/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 20:54:04,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 20:54:04,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 20:54:04,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 20:54:04,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 20:54:04,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 20:54:04,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 20:54:04,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 20:54:04,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 20:54:04,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 20:54:04,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 20:54:04,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 20:54:04,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 20:54:04,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 20:54:04,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 20:54:04,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 20:54:04,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 20:54:04,409 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-Random42.epf [2021-07-14 20:54:04,444 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 20:54:04,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 20:54:04,445 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 20:54:04,445 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 20:54:04,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 20:54:04,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 20:54:04,447 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 20:54:04,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 20:54:04,448 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 20:54:04,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 20:54:04,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 20:54:04,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 20:54:04,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 20:54:04,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 20:54:04,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 20:54:04,449 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 20:54:04,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 20:54:04,450 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 20:54:04,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 20:54:04,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 20:54:04,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 20:54:04,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 20:54:04,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 20:54:04,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 20:54:04,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 20:54:04,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 20:54:04,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 20:54:04,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 20:54:04,451 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 20:54:04,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 20:54:04,452 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 20:54:04,452 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 20:54:04,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 20:54:04,452 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 20:54:04,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 20:54:04,452 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 20:54:04,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 20:54:04,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 20:54:04,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 20:54:04,772 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 20:54:04,773 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 20:54:04,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl [2021-07-14 20:54:04,774 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl' [2021-07-14 20:54:04,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 20:54:04,797 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 20:54:04,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 20:54:04,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 20:54:04,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 20:54:04,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:54:04" (1/1) ... [2021-07-14 20:54:04,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:54:04" (1/1) ... [2021-07-14 20:54:04,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 20:54:04,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 20:54:04,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 20:54:04,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 20:54:04,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:54:04" (1/1) ... [2021-07-14 20:54:04,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:54:04" (1/1) ... [2021-07-14 20:54:04,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:54:04" (1/1) ... [2021-07-14 20:54:04,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:54:04" (1/1) ... [2021-07-14 20:54:04,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:54:04" (1/1) ... [2021-07-14 20:54:04,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:54:04" (1/1) ... [2021-07-14 20:54:04,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:54:04" (1/1) ... [2021-07-14 20:54:04,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 20:54:04,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 20:54:04,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 20:54:04,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 20:54:04,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:54:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 20:54:04,910 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 20:54:04,910 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 20:54:04,911 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 20:54:04,911 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 20:54:04,911 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 20:54:04,911 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 20:54:04,911 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 20:54:04,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 20:54:04,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 20:54:04,912 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 20:54:05,118 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 20:54:05,118 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 20:54:05,119 INFO L202 PluginConnector]: Adding new model misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:54:05 BoogieIcfgContainer [2021-07-14 20:54:05,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 20:54:05,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 20:54:05,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 20:54:05,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 20:54:05,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:54:04" (1/2) ... [2021-07-14 20:54:05,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433aa5e7 and model type misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 08:54:05, skipping insertion in model container [2021-07-14 20:54:05,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:54:05" (2/2) ... [2021-07-14 20:54:05,125 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-1.wvr.bpl [2021-07-14 20:54:05,143 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 20:54:05,144 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 20:54:05,144 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 20:54:05,157 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 20:54:05,200 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 20:54:05,218 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 20:54:05,267 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 20:54:05,267 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 20:54:05,267 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 20:54:05,267 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 20:54:05,267 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 20:54:05,267 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 20:54:05,268 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 20:54:05,268 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 20:54:05,374 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:54:05,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:54:05,382 INFO L82 PathProgramCache]: Analyzing trace with hash 377684828, now seen corresponding path program 1 times [2021-07-14 20:54:05,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:54:05,391 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035608500] [2021-07-14 20:54:05,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:54:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:54:05,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:54:05,667 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:54:05,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035608500] [2021-07-14 20:54:05,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035608500] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:54:05,667 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:54:05,668 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 20:54:05,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067102918] [2021-07-14 20:54:05,671 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 20:54:05,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:54:05,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 20:54:05,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-14 20:54:05,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:54:05,684 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:54:05,686 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:54:05,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:54:05,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:54:05,757 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 20:54:05,757 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:54:05,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:54:05,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1912386852, now seen corresponding path program 1 times [2021-07-14 20:54:05,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:54:05,759 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618236172] [2021-07-14 20:54:05,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:54:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:54:05,811 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 20:54:05,811 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:54:05,811 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618236172] [2021-07-14 20:54:05,811 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618236172] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:54:05,811 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37403165] [2021-07-14 20:54:05,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:54:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:54:05,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 20:54:05,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:54:06,018 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:54:06,018 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37403165] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:54:06,018 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:54:06,019 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-07-14 20:54:06,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95897098] [2021-07-14 20:54:06,022 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 20:54:06,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:54:06,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 20:54:06,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-07-14 20:54:06,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:54:06,027 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:54:06,027 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:54:06,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:54:06,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:54:06,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:54:06,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:54:06,436 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:54:06,437 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:54:06,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:54:06,438 INFO L82 PathProgramCache]: Analyzing trace with hash -891020516, now seen corresponding path program 1 times [2021-07-14 20:54:06,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:54:06,438 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310439343] [2021-07-14 20:54:06,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:54:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:54:07,087 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:54:07,087 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:54:07,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310439343] [2021-07-14 20:54:07,087 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310439343] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:54:07,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124747926] [2021-07-14 20:54:07,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:54:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:54:07,135 WARN L261 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-14 20:54:07,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:54:07,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-14 20:54:07,557 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:54:07,561 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:54:07,562 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:54:07,562 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:11 [2021-07-14 20:54:07,618 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:54:07,619 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124747926] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:54:07,619 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:54:07,619 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14] total 26 [2021-07-14 20:54:07,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857203273] [2021-07-14 20:54:07,620 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 20:54:07,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:54:07,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 20:54:07,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=583, Unknown=0, NotChecked=0, Total=702 [2021-07-14 20:54:07,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:54:07,622 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:54:07,622 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.962962962962963) internal successors, (53), 26 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:54:07,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:54:07,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:54:07,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:54:08,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:54:08,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:54:08,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:54:08,616 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:54:08,617 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:54:08,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:54:08,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1489552040, now seen corresponding path program 2 times [2021-07-14 20:54:08,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:54:08,618 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331603991] [2021-07-14 20:54:08,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:54:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:54:08,740 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:54:08,740 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:54:08,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331603991] [2021-07-14 20:54:08,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331603991] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:54:08,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918768795] [2021-07-14 20:54:08,741 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:54:08,796 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:54:08,796 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:54:08,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 20:54:08,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:54:08,934 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:54:08,935 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918768795] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:54:08,935 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:54:08,935 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 10 [2021-07-14 20:54:08,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104649301] [2021-07-14 20:54:08,936 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 20:54:08,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:54:08,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 20:54:08,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-07-14 20:54:08,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:54:08,938 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:54:08,938 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:54:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:54:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:54:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:54:08,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:54:09,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:54:09,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:54:09,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:54:09,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:54:09,356 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:54:09,357 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:54:09,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:54:09,357 INFO L82 PathProgramCache]: Analyzing trace with hash 877000490, now seen corresponding path program 3 times [2021-07-14 20:54:09,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:54:09,358 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404827867] [2021-07-14 20:54:09,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:54:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:54:09,502 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 24 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:54:09,502 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:54:09,502 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404827867] [2021-07-14 20:54:09,503 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404827867] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:54:09,503 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091273102] [2021-07-14 20:54:09,503 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:54:09,540 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-14 20:54:09,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:54:09,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 20:54:09,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:54:09,687 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 34 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:54:09,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091273102] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:54:09,688 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:54:09,688 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 11 [2021-07-14 20:54:09,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249813754] [2021-07-14 20:54:09,689 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 20:54:09,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:54:09,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 20:54:09,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-07-14 20:54:09,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:54:09,690 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:54:09,691 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 11 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) [2021-07-14 20:54:09,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:54:09,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:54:09,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:54:09,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:54:09,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:54:09,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:54:09,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:54:09,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:54:09,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:54:09,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:54:10,132 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:54:10,133 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:54:10,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:54:10,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1732295704, now seen corresponding path program 4 times [2021-07-14 20:54:10,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:54:10,134 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162620153] [2021-07-14 20:54:10,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:54:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:54:10,237 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 24 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:54:10,238 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:54:10,238 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162620153] [2021-07-14 20:54:10,238 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162620153] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:54:10,238 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552308237] [2021-07-14 20:54:10,238 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:54:10,274 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 20:54:10,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:54:10,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 20:54:10,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:54:10,395 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 34 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:54:10,396 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552308237] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:54:10,396 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:54:10,396 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 12 [2021-07-14 20:54:10,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151924458] [2021-07-14 20:54:10,397 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 20:54:10,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:54:10,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 20:54:10,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-07-14 20:54:10,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:54:10,398 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:54:10,398 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 12 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:54:10,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:54:10,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:54:10,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:54:10,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:54:10,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:54:10,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:54:10,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:54:10,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:54:10,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:54:10,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:54:10,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:54:10,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:54:10,873 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:54:10,874 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:54:10,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:54:10,874 INFO L82 PathProgramCache]: Analyzing trace with hash 208551402, now seen corresponding path program 5 times [2021-07-14 20:54:10,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:54:10,875 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922455942] [2021-07-14 20:54:10,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:54:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:54:12,694 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 2 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:54:12,695 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:54:12,695 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922455942] [2021-07-14 20:54:12,695 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922455942] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:54:12,695 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445895298] [2021-07-14 20:54:12,695 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:54:12,736 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 20:54:12,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:54:12,737 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 73 conjunts are in the unsatisfiable core [2021-07-14 20:54:12,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:54:14,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 27 [2021-07-14 20:54:14,520 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:54:14,524 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:54:14,524 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:54:14,524 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:11 [2021-07-14 20:54:14,582 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:54:14,582 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445895298] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:54:14,582 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:54:14,582 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 32] total 62 [2021-07-14 20:54:14,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353704647] [2021-07-14 20:54:14,583 INFO L462 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-07-14 20:54:14,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:54:14,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-07-14 20:54:14,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=3545, Unknown=0, NotChecked=0, Total=3906 [2021-07-14 20:54:14,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:54:14,586 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:54:14,586 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 1.7936507936507937) internal successors, (113), 62 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:54:14,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:54:14,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:54:14,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:54:14,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:54:14,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:54:14,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:54:14,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:54:17,444 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 67 [2021-07-14 20:54:17,926 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2021-07-14 20:54:18,081 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2021-07-14 20:54:18,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:54:18,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:54:18,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:54:18,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:54:18,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:54:18,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:54:18,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 20:54:19,159 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:54:19,159 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:54:19,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:54:19,160 INFO L82 PathProgramCache]: Analyzing trace with hash 421166504, now seen corresponding path program 6 times [2021-07-14 20:54:19,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:54:19,160 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202361466] [2021-07-14 20:54:19,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:54:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:54:19,312 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 65 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:54:19,312 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:54:19,313 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202361466] [2021-07-14 20:54:19,313 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202361466] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:54:19,313 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479809566] [2021-07-14 20:54:19,313 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:54:19,356 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-14 20:54:19,356 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:54:19,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 20:54:19,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:54:19,509 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 81 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:54:19,510 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479809566] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:54:19,510 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:54:19,510 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 16 [2021-07-14 20:54:19,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488401669] [2021-07-14 20:54:19,511 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 20:54:19,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:54:19,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 20:54:19,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2021-07-14 20:54:19,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:54:19,513 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:54:19,513 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 16 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:54:19,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:54:19,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:54:19,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:54:19,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:54:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:54:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:54:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 20:54:19,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:54:19,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:54:19,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:54:19,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:54:19,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:54:19,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:54:19,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:54:19,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 20:54:19,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:54:20,133 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-07-14 20:54:20,133 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:54:20,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:54:20,134 INFO L82 PathProgramCache]: Analyzing trace with hash 416357418, now seen corresponding path program 7 times [2021-07-14 20:54:20,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:54:20,134 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013604372] [2021-07-14 20:54:20,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:54:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:54:22,530 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 23 proven. 201 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:54:22,531 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:54:22,531 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013604372] [2021-07-14 20:54:22,531 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013604372] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:54:22,531 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231053990] [2021-07-14 20:54:22,531 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:54:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:54:22,582 WARN L261 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 97 conjunts are in the unsatisfiable core [2021-07-14 20:54:22,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:54:25,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 33 [2021-07-14 20:54:25,521 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:54:25,525 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:54:25,525 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:54:25,526 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:11 [2021-07-14 20:54:25,574 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:54:25,574 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231053990] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:54:25,575 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:54:25,575 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 44] total 86 [2021-07-14 20:54:25,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714311843] [2021-07-14 20:54:25,575 INFO L462 AbstractCegarLoop]: Interpolant automaton has 87 states [2021-07-14 20:54:25,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:54:25,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-07-14 20:54:25,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=648, Invalid=6834, Unknown=0, NotChecked=0, Total=7482 [2021-07-14 20:54:25,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:54:25,579 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:54:25,579 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 87 states, 87 states have (on average 1.7586206896551724) internal successors, (153), 86 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:54:25,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:54:25,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:54:25,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:54:25,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:54:25,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:54:25,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:54:25,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 20:54:25,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:54:25,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:54:29,883 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 80 [2021-07-14 20:54:30,322 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2021-07-14 20:54:31,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:54:31,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:54:31,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:54:31,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:54:31,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:54:31,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:54:31,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 20:54:31,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:54:31,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 20:54:31,803 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:54:31,803 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:54:31,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:54:31,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1208960872, now seen corresponding path program 8 times [2021-07-14 20:54:31,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:54:31,804 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382005532] [2021-07-14 20:54:31,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:54:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:54:32,003 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 126 proven. 211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:54:32,004 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:54:32,004 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382005532] [2021-07-14 20:54:32,004 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382005532] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:54:32,004 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079013333] [2021-07-14 20:54:32,004 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:54:32,049 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:54:32,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:54:32,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 20:54:32,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:54:32,234 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 148 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:54:32,234 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079013333] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:54:32,234 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:54:32,235 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 20 [2021-07-14 20:54:32,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296374659] [2021-07-14 20:54:32,236 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 20:54:32,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:54:32,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 20:54:32,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2021-07-14 20:54:32,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:54:32,237 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:54:32,237 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 4.9523809523809526) internal successors, (104), 20 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:54:32,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:54:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:54:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:54:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:54:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:54:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:54:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 20:54:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:54:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 20:54:32,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:54:32,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:54:32,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:54:32,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:54:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:54:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:54:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:54:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 20:54:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 20:54:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 20:54:32,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:54:32,868 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:54:32,869 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:54:32,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:54:32,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1746168426, now seen corresponding path program 9 times [2021-07-14 20:54:32,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:54:32,870 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815099199] [2021-07-14 20:54:32,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:54:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:54:36,350 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 27 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:54:36,350 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:54:36,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815099199] [2021-07-14 20:54:36,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815099199] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:54:36,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668702749] [2021-07-14 20:54:36,350 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:54:36,400 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-07-14 20:54:36,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:54:36,402 WARN L261 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 123 conjunts are in the unsatisfiable core [2021-07-14 20:54:36,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:54:43,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:43,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:54:44,214 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2021-07-14 20:54:44,215 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:54:44,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 64 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 56 case distinctions, treesize of input 129 treesize of output 631 [2021-07-14 20:54:44,730 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 1090 DAG size of output: 691 [2021-07-14 20:54:45,244 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 1124 DAG size of output: 726 [2021-07-14 20:54:45,558 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 665 [2021-07-14 20:54:46,181 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 667 DAG size of output: 681 [2021-07-14 20:54:46,504 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 662 DAG size of output: 662 [2021-07-14 20:54:46,760 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 624 [2021-07-14 20:54:47,435 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 588 DAG size of output: 588 [2021-07-14 20:54:47,604 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 550 [2021-07-14 20:54:48,009 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 433 [2021-07-14 20:54:48,337 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 382 [2021-07-14 20:54:49,466 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 584 [2021-07-14 20:54:49,691 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 784 DAG size of output: 680 [2021-07-14 20:54:49,905 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 935 DAG size of output: 790 [2021-07-14 20:54:50,168 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 1077 DAG size of output: 897 [2021-07-14 20:54:50,527 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 1257 DAG size of output: 1054 [2021-07-14 20:54:51,295 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 1686 DAG size of output: 1433 [2021-07-14 20:54:52,277 WARN L205 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 1848 DAG size of output: 1569 [2021-07-14 20:54:53,233 WARN L205 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 2029 DAG size of output: 1703 [2021-07-14 20:54:54,736 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 2224 DAG size of output: 1851 [2021-07-14 20:54:56,366 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 2572 DAG size of output: 2186 [2021-07-14 20:54:58,012 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 2572 DAG size of output: 2186 [2021-07-14 20:55:02,125 WARN L205 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 2600 DAG size of output: 2264 [2021-07-14 20:55:06,531 WARN L205 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 2123 DAG size of output: 2128 [2021-07-14 20:55:10,385 WARN L205 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 2118 DAG size of output: 2212 [2021-07-14 20:55:14,315 WARN L205 SmtUtils]: Spent 3.90 s on a formula simplification. DAG size of input: 2114 DAG size of output: 2220 [2021-07-14 20:55:18,270 WARN L205 SmtUtils]: Spent 3.90 s on a formula simplification. DAG size of input: 2110 DAG size of output: 2178 [2021-07-14 20:55:19,990 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 2104 DAG size of output: 2086 [2021-07-14 20:55:20,428 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 639 [2021-07-14 20:55:23,011 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 2286 DAG size of output: 1913 [2021-07-14 20:55:24,142 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1774 DAG size of output: 1756 [2021-07-14 20:55:24,308 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 422 [2021-07-14 20:55:25,136 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 585 [2021-07-14 20:55:26,121 WARN L205 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 1648 DAG size of output: 1630 [2021-07-14 20:55:26,252 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 371 [2021-07-14 20:55:26,413 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 295 [2021-07-14 20:55:26,725 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 453 [2021-07-14 20:55:27,014 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 575 [2021-07-14 20:55:27,712 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 1530 DAG size of output: 1512 [2021-07-14 20:55:28,952 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1403 DAG size of output: 1443 [2021-07-14 20:55:29,531 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 578 [2021-07-14 20:55:29,954 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 305 [2021-07-14 20:55:30,096 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 401 [2021-07-14 20:55:30,613 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 483 [2021-07-14 20:55:32,247 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 2623 DAG size of output: 2523 [2021-07-14 20:55:32,396 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 365 [2021-07-14 20:55:32,569 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 313 [2021-07-14 20:55:32,794 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 432 [2021-07-14 20:55:32,990 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 512 [2021-07-14 20:55:35,184 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 2873 DAG size of output: 2770 [2021-07-14 20:55:38,139 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 3101 DAG size of output: 3001 [2021-07-14 20:55:41,827 WARN L205 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 3329 DAG size of output: 3226 [2021-07-14 20:55:47,895 WARN L205 SmtUtils]: Spent 6.05 s on a formula simplification. DAG size of input: 5114 DAG size of output: 4498 [2021-07-14 20:55:56,729 WARN L205 SmtUtils]: Spent 8.81 s on a formula simplification. DAG size of input: 6058 DAG size of output: 5432 [2021-07-14 20:56:08,478 WARN L205 SmtUtils]: Spent 11.72 s on a formula simplification. DAG size of input: 7048 DAG size of output: 6413 [2021-07-14 20:56:23,922 WARN L205 SmtUtils]: Spent 15.40 s on a formula simplification. DAG size of input: 7939 DAG size of output: 7300 [2021-07-14 20:56:43,232 WARN L205 SmtUtils]: Spent 19.26 s on a formula simplification. DAG size of input: 8712 DAG size of output: 8071 [2021-07-14 20:57:07,169 WARN L205 SmtUtils]: Spent 23.88 s on a formula simplification. DAG size of input: 9426 DAG size of output: 8765 [2021-07-14 20:57:31,166 WARN L205 SmtUtils]: Spent 23.94 s on a formula simplification. DAG size of input: 9426 DAG size of output: 8765 [2021-07-14 20:57:56,938 WARN L205 SmtUtils]: Spent 25.52 s on a formula simplification. DAG size of input: 9431 DAG size of output: 8770 [2021-07-14 20:58:49,559 WARN L205 SmtUtils]: Spent 52.54 s on a formula simplification. DAG size of input: 8581 DAG size of output: 8917 [2021-07-14 20:59:11,723 WARN L205 SmtUtils]: Spent 22.08 s on a formula simplification. DAG size of input: 8561 DAG size of output: 8542 [2021-07-14 20:59:15,127 WARN L205 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 1949 DAG size of output: 2056 [2021-07-14 20:59:18,495 WARN L205 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 1945 DAG size of output: 2021 [2021-07-14 20:59:21,936 WARN L205 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 1940 DAG size of output: 2013 [2021-07-14 20:59:25,240 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 1936 DAG size of output: 2031 [2021-07-14 20:59:28,539 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 1931 DAG size of output: 1937 [2021-07-14 20:59:28,808 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 568 [2021-07-14 20:59:29,362 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 520 [2021-07-14 20:59:29,511 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 587 [2021-07-14 20:59:29,702 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 654 [2021-07-14 20:59:29,915 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 540 [2021-07-14 20:59:30,083 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 506 [2021-07-14 20:59:30,219 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 470 [2021-07-14 20:59:30,972 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 404 [2021-07-14 20:59:31,902 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 862 [2021-07-14 20:59:32,138 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1111 DAG size of output: 1041 [2021-07-14 20:59:32,402 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 1275 DAG size of output: 1200 [2021-07-14 20:59:32,947 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 1495 DAG size of output: 1407 [2021-07-14 20:59:33,607 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 1791 DAG size of output: 1680 [2021-07-14 20:59:34,365 WARN L205 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 2358 DAG size of output: 2219 [2021-07-14 20:59:35,777 WARN L205 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 2641 DAG size of output: 2493 [2021-07-14 20:59:37,505 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 2868 DAG size of output: 2719 [2021-07-14 20:59:39,288 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 3250 DAG size of output: 3098 [2021-07-14 20:59:39,405 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 334 [2021-07-14 20:59:39,619 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 533 [2021-07-14 20:59:39,761 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 367 [2021-07-14 20:59:40,675 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 568 [2021-07-14 20:59:40,880 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 733 DAG size of output: 668 [2021-07-14 20:59:41,631 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 577 [2021-07-14 20:59:41,824 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 750 DAG size of output: 645 [2021-07-14 20:59:43,240 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 694 DAG size of output: 671 [2021-07-14 20:59:43,589 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 315 [2021-07-14 20:59:44,363 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 789 [2021-07-14 20:59:44,583 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 965 DAG size of output: 921 [2021-07-14 20:59:44,899 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 1108 DAG size of output: 1061 [2021-07-14 20:59:45,341 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 1246 DAG size of output: 1198 [2021-07-14 20:59:45,519 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 413 [2021-07-14 20:59:45,667 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 395 [2021-07-14 20:59:45,787 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 344 [2021-07-14 20:59:45,905 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 339 [2021-07-14 20:59:46,762 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 855 DAG size of output: 816 [2021-07-14 20:59:46,947 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 910 [2021-07-14 20:59:47,214 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 1089 DAG size of output: 1044 [2021-07-14 20:59:47,592 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 1248 DAG size of output: 1197 [2021-07-14 20:59:48,091 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 1396 DAG size of output: 1341 [2021-07-14 20:59:48,744 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 1550 DAG size of output: 1490 [2021-07-14 20:59:49,579 WARN L205 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 1704 DAG size of output: 1639 [2021-07-14 20:59:50,724 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1863 DAG size of output: 1794 [2021-07-14 20:59:52,092 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 2031 DAG size of output: 1962 [2021-07-14 21:00:01,018 WARN L205 SmtUtils]: Spent 8.90 s on a formula simplification. DAG size of input: 8109 DAG size of output: 7642 [2021-07-14 21:00:14,400 WARN L205 SmtUtils]: Spent 13.32 s on a formula simplification. DAG size of input: 9223 DAG size of output: 8754 [2021-07-14 21:00:31,417 WARN L205 SmtUtils]: Spent 16.95 s on a formula simplification. DAG size of input: 10308 DAG size of output: 9833 [2021-07-14 21:00:52,106 WARN L205 SmtUtils]: Spent 20.62 s on a formula simplification. DAG size of input: 11278 DAG size of output: 10799 [2021-07-14 21:01:16,479 WARN L205 SmtUtils]: Spent 24.31 s on a formula simplification. DAG size of input: 12278 DAG size of output: 11793 [2021-07-14 21:01:57,035 WARN L205 SmtUtils]: Spent 40.45 s on a formula simplification. DAG size of input: 7879 DAG size of output: 8199 [2021-07-14 21:02:13,557 WARN L205 SmtUtils]: Spent 16.44 s on a formula simplification. DAG size of input: 7870 DAG size of output: 7851 [2021-07-14 21:02:41,644 WARN L205 SmtUtils]: Spent 28.02 s on a formula simplification. DAG size of input: 7107 DAG size of output: 7401 [2021-07-14 21:02:41,859 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 411 [2021-07-14 21:02:42,003 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 393 [2021-07-14 21:02:42,128 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 343 [2021-07-14 21:02:42,236 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 337 [2021-07-14 21:02:43,014 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 766 DAG size of output: 729 [2021-07-14 21:02:43,228 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 863 DAG size of output: 820 [2021-07-14 21:02:43,492 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 983 DAG size of output: 939 [2021-07-14 21:02:43,867 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 1081 [2021-07-14 21:02:44,377 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 1269 DAG size of output: 1214 [2021-07-14 21:02:45,041 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 1406 DAG size of output: 1342 [2021-07-14 21:02:45,882 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 1543 DAG size of output: 1477 [2021-07-14 21:02:46,970 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1670 DAG size of output: 1602 [2021-07-14 21:02:48,303 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1796 DAG size of output: 1723 [2021-07-14 21:02:48,566 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 590 [2021-07-14 21:02:48,798 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 553 [2021-07-14 21:02:48,971 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 518 [2021-07-14 21:02:49,254 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 483 [2021-07-14 21:02:49,363 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 376 [2021-07-14 21:02:50,364 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 535 [2021-07-14 21:02:50,642 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 766 DAG size of output: 607 [2021-07-14 21:02:50,924 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 854 DAG size of output: 669 [2021-07-14 21:02:51,947 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 1384 DAG size of output: 1166 [2021-07-14 21:02:52,592 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 1504 DAG size of output: 1273 [2021-07-14 21:02:53,629 WARN L205 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 1654 DAG size of output: 1399 [2021-07-14 21:02:54,238 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 535 [2021-07-14 21:02:54,394 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 606 [2021-07-14 21:02:54,594 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 675 DAG size of output: 664 [2021-07-14 21:02:55,780 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1797 [2021-07-14 21:02:55,921 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 345 [2021-07-14 21:02:56,981 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 637 DAG size of output: 593 [2021-07-14 21:02:57,200 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 806 DAG size of output: 756 [2021-07-14 21:02:57,492 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 933 DAG size of output: 880 [2021-07-14 21:02:57,901 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 1048 DAG size of output: 993 [2021-07-14 21:02:59,125 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 620 [2021-07-14 21:02:59,469 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 598 [2021-07-14 21:02:59,587 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 478 [2021-07-14 21:03:00,577 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 675 [2021-07-14 21:03:00,861 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 898 DAG size of output: 852 [2021-07-14 21:03:01,106 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 1037 DAG size of output: 988 [2021-07-14 21:03:01,441 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 1172 DAG size of output: 1120 [2021-07-14 21:03:01,887 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 1317 DAG size of output: 1257 [2021-07-14 21:03:02,468 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 1458 DAG size of output: 1393 [2021-07-14 21:03:02,598 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 387 [2021-07-14 21:03:02,711 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 379 [2021-07-14 21:03:03,476 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 841 DAG size of output: 770 [2021-07-14 21:03:03,675 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 1002 DAG size of output: 929 [2021-07-14 21:03:03,967 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 1162 DAG size of output: 1087 [2021-07-14 21:03:04,360 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 1324 DAG size of output: 1247 [2021-07-14 21:03:04,887 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 1549 DAG size of output: 1470 [2021-07-14 21:03:05,580 WARN L205 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 1730 DAG size of output: 1649 [2021-07-14 21:03:07,157 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 2564 DAG size of output: 2450 [2021-07-14 21:03:09,249 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 2799 DAG size of output: 2687 [2021-07-14 21:03:11,898 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 3036 DAG size of output: 2921 [2021-07-14 21:03:12,447 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 574 [2021-07-14 21:03:12,864 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 623 [2021-07-14 21:03:13,552 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 520 [2021-07-14 21:03:13,984 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 848 DAG size of output: 680 [2021-07-14 21:03:14,195 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 424 [2021-07-14 21:03:14,362 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 462 [2021-07-14 21:03:14,572 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 415 [2021-07-14 21:03:14,720 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 360 [2021-07-14 21:03:15,551 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 991 [2021-07-14 21:03:15,843 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 1267 DAG size of output: 1210 [2021-07-14 21:03:16,278 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 1461 DAG size of output: 1397 [2021-07-14 21:03:16,919 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 1661 DAG size of output: 1594 [2021-07-14 21:03:17,805 WARN L205 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 1853 DAG size of output: 1780 [2021-07-14 21:03:18,172 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 366 [2021-07-14 21:03:18,605 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 302 [2021-07-14 21:03:19,265 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 597 [2021-07-14 21:03:19,531 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 811 DAG size of output: 763 [2021-07-14 21:03:19,828 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 943 DAG size of output: 893 [2021-07-14 21:03:20,249 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 1063 DAG size of output: 1011 [2021-07-14 21:03:21,720 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1815 DAG size of output: 1820 [2021-07-14 21:03:22,650 WARN L205 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 1396 DAG size of output: 1401 [2021-07-14 21:03:23,388 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 539 [2021-07-14 21:03:23,535 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 717 DAG size of output: 599 [2021-07-14 21:03:24,250 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 1269 DAG size of output: 1274 [2021-07-14 21:03:24,781 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 1156 DAG size of output: 1161 [2021-07-14 21:03:25,532 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 577 [2021-07-14 21:03:25,761 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 711 DAG size of output: 679 [2021-07-14 21:03:26,083 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 829 DAG size of output: 796 [2021-07-14 21:03:26,441 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 880 DAG size of output: 883 [2021-07-14 21:03:26,699 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 746 DAG size of output: 748 [2021-07-14 21:03:26,865 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 659 [2021-07-14 21:03:26,972 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 489 [2021-07-14 21:03:27,763 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 742 DAG size of output: 645 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown