/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 09:26:55,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 09:26:55,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 09:26:55,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 09:26:55,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 09:26:55,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 09:26:55,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 09:26:55,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 09:26:55,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 09:26:55,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 09:26:55,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 09:26:55,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 09:26:55,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 09:26:55,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 09:26:55,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 09:26:55,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 09:26:55,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 09:26:55,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 09:26:55,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 09:26:55,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 09:26:55,177 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.epf [2021-06-06 09:26:55,203 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 09:26:55,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 09:26:55,204 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 09:26:55,204 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 09:26:55,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 09:26:55,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 09:26:55,206 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 09:26:55,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 09:26:55,206 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 09:26:55,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 09:26:55,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 09:26:55,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 09:26:55,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 09:26:55,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 09:26:55,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 09:26:55,208 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 09:26:55,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 09:26:55,208 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 09:26:55,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 09:26:55,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 09:26:55,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 09:26:55,208 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 09:26:55,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 09:26:55,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 09:26:55,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 09:26:55,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 09:26:55,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 09:26:55,210 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 09:26:55,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 09:26:55,210 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 09:26:55,211 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 09:26:55,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 09:26:55,211 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 09:26:55,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 09:26:55,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 09:26:55,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 09:26:55,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 09:26:55,467 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 09:26:55,468 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 09:26:55,469 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl [2021-06-06 09:26:55,469 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl' [2021-06-06 09:26:55,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 09:26:55,496 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 09:26:55,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 09:26:55,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 09:26:55,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 09:26:55,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:26:55" (1/1) ... [2021-06-06 09:26:55,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:26:55" (1/1) ... [2021-06-06 09:26:55,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 09:26:55,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 09:26:55,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 09:26:55,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 09:26:55,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:26:55" (1/1) ... [2021-06-06 09:26:55,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:26:55" (1/1) ... [2021-06-06 09:26:55,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:26:55" (1/1) ... [2021-06-06 09:26:55,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:26:55" (1/1) ... [2021-06-06 09:26:55,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:26:55" (1/1) ... [2021-06-06 09:26:55,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:26:55" (1/1) ... [2021-06-06 09:26:55,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:26:55" (1/1) ... [2021-06-06 09:26:55,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 09:26:55,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 09:26:55,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 09:26:55,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 09:26:55,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:26:55" (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 09:26:55,596 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 09:26:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 09:26:55,596 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 09:26:55,596 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 09:26:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 09:26:55,596 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 09:26:55,596 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 09:26:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 09:26:55,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 09:26:55,598 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 09:26:55,760 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 09:26:55,760 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-06 09:26:55,761 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-06 09:26:55,761 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-06 09:26:55,762 INFO L202 PluginConnector]: Adding new model unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 09:26:55 BoogieIcfgContainer [2021-06-06 09:26:55,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 09:26:55,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 09:26:55,763 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 09:26:55,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 09:26:55,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:26:55" (1/2) ... [2021-06-06 09:26:55,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2486ae6 and model type unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 09:26:55, skipping insertion in model container [2021-06-06 09:26:55,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 09:26:55" (2/2) ... [2021-06-06 09:26:55,767 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.bpl [2021-06-06 09:26:55,771 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 09:26:55,771 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 09:26:55,771 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 09:26:55,771 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 09:26:55,823 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-06 09:26:55,844 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 09:26:55,873 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 09:26:55,873 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 09:26:55,873 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 09:26:55,873 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 09:26:55,873 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 09:26:55,873 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 09:26:55,873 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 09:26:55,873 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 09:26:55,889 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:26:55,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:26:55,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1034851945, now seen corresponding path program 1 times [2021-06-06 09:26:55,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:26:55,898 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952116612] [2021-06-06 09:26:55,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:26:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:26:56,017 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 09:26:56,018 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:26:56,018 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952116612] [2021-06-06 09:26:56,018 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952116612] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 09:26:56,018 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 09:26:56,018 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 09:26:56,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74152434] [2021-06-06 09:26:56,021 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 09:26:56,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:26:56,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 09:26:56,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 09:26:56,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:26:56,031 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:26:56,035 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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 09:26:56,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:26:56,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:26:56,059 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 09:26:56,059 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:26:56,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:26:56,060 INFO L82 PathProgramCache]: Analyzing trace with hash -619637623, now seen corresponding path program 1 times [2021-06-06 09:26:56,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:26:56,061 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617947928] [2021-06-06 09:26:56,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:26:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:26:56,110 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 09:26:56,110 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:26:56,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617947928] [2021-06-06 09:26:56,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617947928] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:26:56,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941848824] [2021-06-06 09:26:56,110 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 09:26:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:26:56,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-06 09:26:56,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:26:56,217 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 09:26:56,217 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941848824] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:26:56,217 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:26:56,218 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-06 09:26:56,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857828063] [2021-06-06 09:26:56,220 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 09:26:56,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:26:56,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 09:26:56,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-06 09:26:56,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:26:56,223 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:26:56,223 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:26:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:26:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:26:56,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:26:56,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:56,473 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:26:56,473 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:26:56,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:26:56,474 INFO L82 PathProgramCache]: Analyzing trace with hash -2005825454, now seen corresponding path program 1 times [2021-06-06 09:26:56,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:26:56,477 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145454674] [2021-06-06 09:26:56,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:26:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:26:56,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 09:26:56,521 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:26:56,521 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145454674] [2021-06-06 09:26:56,521 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145454674] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:26:56,522 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165693207] [2021-06-06 09:26:56,522 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) [2021-06-06 09:26:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:26:56,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-06 09:26:56,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:26:56,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 09:26:56,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165693207] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:26:56,599 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:26:56,599 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-06 09:26:56,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703070029] [2021-06-06 09:26:56,600 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 09:26:56,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:26:56,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 09:26:56,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 09:26:56,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:26:56,601 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:26:56,601 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:26:56,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:26:56,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:56,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:26:56,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:26:56,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:56,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:56,830 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:26:56,830 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:26:56,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:26:56,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1462566514, now seen corresponding path program 2 times [2021-06-06 09:26:56,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:26:56,831 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322658778] [2021-06-06 09:26:56,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:26:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:26:56,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 09:26:56,869 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:26:56,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322658778] [2021-06-06 09:26:56,870 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322658778] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:26:56,870 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520067066] [2021-06-06 09:26:56,870 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 09:26:56,894 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:26:56,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:26:56,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-06 09:26:56,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:26:56,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 09:26:56,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520067066] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:26:56,934 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:26:56,934 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-06-06 09:26:56,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457522407] [2021-06-06 09:26:56,935 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 09:26:56,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:26:56,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 09:26:56,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-06 09:26:56,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:26:56,935 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:26:56,935 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 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 09:26:56,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:26:56,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:56,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:56,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:26:56,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:26:56,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:56,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:56,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:26:57,168 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:26:57,169 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:26:57,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:26:57,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1608535122, now seen corresponding path program 3 times [2021-06-06 09:26:57,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:26:57,170 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979309930] [2021-06-06 09:26:57,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:26:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:26:57,203 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:26:57,203 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:26:57,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979309930] [2021-06-06 09:26:57,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979309930] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:26:57,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50521691] [2021-06-06 09:26:57,203 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 09:26:57,235 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 09:26:57,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:26:57,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 09:26:57,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:26:57,370 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:26:57,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-06-06 09:26:57,397 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:26:57,398 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:26:57,399 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:26:57,399 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-06-06 09:26:57,404 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:26:57,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50521691] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:26:57,404 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:26:57,404 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2021-06-06 09:26:57,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381745608] [2021-06-06 09:26:57,405 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 09:26:57,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:26:57,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 09:26:57,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-06 09:26:57,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:26:57,405 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:26:57,406 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:26:57,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:26:57,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:57,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:57,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:26:57,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:26:57,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:26:57,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:57,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:57,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:26:57,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:26:57,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:26:57,641 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:26:57,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:26:57,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1838594674, now seen corresponding path program 4 times [2021-06-06 09:26:57,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:26:57,642 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166316526] [2021-06-06 09:26:57,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:26:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:26:57,687 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:26:57,687 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:26:57,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166316526] [2021-06-06 09:26:57,688 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166316526] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:26:57,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355336697] [2021-06-06 09:26:57,688 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 09:26:57,712 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 09:26:57,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:26:57,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 09:26:57,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:26:57,775 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:26:57,775 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355336697] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:26:57,776 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:26:57,776 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-06 09:26:57,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696176195] [2021-06-06 09:26:57,776 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 09:26:57,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:26:57,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 09:26:57,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-06-06 09:26:57,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:26:57,777 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:26:57,777 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 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 09:26:57,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:26:57,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:57,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:57,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:26:57,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:26:57,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:26:57,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:26:57,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:57,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:57,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:26:57,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:26:57,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:26:58,068 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:26:58,069 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:26:58,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:26:58,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1184931721, now seen corresponding path program 5 times [2021-06-06 09:26:58,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:26:58,070 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208603111] [2021-06-06 09:26:58,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:26:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:26:58,130 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 09:26:58,131 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:26:58,131 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208603111] [2021-06-06 09:26:58,131 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208603111] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:26:58,131 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868498438] [2021-06-06 09:26:58,131 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 09:26:58,154 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-06 09:26:58,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:26:58,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 09:26:58,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:26:58,203 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 09:26:58,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868498438] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:26:58,204 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:26:58,204 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-06 09:26:58,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187092963] [2021-06-06 09:26:58,204 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 09:26:58,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:26:58,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 09:26:58,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-06 09:26:58,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:26:58,205 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:26:58,205 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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 09:26:58,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:26:58,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:58,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:58,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:26:58,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:26:58,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:26:58,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:26:58,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:26:58,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:58,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:58,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:26:58,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:26:58,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:26:58,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:26:58,501 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:26:58,501 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:26:58,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:26:58,502 INFO L82 PathProgramCache]: Analyzing trace with hash -2129828983, now seen corresponding path program 6 times [2021-06-06 09:26:58,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:26:58,502 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021143089] [2021-06-06 09:26:58,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:26:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:26:58,544 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:26:58,544 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:26:58,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021143089] [2021-06-06 09:26:58,544 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021143089] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:26:58,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000085717] [2021-06-06 09:26:58,544 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 09:26:58,569 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-06 09:26:58,569 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:26:58,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-06 09:26:58,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:26:58,737 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:26:58,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-06-06 09:26:59,095 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:26:59,097 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:26:59,097 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:26:59,097 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-06-06 09:26:59,103 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:26:59,104 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000085717] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:26:59,105 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:26:59,105 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 16 [2021-06-06 09:26:59,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330243712] [2021-06-06 09:26:59,105 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 09:26:59,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:26:59,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 09:26:59,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-06-06 09:26:59,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:26:59,108 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:26:59,108 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 16 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:26:59,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:26:59,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:59,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:59,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:26:59,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:26:59,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:26:59,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:26:59,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:26:59,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:26:59,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:59,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:59,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:26:59,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:26:59,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:26:59,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:26:59,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:26:59,372 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-06 09:26:59,373 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:26:59,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:26:59,373 INFO L82 PathProgramCache]: Analyzing trace with hash -749131895, now seen corresponding path program 7 times [2021-06-06 09:26:59,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:26:59,373 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890943352] [2021-06-06 09:26:59,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:26:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:26:59,474 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:26:59,474 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:26:59,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890943352] [2021-06-06 09:26:59,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890943352] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:26:59,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998051013] [2021-06-06 09:26:59,474 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 09:26:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:26:59,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 09:26:59,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:26:59,555 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:26:59,556 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998051013] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:26:59,556 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:26:59,556 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-06-06 09:26:59,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313924736] [2021-06-06 09:26:59,558 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 09:26:59,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:26:59,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 09:26:59,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2021-06-06 09:26:59,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:26:59,559 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:26:59,559 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 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 09:26:59,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:26:59,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:59,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:59,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:26:59,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:26:59,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:26:59,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:26:59,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:26:59,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:26:59,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:26:59,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:59,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:26:59,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:26:59,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:26:59,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:26:59,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:26:59,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:26:59,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:26:59,880 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:26:59,881 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:26:59,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:26:59,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1725180590, now seen corresponding path program 8 times [2021-06-06 09:26:59,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:26:59,881 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67684347] [2021-06-06 09:26:59,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:26:59,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:26:59,966 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-06 09:26:59,966 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:26:59,966 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67684347] [2021-06-06 09:26:59,966 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67684347] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:26:59,966 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088695008] [2021-06-06 09:26:59,966 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 09:26:59,991 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 09:26:59,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:26:59,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-06 09:26:59,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:27:00,065 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 09:27:00,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088695008] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:27:00,066 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:27:00,066 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2021-06-06 09:27:00,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859478343] [2021-06-06 09:27:00,066 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-06 09:27:00,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:27:00,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-06 09:27:00,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-06-06 09:27:00,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:27:00,067 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:27:00,067 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5625) internal successors, (25), 15 states have internal predecessors, (25), 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 09:27:00,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:27:00,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:27:00,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:27:00,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:27:00,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:27:00,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:27:00,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:27:00,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:27:00,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:27:00,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:27:00,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:27:00,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:27:00,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:27:00,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:27:00,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:27:00,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:27:00,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:27:00,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:27:00,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:27:00,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:27:00,418 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:27:00,418 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:27:00,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:27:00,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1876737230, now seen corresponding path program 9 times [2021-06-06 09:27:00,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:27:00,419 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946498815] [2021-06-06 09:27:00,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:27:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:27:00,498 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:27:00,498 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:27:00,498 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946498815] [2021-06-06 09:27:00,499 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946498815] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:27:00,499 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614737297] [2021-06-06 09:27:00,499 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 09:27:00,537 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-06 09:27:00,538 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:27:00,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-06 09:27:00,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:27:00,835 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-06 09:27:00,836 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:27:00,836 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 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-06-06 09:27:01,690 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 285 [2021-06-06 09:27:01,810 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 285 [2021-06-06 09:27:01,948 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 295 [2021-06-06 09:27:02,056 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 264 [2021-06-06 09:27:03,247 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 293 [2021-06-06 09:27:04,413 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 273 [2021-06-06 09:27:04,545 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 273 [2021-06-06 09:27:04,693 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 279 [2021-06-06 09:27:04,865 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 270 [2021-06-06 09:27:05,842 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 276 [2021-06-06 09:27:05,957 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 276 [2021-06-06 09:27:06,087 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 280 [2021-06-06 09:27:06,461 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:27:06,463 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:27:06,463 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:27:06,463 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-06-06 09:27:06,467 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:27:06,468 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614737297] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:27:06,468 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:27:06,468 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 23 [2021-06-06 09:27:06,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286442511] [2021-06-06 09:27:06,468 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-06 09:27:06,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:27:06,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-06 09:27:06,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2021-06-06 09:27:06,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:27:06,469 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:27:06,469 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 23 states have internal predecessors, (37), 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 09:27:06,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:27:06,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:27:06,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:27:06,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:27:06,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:27:06,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:27:06,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:27:06,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:27:06,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:27:06,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:27:06,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:27:06,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:27:06,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:27:06,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:27:06,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:27:06,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:27:06,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:27:06,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:27:06,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:27:06,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:27:06,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:27:06,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:27:06,759 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-06-06 09:27:06,759 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:27:06,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:27:06,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1384664402, now seen corresponding path program 10 times [2021-06-06 09:27:06,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:27:06,759 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017817085] [2021-06-06 09:27:06,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:27:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:27:06,913 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:27:06,914 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:27:06,914 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017817085] [2021-06-06 09:27:06,914 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017817085] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:27:06,914 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282351082] [2021-06-06 09:27:06,914 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 09:27:06,942 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 09:27:06,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:27:06,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 09:27:06,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:27:07,013 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 66 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:27:07,014 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282351082] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:27:07,014 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:27:07,014 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-06-06 09:27:07,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986407800] [2021-06-06 09:27:07,014 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-06 09:27:07,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:27:07,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-06 09:27:07,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-06-06 09:27:07,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:27:07,015 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:27:07,015 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:27:07,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:27:07,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:27:07,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:27:07,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:27:07,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:27:07,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:27:07,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:27:07,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:27:07,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:27:07,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:27:07,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:27:07,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:27:07,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:27:07,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:27:07,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:27:07,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:27:07,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:27:07,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:27:07,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:27:07,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:27:07,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:27:07,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:27:07,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:27:07,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:27:07,396 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable687,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:27:07,397 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:27:07,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:27:07,397 INFO L82 PathProgramCache]: Analyzing trace with hash -2004823, now seen corresponding path program 11 times [2021-06-06 09:27:07,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:27:07,397 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861176085] [2021-06-06 09:27:07,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:27:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:27:07,496 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:27:07,496 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:27:07,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861176085] [2021-06-06 09:27:07,496 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861176085] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:27:07,497 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338467017] [2021-06-06 09:27:07,497 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 09:27:07,537 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-06 09:27:07,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:27:07,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 39 conjunts are in the unsatisfiable core [2021-06-06 09:27:07,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:27:08,120 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-06 09:27:08,120 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:27:08,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-06-06 09:27:09,285 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 343 [2021-06-06 09:27:09,460 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 372 [2021-06-06 09:27:10,412 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 337 [2021-06-06 09:27:10,644 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 364 [2021-06-06 09:27:11,022 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 619 [2021-06-06 09:27:11,478 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 1043 DAG size of output: 624 [2021-06-06 09:27:12,565 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 527 [2021-06-06 09:27:13,346 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 314 [2021-06-06 09:27:13,688 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 945 DAG size of output: 745 [2021-06-06 09:27:14,163 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 969 DAG size of output: 769 [2021-06-06 09:27:14,970 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 322 [2021-06-06 09:27:16,108 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 534 [2021-06-06 09:27:16,473 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 752 [2021-06-06 09:27:16,915 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 980 DAG size of output: 778 [2021-06-06 09:27:17,860 WARN L205 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 1815 DAG size of output: 1411 [2021-06-06 09:27:19,014 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1825 DAG size of output: 1419 [2021-06-06 09:27:20,874 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 2733 DAG size of output: 1906 [2021-06-06 09:27:23,045 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 2763 DAG size of output: 1936 [2021-06-06 09:27:25,534 WARN L205 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 2790 DAG size of output: 1963 [2021-06-06 09:27:28,360 WARN L205 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 2801 DAG size of output: 1974 [2021-06-06 09:27:31,571 WARN L205 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 2827 DAG size of output: 1998 [2021-06-06 09:27:34,772 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 2827 DAG size of output: 1998 [2021-06-06 09:27:38,377 WARN L205 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 2840 DAG size of output: 2011 [2021-06-06 09:27:39,417 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 2013 DAG size of output: 2150 [2021-06-06 09:27:42,293 WARN L205 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 2008 DAG size of output: 2005 [2021-06-06 09:27:44,295 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 2002 DAG size of output: 2347 [2021-06-06 09:27:48,403 WARN L205 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 1999 DAG size of output: 2441 [2021-06-06 09:27:49,719 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1995 DAG size of output: 2001 [2021-06-06 09:27:52,583 WARN L205 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 1992 DAG size of output: 2011 [2021-06-06 09:27:52,859 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 1989 DAG size of output: 1989 [2021-06-06 09:27:52,991 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 1984 [2021-06-06 09:27:53,230 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 1962 DAG size of output: 1962 [2021-06-06 09:27:56,347 WARN L205 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 1953 DAG size of output: 2305 [2021-06-06 09:27:56,471 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 1076 [2021-06-06 09:27:56,596 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1053 DAG size of output: 1053 [2021-06-06 09:27:56,782 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1031 DAG size of output: 1031 [2021-06-06 09:27:58,640 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 1409 DAG size of output: 575 [2021-06-06 09:27:59,108 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 1420 DAG size of output: 584 [2021-06-06 09:28:00,046 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 1603 DAG size of output: 662 [2021-06-06 09:28:00,649 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 1620 DAG size of output: 679 [2021-06-06 09:28:01,370 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 1680 DAG size of output: 746 [2021-06-06 09:28:02,234 WARN L205 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 1709 DAG size of output: 769 [2021-06-06 09:28:03,941 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 2355 DAG size of output: 1207 [2021-06-06 09:28:06,179 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 2852 DAG size of output: 1424 [2021-06-06 09:28:08,771 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 2858 DAG size of output: 1428 [2021-06-06 09:28:11,989 WARN L205 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 3044 DAG size of output: 1578 [2021-06-06 09:28:15,142 WARN L205 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 3044 DAG size of output: 1578 [2021-06-06 09:28:18,800 WARN L205 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 3055 DAG size of output: 1590 [2021-06-06 09:28:18,925 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 1583 [2021-06-06 09:28:21,870 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 1585 DAG size of output: 1658 [2021-06-06 09:28:24,723 WARN L205 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 1565 DAG size of output: 1614 [2021-06-06 09:28:25,131 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 1531 DAG size of output: 1526 [2021-06-06 09:28:27,319 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 1390 DAG size of output: 1324 [2021-06-06 09:28:29,306 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 1321 DAG size of output: 1007 [2021-06-06 09:28:29,601 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 269 [2021-06-06 09:28:30,523 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 234 [2021-06-06 09:28:30,748 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 377 [2021-06-06 09:28:30,945 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 400 [2021-06-06 09:28:31,115 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 327 [2021-06-06 09:28:31,681 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 288 [2021-06-06 09:28:32,400 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 1111 DAG size of output: 701 [2021-06-06 09:28:33,239 WARN L205 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 1123 DAG size of output: 715 [2021-06-06 09:28:33,870 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 232 [2021-06-06 09:28:34,041 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 273 [2021-06-06 09:28:34,607 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 216 [2021-06-06 09:28:35,037 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 234 [2021-06-06 09:28:35,203 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 237 [2021-06-06 09:28:35,419 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-06-06 09:28:35,770 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 398 [2021-06-06 09:28:36,126 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 398 [2021-06-06 09:28:36,638 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 694 DAG size of output: 545 [2021-06-06 09:28:38,099 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1691 DAG size of output: 1148 [2021-06-06 09:28:39,914 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1798 DAG size of output: 1244 [2021-06-06 09:28:42,131 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 1926 DAG size of output: 1352 [2021-06-06 09:28:44,341 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 1926 DAG size of output: 1352 [2021-06-06 09:28:47,921 WARN L205 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 1937 DAG size of output: 1305 [2021-06-06 09:28:49,282 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1223 DAG size of output: 1120 [2021-06-06 09:28:50,928 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 1012 DAG size of output: 906 [2021-06-06 09:28:51,539 WARN L205 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 860 [2021-06-06 09:28:52,707 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 763 DAG size of output: 845 [2021-06-06 09:28:53,471 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 253 [2021-06-06 09:28:53,692 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 250 [2021-06-06 09:28:54,028 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2021-06-06 09:28:54,885 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 284 [2021-06-06 09:28:55,101 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 649 DAG size of output: 328 [2021-06-06 09:28:55,845 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 164 [2021-06-06 09:28:56,050 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 282 [2021-06-06 09:28:56,580 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 858 DAG size of output: 535 [2021-06-06 09:28:57,218 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 866 DAG size of output: 542 [2021-06-06 09:28:57,379 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 279 [2021-06-06 09:28:58,923 WARN L205 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 1020 DAG size of output: 630 [2021-06-06 09:29:00,078 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1153 DAG size of output: 730 [2021-06-06 09:29:01,230 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1153 DAG size of output: 730 [2021-06-06 09:29:02,503 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1155 DAG size of output: 732 [2021-06-06 09:29:03,777 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 729 DAG size of output: 729 [2021-06-06 09:29:04,126 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 292 [2021-06-06 09:29:04,925 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 420 [2021-06-06 09:29:05,091 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 258 [2021-06-06 09:29:05,195 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 233 [2021-06-06 09:29:06,349 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 281 [2021-06-06 09:29:06,506 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 281 [2021-06-06 09:29:06,830 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 346 [2021-06-06 09:29:07,305 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 229 [2021-06-06 09:29:07,840 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 198 [2021-06-06 09:29:08,027 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 286 [2021-06-06 09:29:08,215 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 286 [2021-06-06 09:29:08,430 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 292 [2021-06-06 09:29:08,660 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 334 [2021-06-06 09:29:08,861 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 343 [2021-06-06 09:29:09,053 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 318 [2021-06-06 09:29:09,180 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 266 [2021-06-06 09:29:09,291 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 249 [2021-06-06 09:29:09,890 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 239 [2021-06-06 09:29:09,997 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 257 [2021-06-06 09:29:10,167 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 09:29:10,168 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:29:10,169 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 09:29:10,169 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-06-06 09:29:10,174 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:29:10,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338467017] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:29:10,174 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:29:10,174 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 18] total 30 [2021-06-06 09:29:10,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596944641] [2021-06-06 09:29:10,174 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 09:29:10,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:29:10,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 09:29:10,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-06-06 09:29:10,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:29:10,175 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:29:10,175 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 30 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 09:29:10,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:29:10,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:10,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:10,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:29:10,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:29:10,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:29:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:29:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:29:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:29:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:29:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:29:10,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:29:10,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:29:10,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:10,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:10,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:29:10,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:29:10,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:29:10,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:29:10,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:29:10,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:10,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:29:10,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:29:10,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:29:10,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:29:10,501 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable688 [2021-06-06 09:29:10,501 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:29:10,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:29:10,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1770757431, now seen corresponding path program 12 times [2021-06-06 09:29:10,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:29:10,501 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488098645] [2021-06-06 09:29:10,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:29:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:29:10,650 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 91 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:29:10,650 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:29:10,650 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488098645] [2021-06-06 09:29:10,650 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488098645] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:29:10,650 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153964269] [2021-06-06 09:29:10,650 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 09:29:10,682 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-06-06 09:29:10,682 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 09:29:10,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-06 09:29:10,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:29:10,753 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 105 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:29:10,753 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153964269] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:29:10,753 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 09:29:10,753 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 22 [2021-06-06 09:29:10,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080136893] [2021-06-06 09:29:10,754 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 09:29:10,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 09:29:10,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 09:29:10,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=347, Unknown=0, NotChecked=0, Total=506 [2021-06-06 09:29:10,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:29:10,754 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 09:29:10,754 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 22 states have internal predecessors, (31), 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 09:29:10,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:29:10,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:10,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:10,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:29:10,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:29:10,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:29:10,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:29:10,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:29:10,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:10,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:29:10,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:29:10,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:29:10,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:29:10,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 09:29:10,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 09:29:10,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:10,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 09:29:10,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 09:29:10,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 09:29:10,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 09:29:10,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:29:10,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 09:29:10,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 09:29:10,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 09:29:10,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 09:29:10,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 09:29:10,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 09:29:10,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 09:29:11,190 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3716,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 09:29:11,190 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 09:29:11,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 09:29:11,191 INFO L82 PathProgramCache]: Analyzing trace with hash 964166162, now seen corresponding path program 13 times [2021-06-06 09:29:11,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 09:29:11,191 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406539913] [2021-06-06 09:29:11,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 09:29:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:29:11,324 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 09:29:11,325 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 09:29:11,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406539913] [2021-06-06 09:29:11,325 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406539913] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 09:29:11,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997496210] [2021-06-06 09:29:11,325 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 09:29:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 09:29:11,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-06 09:29:11,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 09:29:12,407 WARN L205 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2021-06-06 09:29:12,407 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 09:29:12,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 29 new quantified variables, introduced 105 case distinctions, treesize of input 67 treesize of output 889 [2021-06-06 09:29:14,005 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 301 [2021-06-06 09:29:14,214 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 336 [2021-06-06 09:29:15,671 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-06-06 09:29:15,872 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 331 [2021-06-06 09:29:16,329 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 469 [2021-06-06 09:29:17,206 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 292 [2021-06-06 09:29:18,079 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 369 [2021-06-06 09:29:18,367 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 397 [2021-06-06 09:29:19,974 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 301 [2021-06-06 09:29:20,207 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 371 [2021-06-06 09:29:20,507 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 401 [2021-06-06 09:29:21,137 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 573 [2021-06-06 09:29:22,379 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1029 DAG size of output: 813 [2021-06-06 09:29:23,830 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1064 DAG size of output: 848 [2021-06-06 09:29:25,352 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 312 [2021-06-06 09:29:25,568 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 345 [2021-06-06 09:29:27,111 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 309 [2021-06-06 09:29:27,376 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 393 [2021-06-06 09:29:27,702 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 421 [2021-06-06 09:29:28,311 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 554 [2021-06-06 09:29:28,989 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 220 [2021-06-06 09:29:29,994 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 363 [2021-06-06 09:29:30,256 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 407 [2021-06-06 09:29:31,582 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 248 [2021-06-06 09:29:31,750 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 278 [2021-06-06 09:29:31,987 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 344 [2021-06-06 09:29:32,261 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 426 DAG size of output: 388 [2021-06-06 09:29:32,850 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 628 DAG size of output: 563 [2021-06-06 09:29:34,227 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1039 DAG size of output: 880 [2021-06-06 09:29:37,313 WARN L205 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 1848 DAG size of output: 1480 [2021-06-06 09:29:40,904 WARN L205 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 1883 DAG size of output: 1513 [2021-06-06 09:29:45,025 WARN L205 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 1917 DAG size of output: 1547 [2021-06-06 09:29:46,333 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 312 [2021-06-06 09:29:46,519 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 341 [2021-06-06 09:29:47,718 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 266 [2021-06-06 09:29:48,064 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 421 [2021-06-06 09:29:49,181 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 300 [2021-06-06 09:29:49,347 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 346 [2021-06-06 09:29:50,469 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 264 [2021-06-06 09:29:50,606 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 310 [2021-06-06 09:29:50,947 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 444 [2021-06-06 09:29:51,722 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 753 DAG size of output: 651 [2021-06-06 09:29:52,916 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 256 [2021-06-06 09:29:54,068 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 251 [2021-06-06 09:29:54,295 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 337 [2021-06-06 09:29:55,591 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 291 [2021-06-06 09:29:55,754 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 322 [2021-06-06 09:29:56,971 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 286 [2021-06-06 09:29:57,132 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 315 [2021-06-06 09:29:57,488 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 439 [2021-06-06 09:29:58,168 WARN L205 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 725 DAG size of output: 571 [2021-06-06 09:29:58,977 WARN L205 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 609 [2021-06-06 09:30:00,633 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1284 DAG size of output: 971 [2021-06-06 09:30:02,615 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1005 [2021-06-06 09:30:04,927 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 1357 DAG size of output: 1042 [2021-06-06 09:30:12,246 WARN L205 SmtUtils]: Spent 7.31 s on a formula simplification. DAG size of input: 2959 DAG size of output: 2238 [2021-06-06 09:30:20,564 WARN L205 SmtUtils]: Spent 8.30 s on a formula simplification. DAG size of input: 2993 DAG size of output: 2270 [2021-06-06 09:30:29,704 WARN L205 SmtUtils]: Spent 9.12 s on a formula simplification. DAG size of input: 3024 DAG size of output: 2299 [2021-06-06 09:30:39,794 WARN L205 SmtUtils]: Spent 10.07 s on a formula simplification. DAG size of input: 3054 DAG size of output: 2327 [2021-06-06 09:30:49,921 WARN L205 SmtUtils]: Spent 10.11 s on a formula simplification. DAG size of input: 3054 DAG size of output: 2327 [2021-06-06 09:31:02,101 WARN L205 SmtUtils]: Spent 12.15 s on a formula simplification. DAG size of input: 3079 DAG size of output: 2352 [2021-06-06 09:31:14,053 WARN L205 SmtUtils]: Spent 11.94 s on a formula simplification. DAG size of input: 2354 DAG size of output: 2363 [2021-06-06 09:31:47,010 WARN L205 SmtUtils]: Spent 32.94 s on a formula simplification. DAG size of input: 2345 DAG size of output: 3486 [2021-06-06 09:32:04,118 WARN L205 SmtUtils]: Spent 17.09 s on a formula simplification. DAG size of input: 2122 DAG size of output: 3082 [2021-06-06 09:32:22,889 WARN L205 SmtUtils]: Spent 18.75 s on a formula simplification. DAG size of input: 2118 DAG size of output: 3300 [2021-06-06 09:32:39,444 WARN L205 SmtUtils]: Spent 16.54 s on a formula simplification. DAG size of input: 2112 DAG size of output: 2949 [2021-06-06 09:32:39,776 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 2104 [2021-06-06 09:33:05,149 WARN L205 SmtUtils]: Spent 25.36 s on a formula simplification. DAG size of input: 2076 DAG size of output: 2858 [2021-06-06 09:33:20,533 WARN L205 SmtUtils]: Spent 15.37 s on a formula simplification. DAG size of input: 1979 DAG size of output: 2740 [2021-06-06 09:33:35,013 WARN L205 SmtUtils]: Spent 14.46 s on a formula simplification. DAG size of input: 1958 DAG size of output: 2444 [2021-06-06 09:33:49,375 WARN L205 SmtUtils]: Spent 14.35 s on a formula simplification. DAG size of input: 1938 DAG size of output: 2763 [2021-06-06 09:33:56,021 WARN L205 SmtUtils]: Spent 6.63 s on a formula simplification. DAG size of input: 1930 DAG size of output: 1839 [2021-06-06 09:33:56,510 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 1812 [2021-06-06 09:33:57,066 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 1782 DAG size of output: 1782 [2021-06-06 09:33:57,431 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 1268 DAG size of output: 1268 [2021-06-06 09:34:02,400 WARN L205 SmtUtils]: Spent 4.77 s on a formula simplification. DAG size of input: 1237 DAG size of output: 2125 [2021-06-06 09:34:02,739 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 1231 DAG size of output: 1231 [2021-06-06 09:34:06,591 WARN L205 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 1203 DAG size of output: 2086 [2021-06-06 09:34:10,728 WARN L205 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 1198 DAG size of output: 1515 [2021-06-06 09:34:15,069 WARN L205 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 1194 DAG size of output: 1508 [2021-06-06 09:34:15,373 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 1002 DAG size of output: 1002 [2021-06-06 09:34:16,435 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 622 DAG size of output: 710 [2021-06-06 09:34:17,896 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 620 DAG size of output: 971 [2021-06-06 09:34:19,283 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 619 DAG size of output: 814 [2021-06-06 09:34:19,428 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 614 [2021-06-06 09:34:20,654 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 318 [2021-06-06 09:34:22,027 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 281 [2021-06-06 09:34:22,273 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 374 [2021-06-06 09:34:22,783 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 715 DAG size of output: 519 [2021-06-06 09:34:23,670 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 255 [2021-06-06 09:34:24,483 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 424 DAG size of output: 321 [2021-06-06 09:34:25,328 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 226 [2021-06-06 09:34:25,460 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 263 [2021-06-06 09:34:26,190 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 244 [2021-06-06 09:34:26,351 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 282 [2021-06-06 09:34:26,651 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 376 [2021-06-06 09:34:27,262 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 733 DAG size of output: 524 [2021-06-06 09:34:28,498 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 997 DAG size of output: 720 [2021-06-06 09:34:29,076 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 435 [2021-06-06 09:34:30,283 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 312 [2021-06-06 09:34:31,666 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 263 [2021-06-06 09:34:31,878 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 323 [2021-06-06 09:34:32,297 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 425 [2021-06-06 09:34:32,609 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 303 [2021-06-06 09:34:33,996 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 294 [2021-06-06 09:34:34,245 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 332 [2021-06-06 09:34:35,353 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 272 [2021-06-06 09:34:35,555 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 311 [2021-06-06 09:34:36,051 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 464 [2021-06-06 09:34:37,141 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 959 DAG size of output: 697 [2021-06-06 09:34:39,458 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 1720 DAG size of output: 1194 [2021-06-06 09:34:39,607 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 606 [2021-06-06 09:34:39,976 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 349 [2021-06-06 09:34:41,159 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 312 [2021-06-06 09:34:41,398 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 316 [2021-06-06 09:34:42,641 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 317 [2021-06-06 09:34:43,005 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 470 [2021-06-06 09:34:43,473 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 477 [2021-06-06 09:34:44,543 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 288 [2021-06-06 09:34:45,282 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 314 [2021-06-06 09:34:45,526 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 319 [2021-06-06 09:34:46,257 WARN L205 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 832 DAG size of output: 587 [2021-06-06 09:34:47,661 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 291 [2021-06-06 09:34:47,776 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 267 [2021-06-06 09:34:47,884 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 239 [2021-06-06 09:34:49,246 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 333 [2021-06-06 09:34:49,627 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 436 [2021-06-06 09:34:50,108 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 460 [2021-06-06 09:34:50,319 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 253 [2021-06-06 09:34:50,909 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 229 [2021-06-06 09:34:51,719 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 336 [2021-06-06 09:34:51,956 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 342 [2021-06-06 09:34:52,804 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 343 [2021-06-06 09:34:53,143 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 367 [2021-06-06 09:34:54,053 WARN L205 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 833 DAG size of output: 618 [2021-06-06 09:34:55,999 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1424 DAG size of output: 997 [2021-06-06 09:35:00,708 WARN L205 SmtUtils]: Spent 4.70 s on a formula simplification. DAG size of input: 2319 DAG size of output: 1544 [2021-06-06 09:35:00,857 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 545 [2021-06-06 09:35:02,024 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 224 [2021-06-06 09:35:03,445 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 228 [2021-06-06 09:35:03,674 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 287 [2021-06-06 09:35:03,990 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 338 [2021-06-06 09:35:06,285 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 227 [2021-06-06 09:35:06,489 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 266 [2021-06-06 09:35:06,756 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 347 [2021-06-06 09:35:07,428 WARN L205 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 698 DAG size of output: 504 [2021-06-06 09:35:07,725 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 339 [2021-06-06 09:35:08,845 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 231 [2021-06-06 09:35:10,131 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 322 [2021-06-06 09:35:10,846 WARN L205 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 447 [2021-06-06 09:35:12,241 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 228 [2021-06-06 09:35:12,793 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 306 [2021-06-06 09:35:13,019 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 230 [2021-06-06 09:35:13,960 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 244 [2021-06-06 09:35:14,786 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 222 [2021-06-06 09:35:15,069 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 340 [2021-06-06 09:35:15,613 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 474 [2021-06-06 09:35:16,531 WARN L205 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 786 DAG size of output: 562 [2021-06-06 09:35:18,407 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 1315 DAG size of output: 893 [2021-06-06 09:35:26,142 WARN L205 SmtUtils]: Spent 7.73 s on a formula simplification. DAG size of input: 3402 DAG size of output: 2219 [2021-06-06 09:35:37,391 WARN L205 SmtUtils]: Spent 11.23 s on a formula simplification. DAG size of input: 4261 DAG size of output: 3009 [2021-06-06 09:35:52,727 WARN L205 SmtUtils]: Spent 15.32 s on a formula simplification. DAG size of input: 5206 DAG size of output: 3925 [2021-06-06 09:36:12,208 WARN L205 SmtUtils]: Spent 19.45 s on a formula simplification. DAG size of input: 6147 DAG size of output: 4510 [2021-06-06 09:36:34,198 WARN L205 SmtUtils]: Spent 21.96 s on a formula simplification. DAG size of input: 6182 DAG size of output: 4546 [2021-06-06 09:36:34,533 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 1227 DAG size of output: 1227 [2021-06-06 09:36:34,844 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 1198 DAG size of output: 1198 [2021-06-06 09:36:36,196 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 657 DAG size of output: 806 [2021-06-06 09:36:36,450 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 249 [2021-06-06 09:36:37,227 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 325 [2021-06-06 09:36:38,125 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 386 [2021-06-06 09:36:38,435 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 326 [2021-06-06 09:36:40,001 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 285 [2021-06-06 09:36:40,138 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 283 [2021-06-06 09:36:40,467 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 408 [2021-06-06 09:36:41,146 WARN L205 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 561 [2021-06-06 09:36:41,392 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 250 [2021-06-06 09:36:41,533 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 227 [2021-06-06 09:36:42,295 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 255 [2021-06-06 09:36:42,436 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 224 [2021-06-06 09:36:43,226 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 221 [2021-06-06 09:36:44,068 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 287 [2021-06-06 09:36:44,381 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 329 [2021-06-06 09:36:44,867 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 436 DAG size of output: 430 [2021-06-06 09:36:46,162 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 310 [2021-06-06 09:36:46,979 WARN L205 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 619 DAG size of output: 546 [2021-06-06 09:36:48,752 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 1092 DAG size of output: 916 [2021-06-06 09:36:51,669 WARN L205 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 1323 DAG size of output: 1268 [2021-06-06 09:36:53,487 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 714 DAG size of output: 881 [2021-06-06 09:36:54,648 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 291 [2021-06-06 09:36:55,278 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 328 [2021-06-06 09:36:55,510 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 334 [2021-06-06 09:36:55,914 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 345 [2021-06-06 09:36:56,174 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 324 [2021-06-06 09:36:56,455 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 354 [2021-06-06 09:36:56,717 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 321 [2021-06-06 09:36:57,849 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 257 [2021-06-06 09:36:58,094 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 309 [2021-06-06 09:36:58,977 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 258 [2021-06-06 09:36:59,137 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 264 [2021-06-06 09:36:59,504 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 382 [2021-06-06 09:36:59,787 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 347 [2021-06-06 09:37:00,010 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 314 [2021-06-06 09:37:00,903 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 253 [2021-06-06 09:37:01,639 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 348 [2021-06-06 09:37:01,895 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 354 [2021-06-06 09:37:02,621 WARN L205 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 436 [2021-06-06 09:37:03,701 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 693 DAG size of output: 573 [2021-06-06 09:37:05,020 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 888 DAG size of output: 695 [2021-06-06 09:37:06,059 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 304 [2021-06-06 09:37:07,055 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 378 [2021-06-06 09:37:07,334 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 393 [2021-06-06 09:37:07,631 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 364 [2021-06-06 09:37:08,000 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 382 [2021-06-06 09:37:08,241 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 301 [2021-06-06 09:37:09,284 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 230 [2021-06-06 09:37:09,443 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 272 [2021-06-06 09:37:09,703 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 345 [2021-06-06 09:37:11,036 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 278 [2021-06-06 09:37:11,422 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 400 [2021-06-06 09:37:12,784 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 237 [2021-06-06 09:37:12,930 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 242 [2021-06-06 09:37:13,072 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 247 [2021-06-06 09:37:13,238 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 277 [2021-06-06 09:37:13,869 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 474 [2021-06-06 09:37:14,747 WARN L205 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 599 [2021-06-06 09:37:16,116 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 914 DAG size of output: 805 [2021-06-06 09:37:19,122 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 1578 DAG size of output: 1173 [2021-06-06 09:37:23,561 WARN L205 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 1866 DAG size of output: 1552 [2021-06-06 09:37:32,168 WARN L205 SmtUtils]: Spent 8.56 s on a formula simplification. DAG size of input: 2940 DAG size of output: 2588 [2021-06-06 09:37:41,997 WARN L205 SmtUtils]: Spent 9.79 s on a formula simplification. DAG size of input: 2968 DAG size of output: 2618 [2021-06-06 09:38:18,430 WARN L205 SmtUtils]: Spent 36.41 s on a formula simplification. DAG size of input: 8402 DAG size of output: 6273 [2021-06-06 09:38:59,419 WARN L205 SmtUtils]: Spent 40.94 s on a formula simplification. DAG size of input: 8492 DAG size of output: 6351 [2021-06-06 09:38:59,630 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 763 [2021-06-06 09:38:59,805 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 731 DAG size of output: 731 [2021-06-06 09:39:01,720 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 702 DAG size of output: 1025 [2021-06-06 09:39:03,113 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 698 DAG size of output: 914 [2021-06-06 09:39:03,276 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 692 DAG size of output: 692 [2021-06-06 09:39:03,640 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 325 [2021-06-06 09:39:03,902 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 316 [2021-06-06 09:39:05,542 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 201 [2021-06-06 09:39:06,402 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 237 [2021-06-06 09:39:06,722 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 344 [2021-06-06 09:39:07,275 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 482 [2021-06-06 09:39:07,693 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 386 [2021-06-06 09:39:07,972 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 329 [2021-06-06 09:39:10,061 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2021-06-06 09:39:10,261 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 286 [2021-06-06 09:39:10,513 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 327 [2021-06-06 09:39:12,521 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 360 [2021-06-06 09:39:13,176 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 484 [2021-06-06 09:39:14,146 WARN L205 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 704 DAG size of output: 629 [2021-06-06 09:39:15,929 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1009 DAG size of output: 898 [2021-06-06 09:39:17,636 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 249 [2021-06-06 09:39:17,870 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 327 [2021-06-06 09:39:18,870 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 298 [2021-06-06 09:39:19,371 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 468 [2021-06-06 09:39:19,693 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 359 [2021-06-06 09:39:19,911 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 317 [2021-06-06 09:39:20,119 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 316 [2021-06-06 09:39:22,607 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 290 [2021-06-06 09:39:22,895 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 374 [2021-06-06 09:39:23,174 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 372 [2021-06-06 09:39:24,538 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 262 [2021-06-06 09:39:25,748 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 306 [2021-06-06 09:39:26,339 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 391 [2021-06-06 09:39:27,271 WARN L205 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 750 DAG size of output: 516 [2021-06-06 09:39:28,611 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 870 DAG size of output: 675 [2021-06-06 09:39:30,701 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 1157 DAG size of output: 948 [2021-06-06 09:39:35,337 WARN L205 SmtUtils]: Spent 4.63 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1646 [2021-06-06 09:39:41,492 WARN L205 SmtUtils]: Spent 6.14 s on a formula simplification. DAG size of input: 2158 DAG size of output: 1979 [2021-06-06 09:39:43,529 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 696 DAG size of output: 953 [2021-06-06 09:39:45,160 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 692 DAG size of output: 825 [2021-06-06 09:39:46,332 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 689 DAG size of output: 822 [2021-06-06 09:39:47,270 WARN L205 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 806 [2021-06-06 09:39:47,436 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 655 [2021-06-06 09:39:48,950 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 293 [2021-06-06 09:39:50,226 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 239 [2021-06-06 09:39:50,557 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 383 [2021-06-06 09:39:50,778 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 308 [2021-06-06 09:39:51,845 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 225 [2021-06-06 09:39:52,136 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 372 [2021-06-06 09:39:53,494 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 254 [2021-06-06 09:39:53,820 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 378 [2021-06-06 09:39:54,628 WARN L205 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 881 DAG size of output: 639 [2021-06-06 09:39:56,047 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 685 DAG size of output: 1005 [2021-06-06 09:39:56,208 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 682 [2021-06-06 09:39:57,636 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 299 [2021-06-06 09:39:59,403 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 324 [2021-06-06 09:39:59,811 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 486 [2021-06-06 09:39:59,977 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 681 [2021-06-06 09:40:01,170 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 299 [2021-06-06 09:40:02,711 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 316 [2021-06-06 09:40:03,144 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 486 [2021-06-06 09:40:04,087 WARN L205 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 966 DAG size of output: 640 [2021-06-06 09:40:06,080 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 1382 DAG size of output: 835 [2021-06-06 09:40:06,256 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 655 [2021-06-06 09:40:08,751 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 227 [2021-06-06 09:40:08,912 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 257 [2021-06-06 09:40:09,185 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 340 [2021-06-06 09:40:09,490 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 329 [2021-06-06 09:40:10,975 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 259 [2021-06-06 09:40:11,251 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 331 [2021-06-06 09:40:12,693 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 255 [2021-06-06 09:40:13,052 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 359 [2021-06-06 09:40:13,796 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 545 [2021-06-06 09:40:15,615 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 248 [2021-06-06 09:40:17,010 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 186 [2021-06-06 09:40:17,736 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 236 [2021-06-06 09:40:18,097 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 373 [2021-06-06 09:40:19,391 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1037 DAG size of output: 762 [2021-06-06 09:40:23,147 WARN L205 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 1939 DAG size of output: 1117 [2021-06-06 09:40:28,572 WARN L205 SmtUtils]: Spent 5.41 s on a formula simplification. DAG size of input: 2267 DAG size of output: 1472 [2021-06-06 09:40:35,978 WARN L205 SmtUtils]: Spent 7.39 s on a formula simplification. DAG size of input: 2628 DAG size of output: 1938 [2021-06-06 09:40:51,576 WARN L205 SmtUtils]: Spent 15.58 s on a formula simplification. DAG size of input: 4180 DAG size of output: 3076 [2021-06-06 09:41:09,132 WARN L205 SmtUtils]: Spent 17.53 s on a formula simplification. DAG size of input: 4216 DAG size of output: 3112 [2021-06-06 09:41:29,289 WARN L205 SmtUtils]: Spent 19.95 s on a formula simplification. DAG size of input: 4308 DAG size of output: 3188 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown