/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 15:39:35,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 15:39:35,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 15:39:35,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 15:39:35,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 15:39:35,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 15:39:35,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 15:39:35,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 15:39:35,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 15:39:35,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 15:39:35,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 15:39:35,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 15:39:35,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 15:39:35,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 15:39:35,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 15:39:35,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 15:39:35,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 15:39:35,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 15:39:35,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 15:39:35,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 15:39:35,770 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf [2021-07-10 15:39:35,816 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 15:39:35,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 15:39:35,816 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 15:39:35,817 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 15:39:35,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 15:39:35,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 15:39:35,819 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 15:39:35,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 15:39:35,820 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 15:39:35,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 15:39:35,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 15:39:35,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 15:39:35,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 15:39:35,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 15:39:35,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 15:39:35,822 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 15:39:35,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 15:39:35,822 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 15:39:35,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 15:39:35,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 15:39:35,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 15:39:35,822 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 15:39:35,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 15:39:35,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 15:39:35,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 15:39:35,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 15:39:35,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 15:39:35,823 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 15:39:35,823 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 15:39:35,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 15:39:35,824 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 15:39:35,824 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 15:39:35,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 15:39:35,824 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 15:39:35,824 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 15:39:35,825 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 15:39:36,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 15:39:36,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 15:39:36,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 15:39:36,155 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 15:39:36,156 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 15:39:36,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl [2021-07-10 15:39:36,158 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl' [2021-07-10 15:39:36,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 15:39:36,185 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 15:39:36,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 15:39:36,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 15:39:36,186 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 15:39:36,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:39:36" (1/1) ... [2021-07-10 15:39:36,205 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:39:36" (1/1) ... [2021-07-10 15:39:36,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 15:39:36,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 15:39:36,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 15:39:36,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 15:39:36,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:39:36" (1/1) ... [2021-07-10 15:39:36,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:39:36" (1/1) ... [2021-07-10 15:39:36,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:39:36" (1/1) ... [2021-07-10 15:39:36,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:39:36" (1/1) ... [2021-07-10 15:39:36,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:39:36" (1/1) ... [2021-07-10 15:39:36,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:39:36" (1/1) ... [2021-07-10 15:39:36,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:39:36" (1/1) ... [2021-07-10 15:39:36,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 15:39:36,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 15:39:36,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 15:39:36,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 15:39:36,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:39:36" (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 15:39:36,303 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 15:39:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 15:39:36,303 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 15:39:36,303 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 15:39:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 15:39:36,304 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 15:39:36,304 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 15:39:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 15:39:36,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 15:39:36,304 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 15:39:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 15:39:36,304 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 15:39:36,305 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 15:39:36,532 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 15:39:36,532 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 15:39:36,534 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:39:36 BoogieIcfgContainer [2021-07-10 15:39:36,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 15:39:36,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 15:39:36,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 15:39:36,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 15:39:36,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 03:39:36" (1/2) ... [2021-07-10 15:39:36,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6457c70f and model type sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:39:36, skipping insertion in model container [2021-07-10 15:39:36,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:39:36" (2/2) ... [2021-07-10 15:39:36,540 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array-hom.wvr.bpl [2021-07-10 15:39:36,545 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 15:39:36,545 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 15:39:36,545 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 15:39:36,546 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 15:39:36,581 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-10 15:39:36,601 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 15:39:36,666 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 15:39:36,666 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 15:39:36,666 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 15:39:36,666 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 15:39:36,666 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 15:39:36,667 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 15:39:36,667 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 15:39:36,667 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 15:39:36,804 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:39:36,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:39:36,809 INFO L82 PathProgramCache]: Analyzing trace with hash 2082179512, now seen corresponding path program 1 times [2021-07-10 15:39:36,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:39:36,819 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606913070] [2021-07-10 15:39:36,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:39:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:39:37,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:37,007 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:39:37,007 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606913070] [2021-07-10 15:39:37,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606913070] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 15:39:37,008 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 15:39:37,008 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 15:39:37,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519085787] [2021-07-10 15:39:37,012 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 15:39:37,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:39:37,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 15:39:37,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-10 15:39:37,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:37,026 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:39:37,028 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:39:37,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:37,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:37,104 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 15:39:37,104 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:39:37,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:39:37,105 INFO L82 PathProgramCache]: Analyzing trace with hash -747276558, now seen corresponding path program 1 times [2021-07-10 15:39:37,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:39:37,106 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965344343] [2021-07-10 15:39:37,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:39:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:39:37,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:37,173 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:39:37,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965344343] [2021-07-10 15:39:37,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965344343] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:37,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236526621] [2021-07-10 15:39:37,174 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 15:39:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:39:37,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 15:39:37,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:39:37,434 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:37,434 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236526621] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:37,435 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:39:37,435 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-10 15:39:37,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190899060] [2021-07-10 15:39:37,437 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 15:39:37,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:39:37,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 15:39:37,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-10 15:39:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:37,447 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:39:37,448 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:39:37,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:37,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:37,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:37,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:37,826 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:39:37,827 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:39:37,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:39:37,827 INFO L82 PathProgramCache]: Analyzing trace with hash -178311404, now seen corresponding path program 2 times [2021-07-10 15:39:37,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:39:37,828 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256618892] [2021-07-10 15:39:37,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:39:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:39:38,422 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 15:39:38,423 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:39:38,423 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256618892] [2021-07-10 15:39:38,423 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256618892] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:38,423 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518717854] [2021-07-10 15:39:38,423 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 15:39:38,517 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 15:39:38,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:39:38,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-10 15:39:38,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:39:39,277 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-07-10 15:39:39,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 49 [2021-07-10 15:39:39,283 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:39:39,289 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:39:39,291 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 15:39:39,292 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:66, output treesize:5 [2021-07-10 15:39:39,363 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 15:39:39,363 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518717854] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:39,363 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:39:39,364 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-07-10 15:39:39,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539764156] [2021-07-10 15:39:39,366 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 15:39:39,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:39:39,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 15:39:39,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=306, Unknown=0, NotChecked=0, Total=380 [2021-07-10 15:39:39,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:39,369 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:39:39,369 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.05) internal successors, (41), 20 states have internal predecessors, (41), 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 15:39:39,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:39,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:39,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:40,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:40,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:40,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:39:40,661 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:39:40,661 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:39:40,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:39:40,662 INFO L82 PathProgramCache]: Analyzing trace with hash 935598898, now seen corresponding path program 3 times [2021-07-10 15:39:40,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:39:40,662 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23184168] [2021-07-10 15:39:40,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:39:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:39:40,783 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:40,784 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:39:40,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23184168] [2021-07-10 15:39:40,785 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23184168] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:40,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430183653] [2021-07-10 15:39:40,789 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 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 15:39:40,830 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-10 15:39:40,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:39:40,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-10 15:39:40,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:39:40,957 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:40,957 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430183653] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:40,957 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:39:40,958 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-07-10 15:39:40,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246776006] [2021-07-10 15:39:40,958 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 15:39:40,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:39:40,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 15:39:40,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-07-10 15:39:40,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:40,959 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:39:40,959 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 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 15:39:40,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:40,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:40,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:39:40,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:41,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:41,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:41,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:39:41,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:39:41,492 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:39:41,493 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:39:41,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:39:41,493 INFO L82 PathProgramCache]: Analyzing trace with hash -2137668780, now seen corresponding path program 4 times [2021-07-10 15:39:41,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:39:41,493 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342446688] [2021-07-10 15:39:41,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:39:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:39:41,767 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:41,768 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:39:41,768 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342446688] [2021-07-10 15:39:41,768 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342446688] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:41,768 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517044184] [2021-07-10 15:39:41,768 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 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 15:39:41,820 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 15:39:41,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:39:41,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 35 conjunts are in the unsatisfiable core [2021-07-10 15:39:41,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:39:42,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:42,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:42,255 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:39:42,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:42,256 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:39:42,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 15 [2021-07-10 15:39:42,259 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:39:42,264 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:39:42,265 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 15:39:42,265 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:5 [2021-07-10 15:39:42,295 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:42,296 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517044184] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:42,296 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:39:42,296 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-07-10 15:39:42,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773953891] [2021-07-10 15:39:42,297 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-10 15:39:42,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:39:42,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-10 15:39:42,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2021-07-10 15:39:42,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:42,298 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:39:42,298 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.130434782608696) internal successors, (49), 23 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:39:42,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:42,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:42,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:39:42,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:39:42,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:43,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:43,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:43,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:39:43,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:39:43,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:39:43,655 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:39:43,656 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:39:43,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:39:43,656 INFO L82 PathProgramCache]: Analyzing trace with hash -263491470, now seen corresponding path program 5 times [2021-07-10 15:39:43,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:39:43,657 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208922214] [2021-07-10 15:39:43,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:39:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:39:43,739 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:43,740 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:39:43,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208922214] [2021-07-10 15:39:43,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208922214] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:43,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297157617] [2021-07-10 15:39:43,741 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 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 15:39:43,780 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-10 15:39:43,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:39:43,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-10 15:39:43,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:39:43,967 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:43,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297157617] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:43,967 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:39:43,967 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-07-10 15:39:43,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835310221] [2021-07-10 15:39:43,968 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-10 15:39:43,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:39:43,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-10 15:39:43,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2021-07-10 15:39:43,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:43,969 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:39:43,969 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 19 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:39:43,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:43,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:43,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:39:43,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:39:43,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:39:43,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:44,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:44,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:44,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:39:44,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:39:44,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:39:44,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:39:44,617 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:39:44,617 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:39:44,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:39:44,618 INFO L82 PathProgramCache]: Analyzing trace with hash 882690196, now seen corresponding path program 6 times [2021-07-10 15:39:44,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:39:44,618 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151658824] [2021-07-10 15:39:44,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:39:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:39:44,972 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:44,973 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:39:44,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151658824] [2021-07-10 15:39:44,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151658824] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:44,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501118436] [2021-07-10 15:39:44,973 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 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 15:39:45,006 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-10 15:39:45,006 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:39:45,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-10 15:39:45,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:39:45,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:45,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:45,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:45,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:45,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:39:45,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:45,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:45,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:45,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:39:45,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:45,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:39:45,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2021-07-10 15:39:45,556 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:39:45,562 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:39:45,565 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 15:39:45,565 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:5 [2021-07-10 15:39:45,598 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:45,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501118436] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:45,599 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:39:45,599 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2021-07-10 15:39:45,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473281010] [2021-07-10 15:39:45,599 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-10 15:39:45,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:39:45,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-10 15:39:45,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2021-07-10 15:39:45,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:45,614 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:39:45,615 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.111111111111111) internal successors, (57), 27 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:39:45,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:45,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:45,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:39:45,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:39:45,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:39:45,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:39:45,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:48,143 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2021-07-10 15:39:48,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:48,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:48,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:39:48,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:39:48,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:39:48,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:39:48,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:39:48,510 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:39:48,510 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:39:48,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:39:48,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1230681778, now seen corresponding path program 7 times [2021-07-10 15:39:48,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:39:48,513 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480486443] [2021-07-10 15:39:48,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:39:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:39:48,594 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:48,594 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:39:48,594 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480486443] [2021-07-10 15:39:48,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480486443] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:48,594 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117319003] [2021-07-10 15:39:48,594 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 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 15:39:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:39:48,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-10 15:39:48,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:39:48,845 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:48,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117319003] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:48,845 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:39:48,846 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-07-10 15:39:48,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080547553] [2021-07-10 15:39:48,846 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-10 15:39:48,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:39:48,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-10 15:39:48,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=408, Unknown=0, NotChecked=0, Total=506 [2021-07-10 15:39:48,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:48,847 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:39:48,847 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.5652173913043477) internal successors, (59), 23 states have internal predecessors, (59), 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 15:39:48,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:48,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:48,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:39:48,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:39:48,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:39:48,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:39:48,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:39:48,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:49,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:49,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:49,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:39:49,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:39:49,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:39:49,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:39:49,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:39:49,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:39:49,695 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-07-10 15:39:49,696 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:39:49,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:39:49,697 INFO L82 PathProgramCache]: Analyzing trace with hash -2030862636, now seen corresponding path program 8 times [2021-07-10 15:39:49,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:39:49,698 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841306658] [2021-07-10 15:39:49,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:39:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:39:50,091 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:50,092 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:39:50,092 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841306658] [2021-07-10 15:39:50,092 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841306658] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:50,092 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125603062] [2021-07-10 15:39:50,092 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 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 15:39:50,132 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 15:39:50,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:39:50,133 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 51 conjunts are in the unsatisfiable core [2021-07-10 15:39:50,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:39:50,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:50,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:50,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:50,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:50,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:50,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:50,957 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 60 [2021-07-10 15:39:50,957 INFO L354 Elim1Store]: treesize reduction 172, result has 36.5 percent of original size [2021-07-10 15:39:50,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 14 new quantified variables, introduced 30 case distinctions, treesize of input 300 treesize of output 234 [2021-07-10 15:39:51,255 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-10 15:39:51,335 INFO L628 ElimStorePlain]: treesize reduction 192, result has 14.7 percent of original size [2021-07-10 15:39:51,344 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 15:39:51,345 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:305, output treesize:27 [2021-07-10 15:39:51,438 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:51,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125603062] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:51,438 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:39:51,438 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-07-10 15:39:51,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981637330] [2021-07-10 15:39:51,439 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 15:39:51,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:39:51,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 15:39:51,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=847, Unknown=0, NotChecked=0, Total=930 [2021-07-10 15:39:51,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:51,440 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:39:51,440 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.161290322580645) internal successors, (67), 31 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:39:51,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:51,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:51,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:39:51,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:39:51,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:39:51,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:39:51,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:39:51,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:39:51,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:53,052 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2021-07-10 15:39:53,551 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2021-07-10 15:39:54,499 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2021-07-10 15:39:55,014 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2021-07-10 15:39:55,414 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2021-07-10 15:39:55,916 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2021-07-10 15:39:56,264 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-07-10 15:39:56,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:56,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:56,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:39:56,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:39:56,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:39:56,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:39:56,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:39:56,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:39:56,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:39:56,552 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:39:56,552 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:39:56,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:39:56,553 INFO L82 PathProgramCache]: Analyzing trace with hash 280047090, now seen corresponding path program 9 times [2021-07-10 15:39:56,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:39:56,553 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976174602] [2021-07-10 15:39:56,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:39:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:39:56,665 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:56,665 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:39:56,665 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976174602] [2021-07-10 15:39:56,665 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976174602] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:56,665 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114575291] [2021-07-10 15:39:56,665 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 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 15:39:56,717 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-10 15:39:56,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:39:56,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-10 15:39:56,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:39:56,983 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:56,983 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114575291] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:56,984 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:39:56,984 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2021-07-10 15:39:56,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662817827] [2021-07-10 15:39:56,985 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-10 15:39:56,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:39:56,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-10 15:39:56,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=570, Unknown=0, NotChecked=0, Total=702 [2021-07-10 15:39:56,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:56,986 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:39:56,986 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.4814814814814814) internal successors, (67), 27 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:39:56,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:56,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:56,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:39:56,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:39:56,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:39:56,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:39:56,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:39:56,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:39:56,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:39:56,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:57,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:57,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:57,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:39:57,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:39:57,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:39:57,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:39:57,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:39:57,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:39:57,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:39:57,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:39:57,936 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-07-10 15:39:57,936 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:39:57,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:39:57,936 INFO L82 PathProgramCache]: Analyzing trace with hash -762763756, now seen corresponding path program 10 times [2021-07-10 15:39:57,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:39:57,937 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368278434] [2021-07-10 15:39:57,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:39:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:39:58,476 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:58,476 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:39:58,476 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368278434] [2021-07-10 15:39:58,477 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368278434] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:58,477 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81847377] [2021-07-10 15:39:58,477 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 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 15:39:58,519 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 15:39:58,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:39:58,520 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-10 15:39:58,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:39:59,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:39:59,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:39:59,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:39:59,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:39:59,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:39:59,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:39:59,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 15 disjoint index pairs (out of 55 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 21 [2021-07-10 15:39:59,547 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:39:59,553 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:39:59,554 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 15:39:59,554 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:59, output treesize:5 [2021-07-10 15:39:59,599 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:39:59,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81847377] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:39:59,599 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:39:59,600 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 35 [2021-07-10 15:39:59,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702925470] [2021-07-10 15:39:59,600 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-10 15:39:59,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:39:59,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-10 15:39:59,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1087, Unknown=0, NotChecked=0, Total=1190 [2021-07-10 15:39:59,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:39:59,601 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:39:59,601 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.085714285714286) internal successors, (73), 35 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:39:59,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:39:59,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:39:59,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:39:59,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:39:59,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:39:59,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:39:59,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:39:59,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:39:59,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:39:59,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:39:59,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:00,444 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2021-07-10 15:40:00,819 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 108 [2021-07-10 15:40:01,129 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2021-07-10 15:40:01,484 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2021-07-10 15:40:01,802 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2021-07-10 15:40:02,173 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2021-07-10 15:40:02,446 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2021-07-10 15:40:02,779 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2021-07-10 15:40:03,225 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2021-07-10 15:40:03,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:03,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:03,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:03,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:03,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:03,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:03,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:03,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:03,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:03,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:03,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:03,518 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable60 [2021-07-10 15:40:03,518 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:40:03,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:40:03,519 INFO L82 PathProgramCache]: Analyzing trace with hash -646048206, now seen corresponding path program 11 times [2021-07-10 15:40:03,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:40:03,519 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588249650] [2021-07-10 15:40:03,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:40:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:40:03,678 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 21 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:03,678 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:40:03,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588249650] [2021-07-10 15:40:03,678 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588249650] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:03,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972391586] [2021-07-10 15:40:03,678 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 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 15:40:03,711 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-10 15:40:03,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:40:03,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-10 15:40:03,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:40:04,034 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 21 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:04,035 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972391586] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:04,035 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:40:04,035 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-07-10 15:40:04,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125188540] [2021-07-10 15:40:04,035 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 15:40:04,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:40:04,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 15:40:04,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=758, Unknown=0, NotChecked=0, Total=930 [2021-07-10 15:40:04,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:04,036 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:40:04,036 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.4193548387096775) internal successors, (75), 31 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:40:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:05,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:05,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:05,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:05,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:05,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:40:05,303 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:40:05,303 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:40:05,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:40:05,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1682112940, now seen corresponding path program 12 times [2021-07-10 15:40:05,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:40:05,304 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314865099] [2021-07-10 15:40:05,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:40:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:40:05,845 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:05,845 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:40:05,845 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314865099] [2021-07-10 15:40:05,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314865099] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:05,845 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195107758] [2021-07-10 15:40:05,845 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 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 15:40:05,884 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-10 15:40:05,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:40:05,885 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 72 conjunts are in the unsatisfiable core [2021-07-10 15:40:05,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:40:07,666 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 19 [2021-07-10 15:40:07,667 INFO L354 Elim1Store]: treesize reduction 726, result has 2.6 percent of original size [2021-07-10 15:40:07,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 20 new quantified variables, introduced 78 case distinctions, treesize of input 556 treesize of output 252 [2021-07-10 15:40:07,670 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:40:07,678 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:40:07,679 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 15:40:07,679 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:556, output treesize:29 [2021-07-10 15:40:07,765 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:07,765 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195107758] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:07,765 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:40:07,765 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 23] total 41 [2021-07-10 15:40:07,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563469215] [2021-07-10 15:40:07,766 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-10 15:40:07,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:40:07,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-10 15:40:07,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1516, Unknown=0, NotChecked=0, Total=1640 [2021-07-10 15:40:07,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:07,767 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:40:07,767 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 2.024390243902439) internal successors, (83), 41 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:40:07,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:07,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:07,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:07,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:07,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:07,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:07,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:07,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:07,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:07,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:07,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:07,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:40:07,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:08,016 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2021-07-10 15:40:08,173 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 78 [2021-07-10 15:40:08,368 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 83 [2021-07-10 15:40:08,740 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2021-07-10 15:40:08,918 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 92 [2021-07-10 15:40:09,288 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2021-07-10 15:40:09,444 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 87 [2021-07-10 15:40:09,772 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2021-07-10 15:40:10,196 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2021-07-10 15:40:10,748 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2021-07-10 15:40:11,185 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2021-07-10 15:40:11,776 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-07-10 15:40:12,274 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2021-07-10 15:40:12,691 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2021-07-10 15:40:12,924 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-07-10 15:40:13,366 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2021-07-10 15:40:13,825 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 128 [2021-07-10 15:40:14,138 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 136 [2021-07-10 15:40:14,503 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2021-07-10 15:40:14,899 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 154 [2021-07-10 15:40:14,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:14,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:14,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:14,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:14,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:14,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:14,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:14,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:14,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:14,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:14,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:14,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:40:14,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:40:15,182 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2021-07-10 15:40:15,182 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:40:15,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:40:15,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1080078194, now seen corresponding path program 13 times [2021-07-10 15:40:15,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:40:15,183 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475946398] [2021-07-10 15:40:15,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:40:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:40:15,339 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 31 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:15,339 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:40:15,339 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475946398] [2021-07-10 15:40:15,339 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475946398] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:15,339 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049033391] [2021-07-10 15:40:15,339 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 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 15:40:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:40:15,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-10 15:40:15,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:40:15,754 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 31 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:15,754 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049033391] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:15,754 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:40:15,754 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 35 [2021-07-10 15:40:15,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69438875] [2021-07-10 15:40:15,755 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-10 15:40:15,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:40:15,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-10 15:40:15,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=972, Unknown=0, NotChecked=0, Total=1190 [2021-07-10 15:40:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:15,756 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:40:15,756 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.3714285714285714) internal successors, (83), 35 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:40:15,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:15,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:15,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:15,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:15,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:15,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:15,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:15,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:15,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:15,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:15,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:15,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:40:15,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:40:15,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:16,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:16,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:16,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:16,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:16,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:16,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:16,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:16,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:16,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:16,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:16,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:16,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:40:16,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:40:16,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:40:17,198 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:40:17,199 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:40:17,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:40:17,199 INFO L82 PathProgramCache]: Analyzing trace with hash -732018796, now seen corresponding path program 14 times [2021-07-10 15:40:17,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:40:17,200 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007737701] [2021-07-10 15:40:17,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:40:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:40:17,782 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:17,782 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:40:17,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007737701] [2021-07-10 15:40:17,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007737701] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:17,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372601693] [2021-07-10 15:40:17,782 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 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 15:40:17,818 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 15:40:17,818 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:40:17,819 WARN L261 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 77 conjunts are in the unsatisfiable core [2021-07-10 15:40:17,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:40:18,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:18,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:19,139 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-07-10 15:40:19,139 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:40:19,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 77 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 69 treesize of output 291 [2021-07-10 15:40:19,370 INFO L550 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-07-10 15:40:19,377 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:40:19,378 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 15:40:19,378 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:17 [2021-07-10 15:40:19,494 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:19,494 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372601693] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:19,494 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:40:19,494 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 43 [2021-07-10 15:40:19,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85501764] [2021-07-10 15:40:19,495 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-10 15:40:19,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:40:19,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-10 15:40:19,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1696, Unknown=0, NotChecked=0, Total=1806 [2021-07-10 15:40:19,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:19,496 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:40:19,496 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 2.116279069767442) internal successors, (91), 43 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:40:19,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:19,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:19,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:19,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:19,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:19,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:19,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:19,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:19,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:19,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:19,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:19,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:40:19,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:40:19,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:40:19,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:19,829 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2021-07-10 15:40:20,063 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2021-07-10 15:40:20,317 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2021-07-10 15:40:20,702 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2021-07-10 15:40:20,957 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2021-07-10 15:40:21,144 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2021-07-10 15:40:21,576 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 108 [2021-07-10 15:40:21,757 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2021-07-10 15:40:22,578 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 154 [2021-07-10 15:40:22,809 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2021-07-10 15:40:23,295 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2021-07-10 15:40:23,766 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2021-07-10 15:40:24,347 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 153 [2021-07-10 15:40:24,551 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2021-07-10 15:40:25,062 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2021-07-10 15:40:25,653 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 105 [2021-07-10 15:40:26,265 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 155 [2021-07-10 15:40:26,449 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2021-07-10 15:40:27,017 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2021-07-10 15:40:27,567 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 123 [2021-07-10 15:40:28,139 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 155 [2021-07-10 15:40:28,901 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2021-07-10 15:40:29,512 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 143 [2021-07-10 15:40:30,131 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 159 [2021-07-10 15:40:30,654 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2021-07-10 15:40:30,900 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 118 [2021-07-10 15:40:31,545 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 152 [2021-07-10 15:40:31,953 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 160 [2021-07-10 15:40:32,868 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 170 [2021-07-10 15:40:33,439 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 146 [2021-07-10 15:40:33,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:33,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:33,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:33,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:33,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:33,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:33,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:33,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:33,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:33,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:33,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:33,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:40:33,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:40:33,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:40:33,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-10 15:40:33,737 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-07-10 15:40:33,738 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:40:33,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:40:33,738 INFO L82 PathProgramCache]: Analyzing trace with hash 795359666, now seen corresponding path program 15 times [2021-07-10 15:40:33,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:40:33,738 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506381556] [2021-07-10 15:40:33,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:40:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:40:33,941 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 43 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:33,942 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:40:33,942 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506381556] [2021-07-10 15:40:33,942 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506381556] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:33,942 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671439074] [2021-07-10 15:40:33,942 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 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 15:40:33,979 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-07-10 15:40:33,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:40:33,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-10 15:40:33,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:40:34,430 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 43 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:34,430 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671439074] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:34,430 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:40:34,430 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 39 [2021-07-10 15:40:34,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816006963] [2021-07-10 15:40:34,431 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-10 15:40:34,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:40:34,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-10 15:40:34,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=270, Invalid=1212, Unknown=0, NotChecked=0, Total=1482 [2021-07-10 15:40:34,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:34,432 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:40:34,432 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 2.3333333333333335) internal successors, (91), 39 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 15:40:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:34,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:34,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:40:34,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:40:34,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:40:34,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-10 15:40:34,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:35,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:35,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:35,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:35,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:35,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:35,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:35,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:35,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:35,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:35,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:35,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:35,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:40:35,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:40:35,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:40:35,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-10 15:40:35,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 15:40:35,964 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 15:40:35,964 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:40:35,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:40:35,965 INFO L82 PathProgramCache]: Analyzing trace with hash 531382740, now seen corresponding path program 16 times [2021-07-10 15:40:35,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:40:35,965 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964160022] [2021-07-10 15:40:35,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:40:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:40:36,744 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:36,744 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:40:36,744 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964160022] [2021-07-10 15:40:36,744 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964160022] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:36,744 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296720284] [2021-07-10 15:40:36,744 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 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 15:40:36,782 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 15:40:36,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:40:36,783 WARN L261 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 83 conjunts are in the unsatisfiable core [2021-07-10 15:40:36,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:40:38,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,504 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:40:38,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:40:38,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:40:38,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:40:38,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:40:38,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:40:38,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:40:38,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:40:38,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 15:40:38,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 36 disjoint index pairs (out of 136 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 27 [2021-07-10 15:40:38,541 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 15:40:38,545 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:40:38,546 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 15:40:38,546 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:83, output treesize:5 [2021-07-10 15:40:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:38,585 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296720284] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:38,585 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:40:38,585 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 47 [2021-07-10 15:40:38,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736631029] [2021-07-10 15:40:38,585 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-10 15:40:38,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:40:38,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-10 15:40:38,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2029, Unknown=0, NotChecked=0, Total=2162 [2021-07-10 15:40:38,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:38,587 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:40:38,587 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 2.0638297872340425) internal successors, (97), 47 states have internal predecessors, (97), 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 15:40:38,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:38,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:38,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:38,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:38,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:38,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:38,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:38,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:38,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:38,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:38,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:38,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:40:38,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:40:38,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:40:38,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-10 15:40:38,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 15:40:38,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:38,883 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2021-07-10 15:40:39,457 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 115 [2021-07-10 15:40:39,962 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 119 [2021-07-10 15:40:40,686 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 172 [2021-07-10 15:40:41,201 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 121 [2021-07-10 15:40:41,946 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 168 [2021-07-10 15:40:42,450 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 123 [2021-07-10 15:40:43,176 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 168 [2021-07-10 15:40:43,682 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 125 [2021-07-10 15:40:44,379 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 168 [2021-07-10 15:40:44,906 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 127 [2021-07-10 15:40:45,623 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 168 [2021-07-10 15:40:46,163 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 129 [2021-07-10 15:40:46,896 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 168 [2021-07-10 15:40:47,351 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 131 [2021-07-10 15:40:47,972 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 170 [2021-07-10 15:40:48,854 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2021-07-10 15:40:49,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:49,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:49,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:49,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:49,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:49,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:49,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:49,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:49,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:49,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:49,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:49,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:40:49,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:40:49,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:40:49,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-10 15:40:49,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 15:40:49,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-10 15:40:49,514 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable134 [2021-07-10 15:40:49,514 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:40:49,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:40:49,514 INFO L82 PathProgramCache]: Analyzing trace with hash 571733234, now seen corresponding path program 17 times [2021-07-10 15:40:49,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:40:49,515 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766722604] [2021-07-10 15:40:49,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:40:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:40:49,703 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 57 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:49,704 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:40:49,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766722604] [2021-07-10 15:40:49,704 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766722604] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:49,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719584924] [2021-07-10 15:40:49,704 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 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 15:40:49,743 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-07-10 15:40:49,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:40:49,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 15:40:49,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:40:50,278 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 57 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:50,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719584924] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:50,278 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:40:50,278 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 43 [2021-07-10 15:40:50,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858397008] [2021-07-10 15:40:50,279 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-10 15:40:50,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:40:50,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-10 15:40:50,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=328, Invalid=1478, Unknown=0, NotChecked=0, Total=1806 [2021-07-10 15:40:50,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:50,280 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:40:50,280 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 2.302325581395349) internal successors, (99), 43 states have internal predecessors, (99), 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 15:40:50,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:50,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:50,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:50,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:50,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:50,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:50,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:50,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:50,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:50,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:50,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:50,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:40:50,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:40:50,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:40:50,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-10 15:40:50,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 15:40:50,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-10 15:40:50,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:51,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:51,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:51,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:51,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:51,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:51,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:51,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:51,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:51,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:51,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:51,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:51,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:40:51,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:40:51,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:40:51,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-10 15:40:51,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 15:40:51,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-10 15:40:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:40:52,094 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable135 [2021-07-10 15:40:52,094 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:40:52,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:40:52,095 INFO L82 PathProgramCache]: Analyzing trace with hash 374746388, now seen corresponding path program 18 times [2021-07-10 15:40:52,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:40:52,095 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873861393] [2021-07-10 15:40:52,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:40:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:40:52,933 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:52,933 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:40:52,933 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873861393] [2021-07-10 15:40:52,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873861393] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:52,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646221716] [2021-07-10 15:40:52,934 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 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 15:40:52,987 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-07-10 15:40:52,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:40:52,988 WARN L261 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 96 conjunts are in the unsatisfiable core [2021-07-10 15:40:52,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:40:55,861 WARN L205 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 731 DAG size of output: 28 [2021-07-10 15:40:55,861 INFO L354 Elim1Store]: treesize reduction 1629, result has 1.7 percent of original size [2021-07-10 15:40:55,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 0 disjoint index pairs (out of 171 index pairs), introduced 29 new quantified variables, introduced 171 case distinctions, treesize of input 1012 treesize of output 441 [2021-07-10 15:40:55,870 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2021-07-10 15:40:55,875 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:40:55,876 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 15:40:55,876 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:1012, output treesize:15 [2021-07-10 15:40:55,972 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:40:55,972 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646221716] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:40:55,972 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:40:55,972 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 29] total 53 [2021-07-10 15:40:55,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614810626] [2021-07-10 15:40:55,973 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-10 15:40:55,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:40:55,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-10 15:40:55,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=2602, Unknown=0, NotChecked=0, Total=2756 [2021-07-10 15:40:55,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:55,974 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:40:55,974 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 2.018867924528302) internal successors, (107), 53 states have internal predecessors, (107), 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 15:40:55,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:40:55,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:40:55,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:40:55,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:40:55,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:40:55,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:40:55,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:40:55,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:40:55,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:40:55,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:55,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:40:55,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:40:55,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:40:55,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:40:55,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-10 15:40:55,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 15:40:55,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-10 15:40:55,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:40:55,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:40:56,301 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2021-07-10 15:40:56,514 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2021-07-10 15:40:56,774 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2021-07-10 15:40:57,221 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 140 [2021-07-10 15:40:57,545 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 130 [2021-07-10 15:40:57,780 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 117 [2021-07-10 15:40:58,252 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 133 [2021-07-10 15:40:58,469 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2021-07-10 15:40:59,305 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 197 [2021-07-10 15:40:59,579 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 141 [2021-07-10 15:41:00,106 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 135 [2021-07-10 15:41:00,309 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 105 [2021-07-10 15:41:00,609 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2021-07-10 15:41:01,161 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2021-07-10 15:41:01,408 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 133 [2021-07-10 15:41:02,002 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 137 [2021-07-10 15:41:02,191 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2021-07-10 15:41:02,552 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 111 [2021-07-10 15:41:03,140 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 197 [2021-07-10 15:41:03,386 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 129 [2021-07-10 15:41:03,999 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 139 [2021-07-10 15:41:04,174 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 95 [2021-07-10 15:41:04,601 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 131 [2021-07-10 15:41:05,197 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 199 [2021-07-10 15:41:05,414 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 123 [2021-07-10 15:41:06,040 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 141 [2021-07-10 15:41:06,678 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 149 [2021-07-10 15:41:07,292 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 199 [2021-07-10 15:41:07,487 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 114 [2021-07-10 15:41:07,871 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2021-07-10 15:41:08,171 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 143 [2021-07-10 15:41:08,911 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 171 [2021-07-10 15:41:09,545 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 203 [2021-07-10 15:41:09,715 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 111 [2021-07-10 15:41:10,151 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2021-07-10 15:41:10,464 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 145 [2021-07-10 15:41:11,273 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 187 [2021-07-10 15:41:11,893 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 203 [2021-07-10 15:41:12,415 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 122 [2021-07-10 15:41:12,727 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 147 [2021-07-10 15:41:13,435 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 197 [2021-07-10 15:41:14,035 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 205 [2021-07-10 15:41:14,583 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 154 [2021-07-10 15:41:15,293 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 216 [2021-07-10 15:41:16,056 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2021-07-10 15:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-10 15:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 15:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-10 15:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-10 15:41:16,339 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable136 [2021-07-10 15:41:16,340 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:41:16,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:41:16,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1767055666, now seen corresponding path program 19 times [2021-07-10 15:41:16,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:41:16,340 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20134979] [2021-07-10 15:41:16,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:41:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:41:16,565 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 73 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:41:16,565 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:41:16,565 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20134979] [2021-07-10 15:41:16,565 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20134979] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:41:16,565 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311345287] [2021-07-10 15:41:16,565 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 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 15:41:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:41:16,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-10 15:41:16,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:41:17,116 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 73 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:41:17,116 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311345287] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:41:17,116 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 15:41:17,116 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 47 [2021-07-10 15:41:17,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761693960] [2021-07-10 15:41:17,116 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-10 15:41:17,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 15:41:17,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-10 15:41:17,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=392, Invalid=1770, Unknown=0, NotChecked=0, Total=2162 [2021-07-10 15:41:17,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:41:17,117 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 15:41:17,117 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 2.276595744680851) internal successors, (107), 47 states have internal predecessors, (107), 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 15:41:17,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:41:17,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:41:17,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:41:17,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:41:17,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:41:17,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:41:17,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:41:17,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:41:17,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:41:17,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:41:17,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:41:17,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:41:17,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:41:17,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:41:17,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-10 15:41:17,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 15:41:17,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-10 15:41:17,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:41:17,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-07-10 15:41:17,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 15:41:18,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 15:41:18,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 15:41:18,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 15:41:18,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 15:41:18,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 15:41:18,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 15:41:18,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 15:41:18,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 15:41:18,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 15:41:18,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:41:18,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 15:41:18,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-10 15:41:18,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:41:18,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 15:41:18,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-10 15:41:18,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 15:41:18,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-10 15:41:18,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-10 15:41:18,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-10 15:41:18,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-10 15:41:19,017 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable137 [2021-07-10 15:41:19,017 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 15:41:19,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 15:41:19,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1971631788, now seen corresponding path program 20 times [2021-07-10 15:41:19,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 15:41:19,017 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088569020] [2021-07-10 15:41:19,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 15:41:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 15:41:19,986 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 15:41:19,986 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 15:41:19,987 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088569020] [2021-07-10 15:41:19,987 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088569020] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 15:41:19,987 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85041301] [2021-07-10 15:41:19,987 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 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 15:41:20,049 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 15:41:20,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 15:41:20,050 WARN L261 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 101 conjunts are in the unsatisfiable core [2021-07-10 15:41:20,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 15:41:21,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:21,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:21,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:21,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:21,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:21,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:21,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:21,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:21,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:21,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:21,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:21,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:21,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:21,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:21,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:21,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:21,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:21,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:21,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:21,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:21,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:21,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 15:41:22,115 INFO L244 Elim1Store]: Index analysis took 136 ms [2021-07-10 15:41:22,521 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-07-10 15:41:22,521 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 15:41:22,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 155 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 125 treesize of output 679 [2021-07-10 15:41:22,723 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 369 [2021-07-10 15:41:23,259 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 764 [2021-07-10 15:41:23,646 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 1486 DAG size of output: 781 [2021-07-10 15:41:25,805 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 3772 DAG size of output: 2173 [2021-07-10 15:41:27,621 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 3782 DAG size of output: 2184 [2021-07-10 15:41:31,572 WARN L205 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 8461 DAG size of output: 3923 [2021-07-10 15:41:35,211 WARN L205 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 8481 DAG size of output: 3944 [2021-07-10 15:41:52,779 WARN L205 SmtUtils]: Spent 14.92 s on a formula simplification. DAG size of input: 26906 DAG size of output: 10981 [2021-07-10 15:42:10,061 WARN L205 SmtUtils]: Spent 16.16 s on a formula simplification. DAG size of input: 26924 DAG size of output: 11000 [2021-07-10 15:42:22,674 WARN L205 SmtUtils]: Spent 12.44 s on a formula simplification. DAG size of input: 10518 DAG size of output: 10514 [2021-07-10 15:42:35,162 WARN L205 SmtUtils]: Spent 12.38 s on a formula simplification. DAG size of input: 10512 DAG size of output: 10512 [2021-07-10 15:42:47,071 WARN L205 SmtUtils]: Spent 11.82 s on a formula simplification. DAG size of input: 10512 DAG size of output: 10512 [2021-07-10 15:42:51,007 WARN L205 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 3116 DAG size of output: 3447 [2021-07-10 15:42:51,670 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 790 [2021-07-10 15:42:51,789 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 591 [2021-07-10 15:42:52,015 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 403 [2021-07-10 15:42:52,230 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 417 [2021-07-10 15:42:52,501 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 703 DAG size of output: 691 [2021-07-10 15:42:53,042 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 1068 DAG size of output: 1052 [2021-07-10 15:42:54,926 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1593 DAG size of output: 1675 [2021-07-10 15:42:55,240 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 639 [2021-07-10 15:42:55,619 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 641 DAG size of output: 733 [2021-07-10 15:42:55,949 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 1102 DAG size of output: 755 [2021-07-10 15:42:56,188 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 1102 DAG size of output: 755 [2021-07-10 15:42:56,345 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1108 DAG size of output: 322 [2021-07-10 15:42:56,662 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 901 DAG size of output: 901 [2021-07-10 15:42:56,940 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 901 DAG size of output: 901 [2021-07-10 15:42:57,282 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 776 DAG size of output: 776 [2021-07-10 15:42:57,406 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 609 [2021-07-10 15:42:57,766 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1010 DAG size of output: 437 [2021-07-10 15:42:57,964 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 518 [2021-07-10 15:42:58,215 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1410 DAG size of output: 675 [2021-07-10 15:42:58,590 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 1637 DAG size of output: 810 [2021-07-10 15:42:58,915 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 1637 DAG size of output: 810 [2021-07-10 15:43:00,794 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 4143 DAG size of output: 2359 [2021-07-10 15:43:05,962 WARN L205 SmtUtils]: Spent 5.15 s on a formula simplification. DAG size of input: 8329 DAG size of output: 4340 [2021-07-10 15:43:06,923 WARN L205 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 1803 DAG size of output: 1803 [2021-07-10 15:43:09,034 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 1805 DAG size of output: 2145 [2021-07-10 15:43:10,339 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1701 DAG size of output: 1894 [2021-07-10 15:43:10,766 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 666 [2021-07-10 15:43:10,998 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 619 [2021-07-10 15:43:11,346 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1003 DAG size of output: 675 [2021-07-10 15:43:11,637 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 1378 DAG size of output: 1035 [2021-07-10 15:43:12,805 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 3387 DAG size of output: 2592 [2021-07-10 15:43:15,253 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 4405 DAG size of output: 3576 [2021-07-10 15:43:17,681 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 4405 DAG size of output: 3576 [2021-07-10 15:43:20,148 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 4409 DAG size of output: 3580 [2021-07-10 15:43:22,353 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 2506 DAG size of output: 2654 [2021-07-10 15:43:24,668 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 5252 DAG size of output: 2390 [2021-07-10 15:43:25,987 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1543 DAG size of output: 1614 [2021-07-10 15:43:26,384 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 1415 DAG size of output: 1415 [2021-07-10 15:43:26,679 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 420 [2021-07-10 15:43:26,973 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 554 [2021-07-10 15:43:27,082 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 471 [2021-07-10 15:43:27,367 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 921 DAG size of output: 882 [2021-07-10 15:43:27,524 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 921 DAG size of output: 882 [2021-07-10 15:43:27,944 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 939 DAG size of output: 1003 [2021-07-10 15:43:28,272 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 822 DAG size of output: 914 [2021-07-10 15:43:28,490 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 758 DAG size of output: 795 [2021-07-10 15:43:28,724 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 864 DAG size of output: 857 [2021-07-10 15:43:29,102 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 1270 [2021-07-10 15:43:29,762 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 1718 DAG size of output: 1696 [2021-07-10 15:43:30,024 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 642 [2021-07-10 15:43:30,322 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 916 DAG size of output: 632 [2021-07-10 15:43:31,241 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 2820 DAG size of output: 2329 [2021-07-10 15:43:33,836 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 5860 DAG size of output: 3906 [2021-07-10 15:43:34,524 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 786 DAG size of output: 867 [2021-07-10 15:43:35,274 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 1540 DAG size of output: 940 [2021-07-10 15:43:36,687 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 782 [2021-07-10 15:43:37,104 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 784 DAG size of output: 928 [2021-07-10 15:43:37,576 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 1611 DAG size of output: 863 [2021-07-10 15:43:37,798 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 1611 DAG size of output: 863 [2021-07-10 15:43:38,101 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 1617 DAG size of output: 131 [2021-07-10 15:43:38,635 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 1357 [2021-07-10 15:43:39,137 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 1357 [2021-07-10 15:43:39,257 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 506 [2021-07-10 15:43:40,219 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 1261 DAG size of output: 769 [2021-07-10 15:43:40,485 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 1029 DAG size of output: 1029 [2021-07-10 15:43:41,244 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 657 [2021-07-10 15:43:41,408 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 892 DAG size of output: 513 [2021-07-10 15:43:41,692 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 1951 DAG size of output: 891 [2021-07-10 15:43:42,284 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 2915 DAG size of output: 1422 [2021-07-10 15:43:42,882 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 2915 DAG size of output: 1422 [2021-07-10 15:43:43,498 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 2921 DAG size of output: 1428 [2021-07-10 15:43:44,551 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 2295 DAG size of output: 1675 [2021-07-10 15:43:45,667 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 2101 DAG size of output: 2101 [2021-07-10 15:43:48,186 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 2103 DAG size of output: 2642 [2021-07-10 15:43:50,152 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 1891 DAG size of output: 2055 [2021-07-10 15:43:50,415 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 830 DAG size of output: 830 [2021-07-10 15:43:51,345 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1369 DAG size of output: 1066 [2021-07-10 15:43:51,866 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 3398 DAG size of output: 247 [2021-07-10 15:43:53,626 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 4879 DAG size of output: 2076 [2021-07-10 15:43:55,380 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 4879 DAG size of output: 2076 [2021-07-10 15:43:57,239 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 4890 DAG size of output: 2084 [2021-07-10 15:43:57,731 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 717 DAG size of output: 616 [2021-07-10 15:44:00,088 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 1861 DAG size of output: 2316 [2021-07-10 15:44:00,941 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 1741 DAG size of output: 1741 [2021-07-10 15:44:01,384 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 1292 DAG size of output: 1292 [2021-07-10 15:44:01,594 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 940 DAG size of output: 940 [2021-07-10 15:44:01,935 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 640 [2021-07-10 15:44:02,306 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 598 [2021-07-10 15:44:03,127 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 1003 [2021-07-10 15:44:03,580 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 2060 DAG size of output: 1736 [2021-07-10 15:44:03,719 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 579 [2021-07-10 15:44:05,006 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 1439 DAG size of output: 1191 [2021-07-10 15:44:05,969 WARN L205 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 3095 DAG size of output: 2576 [2021-07-10 15:44:06,504 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 771 DAG size of output: 866 [2021-07-10 15:44:06,798 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 729 DAG size of output: 816 [2021-07-10 15:44:07,558 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 1452 DAG size of output: 1297 [2021-07-10 15:44:08,174 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 2027 DAG size of output: 1848 [2021-07-10 15:44:10,021 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 4623 DAG size of output: 3959 [2021-07-10 15:44:13,434 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 5537 DAG size of output: 4843 [2021-07-10 15:44:17,028 WARN L205 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 6085 DAG size of output: 5302 [2021-07-10 15:44:24,606 WARN L205 SmtUtils]: Spent 7.52 s on a formula simplification. DAG size of input: 29313 DAG size of output: 6299 [2021-07-10 15:44:32,242 WARN L205 SmtUtils]: Spent 7.55 s on a formula simplification. DAG size of input: 29313 DAG size of output: 6299 [2021-07-10 15:44:40,125 WARN L205 SmtUtils]: Spent 7.75 s on a formula simplification. DAG size of input: 29317 DAG size of output: 6303 [2021-07-10 15:44:44,057 WARN L205 SmtUtils]: Spent 3.90 s on a formula simplification. DAG size of input: 4068 DAG size of output: 4045 [2021-07-10 15:44:47,472 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 2392 DAG size of output: 2633 [2021-07-10 15:44:47,928 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 946 [2021-07-10 15:44:48,065 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 375 [2021-07-10 15:44:48,776 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 1611 DAG size of output: 980 [2021-07-10 15:44:51,841 WARN L205 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 4077 DAG size of output: 3135 [2021-07-10 15:44:52,130 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 840 DAG size of output: 841 [2021-07-10 15:44:52,614 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 1262 DAG size of output: 700 [2021-07-10 15:44:53,421 WARN L205 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 1021 DAG size of output: 1112 [2021-07-10 15:44:54,023 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 1311 DAG size of output: 1086 [2021-07-10 15:44:59,088 WARN L205 SmtUtils]: Spent 5.05 s on a formula simplification. DAG size of input: 6403 DAG size of output: 4447 [2021-07-10 15:44:59,589 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 2246 DAG size of output: 2257 [2021-07-10 15:45:00,553 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 2798 DAG size of output: 2049 [2021-07-10 15:45:07,055 WARN L205 SmtUtils]: Spent 6.48 s on a formula simplification. DAG size of input: 8869 DAG size of output: 6229 [2021-07-10 15:45:13,578 WARN L205 SmtUtils]: Spent 6.48 s on a formula simplification. DAG size of input: 8869 DAG size of output: 6229 [2021-07-10 15:45:20,505 WARN L205 SmtUtils]: Spent 6.85 s on a formula simplification. DAG size of input: 8872 DAG size of output: 6232 [2021-07-10 15:45:28,915 WARN L205 SmtUtils]: Spent 8.37 s on a formula simplification. DAG size of input: 6002 DAG size of output: 3113 [2021-07-10 15:45:30,074 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 3040 DAG size of output: 3051 [2021-07-10 15:45:31,231 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 3040 DAG size of output: 3051 [2021-07-10 15:45:32,605 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 3046 DAG size of output: 3057 [2021-07-10 15:45:33,806 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 3118 DAG size of output: 3131 [2021-07-10 15:45:34,328 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 1393 DAG size of output: 1393 [2021-07-10 15:45:35,069 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 1640 DAG size of output: 1294 [2021-07-10 15:45:36,552 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 3508 DAG size of output: 2693 [2021-07-10 15:45:37,980 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 3508 DAG size of output: 2693 [2021-07-10 15:45:40,038 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 3514 DAG size of output: 2699 [2021-07-10 15:45:41,160 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 2809 DAG size of output: 2815 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown