07,677 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 06:33:07,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 06:33:07,677 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 06:33:07,678 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 06:33:07,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 06:33:07,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 06:33:07,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 06:33:07,923 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 06:33:07,925 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 06:33:07,925 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl [2021-07-10 06:33:07,926 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl' [2021-07-10 06:33:07,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 06:33:07,950 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 06:33:07,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 06:33:07,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 06:33:07,952 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 06:33:07,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:33:07" (1/1) ... [2021-07-10 06:33:07,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:33:07" (1/1) ... [2021-07-10 06:33:07,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 06:33:07,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 06:33:07,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 06:33:07,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 06:33:07,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:33:07" (1/1) ... [2021-07-10 06:33:07,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:33:07" (1/1) ... [2021-07-10 06:33:07,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:33:07" (1/1) ... [2021-07-10 06:33:07,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:33:07" (1/1) ... [2021-07-10 06:33:07,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:33:07" (1/1) ... [2021-07-10 06:33:08,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:33:07" (1/1) ... [2021-07-10 06:33:08,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:33:07" (1/1) ... [2021-07-10 06:33:08,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 06:33:08,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 06:33:08,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 06:33:08,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 06:33:08,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:33:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 06:33:08,074 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 06:33:08,074 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 06:33:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 06:33:08,074 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 06:33:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 06:33:08,075 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 06:33:08,075 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 06:33:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 06:33:08,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 06:33:08,075 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 06:33:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 06:33:08,075 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 06:33:08,076 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 06:33:08,257 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 06:33:08,257 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 06:33:08,258 INFO L202 PluginConnector]: Adding new model array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:33:08 BoogieIcfgContainer [2021-07-10 06:33:08,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 06:33:08,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 06:33:08,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 06:33:08,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 06:33:08,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:33:07" (1/2) ... [2021-07-10 06:33:08,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd68bd5 and model type array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:33:08, skipping insertion in model container [2021-07-10 06:33:08,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:33:08" (2/2) ... [2021-07-10 06:33:08,263 INFO L111 eAbstractionObserver]: Analyzing ICFG array-sum.wvr.bpl [2021-07-10 06:33:08,267 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 06:33:08,267 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 06:33:08,267 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 06:33:08,268 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 06:33:08,329 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-10 06:33:08,345 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 06:33:08,379 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 06:33:08,379 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 06:33:08,379 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 06:33:08,379 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 06:33:08,379 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 06:33:08,379 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 06:33:08,379 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 06:33:08,380 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 06:33:08,463 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:33:08,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:33:08,466 INFO L82 PathProgramCache]: Analyzing trace with hash -818971924, now seen corresponding path program 1 times [2021-07-10 06:33:08,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:33:08,472 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632168177] [2021-07-10 06:33:08,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:33:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:33:08,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:33:08,563 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:33:08,563 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632168177] [2021-07-10 06:33:08,564 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632168177] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 06:33:08,564 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 06:33:08,564 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 06:33:08,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904063163] [2021-07-10 06:33:08,567 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 06:33:08,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:33:08,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 06:33:08,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 06:33:08,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:08,580 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:33:08,585 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2021-07-10 06:33:08,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:08,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:08,599 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 06:33:08,599 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:33:08,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:33:08,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1308164357, now seen corresponding path program 1 times [2021-07-10 06:33:08,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:33:08,600 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796600286] [2021-07-10 06:33:08,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:33:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:33:08,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 06:33:08,637 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:33:08,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796600286] [2021-07-10 06:33:08,637 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796600286] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 06:33:08,637 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 06:33:08,637 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 06:33:08,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994908721] [2021-07-10 06:33:08,638 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 06:33:08,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:33:08,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 06:33:08,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 06:33:08,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:08,639 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:33:08,639 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 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) [2021-07-10 06:33:08,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:08,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:08,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:08,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:08,682 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 06:33:08,682 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:33:08,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:33:08,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1510655916, now seen corresponding path program 1 times [2021-07-10 06:33:08,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:33:08,684 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971545433] [2021-07-10 06:33:08,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:33:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:33:09,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:33:09,112 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:33:09,112 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971545433] [2021-07-10 06:33:09,112 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971545433] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:09,112 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678303630] [2021-07-10 06:33:09,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:33:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:33:09,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 06:33:09,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:33:09,387 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 28 treesize of output 22 [2021-07-10 06:33:09,391 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:33:09,397 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:33:09,397 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-07-10 06:33:09,401 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:33:09,401 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:7 [2021-07-10 06:33:09,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:33:09,444 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678303630] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:09,444 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:33:09,444 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 13 [2021-07-10 06:33:09,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261099000] [2021-07-10 06:33:09,446 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 06:33:09,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:33:09,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 06:33:09,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-07-10 06:33:09,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:09,449 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:33:09,449 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:33:09,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:09,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:09,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:09,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:09,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:09,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:33:09,860 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:33:09,861 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:33:09,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:33:09,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1336722555, now seen corresponding path program 2 times [2021-07-10 06:33:09,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:33:09,862 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746974361] [2021-07-10 06:33:09,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:33:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:33:09,917 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:33:09,917 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:33:09,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746974361] [2021-07-10 06:33:09,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746974361] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:09,918 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296968586] [2021-07-10 06:33:09,920 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:33:09,959 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:33:09,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:33:09,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 06:33:09,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:33:10,068 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:33:10,068 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296968586] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:10,068 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:33:10,068 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-10 06:33:10,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856261809] [2021-07-10 06:33:10,069 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 06:33:10,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:33:10,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 06:33:10,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-10 06:33:10,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:10,070 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:33:10,070 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 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) [2021-07-10 06:33:10,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:10,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:10,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:33:10,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:10,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:10,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:10,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:33:10,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:33:10,432 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:33:10,433 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:33:10,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:33:10,433 INFO L82 PathProgramCache]: Analyzing trace with hash -197403589, now seen corresponding path program 1 times [2021-07-10 06:33:10,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:33:10,434 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099180660] [2021-07-10 06:33:10,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:33:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:33:10,486 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 06:33:10,486 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:33:10,486 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099180660] [2021-07-10 06:33:10,486 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099180660] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:10,486 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249200656] [2021-07-10 06:33:10,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:33:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:33:10,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 06:33:10,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:33:10,612 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 06:33:10,612 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249200656] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:10,613 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:33:10,613 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-10 06:33:10,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967531576] [2021-07-10 06:33:10,614 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 06:33:10,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:33:10,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 06:33:10,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-10 06:33:10,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:10,615 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:33:10,615 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 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) [2021-07-10 06:33:10,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:10,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:10,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:33:10,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:33:10,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:10,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:10,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:10,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:33:10,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:33:10,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:33:10,936 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:33:10,937 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:33:10,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:33:10,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1770530740, now seen corresponding path program 2 times [2021-07-10 06:33:10,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:33:10,938 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548714930] [2021-07-10 06:33:10,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:33:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:33:11,437 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:33:11,437 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:33:11,437 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548714930] [2021-07-10 06:33:11,437 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548714930] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:11,437 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583042410] [2021-07-10 06:33:11,437 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:33:11,475 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:33:11,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:33:11,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-10 06:33:11,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:33:12,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:33:12,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:12,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:12,092 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 43 treesize of output 31 [2021-07-10 06:33:12,094 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:33:12,099 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:33:12,101 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:33:12,101 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 12 treesize of output 3 [2021-07-10 06:33:12,102 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 06:33:12,107 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:33:12,108 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:33:12,109 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:52, output treesize:3 [2021-07-10 06:33:12,138 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:33:12,138 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583042410] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:12,138 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:33:12,138 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-07-10 06:33:12,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690126266] [2021-07-10 06:33:12,138 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-10 06:33:12,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:33:12,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-10 06:33:12,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=741, Unknown=0, NotChecked=0, Total=870 [2021-07-10 06:33:12,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:12,139 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:33:12,139 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.0) internal successors, (60), 30 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) [2021-07-10 06:33:12,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:12,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:12,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:33:12,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:33:12,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:33:12,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:13,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:13,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:13,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:33:13,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:33:13,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:33:13,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:33:13,631 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-10 06:33:13,632 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:33:13,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:33:13,632 INFO L82 PathProgramCache]: Analyzing trace with hash -118352229, now seen corresponding path program 3 times [2021-07-10 06:33:13,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:33:13,632 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035325954] [2021-07-10 06:33:13,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:33:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:33:13,702 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:33:13,702 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:33:13,702 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035325954] [2021-07-10 06:33:13,703 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035325954] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:13,703 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818761888] [2021-07-10 06:33:13,703 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:33:13,739 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 06:33:13,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:33:13,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 06:33:13,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:33:13,877 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:33:13,878 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818761888] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:13,878 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:33:13,878 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-07-10 06:33:13,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852031444] [2021-07-10 06:33:13,878 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 06:33:13,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:33:13,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 06:33:13,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-07-10 06:33:13,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:13,879 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:33:13,879 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.2) internal successors, (64), 20 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:33:13,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:13,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:13,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:33:13,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:33:13,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:33:13,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:33:13,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:33:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:33:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:33:14,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:33:14,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:33:14,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:33:14,457 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:33:14,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:33:14,457 INFO L82 PathProgramCache]: Analyzing trace with hash 830674523, now seen corresponding path program 4 times [2021-07-10 06:33:14,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:33:14,458 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056803842] [2021-07-10 06:33:14,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:33:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:33:14,527 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 06:33:14,527 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:33:14,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056803842] [2021-07-10 06:33:14,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056803842] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:14,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013045778] [2021-07-10 06:33:14,527 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:33:14,557 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 06:33:14,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:33:14,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 06:33:14,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:33:14,685 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 06:33:14,685 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013045778] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:14,685 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:33:14,685 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-07-10 06:33:14,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118122212] [2021-07-10 06:33:14,686 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 06:33:14,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:33:14,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 06:33:14,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-07-10 06:33:14,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:14,686 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:33:14,686 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 17 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:33:14,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:14,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:14,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:33:14,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:33:14,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:33:14,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:33:14,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:33:14,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:14,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:14,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:14,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:33:14,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:33:14,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:33:14,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:33:14,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:33:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:33:15,065 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:33:15,065 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:33:15,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:33:15,066 INFO L82 PathProgramCache]: Analyzing trace with hash 609779948, now seen corresponding path program 5 times [2021-07-10 06:33:15,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:33:15,066 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777736] [2021-07-10 06:33:15,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:33:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:33:15,871 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:33:15,871 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:33:15,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777736] [2021-07-10 06:33:15,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777736] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:15,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263793298] [2021-07-10 06:33:15,871 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:33:15,904 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 06:33:15,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:33:15,905 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2021-07-10 06:33:15,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:33:16,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:16,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:33:16,893 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 67 treesize of output 47 [2021-07-10 06:33:16,894 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:33:16,898 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:33:16,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:33:16,901 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 12 treesize of output 3 [2021-07-10 06:33:16,902 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 06:33:16,906 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:33:16,907 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:33:16,907 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:73, output treesize:3 [2021-07-10 06:33:16,941 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:33:16,941 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263793298] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:16,941 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:33:16,941 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 46 [2021-07-10 06:33:16,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606875102] [2021-07-10 06:33:16,942 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-10 06:33:16,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:33:16,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-10 06:33:16,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1918, Unknown=0, NotChecked=0, Total=2070 [2021-07-10 06:33:16,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:16,943 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:33:16,943 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.8478260869565217) internal successors, (85), 46 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:16,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:16,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:33:16,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:33:16,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:33:16,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:33:16,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:33:16,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:33:16,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:20,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:20,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:20,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:33:20,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:33:20,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:33:20,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:33:20,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:33:20,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:33:20,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:33:20,552 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-07-10 06:33:20,552 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:33:20,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:33:20,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1087328788, now seen corresponding path program 6 times [2021-07-10 06:33:20,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:33:20,553 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480872422] [2021-07-10 06:33:20,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:33:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:33:21,673 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:33:21,674 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:33:21,674 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480872422] [2021-07-10 06:33:21,674 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480872422] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:21,674 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565753256] [2021-07-10 06:33:21,674 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:33:21,713 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-10 06:33:21,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:33:21,714 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-10 06:33:21,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:33:23,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:23,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:33:23,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:23,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:33:23,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 57 [2021-07-10 06:33:23,547 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:33:23,554 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:33:23,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:23,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:33:23,557 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:33:23,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 3 [2021-07-10 06:33:23,558 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 06:33:23,565 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:33:23,565 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:33:23,566 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:16 [2021-07-10 06:33:23,719 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:33:23,719 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565753256] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:23,719 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:33:23,719 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 33] total 61 [2021-07-10 06:33:23,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823956412] [2021-07-10 06:33:23,719 INFO L462 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-07-10 06:33:23,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:33:23,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-07-10 06:33:23,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=292, Invalid=3368, Unknown=0, NotChecked=0, Total=3660 [2021-07-10 06:33:23,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:23,721 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:33:23,721 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 61 states, 61 states have (on average 1.6065573770491803) internal successors, (98), 61 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:33:23,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:23,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:23,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:33:23,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:33:23,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:33:23,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:33:23,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:33:23,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:33:23,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:33:23,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:26,106 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2021-07-10 06:33:26,437 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2021-07-10 06:33:26,801 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2021-07-10 06:33:27,048 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2021-07-10 06:33:27,497 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2021-07-10 06:33:27,814 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2021-07-10 06:33:28,339 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2021-07-10 06:33:29,089 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 93 [2021-07-10 06:33:29,275 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2021-07-10 06:33:29,562 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 81 [2021-07-10 06:33:29,839 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2021-07-10 06:33:30,099 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2021-07-10 06:33:30,311 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2021-07-10 06:33:31,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:31,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:31,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:33:31,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:33:31,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:33:31,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:33:31,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:33:31,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:33:31,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:33:31,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:33:32,020 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:33:32,020 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:33:32,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:33:32,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1172803821, now seen corresponding path program 7 times [2021-07-10 06:33:32,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:33:32,021 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741273756] [2021-07-10 06:33:32,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:33:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:33:33,178 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:33:33,179 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:33:33,179 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741273756] [2021-07-10 06:33:33,179 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741273756] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:33,179 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293421960] [2021-07-10 06:33:33,179 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:33:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:33:33,212 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 64 conjunts are in the unsatisfiable core [2021-07-10 06:33:33,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:33:35,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:35,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:33:35,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:35,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:35,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:35,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:35,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:35,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:35,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:35,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:35,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:35,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:33:35,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:35,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:35,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:35,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:33:35,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:35,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:35,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 104 [2021-07-10 06:33:35,179 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:33:35,188 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:33:35,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:35,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:35,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:33:35,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:35,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:35,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:35,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:33:35,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:35,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:33:35,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 7 [2021-07-10 06:33:35,203 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 06:33:35,210 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:33:35,211 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:33:35,211 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:170, output treesize:7 [2021-07-10 06:33:35,256 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:33:35,256 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293421960] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:35,256 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:33:35,257 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32] total 51 [2021-07-10 06:33:35,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814674376] [2021-07-10 06:33:35,257 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-07-10 06:33:35,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:33:35,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-07-10 06:33:35,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=2413, Unknown=0, NotChecked=0, Total=2550 [2021-07-10 06:33:35,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:35,258 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:33:35,258 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 1.7450980392156863) internal successors, (89), 51 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:33:35,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:35,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:35,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:33:35,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:33:35,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:33:35,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:33:35,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:33:35,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:33:35,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:33:35,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:33:35,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:35,785 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 117 [2021-07-10 06:33:36,297 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 121 [2021-07-10 06:33:36,861 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 122 [2021-07-10 06:33:37,422 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 124 [2021-07-10 06:33:37,956 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 122 [2021-07-10 06:33:38,455 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 114 [2021-07-10 06:33:38,962 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 112 [2021-07-10 06:33:39,485 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 119 [2021-07-10 06:33:40,039 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 117 [2021-07-10 06:33:40,564 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 119 [2021-07-10 06:33:41,118 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 129 [2021-07-10 06:33:41,679 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 129 [2021-07-10 06:33:42,218 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 126 [2021-07-10 06:33:42,937 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 133 [2021-07-10 06:33:43,258 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-07-10 06:33:43,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:43,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:43,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:33:43,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:33:43,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:33:43,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:33:43,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:33:43,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:33:43,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:33:43,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:33:43,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:33:43,873 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:33:43,873 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:33:43,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:33:43,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1277194338, now seen corresponding path program 8 times [2021-07-10 06:33:43,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:33:43,874 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211880236] [2021-07-10 06:33:43,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:33:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:33:44,014 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 51 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:33:44,014 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:33:44,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211880236] [2021-07-10 06:33:44,015 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211880236] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:44,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537577885] [2021-07-10 06:33:44,015 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:33:44,045 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:33:44,046 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:33:44,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 06:33:44,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:33:44,403 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 70 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:33:44,403 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537577885] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:44,403 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:33:44,403 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 35 [2021-07-10 06:33:44,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799041601] [2021-07-10 06:33:44,404 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-10 06:33:44,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:33:44,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-10 06:33:44,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=980, Unknown=0, NotChecked=0, Total=1190 [2021-07-10 06:33:44,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:44,405 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:33:44,405 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.1142857142857143) internal successors, (109), 35 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:33:44,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:44,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:44,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:33:44,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:33:44,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:33:44,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:33:44,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:33:44,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:33:44,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:33:44,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:33:44,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:33:44,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:33:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:33:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:33:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:33:45,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:33:45,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:33:45,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:33:45,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:33:45,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:33:45,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:33:45,496 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-07-10 06:33:45,497 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:33:45,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:33:45,497 INFO L82 PathProgramCache]: Analyzing trace with hash 649334796, now seen corresponding path program 9 times [2021-07-10 06:33:45,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:33:45,497 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506720910] [2021-07-10 06:33:45,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:33:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:33:45,673 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 75 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:33:45,674 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:33:45,674 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506720910] [2021-07-10 06:33:45,674 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506720910] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:45,674 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717760631] [2021-07-10 06:33:45,674 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:33:45,711 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-10 06:33:45,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:33:45,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-10 06:33:45,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:33:46,121 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 75 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:33:46,122 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717760631] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:46,122 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:33:46,122 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 40 [2021-07-10 06:33:46,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636649412] [2021-07-10 06:33:46,122 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-10 06:33:46,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:33:46,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-10 06:33:46,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=1261, Unknown=0, NotChecked=0, Total=1560 [2021-07-10 06:33:46,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:46,123 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:33:46,123 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 3.1) internal successors, (124), 40 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:33:46,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:46,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:46,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:33:46,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:33:46,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:33:46,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:33:46,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:33:46,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:33:46,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:33:46,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:33:46,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:33:46,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:33:46,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:46,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:46,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:46,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:33:46,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:33:46,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:33:46,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:33:46,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:33:46,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:33:46,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:33:46,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:33:46,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:33:46,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:33:46,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:33:46,711 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-07-10 06:33:46,711 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:33:46,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:33:46,712 INFO L82 PathProgramCache]: Analyzing trace with hash 171021019, now seen corresponding path program 10 times [2021-07-10 06:33:46,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:33:46,712 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341899965] [2021-07-10 06:33:46,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:33:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:33:46,872 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 75 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:33:46,872 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:33:46,872 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341899965] [2021-07-10 06:33:46,872 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341899965] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:46,872 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892647587] [2021-07-10 06:33:46,872 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:33:46,914 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 06:33:46,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:33:46,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 06:33:46,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:33:47,329 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 75 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:33:47,329 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892647587] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:47,330 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:33:47,330 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 42 [2021-07-10 06:33:47,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590440599] [2021-07-10 06:33:47,330 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-10 06:33:47,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:33:47,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-10 06:33:47,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=1390, Unknown=0, NotChecked=0, Total=1722 [2021-07-10 06:33:47,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:47,331 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:33:47,331 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 3.0952380952380953) internal successors, (130), 42 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:33:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:33:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:33:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:33:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:33:47,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:33:47,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:33:47,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:33:47,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:33:47,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:33:47,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:33:47,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:33:47,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:47,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:33:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:33:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:33:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:33:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:33:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:33:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:33:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:33:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:33:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:33:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:33:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:33:47,929 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-10 06:33:47,929 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:33:47,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:33:47,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1426778540, now seen corresponding path program 11 times [2021-07-10 06:33:47,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:33:47,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270385632] [2021-07-10 06:33:47,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:33:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:33:50,123 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:33:50,124 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:33:50,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270385632] [2021-07-10 06:33:50,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270385632] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:50,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992983097] [2021-07-10 06:33:50,124 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:33:50,167 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-07-10 06:33:50,168 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:33:50,169 WARN L261 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 87 conjunts are in the unsatisfiable core [2021-07-10 06:33:50,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:33:55,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:33:55,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:55,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:55,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:55,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:55,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:55,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:55,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:55,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:55,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:55,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:55,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:55,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:55,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:55,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:55,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:33:55,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:55,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:55,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:55,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:55,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:55,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 45 disjoint index pairs (out of 66 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 91 [2021-07-10 06:33:55,637 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:33:55,643 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:33:55,645 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:33:55,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:55,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:33:55,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:33:55,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 3 [2021-07-10 06:33:55,648 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 06:33:55,653 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:33:55,654 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:33:55,654 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:146, output treesize:3 [2021-07-10 06:33:55,714 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:33:55,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992983097] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:33:55,714 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:33:55,714 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 86 [2021-07-10 06:33:55,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552703368] [2021-07-10 06:33:55,715 INFO L462 AbstractCegarLoop]: Interpolant automaton has 86 states [2021-07-10 06:33:55,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:33:55,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-07-10 06:33:55,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=7101, Unknown=0, NotChecked=0, Total=7310 [2021-07-10 06:33:55,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:55,716 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:33:55,717 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 86 states, 86 states have (on average 1.6627906976744187) internal successors, (143), 86 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:33:55,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:33:55,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:33:55,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:33:55,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:33:55,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:33:55,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:33:55,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:33:55,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:33:55,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:33:55,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:33:55,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:33:55,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:33:55,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:33:55,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:33:55,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:33:56,817 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 180 [2021-07-10 06:33:57,933 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 184 [2021-07-10 06:33:59,095 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 185 [2021-07-10 06:34:00,287 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 187 [2021-07-10 06:34:01,473 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 185 [2021-07-10 06:34:02,638 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 177 [2021-07-10 06:34:03,858 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2021-07-10 06:34:05,110 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 182 [2021-07-10 06:34:06,266 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 180 [2021-07-10 06:34:07,433 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 182 [2021-07-10 06:34:08,580 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 180 [2021-07-10 06:34:09,732 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 182 [2021-07-10 06:34:10,891 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 180 [2021-07-10 06:34:12,025 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 182 [2021-07-10 06:34:13,169 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 180 [2021-07-10 06:34:14,444 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 182 [2021-07-10 06:34:15,730 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2021-07-10 06:34:17,375 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2021-07-10 06:34:18,685 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 185 [2021-07-10 06:34:20,278 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 190 [2021-07-10 06:34:21,693 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 192 [2021-07-10 06:34:22,148 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-07-10 06:34:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:34:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:34:22,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:34:22,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:34:22,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:34:22,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:34:22,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:34:22,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:34:22,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:34:22,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:34:22,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:34:22,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:34:22,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:34:22,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:34:22,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:34:22,816 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:34:22,816 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:34:22,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:34:22,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1761028805, now seen corresponding path program 12 times [2021-07-10 06:34:22,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:34:22,817 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983480256] [2021-07-10 06:34:22,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:34:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:34:23,053 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 117 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:34:23,053 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:34:23,053 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983480256] [2021-07-10 06:34:23,053 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983480256] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:34:23,053 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946937516] [2021-07-10 06:34:23,053 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:34:23,094 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-07-10 06:34:23,095 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:34:23,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-10 06:34:23,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:34:23,649 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 145 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:34:23,649 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946937516] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:34:23,649 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:34:23,649 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 47 [2021-07-10 06:34:23,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227902457] [2021-07-10 06:34:23,650 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-10 06:34:23,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:34:23,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-10 06:34:23,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=381, Invalid=1781, Unknown=0, NotChecked=0, Total=2162 [2021-07-10 06:34:23,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:34:23,650 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:34:23,651 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 3.0851063829787235) internal successors, (145), 47 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:34:23,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:34:23,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:34:23,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:34:23,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:34:23,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:34:23,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:34:23,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:34:23,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:34:23,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:34:23,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:34:23,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:34:23,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:34:23,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:34:23,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:34:23,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:34:23,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:34:25,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:34:25,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:34:25,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:34:25,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:34:25,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:34:25,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:34:25,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:34:25,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:34:25,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:34:25,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:34:25,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:34:25,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:34:25,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:34:25,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:34:25,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:34:25,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:34:25,472 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-10 06:34:25,473 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:34:25,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:34:25,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1664946003, now seen corresponding path program 13 times [2021-07-10 06:34:25,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:34:25,473 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493933261] [2021-07-10 06:34:25,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:34:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:34:25,742 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 150 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:34:25,743 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:34:25,743 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493933261] [2021-07-10 06:34:25,743 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493933261] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:34:25,743 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965963041] [2021-07-10 06:34:25,743 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:34:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:34:25,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-10 06:34:25,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:34:26,421 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 176 proven. 176 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-10 06:34:26,421 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965963041] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:34:26,421 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:34:26,422 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 26] total 52 [2021-07-10 06:34:26,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577276974] [2021-07-10 06:34:26,422 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-10 06:34:26,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:34:26,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-10 06:34:26,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=2295, Unknown=0, NotChecked=0, Total=2652 [2021-07-10 06:34:26,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:34:26,423 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:34:26,423 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 3.173076923076923) internal successors, (165), 52 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:34:26,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:34:26,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:34:26,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:34:26,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:34:26,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:34:26,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:34:26,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:34:26,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:34:26,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:34:26,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:34:26,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:34:26,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:34:26,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:34:26,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:34:26,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:34:26,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:34:26,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:34:27,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:34:27,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:34:27,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:34:27,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:34:27,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:34:27,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:34:27,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:34:27,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:34:27,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:34:27,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:34:27,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:34:27,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:34:27,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:34:27,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:34:27,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:34:27,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:34:27,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:34:27,790 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-10 06:34:27,790 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:34:27,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:34:27,791 INFO L82 PathProgramCache]: Analyzing trace with hash 333651042, now seen corresponding path program 14 times [2021-07-10 06:34:27,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:34:27,791 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300163637] [2021-07-10 06:34:27,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:34:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:34:28,053 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 150 proven. 241 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:34:28,053 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:34:28,054 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300163637] [2021-07-10 06:34:28,054 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300163637] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:34:28,054 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416039019] [2021-07-10 06:34:28,054 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:34:28,105 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:34:28,105 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:34:28,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-10 06:34:28,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:34:28,798 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 150 proven. 241 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:34:28,798 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416039019] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:34:28,798 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:34:28,798 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 54 [2021-07-10 06:34:28,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818071657] [2021-07-10 06:34:28,798 INFO L462 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-07-10 06:34:28,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:34:28,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-07-10 06:34:28,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=545, Invalid=2317, Unknown=0, NotChecked=0, Total=2862 [2021-07-10 06:34:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:34:28,799 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:34:28,799 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 3.074074074074074) internal successors, (166), 54 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:34:28,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:34:28,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:34:28,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:34:28,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:34:28,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:34:28,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:34:28,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:34:28,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:34:28,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:34:28,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:34:28,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:34:28,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:34:28,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:34:28,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:34:28,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:34:28,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:34:28,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:34:28,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:34:29,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:34:29,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:34:29,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:34:29,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:34:29,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:34:29,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:34:29,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:34:29,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:34:29,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:34:29,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:34:29,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:34:29,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:34:29,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:34:29,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:34:29,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:34:29,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:34:29,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:34:29,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:34:29,564 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-10 06:34:29,565 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:34:29,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:34:29,565 INFO L82 PathProgramCache]: Analyzing trace with hash -546520845, now seen corresponding path program 15 times [2021-07-10 06:34:29,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:34:29,566 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345304877] [2021-07-10 06:34:29,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:34:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:34:33,481 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 428 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:34:33,482 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:34:33,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345304877] [2021-07-10 06:34:33,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345304877] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:34:33,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312745736] [2021-07-10 06:34:33,482 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:34:33,544 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-07-10 06:34:33,545 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:34:33,546 WARN L261 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 117 conjunts are in the unsatisfiable core [2021-07-10 06:34:33,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:34:52,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:34:52,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:52,214 INFO L244 Elim1Store]: Index analysis took 128 ms [2021-07-10 06:34:52,535 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-07-10 06:34:52,535 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:34:52,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 174 disjoint index pairs (out of 231 index pairs), introduced 21 new quantified variables, introduced 36 case distinctions, treesize of input 304 treesize of output 568 [2021-07-10 06:34:53,652 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-07-10 06:34:53,710 INFO L628 ElimStorePlain]: treesize reduction 4, result has 97.9 percent of original size [2021-07-10 06:34:53,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:34:53,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:34:53,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:34:53,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,746 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:34:53,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:34:53,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:34:53,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:34:53,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:34:53,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:34:53,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:34:53,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 7 [2021-07-10 06:34:53,764 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 06:34:53,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:34:53,786 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:34:53,786 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:331, output treesize:24 [2021-07-10 06:34:54,345 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 428 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:34:54,345 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312745736] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:34:54,345 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:34:54,345 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 61] total 105 [2021-07-10 06:34:54,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522093696] [2021-07-10 06:34:54,346 INFO L462 AbstractCegarLoop]: Interpolant automaton has 105 states [2021-07-10 06:34:54,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:34:54,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2021-07-10 06:34:54,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=10668, Unknown=0, NotChecked=0, Total=10920 [2021-07-10 06:34:54,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:34:54,348 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:34:54,348 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 105 states, 105 states have (on average 1.561904761904762) internal successors, (164), 105 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:34:54,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:34:54,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:34:54,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:34:54,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:34:54,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:34:54,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:34:54,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:34:54,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:34:54,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:34:54,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:34:54,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:34:54,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:34:54,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:34:54,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:34:54,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:34:54,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:34:54,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:34:54,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:34:54,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:34:56,578 WARN L205 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2021-07-10 06:34:59,001 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 247 [2021-07-10 06:35:01,704 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 248 DAG size of output: 248 [2021-07-10 06:35:04,587 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 250 DAG size of output: 250 [2021-07-10 06:35:07,804 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 248 DAG size of output: 248 [2021-07-10 06:35:10,789 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 240 DAG size of output: 240 [2021-07-10 06:35:13,615 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 238 DAG size of output: 238 [2021-07-10 06:35:18,686 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2021-07-10 06:35:22,000 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2021-07-10 06:35:26,944 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2021-07-10 06:35:30,121 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2021-07-10 06:35:33,441 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2021-07-10 06:35:41,040 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2021-07-10 06:35:44,592 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2021-07-10 06:35:48,010 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2021-07-10 06:35:51,593 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2021-07-10 06:35:54,730 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2021-07-10 06:35:57,828 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2021-07-10 06:36:00,850 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2021-07-10 06:36:04,026 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2021-07-10 06:36:08,065 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2021-07-10 06:36:12,493 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2021-07-10 06:36:18,531 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 294 DAG size of output: 284 [2021-07-10 06:36:26,459 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 294 DAG size of output: 284 [2021-07-10 06:36:29,484 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 83 [2021-07-10 06:36:32,952 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 291 DAG size of output: 281 [2021-07-10 06:36:35,302 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 85 [2021-07-10 06:36:38,252 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 293 DAG size of output: 283 [2021-07-10 06:36:41,515 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 298 DAG size of output: 288 [2021-07-10 06:36:42,711 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2021-07-10 06:36:43,467 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 87 [2021-07-10 06:36:46,309 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 293 DAG size of output: 288 [2021-07-10 06:36:49,425 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 298 DAG size of output: 293 [2021-07-10 06:36:51,682 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 110 DAG size of output: 110 [2021-07-10 06:36:52,647 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 117 [2021-07-10 06:36:55,655 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 287 DAG size of output: 287 [2021-07-10 06:36:58,686 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2021-07-10 06:36:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:36:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:36:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:36:59,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:36:59,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:36:59,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:36:59,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:36:59,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:36:59,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:36:59,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:36:59,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:36:59,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:36:59,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:36:59,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:36:59,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:36:59,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:36:59,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:36:59,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:36:59,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-10 06:37:00,000 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:37:00,000 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:37:00,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:37:00,001 INFO L82 PathProgramCache]: Analyzing trace with hash -971864382, now seen corresponding path program 16 times [2021-07-10 06:37:00,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:37:00,001 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873701758] [2021-07-10 06:37:00,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:37:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:37:00,441 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 210 proven. 258 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:37:00,441 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:37:00,441 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873701758] [2021-07-10 06:37:00,441 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873701758] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:37:00,441 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072991965] [2021-07-10 06:37:00,441 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:37:00,499 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 06:37:00,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:37:00,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-10 06:37:00,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:37:01,675 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 247 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:37:01,675 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072991965] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:37:01,675 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:37:01,675 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 59 [2021-07-10 06:37:01,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019400332] [2021-07-10 06:37:01,676 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-07-10 06:37:01,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:37:01,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-07-10 06:37:01,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=606, Invalid=2816, Unknown=0, NotChecked=0, Total=3422 [2021-07-10 06:37:01,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:37:01,677 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:37:01,677 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 3.0677966101694913) internal successors, (181), 59 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:37:01,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:37:01,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:37:01,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:37:01,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:37:01,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:37:01,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:37:01,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:37:01,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:37:01,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:37:01,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:37:01,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:37:01,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:37:01,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:37:01,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:37:01,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:37:01,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:37:01,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:37:01,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:37:01,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-10 06:37:01,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:37:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:37:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:37:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:37:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:37:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:37:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:37:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:37:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:37:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:37:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:37:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:37:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:37:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:37:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:37:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:37:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:37:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:37:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:37:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-10 06:37:04,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-10 06:37:05,003 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable117 [2021-07-10 06:37:05,003 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:37:05,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:37:05,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1471863380, now seen corresponding path program 17 times [2021-07-10 06:37:05,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:37:05,004 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387447552] [2021-07-10 06:37:05,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:37:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:37:05,461 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 252 proven. 327 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:37:05,461 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:37:05,461 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387447552] [2021-07-10 06:37:05,461 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387447552] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:37:05,461 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28241808] [2021-07-10 06:37:05,461 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:37:05,516 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2021-07-10 06:37:05,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:37:05,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 33 conjunts are in the unsatisfiable core [2021-07-10 06:37:05,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:37:06,582 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 252 proven. 327 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:37:06,582 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28241808] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:37:06,582 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:37:06,582 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 64 [2021-07-10 06:37:06,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651721642] [2021-07-10 06:37:06,583 INFO L462 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-07-10 06:37:06,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:37:06,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-07-10 06:37:06,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=761, Invalid=3271, Unknown=0, NotChecked=0, Total=4032 [2021-07-10 06:37:06,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:37:06,584 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:37:06,584 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 3.0625) internal successors, (196), 64 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:37:06,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:37:06,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:37:06,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:37:06,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:37:06,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:37:06,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:37:06,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:37:06,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:37:06,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:37:06,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:37:06,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:37:06,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:37:06,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:37:06,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:37:06,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:37:06,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:37:06,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:37:06,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:37:06,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-10 06:37:06,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-10 06:37:06,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:37:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:37:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:37:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:37:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:37:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:37:07,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:37:07,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:37:07,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:37:07,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:37:07,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:37:07,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:37:07,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:37:07,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:37:07,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:37:07,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:37:07,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:37:07,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:37:07,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:37:07,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-10 06:37:07,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-10 06:37:07,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 06:37:07,617 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable118 [2021-07-10 06:37:07,618 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:37:07,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:37:07,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1868410107, now seen corresponding path program 18 times [2021-07-10 06:37:07,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:37:07,618 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339522759] [2021-07-10 06:37:07,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:37:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:37:08,148 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 252 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:37:08,148 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:37:08,148 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339522759] [2021-07-10 06:37:08,148 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339522759] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:37:08,148 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968652137] [2021-07-10 06:37:08,148 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:37:08,204 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2021-07-10 06:37:08,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:37:08,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-10 06:37:08,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:37:09,267 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 252 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:37:09,267 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968652137] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:37:09,267 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:37:09,267 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 66 [2021-07-10 06:37:09,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604749077] [2021-07-10 06:37:09,267 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-07-10 06:37:09,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:37:09,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-07-10 06:37:09,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=812, Invalid=3478, Unknown=0, NotChecked=0, Total=4290 [2021-07-10 06:37:09,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:37:09,269 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:37:09,269 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 3.0606060606060606) internal successors, (202), 66 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:37:09,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:37:09,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:37:09,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:37:09,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:37:09,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:37:09,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:37:09,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:37:09,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:37:09,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:37:09,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:37:09,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:37:09,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:37:09,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:37:09,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:37:09,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:37:09,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:37:09,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:37:09,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:37:09,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-10 06:37:09,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-10 06:37:09,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 06:37:09,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:37:10,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:37:10,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:37:10,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:37:10,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:37:10,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:37:10,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:37:10,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:37:10,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:37:10,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:37:10,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:37:10,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:37:10,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:37:10,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:37:10,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:37:10,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:37:10,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:37:10,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:37:10,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:37:10,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-10 06:37:10,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-10 06:37:10,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 06:37:10,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 06:37:10,301 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:37:10,302 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:37:10,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:37:10,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1858580300, now seen corresponding path program 19 times [2021-07-10 06:37:10,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:37:10,302 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18354112] [2021-07-10 06:37:10,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:37:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:37:17,645 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:37:17,645 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:37:17,645 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18354112] [2021-07-10 06:37:17,646 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18354112] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:37:17,646 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018373588] [2021-07-10 06:37:17,646 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:37:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:37:17,696 WARN L261 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 136 conjunts are in the unsatisfiable core [2021-07-10 06:37:17,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:37:33,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:37:33,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:37:33,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:37:33,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 120 disjoint index pairs (out of 171 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 318 treesize of output 212 [2021-07-10 06:37:33,804 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:37:33,818 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:37:33,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:37:33,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:37:33,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:37:33,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:37:33,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 7 [2021-07-10 06:37:33,827 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 06:37:33,837 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:37:33,839 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:37:33,839 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:332, output treesize:7 [2021-07-10 06:37:33,955 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:37:33,955 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018373588] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:37:33,955 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:37:33,955 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 68] total 105 [2021-07-10 06:37:33,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812825082] [2021-07-10 06:37:33,956 INFO L462 AbstractCegarLoop]: Interpolant automaton has 105 states [2021-07-10 06:37:33,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:37:33,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2021-07-10 06:37:33,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=10639, Unknown=0, NotChecked=0, Total=10920 [2021-07-10 06:37:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:37:33,958 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:37:33,958 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 105 states, 105 states have (on average 1.619047619047619) internal successors, (170), 105 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:37:33,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:37:33,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:37:33,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:37:33,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:37:33,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:37:33,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:37:33,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:37:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:37:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:37:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:37:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:37:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:37:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:37:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:37:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:37:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:37:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:37:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:37:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-10 06:37:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-10 06:37:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 06:37:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 06:37:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:37:37,138 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-10 06:37:40,254 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 310 DAG size of output: 310 [2021-07-10 06:37:43,396 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 311 DAG size of output: 311 [2021-07-10 06:37:46,590 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 313 DAG size of output: 313 [2021-07-10 06:37:49,898 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 311 DAG size of output: 311 [2021-07-10 06:37:53,083 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 303 DAG size of output: 303 [2021-07-10 06:37:56,167 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 301 DAG size of output: 301 [2021-07-10 06:37:59,303 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-10 06:38:02,436 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-10 06:38:05,793 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-10 06:38:08,966 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-10 06:38:12,232 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-10 06:38:15,336 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-10 06:38:18,477 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-10 06:38:21,667 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-10 06:38:24,991 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-10 06:38:28,058 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-10 06:38:31,259 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-10 06:38:34,574 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-10 06:38:37,789 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-10 06:38:41,009 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-10 06:38:44,190 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-10 06:38:47,358 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-10 06:38:50,515 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-10 06:38:53,861 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-10 06:38:57,125 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-10 06:39:00,251 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2021-07-10 06:39:03,315 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2021-07-10 06:39:06,530 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 318 DAG size of output: 318 [2021-07-10 06:39:09,981 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 319 DAG size of output: 319 [2021-07-10 06:39:13,253 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 315 DAG size of output: 315 [2021-07-10 06:39:14,242 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2021-07-10 06:39:17,168 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 328 DAG size of output: 323 [2021-07-10 06:39:19,296 WARN L205 SmtUtils]: Spent 978.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2021-07-10 06:39:20,728 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-07-10 06:39:21,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:39:21,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:39:21,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:39:21,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:39:21,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:39:21,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:39:21,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:39:21,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:39:21,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:39:21,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:39:21,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:39:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:39:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:39:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:39:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:39:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:39:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:39:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:39:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-10 06:39:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-10 06:39:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 06:39:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 06:39:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-10 06:39:21,718 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:39:21,719 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:39:21,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:39:21,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1076576091, now seen corresponding path program 20 times [2021-07-10 06:39:21,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:39:21,719 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212234595] [2021-07-10 06:39:21,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:39:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:39:22,358 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 330 proven. 387 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:39:22,358 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:39:22,358 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212234595] [2021-07-10 06:39:22,358 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212234595] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:39:22,358 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735043013] [2021-07-10 06:39:22,358 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:39:22,404 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:39:22,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:39:22,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-10 06:39:22,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:39:23,835 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 376 proven. 341 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:39:23,835 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735043013] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:39:23,835 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:39:23,835 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38] total 71 [2021-07-10 06:39:23,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964280848] [2021-07-10 06:39:23,836 INFO L462 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-07-10 06:39:23,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:39:23,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-07-10 06:39:23,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=885, Invalid=4085, Unknown=0, NotChecked=0, Total=4970 [2021-07-10 06:39:23,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:39:23,837 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:39:23,837 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 71 states, 71 states have (on average 3.056338028169014) internal successors, (217), 71 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:39:23,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:39:23,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:39:23,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:39:23,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:39:23,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:39:23,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:39:23,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:39:23,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:39:23,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:39:23,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:39:23,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:39:23,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:39:23,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:39:23,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:39:23,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:39:23,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:39:23,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:39:23,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:39:23,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-10 06:39:23,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-10 06:39:23,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 06:39:23,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 06:39:23,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-10 06:39:23,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:39:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:39:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:39:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:39:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:39:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:39:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:39:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:39:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:39:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:39:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:39:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:39:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:39:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:39:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:39:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:39:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:39:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:39:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:39:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-10 06:39:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-10 06:39:27,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 06:39:27,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 06:39:27,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-10 06:39:27,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-07-10 06:39:28,104 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:39:28,104 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:39:28,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:39:28,105 INFO L82 PathProgramCache]: Analyzing trace with hash -765458125, now seen corresponding path program 21 times [2021-07-10 06:39:28,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:39:28,105 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046146294] [2021-07-10 06:39:28,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:39:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:39:28,770 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 381 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:39:28,770 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:39:28,770 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046146294] [2021-07-10 06:39:28,770 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046146294] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:39:28,770 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633307461] [2021-07-10 06:39:28,770 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 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 [2021-07-10 06:39:28,840 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2021-07-10 06:39:28,841 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:39:28,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-10 06:39:28,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:39:30,240 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 381 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:39:30,241 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633307461] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:39:30,241 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:39:30,241 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40] total 76 [2021-07-10 06:39:30,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342689395] [2021-07-10 06:39:30,241 INFO L462 AbstractCegarLoop]: Interpolant automaton has 76 states [2021-07-10 06:39:30,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:39:30,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2021-07-10 06:39:30,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1073, Invalid=4627, Unknown=0, NotChecked=0, Total=5700 [2021-07-10 06:39:30,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:39:30,242 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:39:30,242 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 76 states, 76 states have (on average 3.0526315789473686) internal successors, (232), 76 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:39:30,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:39:30,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:39:30,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:39:30,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:39:30,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:39:30,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:39:30,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:39:30,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:39:30,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:39:30,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:39:30,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:39:30,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:39:30,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:39:30,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:39:30,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:39:30,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:39:30,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:39:30,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:39:30,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-10 06:39:30,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-10 06:39:30,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 06:39:30,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 06:39:30,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-10 06:39:30,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-07-10 06:39:30,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:39:31,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:39:31,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:39:31,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:39:31,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:39:31,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:39:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:39:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:39:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:39:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:39:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:39:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:39:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:39:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:39:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:39:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:39:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:39:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:39:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:39:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-10 06:39:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-10 06:39:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 06:39:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 06:39:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-10 06:39:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-07-10 06:39:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 06:39:31,488 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:39:31,488 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:39:31,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:39:31,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1419311810, now seen corresponding path program 22 times [2021-07-10 06:39:31,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:39:31,489 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512869640] [2021-07-10 06:39:31,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:39:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:39:32,135 INFO L134 CoverageAnalysis]: Checked inductivity of 907 backedges. 381 proven. 526 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:39:32,135 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:39:32,135 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512869640] [2021-07-10 06:39:32,135 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512869640] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:39:32,135 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484577827] [2021-07-10 06:39:32,135 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 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 [2021-07-10 06:39:32,191 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 06:39:32,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:39:32,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-10 06:39:32,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:39:33,660 INFO L134 CoverageAnalysis]: Checked inductivity of 907 backedges. 381 proven. 526 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:39:33,660 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484577827] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:39:33,660 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:39:33,660 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 78 [2021-07-10 06:39:33,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342231171] [2021-07-10 06:39:33,661 INFO L462 AbstractCegarLoop]: Interpolant automaton has 78 states [2021-07-10 06:39:33,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:39:33,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2021-07-10 06:39:33,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1133, Invalid=4873, Unknown=0, NotChecked=0, Total=6006 [2021-07-10 06:39:33,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:39:33,662 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:39:33,662 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 78 states, 78 states have (on average 3.051282051282051) internal successors, (238), 78 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:39:33,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:39:33,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:39:33,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:39:33,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:39:33,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:39:33,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:39:33,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:39:33,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:39:33,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:39:33,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:39:33,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:39:33,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:39:33,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:39:33,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:39:33,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:39:33,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:39:33,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:39:33,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:39:33,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-10 06:39:33,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-10 06:39:33,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 06:39:33,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 06:39:33,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-10 06:39:33,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-07-10 06:39:33,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 06:39:33,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:39:34,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:39:34,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:39:34,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:39:34,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:39:34,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:39:34,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:39:34,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:39:34,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:39:34,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:39:34,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:39:34,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:39:34,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:39:34,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:39:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:39:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:39:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:39:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:39:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:39:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-10 06:39:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-10 06:39:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 06:39:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 06:39:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-10 06:39:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-07-10 06:39:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 06:39:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 06:39:35,038 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable123 [2021-07-10 06:39:35,039 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:39:35,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:39:35,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1966041811, now seen corresponding path program 23 times [2021-07-10 06:39:35,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:39:35,039 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143223181] [2021-07-10 06:39:35,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:39:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:39:38,843 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2021-07-10 06:39:39,077 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2021-07-10 06:39:47,057 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 0 proven. 962 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:39:47,057 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:39:47,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143223181] [2021-07-10 06:39:47,057 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143223181] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:39:47,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14891538] [2021-07-10 06:39:47,057 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 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 [2021-07-10 06:39:47,174 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2021-07-10 06:39:47,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:39:47,177 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 159 conjunts are in the unsatisfiable core [2021-07-10 06:39:47,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:40:26,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:40:26,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:40:26,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 171 disjoint index pairs (out of 210 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 243 treesize of output 163 [2021-07-10 06:40:26,776 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:40:26,784 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:40:26,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:40:26,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:40:26,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:40:26,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 3 [2021-07-10 06:40:26,789 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 06:40:26,795 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:40:26,796 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:40:26,796 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:254, output treesize:3 [2021-07-10 06:40:26,940 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 0 proven. 962 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:40:26,941 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14891538] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:40:26,941 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:40:26,941 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 81] total 158 [2021-07-10 06:40:26,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673268714] [2021-07-10 06:40:26,941 INFO L462 AbstractCegarLoop]: Interpolant automaton has 158 states [2021-07-10 06:40:26,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:40:26,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2021-07-10 06:40:26,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=389, Invalid=24417, Unknown=0, NotChecked=0, Total=24806 [2021-07-10 06:40:26,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:40:26,943 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:40:26,943 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 158 states, 158 states have (on average 1.5886075949367089) internal successors, (251), 158 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:40:26,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:40:26,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:40:26,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:40:26,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:40:26,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:40:26,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:40:26,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:40:26,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:40:26,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:40:26,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:40:26,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:40:26,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:40:26,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:40:26,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:40:26,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:40:26,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:40:26,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:40:26,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:40:26,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-10 06:40:26,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-10 06:40:26,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 06:40:26,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 06:40:26,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-10 06:40:26,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-07-10 06:40:26,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 06:40:26,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-10 06:40:26,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:40:32,336 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 380 DAG size of output: 325 [2021-07-10 06:40:39,352 WARN L205 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 382 DAG size of output: 329 [2021-07-10 06:40:43,445 WARN L205 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 27 [2021-07-10 06:40:47,022 WARN L205 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 29 [2021-07-10 06:40:50,685 WARN L205 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 43 [2021-07-10 06:40:54,155 WARN L205 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 32 [2021-07-10 06:40:57,565 WARN L205 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 54 [2021-07-10 06:41:01,035 WARN L205 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 62 [2021-07-10 06:41:05,027 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 399 DAG size of output: 81 [2021-07-10 06:41:09,591 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 399 DAG size of output: 83 [2021-07-10 06:41:13,292 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 102 [2021-07-10 06:41:17,054 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 399 DAG size of output: 104 [2021-07-10 06:41:20,865 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 399 DAG size of output: 123 [2021-07-10 06:41:24,794 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 399 DAG size of output: 125 [2021-07-10 06:41:28,700 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 399 DAG size of output: 144 [2021-07-10 06:41:32,563 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 399 DAG size of output: 146 [2021-07-10 06:41:36,522 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 399 DAG size of output: 165 [2021-07-10 06:41:40,601 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 399 DAG size of output: 167 [2021-07-10 06:41:44,827 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 399 DAG size of output: 186 [2021-07-10 06:41:49,523 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 399 DAG size of output: 188 [2021-07-10 06:41:55,041 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 399 DAG size of output: 207 [2021-07-10 06:41:59,971 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 399 DAG size of output: 209 [2021-07-10 06:42:04,385 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 399 DAG size of output: 228 [2021-07-10 06:42:08,855 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 399 DAG size of output: 230 [2021-07-10 06:42:13,431 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 399 DAG size of output: 249 [2021-07-10 06:42:18,111 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 399 DAG size of output: 251 [2021-07-10 06:42:23,171 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 399 DAG size of output: 270 [2021-07-10 06:42:28,124 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 399 DAG size of output: 272 [2021-07-10 06:42:33,223 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 399 DAG size of output: 291 [2021-07-10 06:42:38,580 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 399 DAG size of output: 293 [2021-07-10 06:42:43,882 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 399 DAG size of output: 312 [2021-07-10 06:42:49,245 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 399 DAG size of output: 314 [2021-07-10 06:42:54,913 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 399 DAG size of output: 333 [2021-07-10 06:42:56,262 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 134 [2021-07-10 06:43:01,171 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 399 DAG size of output: 335 [2021-07-10 06:43:02,696 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 144 [2021-07-10 06:43:09,813 WARN L205 SmtUtils]: Spent 5.19 s on a formula simplification. DAG size of input: 402 DAG size of output: 362 [2021-07-10 06:43:10,981 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 77 [2021-07-10 06:43:11,892 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 139 [2021-07-10 06:43:12,871 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 90 [2021-07-10 06:43:20,055 WARN L205 SmtUtils]: Spent 5.26 s on a formula simplification. DAG size of input: 402 DAG size of output: 359 [2021-07-10 06:43:21,552 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 149 [2021-07-10 06:43:27,369 WARN L205 SmtUtils]: Spent 3.90 s on a formula simplification. DAG size of input: 385 DAG size of output: 380 [2021-07-10 06:43:28,472 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2021-07-10 06:43:29,457 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2021-07-10 06:43:30,315 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2021-07-10 06:43:35,591 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 385 DAG size of output: 379 [2021-07-10 06:43:36,904 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 97 [2021-07-10 06:43:37,649 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2021-07-10 06:43:42,565 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 392 DAG size of output: 392 [2021-07-10 06:43:45,001 WARN L205 SmtUtils]: Spent 874.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2021-07-10 06:43:46,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:43:46,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:43:46,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:43:46,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:43:46,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:43:46,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:43:46,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:43:46,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:43:46,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:43:46,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:43:46,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:43:46,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:43:46,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:43:46,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:43:46,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:43:46,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:43:46,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:43:46,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:43:46,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-10 06:43:46,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-10 06:43:46,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 06:43:46,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 06:43:46,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-10 06:43:46,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-07-10 06:43:46,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 06:43:46,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 06:43:46,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2021-07-10 06:43:46,507 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable124 [2021-07-10 06:43:46,507 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:43:46,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:43:46,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1211452126, now seen corresponding path program 24 times [2021-07-10 06:43:46,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:43:46,507 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366567847] [2021-07-10 06:43:46,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:43:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:43:47,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 477 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:43:47,240 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:43:47,240 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366567847] [2021-07-10 06:43:47,240 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366567847] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:43:47,240 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716136953] [2021-07-10 06:43:47,240 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 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 [2021-07-10 06:43:47,308 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2021-07-10 06:43:47,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:43:47,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-10 06:43:47,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:43:49,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 532 proven. 488 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:43:49,122 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716136953] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:43:49,122 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:43:49,122 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 44] total 83 [2021-07-10 06:43:49,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366398682] [2021-07-10 06:43:49,123 INFO L462 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-07-10 06:43:49,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:43:49,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-07-10 06:43:49,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1218, Invalid=5588, Unknown=0, NotChecked=0, Total=6806 [2021-07-10 06:43:49,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:43:49,124 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:43:49,124 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 83 states, 83 states have (on average 3.0481927710843375) internal successors, (253), 83 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:43:49,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:43:49,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:43:49,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:43:49,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:43:49,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:43:49,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:43:49,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:43:49,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:43:49,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:43:49,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:43:49,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:43:49,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:43:49,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:43:49,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:43:49,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:43:49,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:43:49,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:43:49,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:43:49,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-10 06:43:49,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-10 06:43:49,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 06:43:49,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 06:43:49,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-10 06:43:49,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-07-10 06:43:49,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 06:43:49,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-10 06:43:49,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2021-07-10 06:43:49,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:43:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:43:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:43:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:43:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:43:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:43:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:43:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:43:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:43:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:43:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:43:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:43:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:43:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:43:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:43:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:43:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:43:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:43:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:43:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-10 06:43:54,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-10 06:43:54,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 06:43:54,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 06:43:54,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-10 06:43:54,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-07-10 06:43:54,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 06:43:54,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 06:43:54,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2021-07-10 06:43:54,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-10 06:43:54,439 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable125 [2021-07-10 06:43:54,439 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:43:54,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:43:54,439 INFO L82 PathProgramCache]: Analyzing trace with hash -211082420, now seen corresponding path program 25 times [2021-07-10 06:43:54,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:43:54,439 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090157088] [2021-07-10 06:43:54,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:43:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:43:55,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1185 backedges. 537 proven. 648 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:43:55,308 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:43:55,308 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090157088] [2021-07-10 06:43:55,308 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090157088] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:43:55,308 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174109215] [2021-07-10 06:43:55,308 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 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 [2021-07-10 06:43:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:43:55,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-10 06:43:55,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:43:57,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1185 backedges. 590 proven. 590 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-10 06:43:57,133 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174109215] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:43:57,133 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:43:57,133 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 44] total 88 [2021-07-10 06:43:57,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438798231] [2021-07-10 06:43:57,134 INFO L462 AbstractCegarLoop]: Interpolant automaton has 88 states [2021-07-10 06:43:57,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:43:57,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-07-10 06:43:57,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=996, Invalid=6660, Unknown=0, NotChecked=0, Total=7656 [2021-07-10 06:43:57,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:43:57,134 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:43:57,135 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 88 states, 88 states have (on average 3.102272727272727) internal successors, (273), 88 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:43:57,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:43:57,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:43:57,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:43:57,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:43:57,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:43:57,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:43:57,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:43:57,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:43:57,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:43:57,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:43:57,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:43:57,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:43:57,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:43:57,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:43:57,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:43:57,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:43:57,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:43:57,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:43:57,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-10 06:43:57,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-10 06:43:57,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 06:43:57,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 06:43:57,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-10 06:43:57,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-07-10 06:43:57,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 06:43:57,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-10 06:43:57,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2021-07-10 06:43:57,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-10 06:43:57,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:00,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 06:44:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2021-07-10 06:44:00,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-10 06:44:00,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 06:44:00,568 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:44:00,569 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:44:00,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:44:00,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1613336805, now seen corresponding path program 26 times [2021-07-10 06:44:00,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:44:00,569 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812356619] [2021-07-10 06:44:00,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:44:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:44:01,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 537 proven. 709 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:44:01,437 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:44:01,437 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812356619] [2021-07-10 06:44:01,437 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812356619] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:44:01,437 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116178532] [2021-07-10 06:44:01,437 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 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 [2021-07-10 06:44:01,486 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:44:01,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:44:01,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-10 06:44:01,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:44:03,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 537 proven. 709 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:44:03,300 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116178532] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:44:03,300 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:44:03,300 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47] total 90 [2021-07-10 06:44:03,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215584570] [2021-07-10 06:44:03,300 INFO L462 AbstractCegarLoop]: Interpolant automaton has 90 states [2021-07-10 06:44:03,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:44:03,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2021-07-10 06:44:03,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1508, Invalid=6502, Unknown=0, NotChecked=0, Total=8010 [2021-07-10 06:44:03,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:03,301 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:44:03,301 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 90 states, 90 states have (on average 3.0444444444444443) internal successors, (274), 90 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:44:03,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:03,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:44:03,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 06:44:03,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:04,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 06:44:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2021-07-10 06:44:04,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-10 06:44:04,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 06:44:04,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-10 06:44:04,882 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable127 [2021-07-10 06:44:04,882 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:44:04,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:44:04,883 INFO L82 PathProgramCache]: Analyzing trace with hash 973167852, now seen corresponding path program 27 times [2021-07-10 06:44:04,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:44:04,883 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147888347] [2021-07-10 06:44:04,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:44:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:44:20,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 0 proven. 1310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:44:20,605 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:44:20,605 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147888347] [2021-07-10 06:44:20,605 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147888347] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:44:20,605 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15496034] [2021-07-10 06:44:20,605 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 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 [2021-07-10 06:44:20,704 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2021-07-10 06:44:20,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:44:20,709 WARN L261 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 189 conjunts are in the unsatisfiable core [2021-07-10 06:44:20,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:45:24,030 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-07-10 06:45:25,386 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-07-10 06:45:30,638 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-07-10 06:45:33,418 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-07-10 06:45:34,881 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-07-10 06:45:36,403 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-07-10 06:45:37,990 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-07-10 06:45:39,580 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-07-10 06:45:41,199 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-07-10 06:45:42,800 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-07-10 06:45:44,422 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-07-10 06:45:46,077 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-07-10 06:45:47,761 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-07-10 06:45:49,576 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-07-10 06:45:51,457 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-07-10 06:45:53,215 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-07-10 06:45:54,901 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-07-10 06:45:59,966 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2021-07-10 06:46:01,725 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-07-10 06:46:05,384 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-07-10 06:46:11,315 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-07-10 06:46:13,298 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-07-10 06:46:15,420 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-07-10 06:46:17,458 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-07-10 06:46:19,604 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-07-10 06:46:26,110 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-07-10 06:46:28,506 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-07-10 06:46:31,406 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-07-10 06:46:33,923 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-07-10 06:46:33,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:34,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:34,348 INFO L244 Elim1Store]: Index analysis took 403 ms [2021-07-10 06:46:36,581 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 490 [2021-07-10 06:46:36,582 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:36,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 37 select indices, 37 select index equivalence classes, 525 disjoint index pairs (out of 666 index pairs), introduced 36 new quantified variables, introduced 105 case distinctions, treesize of input 514 treesize of output 1402 [2021-07-10 06:46:37,134 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 425 [2021-07-10 06:46:37,279 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 478 [2021-07-10 06:46:37,415 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 478 [2021-07-10 06:46:37,611 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 481 [2021-07-10 06:46:37,757 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 545 [2021-07-10 06:46:38,120 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 567 [2021-07-10 06:46:38,456 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 729 [2021-07-10 06:46:38,793 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 729 [2021-07-10 06:46:39,296 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 767 DAG size of output: 749 [2021-07-10 06:46:39,840 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 387 [2021-07-10 06:46:39,980 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 430 [2021-07-10 06:46:40,259 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 494 [2021-07-10 06:46:40,388 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 611 [2021-07-10 06:46:40,696 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 632 [2021-07-10 06:46:41,258 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 805 DAG size of output: 754 [2021-07-10 06:46:41,827 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 805 DAG size of output: 754 [2021-07-10 06:46:42,482 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 809 DAG size of output: 758 [2021-07-10 06:46:43,106 WARN L205 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 792 [2021-07-10 06:46:43,734 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 830 DAG size of output: 794 [2021-07-10 06:46:44,320 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 830 DAG size of output: 794 [2021-07-10 06:46:46,301 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 850 DAG size of output: 919 [2021-07-10 06:46:47,037 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 786 DAG size of output: 831 [2021-07-10 06:46:47,750 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 816 [2021-07-10 06:46:48,405 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 690 [2021-07-10 06:46:49,274 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 403 [2021-07-10 06:46:49,444 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 512 [2021-07-10 06:46:50,341 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 982 DAG size of output: 780 [2021-07-10 06:46:50,707 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 351 [2021-07-10 06:46:51,287 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 525 [2021-07-10 06:46:52,645 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 510 DAG size of output: 586 [2021-07-10 06:46:53,302 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 563 [2021-07-10 06:46:53,475 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 696 DAG size of output: 659 [2021-07-10 06:46:53,719 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 830 DAG size of output: 717 [2021-07-10 06:46:54,067 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 948 DAG size of output: 838 [2021-07-10 06:46:55,972 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1731 DAG size of output: 1527 [2021-07-10 06:46:58,592 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 1977 DAG size of output: 1776 [2021-07-10 06:46:58,912 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 524 [2021-07-10 06:46:59,380 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 462 [2021-07-10 06:46:59,560 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 500 [2021-07-10 06:46:59,707 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 380 [2021-07-10 06:46:59,857 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 368 [2021-07-10 06:47:00,003 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 385 [2021-07-10 06:47:00,946 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 561 [2021-07-10 06:47:01,337 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 753 DAG size of output: 681 [2021-07-10 06:47:01,822 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 863 DAG size of output: 791 [2021-07-10 06:47:02,580 WARN L205 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 945 DAG size of output: 873 [2021-07-10 06:47:03,389 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 497 [2021-07-10 06:47:04,648 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1408 DAG size of output: 1317 Received shutdown request... [2021-07-10 06:47:06,359 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1533 DAG size of output: 1441 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown