/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 22:26:53,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 22:26:53,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 22:26:53,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 22:26:53,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 22:26:53,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 22:26:53,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 22:26:53,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 22:26:53,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 22:26:53,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 22:26:53,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 22:26:53,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 22:26:53,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 22:26:53,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 22:26:53,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 22:26:53,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 22:26:53,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 22:26:53,796 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-DelaySleep-NoLbe-Random521.epf [2021-06-06 22:26:53,822 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 22:26:53,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 22:26:53,823 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 22:26:53,823 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 22:26:53,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 22:26:53,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 22:26:53,825 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 22:26:53,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 22:26:53,825 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 22:26:53,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 22:26:53,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 22:26:53,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 22:26:53,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 22:26:53,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 22:26:53,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 22:26:53,826 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 22:26:53,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 22:26:53,826 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 22:26:53,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 22:26:53,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 22:26:53,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 22:26:53,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 22:26:53,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 22:26:53,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 22:26:53,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 22:26:53,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 22:26:53,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 22:26:53,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 22:26:53,827 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 22:26:53,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 22:26:53,828 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 22:26:53,828 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 22:26:53,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 22:26:53,828 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 22:26:53,828 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 22:26:53,828 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 22:26:54,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 22:26:54,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 22:26:54,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 22:26:54,088 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 22:26:54,089 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 22:26:54,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl [2021-06-06 22:26:54,251 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl' [2021-06-06 22:26:54,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 22:26:54,276 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 22:26:54,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 22:26:54,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 22:26:54,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 22:26:54,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:26:54" (1/1) ... [2021-06-06 22:26:54,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:26:54" (1/1) ... [2021-06-06 22:26:54,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 22:26:54,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 22:26:54,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 22:26:54,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 22:26:54,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:26:54" (1/1) ... [2021-06-06 22:26:54,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:26:54" (1/1) ... [2021-06-06 22:26:54,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:26:54" (1/1) ... [2021-06-06 22:26:54,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:26:54" (1/1) ... [2021-06-06 22:26:54,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:26:54" (1/1) ... [2021-06-06 22:26:54,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:26:54" (1/1) ... [2021-06-06 22:26:54,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:26:54" (1/1) ... [2021-06-06 22:26:54,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 22:26:54,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 22:26:54,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 22:26:54,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 22:26:54,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:26:54" (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 [2021-06-06 22:26:54,365 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 22:26:54,365 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 22:26:54,366 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 22:26:54,366 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 22:26:54,366 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 22:26:54,366 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 22:26:54,367 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 22:26:54,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 22:26:54,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 22:26:54,367 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 22:26:54,367 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 22:26:54,367 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 22:26:54,367 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-06 22:26:54,368 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-06 22:26:54,368 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-06 22:26:54,368 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 22:26:54,554 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 22:26:54,554 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 22:26:54,555 INFO L202 PluginConnector]: Adding new model buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 10:26:54 BoogieIcfgContainer [2021-06-06 22:26:54,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 22:26:54,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 22:26:54,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 22:26:54,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 22:26:54,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:26:54" (1/2) ... [2021-06-06 22:26:54,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3451f3bf and model type buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 10:26:54, skipping insertion in model container [2021-06-06 22:26:54,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 10:26:54" (2/2) ... [2021-06-06 22:26:54,560 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-mult-alt.wvr.bpl [2021-06-06 22:26:54,563 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 22:26:54,564 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 22:26:54,564 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 22:26:54,564 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 22:26:54,632 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-06 22:26:54,658 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 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 [2021-06-06 22:26:54,690 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 22:26:54,691 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 22:26:54,691 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 22:26:54,691 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 22:26:54,691 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 22:26:54,691 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 22:26:54,691 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 22:26:54,691 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 22:26:54,733 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:54,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:54,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1673424416, now seen corresponding path program 1 times [2021-06-06 22:26:54,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:54,745 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263964002] [2021-06-06 22:26:54,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:54,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:54,855 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:54,856 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263964002] [2021-06-06 22:26:54,856 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263964002] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 22:26:54,857 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 22:26:54,857 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 22:26:54,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981295054] [2021-06-06 22:26:54,860 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 22:26:54,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:54,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 22:26:54,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 22:26:54,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:54,877 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:54,878 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-06-06 22:26:54,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:54,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:54,971 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 22:26:54,972 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:54,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:54,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1843724644, now seen corresponding path program 1 times [2021-06-06 22:26:54,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:54,976 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081982716] [2021-06-06 22:26:54,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:55,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:55,018 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:55,018 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081982716] [2021-06-06 22:26:55,018 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081982716] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:55,018 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865669545] [2021-06-06 22:26:55,018 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 [2021-06-06 22:26:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:55,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-06 22:26:55,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:55,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:55,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865669545] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 22:26:55,178 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-06 22:26:55,178 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-06-06 22:26:55,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75608936] [2021-06-06 22:26:55,181 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 22:26:55,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:55,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 22:26:55,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-06 22:26:55,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:55,187 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:55,188 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-06-06 22:26:55,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:55,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:55,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:55,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:55,437 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:55,438 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:55,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:55,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1225065822, now seen corresponding path program 1 times [2021-06-06 22:26:55,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:55,438 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428544514] [2021-06-06 22:26:55,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:55,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:55,495 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:55,495 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428544514] [2021-06-06 22:26:55,495 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428544514] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:55,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72586766] [2021-06-06 22:26:55,496 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 [2021-06-06 22:26:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:55,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-06 22:26:55,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:55,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-06 22:26:55,690 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:55,691 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:55,692 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:26:55,692 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-06 22:26:55,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:55,716 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72586766] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:55,716 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:26:55,716 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-06-06 22:26:55,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994471835] [2021-06-06 22:26:55,717 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 22:26:55,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:55,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 22:26:55,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-06-06 22:26:55,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:55,717 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:55,718 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:26:55,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:55,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:55,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:55,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:55,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:55,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:26:55,972 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:55,973 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:55,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:55,973 INFO L82 PathProgramCache]: Analyzing trace with hash -309828704, now seen corresponding path program 2 times [2021-06-06 22:26:55,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:55,974 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411574931] [2021-06-06 22:26:55,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:56,009 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:56,009 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:56,010 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411574931] [2021-06-06 22:26:56,010 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411574931] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:56,010 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54330474] [2021-06-06 22:26:56,010 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 [2021-06-06 22:26:56,058 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 22:26:56,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:26:56,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-06 22:26:56,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:56,110 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:56,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54330474] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:56,110 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:26:56,110 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3] total 6 [2021-06-06 22:26:56,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554674801] [2021-06-06 22:26:56,111 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 22:26:56,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:56,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 22:26:56,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-06-06 22:26:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:56,111 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:56,111 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:26:56,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:56,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:56,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:26:56,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:56,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:56,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:56,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:26:56,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:26:56,390 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:56,391 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:56,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:56,391 INFO L82 PathProgramCache]: Analyzing trace with hash -29280468, now seen corresponding path program 3 times [2021-06-06 22:26:56,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:56,391 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719025368] [2021-06-06 22:26:56,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:56,494 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:56,494 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:56,494 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719025368] [2021-06-06 22:26:56,495 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719025368] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:56,495 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359443197] [2021-06-06 22:26:56,495 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 [2021-06-06 22:26:56,535 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 22:26:56,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:26:56,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 22:26:56,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:56,667 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-06-06 22:26:56,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 12 [2021-06-06 22:26:56,670 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:56,671 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:56,672 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:26:56,672 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:3 [2021-06-06 22:26:56,687 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:56,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359443197] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:56,688 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:26:56,688 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-06 22:26:56,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595606859] [2021-06-06 22:26:56,688 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 22:26:56,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:56,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 22:26:56,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-06-06 22:26:56,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:56,689 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:56,689 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 11 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:26:56,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:56,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:56,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:26:56,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:26:56,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:56,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:56,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:56,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:26:56,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:26:56,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:57,027 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:57,027 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:57,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:57,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1149196782, now seen corresponding path program 4 times [2021-06-06 22:26:57,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:57,028 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84831313] [2021-06-06 22:26:57,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:57,076 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:57,077 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:57,077 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84831313] [2021-06-06 22:26:57,077 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84831313] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:57,077 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272923272] [2021-06-06 22:26:57,077 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 [2021-06-06 22:26:57,131 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 22:26:57,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:26:57,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-06 22:26:57,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:57,209 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:57,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272923272] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:57,209 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:26:57,209 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 8 [2021-06-06 22:26:57,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668305264] [2021-06-06 22:26:57,210 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 22:26:57,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:57,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 22:26:57,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-06-06 22:26:57,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:57,210 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:57,210 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 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) [2021-06-06 22:26:57,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:57,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:57,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:26:57,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:26:57,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:57,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:57,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:57,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:57,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:26:57,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:26:57,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:57,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:57,473 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:57,473 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:57,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:57,474 INFO L82 PathProgramCache]: Analyzing trace with hash 334586172, now seen corresponding path program 5 times [2021-06-06 22:26:57,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:57,474 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528342127] [2021-06-06 22:26:57,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:57,596 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:57,596 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:57,596 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528342127] [2021-06-06 22:26:57,597 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528342127] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:57,597 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001711292] [2021-06-06 22:26:57,597 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 [2021-06-06 22:26:57,631 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-06 22:26:57,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:26:57,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 22:26:57,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:57,804 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-06-06 22:26:57,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 16 [2021-06-06 22:26:57,806 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:57,807 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:57,807 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:26:57,808 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:36, output treesize:3 [2021-06-06 22:26:57,826 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:57,826 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001711292] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:57,826 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:26:57,826 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-06-06 22:26:57,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950244503] [2021-06-06 22:26:57,827 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-06 22:26:57,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:57,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-06 22:26:57,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2021-06-06 22:26:57,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:57,827 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:57,827 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 4.1875) internal successors, (67), 15 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:26:57,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:57,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:57,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:26:57,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:26:57,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:57,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:57,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:58,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:58,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:58,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:26:58,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:26:58,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:58,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:58,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:26:58,256 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:58,257 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:58,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:58,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1362280450, now seen corresponding path program 6 times [2021-06-06 22:26:58,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:58,257 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624944052] [2021-06-06 22:26:58,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:58,318 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:58,324 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:58,324 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624944052] [2021-06-06 22:26:58,325 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624944052] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:58,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873991626] [2021-06-06 22:26:58,325 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 [2021-06-06 22:26:58,355 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-06 22:26:58,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:26:58,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-06 22:26:58,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:58,414 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:26:58,415 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873991626] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:58,415 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:26:58,415 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 10 [2021-06-06 22:26:58,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31049710] [2021-06-06 22:26:58,415 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 22:26:58,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:58,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 22:26:58,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2021-06-06 22:26:58,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:58,416 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:58,416 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 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) [2021-06-06 22:26:58,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:58,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:58,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:26:58,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:26:58,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:58,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:58,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:26:58,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:58,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:58,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:58,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:26:58,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:26:58,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:58,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:58,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:26:58,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:26:58,680 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-06 22:26:58,681 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:58,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:58,681 INFO L82 PathProgramCache]: Analyzing trace with hash 765565296, now seen corresponding path program 7 times [2021-06-06 22:26:58,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:58,681 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266662587] [2021-06-06 22:26:58,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:58,810 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:58,810 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:58,810 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266662587] [2021-06-06 22:26:58,810 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266662587] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:58,810 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270462387] [2021-06-06 22:26:58,810 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 [2021-06-06 22:26:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:58,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-06 22:26:58,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:59,095 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-06-06 22:26:59,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 20 [2021-06-06 22:26:59,098 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:26:59,099 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:26:59,099 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:26:59,099 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:48, output treesize:3 [2021-06-06 22:26:59,130 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:59,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270462387] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:59,130 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:26:59,131 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2021-06-06 22:26:59,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748422309] [2021-06-06 22:26:59,131 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 22:26:59,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:59,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 22:26:59,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-06-06 22:26:59,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:59,132 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:59,132 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.85) internal successors, (77), 19 states have internal predecessors, (77), 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) [2021-06-06 22:26:59,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:59,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:59,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:26:59,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:26:59,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:59,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:59,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:26:59,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:26:59,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:59,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:59,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:59,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:26:59,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:26:59,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:59,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:59,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:26:59,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:26:59,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:59,738 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:26:59,738 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:26:59,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:26:59,738 INFO L82 PathProgramCache]: Analyzing trace with hash 491797298, now seen corresponding path program 8 times [2021-06-06 22:26:59,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:26:59,738 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652674145] [2021-06-06 22:26:59,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:26:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:26:59,821 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 24 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:26:59,821 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:26:59,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652674145] [2021-06-06 22:26:59,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652674145] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:59,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671530792] [2021-06-06 22:26:59,821 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 [2021-06-06 22:26:59,858 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 22:26:59,858 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:26:59,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-06 22:26:59,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:26:59,934 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:26:59,935 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671530792] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:26:59,935 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:26:59,935 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6] total 12 [2021-06-06 22:26:59,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269077407] [2021-06-06 22:26:59,935 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 22:26:59,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:26:59,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 22:26:59,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2021-06-06 22:26:59,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:59,936 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:26:59,936 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 12 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:26:59,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:59,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:59,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:26:59,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:26:59,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:59,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:59,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:26:59,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:26:59,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:59,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:26:59,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:26:59,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:26:59,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:26:59,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:26:59,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:26:59,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:26:59,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:26:59,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:26:59,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:26:59,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:00,214 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:27:00,215 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:27:00,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:27:00,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1691613440, now seen corresponding path program 9 times [2021-06-06 22:27:00,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:27:00,215 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625690173] [2021-06-06 22:27:00,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:27:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:27:00,426 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:27:00,426 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:27:00,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625690173] [2021-06-06 22:27:00,426 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625690173] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:00,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235972733] [2021-06-06 22:27:00,426 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 [2021-06-06 22:27:00,466 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-06 22:27:00,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:27:00,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 35 conjunts are in the unsatisfiable core [2021-06-06 22:27:00,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:27:00,784 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-06 22:27:00,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 64 treesize of output 24 [2021-06-06 22:27:00,787 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:27:00,788 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:00,788 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:27:00,788 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:64, output treesize:3 [2021-06-06 22:27:00,811 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:27:00,811 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235972733] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:00,811 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:27:00,811 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2021-06-06 22:27:00,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381136543] [2021-06-06 22:27:00,812 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-06 22:27:00,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:27:00,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-06 22:27:00,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2021-06-06 22:27:00,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:00,812 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:27:00,813 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 3.625) internal successors, (87), 23 states have internal predecessors, (87), 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) [2021-06-06 22:27:00,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:00,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:00,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:27:00,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:27:00,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:00,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:00,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:00,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:00,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:00,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:00,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:01,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:01,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:27:01,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:27:01,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:01,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:01,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:01,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:01,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:01,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:01,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:27:01,551 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-06-06 22:27:01,552 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:27:01,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:27:01,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1365833410, now seen corresponding path program 10 times [2021-06-06 22:27:01,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:27:01,552 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069352650] [2021-06-06 22:27:01,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:27:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:27:01,624 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 34 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:27:01,624 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:27:01,624 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069352650] [2021-06-06 22:27:01,624 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069352650] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:01,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577976653] [2021-06-06 22:27:01,625 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:27:01,671 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 22:27:01,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:27:01,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 22:27:01,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:27:01,732 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 33 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:27:01,732 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577976653] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:01,733 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:27:01,733 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7] total 14 [2021-06-06 22:27:01,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173402066] [2021-06-06 22:27:01,733 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 22:27:01,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:27:01,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 22:27:01,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2021-06-06 22:27:01,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:01,734 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:27:01,734 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 4.466666666666667) internal successors, (67), 14 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:27:01,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:01,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:01,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:27:01,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:27:01,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:01,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:01,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:01,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:01,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:01,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:01,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:27:01,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:01,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:01,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:01,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:27:01,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:27:01,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:01,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:01,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:01,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:01,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:01,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:01,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:27:01,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:27:02,020 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:27:02,021 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:27:02,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:27:02,021 INFO L82 PathProgramCache]: Analyzing trace with hash 658090420, now seen corresponding path program 11 times [2021-06-06 22:27:02,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:27:02,021 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46985130] [2021-06-06 22:27:02,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:27:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:27:02,238 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:27:02,239 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:27:02,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46985130] [2021-06-06 22:27:02,239 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46985130] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:02,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457585456] [2021-06-06 22:27:02,239 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:27:02,273 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-06 22:27:02,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:27:02,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-06 22:27:02,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:27:02,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:02,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:03,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:03,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:03,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:03,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:03,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:03,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:03,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:03,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:03,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:03,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:03,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:03,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:03,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:03,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:03,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:03,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:03,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:03,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:03,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:03,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:03,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:03,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:03,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:03,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:03,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:03,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:03,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:27:03,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 15 disjoint index pairs (out of 55 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 28 [2021-06-06 22:27:03,022 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:27:03,026 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:03,029 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:27:03,029 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:83, output treesize:3 [2021-06-06 22:27:03,072 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:27:03,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457585456] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:03,073 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:27:03,073 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2021-06-06 22:27:03,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950043642] [2021-06-06 22:27:03,073 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-06 22:27:03,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:27:03,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-06 22:27:03,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=694, Unknown=0, NotChecked=0, Total=756 [2021-06-06 22:27:03,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:03,074 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:27:03,074 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.4642857142857144) internal successors, (97), 27 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:27:03,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:03,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:03,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:27:03,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:27:03,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:03,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:03,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:03,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:03,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:03,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:03,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:27:03,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:27:03,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:12,205 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-06-06 22:27:12,512 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-06-06 22:27:12,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:12,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:12,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:27:12,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:27:12,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:12,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:12,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:12,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:12,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:12,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:12,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:27:12,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:27:12,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 22:27:13,152 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-06 22:27:13,153 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:27:13,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:27:13,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1192714556, now seen corresponding path program 12 times [2021-06-06 22:27:13,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:27:13,153 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075304191] [2021-06-06 22:27:13,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:27:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:27:13,389 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:27:13,389 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:27:13,389 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075304191] [2021-06-06 22:27:13,389 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075304191] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:13,389 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024663103] [2021-06-06 22:27:13,389 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:27:13,429 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-06 22:27:13,429 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:27:13,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-06 22:27:13,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:27:14,040 INFO L354 Elim1Store]: treesize reduction 252, result has 0.4 percent of original size [2021-06-06 22:27:14,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 88 treesize of output 32 [2021-06-06 22:27:14,042 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:27:14,043 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:14,043 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:27:14,043 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:88, output treesize:3 [2021-06-06 22:27:14,074 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:27:14,074 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024663103] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:14,074 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:27:14,074 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 31 [2021-06-06 22:27:14,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287027938] [2021-06-06 22:27:14,074 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-06 22:27:14,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:27:14,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-06 22:27:14,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=904, Unknown=0, NotChecked=0, Total=992 [2021-06-06 22:27:14,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:14,075 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:27:14,075 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 3.34375) internal successors, (107), 31 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:27:14,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:14,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:14,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:27:14,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:27:14,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:14,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:14,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:14,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:14,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:14,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:14,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:27:14,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:27:14,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 22:27:14,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:15,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:15,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:27:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:27:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:27:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:27:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 22:27:15,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:15,348 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:27:15,349 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:27:15,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:27:15,349 INFO L82 PathProgramCache]: Analyzing trace with hash -219464826, now seen corresponding path program 13 times [2021-06-06 22:27:15,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:27:15,349 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635302701] [2021-06-06 22:27:15,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:27:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:27:15,481 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 60 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:27:15,482 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:27:15,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635302701] [2021-06-06 22:27:15,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635302701] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:15,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44014144] [2021-06-06 22:27:15,482 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:27:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:27:15,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 22:27:15,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:27:15,592 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 59 proven. 74 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:27:15,592 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44014144] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:15,592 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:27:15,592 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9] total 18 [2021-06-06 22:27:15,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10993166] [2021-06-06 22:27:15,593 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-06 22:27:15,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:27:15,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-06 22:27:15,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2021-06-06 22:27:15,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:15,593 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:27:15,593 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 4.2631578947368425) internal successors, (81), 18 states have internal predecessors, (81), 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) [2021-06-06 22:27:15,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:15,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:15,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:27:15,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:27:15,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:15,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:15,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:15,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:15,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:15,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:15,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:27:15,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:27:15,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 22:27:15,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:15,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:27:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:27:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:27:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:27:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 22:27:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:27:15,924 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-06 22:27:15,925 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:27:15,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:27:15,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1992923144, now seen corresponding path program 14 times [2021-06-06 22:27:15,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:27:15,925 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472336149] [2021-06-06 22:27:15,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:27:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:27:16,261 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:27:16,261 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:27:16,261 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472336149] [2021-06-06 22:27:16,261 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472336149] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:16,261 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885376452] [2021-06-06 22:27:16,261 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:27:16,301 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 22:27:16,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:27:16,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 53 conjunts are in the unsatisfiable core [2021-06-06 22:27:16,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:27:17,079 INFO L354 Elim1Store]: treesize reduction 336, result has 0.3 percent of original size [2021-06-06 22:27:17,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 100 treesize of output 36 [2021-06-06 22:27:17,081 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:27:17,082 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:17,083 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:27:17,083 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:100, output treesize:3 [2021-06-06 22:27:17,118 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:27:17,118 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885376452] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:17,118 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:27:17,118 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 35 [2021-06-06 22:27:17,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948810700] [2021-06-06 22:27:17,119 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-06 22:27:17,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:27:17,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-06 22:27:17,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1160, Unknown=0, NotChecked=0, Total=1260 [2021-06-06 22:27:17,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:17,120 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:27:17,120 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 3.25) internal successors, (117), 35 states have internal predecessors, (117), 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) [2021-06-06 22:27:17,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:17,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:17,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:27:17,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:27:17,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:17,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:17,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:17,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:17,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:17,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:17,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:27:17,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:27:17,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 22:27:17,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:17,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:27:17,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:27:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:27:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:27:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:27:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 22:27:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:27:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 22:27:18,691 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-06 22:27:18,691 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:27:18,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:27:18,692 INFO L82 PathProgramCache]: Analyzing trace with hash -420771910, now seen corresponding path program 15 times [2021-06-06 22:27:18,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:27:18,692 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602993673] [2021-06-06 22:27:18,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:27:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:27:18,835 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 76 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:27:18,835 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:27:18,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602993673] [2021-06-06 22:27:18,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602993673] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:18,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191800652] [2021-06-06 22:27:18,836 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:27:18,873 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-06-06 22:27:18,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:27:18,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-06 22:27:18,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:27:18,956 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 75 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:27:18,956 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191800652] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:18,956 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:27:18,956 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 10] total 20 [2021-06-06 22:27:18,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605795229] [2021-06-06 22:27:18,957 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 22:27:18,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:27:18,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 22:27:18,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2021-06-06 22:27:18,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:18,957 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:27:18,957 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 4.190476190476191) internal successors, (88), 20 states have internal predecessors, (88), 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) [2021-06-06 22:27:18,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:18,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:18,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:27:18,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:27:18,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:18,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:18,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:18,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:18,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:18,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:18,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:27:18,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:27:18,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 22:27:18,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:18,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:27:18,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 22:27:18,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:19,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:27:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:27:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:27:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:27:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 22:27:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:27:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 22:27:19,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:27:19,309 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-06 22:27:19,309 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:27:19,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:27:19,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1598313096, now seen corresponding path program 16 times [2021-06-06 22:27:19,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:27:19,309 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367240667] [2021-06-06 22:27:19,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:27:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:27:19,679 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:27:19,680 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:27:19,680 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367240667] [2021-06-06 22:27:19,680 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367240667] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:19,680 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125473008] [2021-06-06 22:27:19,680 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:27:19,725 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 22:27:19,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:27:19,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 57 conjunts are in the unsatisfiable core [2021-06-06 22:27:19,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:27:20,733 INFO L354 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2021-06-06 22:27:20,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 108 treesize of output 40 [2021-06-06 22:27:20,735 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:27:20,736 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:20,737 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:27:20,737 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:108, output treesize:3 [2021-06-06 22:27:20,787 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:27:20,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125473008] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:20,787 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:27:20,787 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 39 [2021-06-06 22:27:20,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434455624] [2021-06-06 22:27:20,787 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-06 22:27:20,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:27:20,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-06 22:27:20,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1448, Unknown=0, NotChecked=0, Total=1560 [2021-06-06 22:27:20,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:20,788 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:27:20,789 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 3.175) internal successors, (127), 39 states have internal predecessors, (127), 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) [2021-06-06 22:27:20,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:20,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:20,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:27:20,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:27:20,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:20,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:20,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:20,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:20,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:20,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:20,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:27:20,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:27:20,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 22:27:20,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:20,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:27:20,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 22:27:20,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:27:20,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:22,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:22,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:22,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:27:22,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:27:22,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:22,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:22,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:22,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:22,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:22,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:22,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:27:22,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:27:22,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 22:27:22,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:22,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:27:22,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 22:27:22,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:27:22,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 22:27:22,822 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-06 22:27:22,823 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:27:22,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:27:22,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1898516042, now seen corresponding path program 17 times [2021-06-06 22:27:22,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:27:22,823 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820462428] [2021-06-06 22:27:22,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:27:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:27:23,025 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 94 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:27:23,025 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:27:23,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820462428] [2021-06-06 22:27:23,025 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820462428] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:23,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368983357] [2021-06-06 22:27:23,025 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:27:23,071 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-06-06 22:27:23,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:27:23,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-06 22:27:23,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:27:23,169 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 93 proven. 123 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:27:23,169 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368983357] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:23,169 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:27:23,169 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 11] total 22 [2021-06-06 22:27:23,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649223954] [2021-06-06 22:27:23,169 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 22:27:23,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:27:23,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 22:27:23,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=308, Unknown=0, NotChecked=0, Total=506 [2021-06-06 22:27:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:23,170 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:27:23,170 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 4.130434782608695) internal successors, (95), 22 states have internal predecessors, (95), 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) [2021-06-06 22:27:23,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:23,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:23,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:27:23,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:27:23,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:23,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:23,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:23,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:23,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:23,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:23,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:27:23,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:27:23,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-06 22:27:23,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:23,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:27:23,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 22:27:23,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:27:23,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 22:27:23,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:27:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:27:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:27:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 22:27:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 22:27:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 22:27:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:27:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 22:27:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 22:27:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:27:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:27:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:27:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 22:27:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 22:27:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 22:27:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:27:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 22:27:23,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:27:23,539 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:27:23,539 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:27:23,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:27:23,539 INFO L82 PathProgramCache]: Analyzing trace with hash -2109418436, now seen corresponding path program 18 times [2021-06-06 22:27:23,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:27:23,540 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83410849] [2021-06-06 22:27:23,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:27:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:27:23,955 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:27:23,955 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:27:23,955 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83410849] [2021-06-06 22:27:23,955 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83410849] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:27:23,955 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074134345] [2021-06-06 22:27:23,955 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:27:23,996 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-06-06 22:27:23,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:27:23,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 64 conjunts are in the unsatisfiable core [2021-06-06 22:27:23,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:27:25,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:27:25,719 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2021-06-06 22:27:25,719 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:27:25,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 87 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 49 case distinctions, treesize of input 122 treesize of output 612 [2021-06-06 22:27:26,659 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 339 [2021-06-06 22:27:26,884 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 450 [2021-06-06 22:27:27,105 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 450 [2021-06-06 22:27:27,402 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 456 [2021-06-06 22:27:27,740 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 486 [2021-06-06 22:27:28,154 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 533 [2021-06-06 22:27:28,413 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 417 [2021-06-06 22:27:29,113 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 447 [2021-06-06 22:27:29,498 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 556 [2021-06-06 22:27:30,204 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 737 DAG size of output: 722 [2021-06-06 22:27:31,368 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 886 DAG size of output: 884 [2021-06-06 22:27:32,531 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 886 DAG size of output: 884 [2021-06-06 22:27:34,056 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 888 DAG size of output: 862 [2021-06-06 22:27:36,610 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 864 DAG size of output: 1025 [2021-06-06 22:27:38,791 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 776 DAG size of output: 1065 [2021-06-06 22:27:39,631 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 343 [2021-06-06 22:27:40,341 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 463 [2021-06-06 22:27:40,860 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 346 [2021-06-06 22:27:41,592 WARN L205 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 593 [2021-06-06 22:27:43,580 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 1106 DAG size of output: 1078 [2021-06-06 22:27:47,562 WARN L205 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 1471 DAG size of output: 1470 [2021-06-06 22:27:51,582 WARN L205 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 1471 DAG size of output: 1470 [2021-06-06 22:27:56,323 WARN L205 SmtUtils]: Spent 4.73 s on a formula simplification. DAG size of input: 1477 DAG size of output: 1439 [2021-06-06 22:28:00,850 WARN L205 SmtUtils]: Spent 4.52 s on a formula simplification. DAG size of input: 1441 DAG size of output: 1525 [2021-06-06 22:28:08,126 WARN L205 SmtUtils]: Spent 7.26 s on a formula simplification. DAG size of input: 1381 DAG size of output: 2163 [2021-06-06 22:28:11,496 WARN L205 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 1108 DAG size of output: 1213 [2021-06-06 22:28:14,585 WARN L205 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 1025 DAG size of output: 1303 [2021-06-06 22:28:14,931 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 848 DAG size of output: 848 [2021-06-06 22:28:15,478 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 620 [2021-06-06 22:28:16,182 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 579 [2021-06-06 22:28:16,776 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 267 [2021-06-06 22:28:17,202 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 307 [2021-06-06 22:28:17,883 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 537 [2021-06-06 22:28:19,313 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1024 DAG size of output: 998 [2021-06-06 22:28:23,337 WARN L205 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 1557 DAG size of output: 1560 [2021-06-06 22:28:30,915 WARN L205 SmtUtils]: Spent 7.57 s on a formula simplification. DAG size of input: 1896 DAG size of output: 1951 [2021-06-06 22:28:44,335 WARN L205 SmtUtils]: Spent 13.41 s on a formula simplification. DAG size of input: 2950 DAG size of output: 2954 [2021-06-06 22:29:05,515 WARN L205 SmtUtils]: Spent 21.17 s on a formula simplification. DAG size of input: 3340 DAG size of output: 3578 [2021-06-06 22:29:26,730 WARN L205 SmtUtils]: Spent 21.20 s on a formula simplification. DAG size of input: 3340 DAG size of output: 3578 [2021-06-06 22:29:50,025 WARN L205 SmtUtils]: Spent 23.26 s on a formula simplification. DAG size of input: 3359 DAG size of output: 3597 [2021-06-06 22:30:20,693 WARN L205 SmtUtils]: Spent 30.64 s on a formula simplification. DAG size of input: 3599 DAG size of output: 5824 [2021-06-06 22:30:24,712 WARN L205 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 3592 DAG size of output: 3593 [2021-06-06 22:30:33,273 WARN L205 SmtUtils]: Spent 8.55 s on a formula simplification. DAG size of input: 1374 DAG size of output: 2279 [2021-06-06 22:30:33,749 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 1170 DAG size of output: 1171 [2021-06-06 22:30:36,066 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 823 DAG size of output: 1201 [2021-06-06 22:30:37,105 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 630 DAG size of output: 712 [2021-06-06 22:30:37,257 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 551 [2021-06-06 22:30:38,671 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 542 [2021-06-06 22:30:39,121 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 737 DAG size of output: 737 [2021-06-06 22:30:40,201 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 587 DAG size of output: 588 [2021-06-06 22:30:41,141 WARN L205 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 1005 DAG size of output: 1005 [2021-06-06 22:30:41,290 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 199 [2021-06-06 22:30:41,854 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 468 [2021-06-06 22:30:42,273 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 547 [2021-06-06 22:30:43,080 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 630 [2021-06-06 22:30:44,881 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1356 DAG size of output: 1357 [2021-06-06 22:30:45,003 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 579 [2021-06-06 22:30:45,440 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 528 [2021-06-06 22:30:46,773 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 542 [2021-06-06 22:30:46,885 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 257 [2021-06-06 22:30:47,456 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 477 [2021-06-06 22:30:48,142 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 887 DAG size of output: 880 [2021-06-06 22:30:48,865 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 461 [2021-06-06 22:30:49,777 WARN L205 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 1068 DAG size of output: 1048 [2021-06-06 22:30:50,633 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 378 [2021-06-06 22:30:50,897 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 517 [2021-06-06 22:30:52,424 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1304 DAG size of output: 1241 [2021-06-06 22:30:56,232 WARN L205 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 1716 DAG size of output: 1648 [2021-06-06 22:31:02,309 WARN L205 SmtUtils]: Spent 6.07 s on a formula simplification. DAG size of input: 2357 DAG size of output: 2289 [2021-06-06 22:31:03,846 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 673 DAG size of output: 943 [2021-06-06 22:31:03,956 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 513 [2021-06-06 22:31:04,463 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 396 [2021-06-06 22:31:05,069 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 515 [2021-06-06 22:31:05,658 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 470 [2021-06-06 22:31:06,600 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 497 [2021-06-06 22:31:06,922 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 637 DAG size of output: 641 [2021-06-06 22:31:07,539 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 880 DAG size of output: 886 [2021-06-06 22:31:08,746 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1142 DAG size of output: 1145 [2021-06-06 22:31:10,965 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 1623 DAG size of output: 1617 [2021-06-06 22:31:20,840 WARN L205 SmtUtils]: Spent 9.87 s on a formula simplification. DAG size of input: 3300 DAG size of output: 3230 [2021-06-06 22:31:37,462 WARN L205 SmtUtils]: Spent 16.60 s on a formula simplification. DAG size of input: 4464 DAG size of output: 4383 [2021-06-06 22:31:39,761 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 2963 DAG size of output: 2963 [2021-06-06 22:31:44,679 WARN L205 SmtUtils]: Spent 4.91 s on a formula simplification. DAG size of input: 1288 DAG size of output: 1455 [2021-06-06 22:31:45,272 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 1202 DAG size of output: 1202 [2021-06-06 22:31:45,497 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 657 [2021-06-06 22:31:45,779 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 426 [2021-06-06 22:31:45,929 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 320 [2021-06-06 22:31:46,414 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 353 [2021-06-06 22:31:46,657 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 541 [2021-06-06 22:31:47,136 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 725 DAG size of output: 711 [2021-06-06 22:31:48,207 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 430 [2021-06-06 22:31:48,922 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 411 [2021-06-06 22:31:49,168 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 504 [2021-06-06 22:31:49,912 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 798 DAG size of output: 818 [2021-06-06 22:31:50,207 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 362 [2021-06-06 22:31:50,755 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 487 DAG size of output: 482 [2021-06-06 22:31:51,966 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 429 [2021-06-06 22:31:52,568 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 886 DAG size of output: 884 [2021-06-06 22:31:53,529 WARN L205 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 1069 DAG size of output: 1066 [2021-06-06 22:31:56,310 WARN L205 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 1845 DAG size of output: 1846 [2021-06-06 22:31:57,577 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 504 DAG size of output: 690 [2021-06-06 22:31:58,511 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 531 [2021-06-06 22:31:58,642 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2021-06-06 22:31:59,066 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 363 [2021-06-06 22:31:59,698 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 376 [2021-06-06 22:32:00,364 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 689 [2021-06-06 22:32:01,934 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1071 DAG size of output: 1056 [2021-06-06 22:32:03,580 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 642 DAG size of output: 1004 [2021-06-06 22:32:03,720 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 544 [2021-06-06 22:32:03,881 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 308 [2021-06-06 22:32:04,395 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 464 DAG size of output: 459 [2021-06-06 22:32:05,374 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 601 [2021-06-06 22:32:06,162 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 544 [2021-06-06 22:32:07,267 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 592 [2021-06-06 22:32:07,918 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 783 DAG size of output: 803 [2021-06-06 22:32:09,425 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1261 DAG size of output: 1273 [2021-06-06 22:32:12,261 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 1751 DAG size of output: 1753 [2021-06-06 22:32:20,912 WARN L205 SmtUtils]: Spent 8.64 s on a formula simplification. DAG size of input: 3428 DAG size of output: 3459 [2021-06-06 22:32:35,415 WARN L205 SmtUtils]: Spent 14.48 s on a formula simplification. DAG size of input: 4455 DAG size of output: 4391 [2021-06-06 22:32:50,520 WARN L205 SmtUtils]: Spent 15.08 s on a formula simplification. DAG size of input: 1962 DAG size of output: 3316 [2021-06-06 22:32:55,936 WARN L205 SmtUtils]: Spent 5.40 s on a formula simplification. DAG size of input: 1649 DAG size of output: 1992 [2021-06-06 22:32:56,222 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 1431 [2021-06-06 22:32:56,415 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 793 DAG size of output: 793 [2021-06-06 22:32:56,568 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 305 [2021-06-06 22:32:57,037 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 507 DAG size of output: 506 [2021-06-06 22:32:57,141 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 307 [2021-06-06 22:32:57,589 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 478 [2021-06-06 22:32:57,769 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 365 [2021-06-06 22:32:58,350 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 504 [2021-06-06 22:32:59,102 WARN L205 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 996 DAG size of output: 990 [2021-06-06 22:32:59,611 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 462 [2021-06-06 22:33:00,570 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 540 [2021-06-06 22:33:01,351 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 542 [2021-06-06 22:33:02,313 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 933 DAG size of output: 937 [2021-06-06 22:33:03,396 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1145 DAG size of output: 1149 [2021-06-06 22:33:05,631 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 1725 DAG size of output: 1722 [2021-06-06 22:33:05,809 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 1102 [2021-06-06 22:33:07,948 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 805 DAG size of output: 804 [2021-06-06 22:33:08,920 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 900 DAG size of output: 898 [2021-06-06 22:33:09,826 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 446 [2021-06-06 22:33:10,658 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 508 [2021-06-06 22:33:10,883 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 514 [2021-06-06 22:33:11,582 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 971 [2021-06-06 22:33:13,685 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1453 DAG size of output: 1472 [2021-06-06 22:33:13,863 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 736 DAG size of output: 736 [2021-06-06 22:33:13,982 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 291 [2021-06-06 22:33:14,565 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 524 [2021-06-06 22:33:15,015 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 458 [2021-06-06 22:33:15,635 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 589 [2021-06-06 22:33:16,005 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 479 [2021-06-06 22:33:16,706 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 659 DAG size of output: 659 [2021-06-06 22:33:17,571 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 405 [2021-06-06 22:33:18,997 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1480 DAG size of output: 1471 [2021-06-06 22:33:23,329 WARN L205 SmtUtils]: Spent 4.32 s on a formula simplification. DAG size of input: 2336 DAG size of output: 2336 [2021-06-06 22:33:31,656 WARN L205 SmtUtils]: Spent 8.31 s on a formula simplification. DAG size of input: 3168 DAG size of output: 3195 [2021-06-06 22:33:31,790 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 860 [2021-06-06 22:33:32,528 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 460 [2021-06-06 22:33:33,496 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 794 DAG size of output: 710 [2021-06-06 22:33:34,714 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 606 [2021-06-06 22:33:35,613 WARN L205 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 1101 DAG size of output: 1020 [2021-06-06 22:33:37,209 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 439 [2021-06-06 22:33:37,905 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 658 DAG size of output: 608 [2021-06-06 22:33:39,959 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 812 DAG size of output: 769 [2021-06-06 22:33:41,379 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1203 DAG size of output: 1111 [2021-06-06 22:33:44,343 WARN L205 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 1789 DAG size of output: 1643 [2021-06-06 22:33:56,570 WARN L205 SmtUtils]: Spent 12.22 s on a formula simplification. DAG size of input: 3925 DAG size of output: 3781 [2021-06-06 22:34:20,601 WARN L205 SmtUtils]: Spent 24.01 s on a formula simplification. DAG size of input: 5611 DAG size of output: 5477 [2021-06-06 22:35:05,008 WARN L205 SmtUtils]: Spent 44.37 s on a formula simplification. DAG size of input: 9420 DAG size of output: 9222 [2021-06-06 22:36:19,169 WARN L205 SmtUtils]: Spent 1.24 m on a formula simplification. DAG size of input: 12131 DAG size of output: 11950 [2021-06-06 22:38:12,391 WARN L205 SmtUtils]: Spent 1.89 m on a formula simplification. DAG size of input: 15357 DAG size of output: 15272 [2021-06-06 22:40:05,953 WARN L205 SmtUtils]: Spent 1.89 m on a formula simplification. DAG size of input: 15357 DAG size of output: 15272 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown