/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 06:11:38,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 06:11:38,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 06:11:38,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 06:11:38,611 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-06-17 06:11:38,647 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 06:11:38,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 06:11:38,647 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 06:11:38,647 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 06:11:38,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 06:11:38,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 06:11:38,649 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 06:11:38,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 06:11:38,649 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 06:11:38,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 06:11:38,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 06:11:38,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 06:11:38,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 06:11:38,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 06:11:38,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 06:11:38,650 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 06:11:38,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 06:11:38,651 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 06:11:38,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 06:11:38,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 06:11:38,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 06:11:38,651 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 06:11:38,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 06:11:38,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 06:11:38,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 06:11:38,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 06:11:38,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 06:11:38,652 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 06:11:38,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 06:11:38,652 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 06:11:38,652 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 06:11:38,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 06:11:38,653 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 06:11:38,653 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 06:11:38,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 06:11:38,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 06:11:38,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 06:11:38,939 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 06:11:38,940 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 06:11:38,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl [2021-06-17 06:11:38,941 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl' [2021-06-17 06:11:38,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 06:11:38,977 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 06:11:38,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 06:11:38,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 06:11:38,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 06:11:38,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:11:38" (1/1) ... [2021-06-17 06:11:39,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:11:38" (1/1) ... [2021-06-17 06:11:39,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 06:11:39,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 06:11:39,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 06:11:39,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 06:11:39,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:11:38" (1/1) ... [2021-06-17 06:11:39,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:11:38" (1/1) ... [2021-06-17 06:11:39,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:11:38" (1/1) ... [2021-06-17 06:11:39,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:11:38" (1/1) ... [2021-06-17 06:11:39,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:11:38" (1/1) ... [2021-06-17 06:11:39,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:11:38" (1/1) ... [2021-06-17 06:11:39,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:11:38" (1/1) ... [2021-06-17 06:11:39,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 06:11:39,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 06:11:39,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 06:11:39,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 06:11:39,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:11:38" (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 [2021-06-17 06:11:39,114 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 06:11:39,115 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 06:11:39,115 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 06:11:39,115 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 06:11:39,115 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 06:11:39,115 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 06:11:39,115 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 06:11:39,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 06:11:39,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 06:11:39,118 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 06:11:39,463 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 06:11:39,463 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-17 06:11:39,464 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-17 06:11:39,464 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-17 06:11:39,466 INFO L202 PluginConnector]: Adding new model unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 06:11:39 BoogieIcfgContainer [2021-06-17 06:11:39,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 06:11:39,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 06:11:39,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 06:11:39,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 06:11:39,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 06:11:38" (1/2) ... [2021-06-17 06:11:39,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6921c219 and model type unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 06:11:39, skipping insertion in model container [2021-06-17 06:11:39,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 06:11:39" (2/2) ... [2021-06-17 06:11:39,474 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.bpl [2021-06-17 06:11:39,481 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 06:11:39,482 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 06:11:39,482 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 06:11:39,483 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 06:11:39,540 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-17 06:11:39,558 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 [2021-06-17 06:11:39,610 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 06:11:39,610 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 06:11:39,610 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 06:11:39,610 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 06:11:39,611 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 06:11:39,611 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 06:11:39,611 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 06:11:39,611 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 06:11:39,675 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:11:39,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:11:39,680 INFO L82 PathProgramCache]: Analyzing trace with hash -530401653, now seen corresponding path program 1 times [2021-06-17 06:11:39,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:11:39,688 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164472429] [2021-06-17 06:11:39,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:11:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:11:39,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:11:39,846 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:11:39,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164472429] [2021-06-17 06:11:39,848 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164472429] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 06:11:39,848 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 06:11:39,848 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-17 06:11:39,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263960770] [2021-06-17 06:11:39,852 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 06:11:39,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:11:39,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 06:11:39,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 06:11:39,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:39,870 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:11:39,872 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) [2021-06-17 06:11:39,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:39,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:39,898 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 06:11:39,898 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:11:39,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:11:39,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1897859861, now seen corresponding path program 1 times [2021-06-17 06:11:39,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:11:39,903 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659296877] [2021-06-17 06:11:39,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:11:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:11:39,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:11:39,956 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:11:39,956 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659296877] [2021-06-17 06:11:39,956 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659296877] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:39,956 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711939885] [2021-06-17 06:11:39,957 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 [2021-06-17 06:11:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:11:39,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-17 06:11:39,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:11:40,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:11:40,083 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711939885] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:40,083 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:11:40,083 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-17 06:11:40,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586534791] [2021-06-17 06:11:40,084 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-17 06:11:40,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:11:40,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-17 06:11:40,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-17 06:11:40,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:40,086 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:11:40,086 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) [2021-06-17 06:11:40,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:40,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:40,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:40,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:40,341 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:11:40,341 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:11:40,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:11:40,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1318957172, now seen corresponding path program 1 times [2021-06-17 06:11:40,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:11:40,342 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433843516] [2021-06-17 06:11:40,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:11:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:11:40,407 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 06:11:40,407 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:11:40,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433843516] [2021-06-17 06:11:40,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433843516] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:40,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887518248] [2021-06-17 06:11:40,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:11:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:11:40,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-17 06:11:40,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:11:40,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 06:11:40,499 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887518248] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:40,500 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:11:40,500 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-17 06:11:40,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096531392] [2021-06-17 06:11:40,500 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 06:11:40,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:11:40,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 06:11:40,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 06:11:40,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:40,501 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:11:40,501 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) [2021-06-17 06:11:40,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:40,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:40,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:40,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:40,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:40,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:40,755 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:11:40,756 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:11:40,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:11:40,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1451611860, now seen corresponding path program 2 times [2021-06-17 06:11:40,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:11:40,757 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556213310] [2021-06-17 06:11:40,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:11:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:11:40,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 06:11:40,834 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:11:40,835 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556213310] [2021-06-17 06:11:40,835 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556213310] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:40,835 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865146157] [2021-06-17 06:11:40,835 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 [2021-06-17 06:11:40,879 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:11:40,879 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:11:40,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-17 06:11:40,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:11:40,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 06:11:40,991 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865146157] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:40,991 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:11:40,991 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-06-17 06:11:40,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354312174] [2021-06-17 06:11:40,992 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-17 06:11:40,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:11:40,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-17 06:11:40,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-17 06:11:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:40,993 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:11:40,993 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 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) [2021-06-17 06:11:40,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:40,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:40,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:40,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:41,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:41,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:41,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:41,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:41,260 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:11:41,261 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:11:41,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:11:41,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1268939892, now seen corresponding path program 3 times [2021-06-17 06:11:41,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:11:41,262 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142154869] [2021-06-17 06:11:41,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:11:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:11:41,343 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 06:11:41,343 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:11:41,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142154869] [2021-06-17 06:11:41,344 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142154869] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:41,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972328992] [2021-06-17 06:11:41,344 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 [2021-06-17 06:11:41,383 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-17 06:11:41,383 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:11:41,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-17 06:11:41,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:11:41,447 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 06:11:41,447 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972328992] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:41,447 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:11:41,447 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-17 06:11:41,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070012835] [2021-06-17 06:11:41,448 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-17 06:11:41,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:11:41,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-17 06:11:41,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-17 06:11:41,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:41,449 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:11:41,449 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) [2021-06-17 06:11:41,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:41,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:41,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:41,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:41,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:41,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:41,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:41,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:41,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:41,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:11:41,700 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:11:41,702 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:11:41,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:11:41,702 INFO L82 PathProgramCache]: Analyzing trace with hash -98923820, now seen corresponding path program 4 times [2021-06-17 06:11:41,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:11:41,702 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982450411] [2021-06-17 06:11:41,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:11:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:11:41,762 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:11:41,762 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:11:41,762 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982450411] [2021-06-17 06:11:41,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982450411] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:41,763 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922816370] [2021-06-17 06:11:41,763 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 [2021-06-17 06:11:41,794 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:11:41,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:11:41,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-17 06:11:41,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:11:41,938 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:11:41,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-06-17 06:11:42,050 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:11:42,053 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:11:42,053 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:11:42,054 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-06-17 06:11:42,067 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:11:42,067 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922816370] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:42,068 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:11:42,068 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-06-17 06:11:42,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067558768] [2021-06-17 06:11:42,068 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-17 06:11:42,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:11:42,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-17 06:11:42,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-06-17 06:11:42,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:42,070 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:11:42,070 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 11 states have internal predecessors, (23), 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) [2021-06-17 06:11:42,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:42,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:42,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:42,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:42,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:11:42,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:42,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:42,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:42,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:42,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:42,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:11:42,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:11:42,348 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:11:42,349 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:11:42,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:11:42,350 INFO L82 PathProgramCache]: Analyzing trace with hash 446974068, now seen corresponding path program 5 times [2021-06-17 06:11:42,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:11:42,350 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686501105] [2021-06-17 06:11:42,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:11:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:11:42,429 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:11:42,430 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:11:42,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686501105] [2021-06-17 06:11:42,430 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686501105] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:42,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237593282] [2021-06-17 06:11:42,430 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 [2021-06-17 06:11:42,460 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-17 06:11:42,460 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:11:42,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-17 06:11:42,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:11:42,545 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:11:42,545 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237593282] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:42,545 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:11:42,545 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-06-17 06:11:42,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398515021] [2021-06-17 06:11:42,548 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-17 06:11:42,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:11:42,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-17 06:11:42,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-06-17 06:11:42,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:42,554 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:11:42,555 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 06:11:42,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:42,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:42,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:42,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:42,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:11:42,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:11:42,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:42,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:42,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:42,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:42,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:11:42,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:11:42,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:11:42,904 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-17 06:11:42,904 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:11:42,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:11:42,905 INFO L82 PathProgramCache]: Analyzing trace with hash 994364939, now seen corresponding path program 6 times [2021-06-17 06:11:42,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:11:42,905 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078214966] [2021-06-17 06:11:42,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:11:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:11:42,988 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 06:11:42,988 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:11:42,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078214966] [2021-06-17 06:11:42,988 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078214966] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:42,989 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436209584] [2021-06-17 06:11:42,989 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 [2021-06-17 06:11:43,022 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-17 06:11:43,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:11:43,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-17 06:11:43,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:11:43,138 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 06:11:43,139 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436209584] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:43,139 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:11:43,139 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-17 06:11:43,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791677672] [2021-06-17 06:11:43,140 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-17 06:11:43,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:11:43,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-17 06:11:43,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-06-17 06:11:43,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:43,141 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:11:43,141 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 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) [2021-06-17 06:11:43,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:43,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:43,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:43,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:43,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:11:43,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:11:43,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:11:43,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:43,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:43,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:43,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:43,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:43,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:11:43,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:11:43,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:11:43,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:43,508 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-17 06:11:43,509 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:11:43,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:11:43,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1616225195, now seen corresponding path program 7 times [2021-06-17 06:11:43,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:11:43,510 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288479188] [2021-06-17 06:11:43,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:11:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:11:43,658 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 06:11:43,659 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:11:43,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288479188] [2021-06-17 06:11:43,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288479188] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:43,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246105968] [2021-06-17 06:11:43,660 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 [2021-06-17 06:11:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:11:43,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-17 06:11:43,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:11:43,818 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 06:11:43,819 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246105968] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:43,819 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:11:43,819 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-06-17 06:11:43,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528805370] [2021-06-17 06:11:43,819 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-17 06:11:43,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:11:43,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-17 06:11:43,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-06-17 06:11:43,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:43,821 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:11:43,821 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) [2021-06-17 06:11:43,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:43,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:43,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:43,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:11:43,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:11:43,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:11:43,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:43,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:43,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:43,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:43,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:43,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:43,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:11:43,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:11:43,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:11:43,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:43,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:11:44,192 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-17 06:11:44,193 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:11:44,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:11:44,193 INFO L82 PathProgramCache]: Analyzing trace with hash -580943349, now seen corresponding path program 8 times [2021-06-17 06:11:44,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:11:44,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343339189] [2021-06-17 06:11:44,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:11:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:11:44,309 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 06:11:44,309 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:11:44,309 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343339189] [2021-06-17 06:11:44,309 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343339189] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:44,309 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300110826] [2021-06-17 06:11:44,309 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 [2021-06-17 06:11:44,349 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:11:44,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:11:44,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-17 06:11:44,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:11:44,470 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 06:11:44,470 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300110826] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:44,470 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:11:44,471 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-06-17 06:11:44,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130824008] [2021-06-17 06:11:44,472 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-17 06:11:44,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:11:44,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-17 06:11:44,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-06-17 06:11:44,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:44,473 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:11:44,473 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 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) [2021-06-17 06:11:44,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:44,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:44,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:44,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:44,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:11:44,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:11:44,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:11:44,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:44,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:11:44,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:44,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:44,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:44,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:44,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:44,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:11:44,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:11:44,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:11:44,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:44,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:11:44,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:11:44,860 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-17 06:11:44,861 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:11:44,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:11:44,861 INFO L82 PathProgramCache]: Analyzing trace with hash 26308523, now seen corresponding path program 9 times [2021-06-17 06:11:44,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:11:44,861 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684997932] [2021-06-17 06:11:44,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:11:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:11:44,945 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:11:44,945 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:11:44,945 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684997932] [2021-06-17 06:11:44,946 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684997932] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:44,946 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882491791] [2021-06-17 06:11:44,946 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 [2021-06-17 06:11:44,986 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-17 06:11:44,986 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:11:44,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-17 06:11:44,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:11:45,308 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-17 06:11:45,309 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:11:45,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-06-17 06:11:46,194 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 247 [2021-06-17 06:11:46,353 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 263 [2021-06-17 06:11:46,529 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 266 [2021-06-17 06:11:46,673 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 266 [2021-06-17 06:11:46,838 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 274 [2021-06-17 06:11:46,985 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 264 [2021-06-17 06:11:47,581 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 179 [2021-06-17 06:11:47,703 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 185 [2021-06-17 06:11:47,837 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 239 [2021-06-17 06:11:48,883 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 06:11:48,884 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:11:48,885 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 06:11:48,885 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-06-17 06:11:48,892 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:11:48,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882491791] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:48,892 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:11:48,892 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-06-17 06:11:48,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517219875] [2021-06-17 06:11:48,893 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-17 06:11:48,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:11:48,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-17 06:11:48,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-06-17 06:11:48,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:48,894 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:11:48,894 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 20 states have internal predecessors, (33), 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) [2021-06-17 06:11:48,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:48,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:48,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:48,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:48,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:11:48,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:11:48,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:11:48,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:48,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:11:48,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:11:48,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:48,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:48,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:48,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:48,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:48,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:11:48,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:11:48,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:11:48,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:48,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:11:48,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:11:48,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:49,197 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-17 06:11:49,197 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:11:49,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:11:49,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1671247371, now seen corresponding path program 10 times [2021-06-17 06:11:49,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:11:49,198 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566083545] [2021-06-17 06:11:49,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:11:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:11:49,303 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:11:49,303 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:11:49,303 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566083545] [2021-06-17 06:11:49,304 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566083545] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:49,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354313482] [2021-06-17 06:11:49,304 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 [2021-06-17 06:11:49,338 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 06:11:49,338 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:11:49,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-17 06:11:49,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:11:49,404 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:11:49,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354313482] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:49,405 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:11:49,405 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-06-17 06:11:49,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265057368] [2021-06-17 06:11:49,405 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-17 06:11:49,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:11:49,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-17 06:11:49,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-06-17 06:11:49,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:49,406 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:11:49,406 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 14 states have internal predecessors, (23), 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) [2021-06-17 06:11:49,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:49,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:49,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:49,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:49,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:11:49,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:11:49,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:11:49,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:49,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:11:49,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:11:49,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:49,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:49,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:49,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:49,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:49,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:49,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:11:49,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:11:49,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:11:49,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:49,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:11:49,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:11:49,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:49,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:11:49,807 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable313,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:11:49,807 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:11:49,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:11:49,807 INFO L82 PathProgramCache]: Analyzing trace with hash 292131668, now seen corresponding path program 11 times [2021-06-17 06:11:49,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:11:49,808 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641168482] [2021-06-17 06:11:49,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:11:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:11:49,983 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-17 06:11:49,983 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:11:49,984 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641168482] [2021-06-17 06:11:49,984 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641168482] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:49,984 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348779692] [2021-06-17 06:11:49,984 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 [2021-06-17 06:11:50,040 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-17 06:11:50,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:11:50,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-17 06:11:50,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:11:50,201 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-17 06:11:50,201 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348779692] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:50,201 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:11:50,201 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-06-17 06:11:50,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193748286] [2021-06-17 06:11:50,202 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-17 06:11:50,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:11:50,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-17 06:11:50,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-06-17 06:11:50,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:50,203 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:11:50,203 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.4) internal successors, (28), 19 states have internal predecessors, (28), 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) [2021-06-17 06:11:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:11:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:11:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:11:50,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:50,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:11:50,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:11:50,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:50,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:11:50,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:50,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:50,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:50,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:50,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:50,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:11:50,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:11:50,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:11:50,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:50,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:11:50,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:11:50,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:50,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:11:50,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:11:50,728 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable314 [2021-06-17 06:11:50,728 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:11:50,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:11:50,728 INFO L82 PathProgramCache]: Analyzing trace with hash 530399668, now seen corresponding path program 12 times [2021-06-17 06:11:50,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:11:50,729 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793284080] [2021-06-17 06:11:50,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:11:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:11:50,924 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-17 06:11:50,924 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:11:50,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793284080] [2021-06-17 06:11:50,925 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793284080] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:50,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819133319] [2021-06-17 06:11:50,925 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 [2021-06-17 06:11:50,978 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-17 06:11:50,978 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:11:50,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-17 06:11:50,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:11:51,303 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:11:51,304 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819133319] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:51,304 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:11:51,304 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2021-06-17 06:11:51,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353115609] [2021-06-17 06:11:51,305 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-17 06:11:51,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:11:51,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-17 06:11:51,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2021-06-17 06:11:51,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:51,306 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:11:51,306 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 26 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) [2021-06-17 06:11:51,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:51,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:51,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:51,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:51,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:11:51,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:11:51,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:11:51,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:51,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:11:51,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:11:51,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:51,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:11:51,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:11:51,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:51,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:51,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:51,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:51,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:51,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:11:51,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:11:51,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:11:51,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:51,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:11:51,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:11:51,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:51,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:11:51,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:11:51,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:11:52,008 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable315,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:11:52,009 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:11:52,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:11:52,009 INFO L82 PathProgramCache]: Analyzing trace with hash -673226924, now seen corresponding path program 13 times [2021-06-17 06:11:52,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:11:52,009 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240597392] [2021-06-17 06:11:52,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:11:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:11:52,238 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-17 06:11:52,238 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:11:52,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240597392] [2021-06-17 06:11:52,239 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240597392] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:52,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918691713] [2021-06-17 06:11:52,239 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 [2021-06-17 06:11:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:11:52,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-17 06:11:52,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:11:52,503 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-17 06:11:52,503 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918691713] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:52,503 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 06:11:52,503 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-06-17 06:11:52,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478436679] [2021-06-17 06:11:52,506 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-17 06:11:52,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 06:11:52,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-17 06:11:52,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2021-06-17 06:11:52,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:52,507 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 06:11:52,507 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 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) [2021-06-17 06:11:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:52,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:52,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:11:52,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:11:52,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:11:52,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:52,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:11:52,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:11:52,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:52,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:11:52,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:11:52,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:11:52,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 06:11:52,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 06:11:52,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:52,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 06:11:52,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 06:11:52,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 06:11:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 06:11:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 06:11:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 06:11:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 06:11:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 06:11:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 06:11:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 06:11:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 06:11:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 06:11:53,074 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable316 [2021-06-17 06:11:53,074 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 06:11:53,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 06:11:53,075 INFO L82 PathProgramCache]: Analyzing trace with hash 669054388, now seen corresponding path program 14 times [2021-06-17 06:11:53,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 06:11:53,075 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612068557] [2021-06-17 06:11:53,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 06:11:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 06:11:53,193 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 06:11:53,194 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 06:11:53,194 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612068557] [2021-06-17 06:11:53,194 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612068557] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 06:11:53,194 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664968956] [2021-06-17 06:11:53,194 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 06:11:53,242 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 06:11:53,243 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 06:11:53,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-17 06:11:53,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 06:11:53,916 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-17 06:11:53,917 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 06:11:53,918 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 [2021-06-17 06:11:54,986 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-06-17 06:11:55,138 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-06-17 06:11:56,300 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 299 [2021-06-17 06:11:56,610 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-06-17 06:11:56,866 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-06-17 06:11:57,335 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-06-17 06:11:57,934 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-06-17 06:11:58,936 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-06-17 06:11:59,125 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-06-17 06:11:59,415 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-06-17 06:12:00,266 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-06-17 06:12:01,065 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-06-17 06:12:01,343 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-06-17 06:12:01,717 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-06-17 06:12:02,161 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-06-17 06:12:02,907 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-06-17 06:12:03,826 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-06-17 06:12:05,372 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-06-17 06:12:06,547 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-06-17 06:12:06,765 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-06-17 06:12:07,573 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 344 [2021-06-17 06:12:07,714 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-06-17 06:12:08,113 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-06-17 06:12:08,601 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-06-17 06:12:09,418 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-06-17 06:12:09,591 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-06-17 06:12:09,782 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-06-17 06:12:10,367 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 370 [2021-06-17 06:12:11,058 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-06-17 06:12:11,298 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-06-17 06:12:11,612 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-06-17 06:12:12,011 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-06-17 06:12:12,677 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-06-17 06:12:13,435 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-06-17 06:12:14,794 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-06-17 06:12:18,186 WARN L205 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-06-17 06:12:22,211 WARN L205 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-06-17 06:12:26,792 WARN L205 SmtUtils]: Spent 4.56 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-06-17 06:12:31,291 WARN L205 SmtUtils]: Spent 4.48 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-06-17 06:12:36,543 WARN L205 SmtUtils]: Spent 5.24 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-06-17 06:12:41,512 WARN L205 SmtUtils]: Spent 4.95 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-06-17 06:12:46,851 WARN L205 SmtUtils]: Spent 5.32 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-06-17 06:12:55,364 WARN L205 SmtUtils]: Spent 8.49 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-06-17 06:12:55,537 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-06-17 06:12:56,671 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-06-17 06:12:58,617 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-06-17 06:13:05,402 WARN L205 SmtUtils]: Spent 6.77 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-06-17 06:13:05,718 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-06-17 06:13:06,006 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-06-17 06:13:07,026 WARN L205 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-06-17 06:13:07,417 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-06-17 06:13:07,993 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 258 [2021-06-17 06:13:09,017 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-06-17 06:13:09,243 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-06-17 06:13:09,566 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-06-17 06:13:10,042 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-06-17 06:13:11,052 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-06-17 06:13:11,440 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-06-17 06:13:11,762 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-06-17 06:13:12,243 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-06-17 06:13:13,326 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-06-17 06:13:14,535 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 253 [2021-06-17 06:13:14,768 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-06-17 06:13:15,061 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-06-17 06:13:16,032 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-06-17 06:13:16,284 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-06-17 06:13:16,614 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-06-17 06:13:17,591 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-06-17 06:13:17,795 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-06-17 06:13:18,082 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-06-17 06:13:18,442 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-06-17 06:13:19,215 WARN L205 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-06-17 06:13:20,258 WARN L205 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-06-17 06:13:21,016 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2021-06-17 06:13:21,161 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-06-17 06:13:21,344 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-06-17 06:13:21,585 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-06-17 06:13:21,905 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-06-17 06:13:22,954 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-06-17 06:13:23,113 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-06-17 06:13:23,329 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-06-17 06:13:23,621 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-06-17 06:13:23,988 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-06-17 06:13:24,748 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-06-17 06:13:26,680 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-06-17 06:13:29,812 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-06-17 06:13:33,413 WARN L205 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-06-17 06:13:38,064 WARN L205 SmtUtils]: Spent 4.64 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-06-17 06:13:39,180 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-06-17 06:13:39,558 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-06-17 06:13:40,163 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-06-17 06:13:41,032 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 219 [2021-06-17 06:13:41,288 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-06-17 06:13:41,502 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-06-17 06:13:41,786 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-06-17 06:13:42,229 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-06-17 06:13:42,418 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-06-17 06:13:43,416 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-06-17 06:13:43,609 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-06-17 06:13:44,567 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-06-17 06:13:44,746 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-06-17 06:13:45,164 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-06-17 06:13:45,745 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-06-17 06:13:46,551 WARN L205 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-06-17 06:13:47,804 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-06-17 06:13:49,542 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-06-17 06:13:50,235 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-06-17 06:13:50,853 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-06-17 06:13:51,254 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-06-17 06:13:51,367 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-06-17 06:13:53,105 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-06-17 06:13:53,282 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-06-17 06:13:53,583 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-06-17 06:13:54,220 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-06-17 06:13:55,197 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-06-17 06:13:56,598 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-06-17 06:14:00,066 WARN L205 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-06-17 06:14:04,165 WARN L205 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-06-17 06:14:09,950 WARN L205 SmtUtils]: Spent 5.77 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-06-17 06:14:21,360 WARN L205 SmtUtils]: Spent 11.39 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-06-17 06:14:22,638 WARN L205 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-06-17 06:14:23,223 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-06-17 06:14:24,031 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-06-17 06:14:24,535 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-06-17 06:14:25,391 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-06-17 06:14:25,614 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-06-17 06:14:25,837 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-06-17 06:14:26,762 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-06-17 06:14:27,626 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-06-17 06:14:28,571 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-06-17 06:14:29,721 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-06-17 06:14:30,160 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-06-17 06:14:30,966 WARN L205 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-06-17 06:14:31,990 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-06-17 06:14:33,239 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-06-17 06:14:34,572 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-06-17 06:14:36,509 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-06-17 06:14:39,153 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-06-17 06:14:40,007 WARN L205 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-06-17 06:14:40,401 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-06-17 06:14:40,699 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-06-17 06:14:42,000 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-06-17 06:14:42,914 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-06-17 06:14:43,203 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-06-17 06:14:43,606 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-06-17 06:14:44,332 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-06-17 06:14:45,405 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-06-17 06:14:45,587 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-06-17 06:14:46,282 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-06-17 06:14:46,474 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-06-17 06:14:46,767 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-06-17 06:14:48,085 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-06-17 06:14:50,013 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-06-17 06:14:55,072 WARN L205 SmtUtils]: Spent 5.05 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-06-17 06:15:02,015 WARN L205 SmtUtils]: Spent 6.93 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-06-17 06:15:09,810 WARN L205 SmtUtils]: Spent 7.78 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-06-17 06:15:10,524 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-06-17 06:15:11,341 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-06-17 06:15:11,523 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-06-17 06:15:12,253 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-06-17 06:15:13,251 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-06-17 06:15:13,414 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-06-17 06:15:13,651 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-06-17 06:15:13,969 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-06-17 06:15:14,363 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-06-17 06:15:14,847 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-06-17 06:15:15,425 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-06-17 06:15:16,772 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-06-17 06:15:17,048 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-06-17 06:15:17,406 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-06-17 06:15:17,972 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-06-17 06:15:18,551 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-06-17 06:15:19,405 WARN L205 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-06-17 06:15:20,827 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-06-17 06:15:21,795 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-06-17 06:15:21,969 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-06-17 06:15:22,237 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-06-17 06:15:22,595 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-06-17 06:15:22,799 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-06-17 06:15:23,504 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-06-17 06:15:23,758 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-06-17 06:15:24,067 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-06-17 06:15:24,838 WARN L205 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-06-17 06:15:25,958 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-06-17 06:15:28,538 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-06-17 06:15:31,911 WARN L205 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-06-17 06:15:32,060 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-06-17 06:15:32,687 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-06-17 06:15:32,882 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-06-17 06:15:33,529 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-06-17 06:15:34,005 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-06-17 06:15:34,139 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 280 [2021-06-17 06:15:35,166 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-06-17 06:15:35,323 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-06-17 06:15:35,529 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-06-17 06:15:35,836 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-06-17 06:15:36,251 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-06-17 06:15:37,160 WARN L205 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-06-17 06:15:38,412 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-06-17 06:15:39,556 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-06-17 06:15:39,743 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-06-17 06:15:40,018 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-06-17 06:15:40,360 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-06-17 06:15:40,739 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-06-17 06:15:42,548 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-06-17 06:15:47,990 WARN L205 SmtUtils]: Spent 5.43 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-06-17 06:15:54,286 WARN L205 SmtUtils]: Spent 6.28 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-06-17 06:16:09,897 WARN L205 SmtUtils]: Spent 15.59 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-06-17 06:16:39,490 WARN L205 SmtUtils]: Spent 29.57 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-06-17 06:16:40,419 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 249 [2021-06-17 06:16:40,570 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-06-17 06:16:40,754 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-06-17 06:17:13,250 WARN L205 SmtUtils]: Spent 32.48 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-06-17 06:17:51,744 WARN L205 SmtUtils]: Spent 38.45 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-06-17 06:17:52,860 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-06-17 06:17:53,064 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-06-17 06:17:53,308 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-06-17 06:18:32,284 WARN L205 SmtUtils]: Spent 38.96 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-06-17 06:19:12,403 WARN L205 SmtUtils]: Spent 40.06 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-06-17 06:20:00,003 WARN L205 SmtUtils]: Spent 47.54 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-06-17 06:20:03,681 WARN L205 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-06-17 06:20:03,847 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-06-17 06:20:05,341 WARN L205 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-06-17 06:20:09,049 WARN L205 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-06-17 06:20:09,205 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-06-17 06:20:09,350 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-06-17 06:20:10,494 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-06-17 06:20:11,215 WARN L205 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-06-17 06:20:12,184 WARN L205 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-06-17 06:20:12,975 WARN L205 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-06-17 06:20:13,326 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-06-17 06:20:14,065 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-06-17 06:20:14,250 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-06-17 06:20:14,655 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-06-17 06:20:15,004 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-06-17 06:20:15,441 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-06-17 06:20:16,816 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 207 [2021-06-17 06:20:17,063 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-06-17 06:20:17,391 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-06-17 06:20:18,224 WARN L205 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-06-17 06:20:19,338 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-06-17 06:20:20,820 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-06-17 06:20:21,740 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-06-17 06:20:22,851 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-06-17 06:20:23,160 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-06-17 06:20:23,877 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-06-17 06:20:24,092 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-06-17 06:20:24,460 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-06-17 06:20:24,587 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 266 [2021-06-17 06:20:24,722 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-06-17 06:20:25,374 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-06-17 06:20:25,563 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-06-17 06:20:26,391 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-06-17 06:20:26,591 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-06-17 06:20:27,010 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-06-17 06:20:27,976 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-06-17 06:20:28,510 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-06-17 06:20:28,802 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-06-17 06:20:29,615 WARN L205 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-06-17 06:20:30,647 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-06-17 06:20:31,971 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-06-17 06:20:33,718 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-06-17 06:20:35,982 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-06-17 06:20:38,789 WARN L205 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-06-17 06:20:43,503 WARN L205 SmtUtils]: Spent 4.71 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-06-17 06:20:49,806 WARN L205 SmtUtils]: Spent 6.29 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-06-17 06:20:50,213 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-06-17 06:20:50,421 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-06-17 06:20:50,632 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-06-17 06:20:50,996 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-06-17 06:20:52,494 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 192 [2021-06-17 06:20:52,636 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-06-17 06:20:52,810 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-06-17 06:20:53,061 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-06-17 06:20:53,474 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-06-17 06:20:54,020 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-06-17 06:20:54,145 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-06-17 06:20:54,317 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-06-17 06:20:55,610 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-06-17 06:20:55,776 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-06-17 06:20:55,989 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-06-17 06:20:56,289 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-06-17 06:20:56,664 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-06-17 06:20:57,269 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-06-17 06:20:57,878 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-06-17 06:20:59,161 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-06-17 06:21:00,624 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-06-17 06:21:02,632 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-06-17 06:21:02,862 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-06-17 06:21:03,144 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-06-17 06:21:03,331 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-06-17 06:21:03,520 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-06-17 06:21:04,609 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 151 [2021-06-17 06:21:04,750 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-06-17 06:21:04,954 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-06-17 06:21:05,213 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-06-17 06:21:05,589 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-06-17 06:21:06,083 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-06-17 06:21:06,266 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-06-17 06:21:06,448 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-06-17 06:21:07,634 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-06-17 06:21:07,815 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-06-17 06:21:08,090 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-06-17 06:21:08,496 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-06-17 06:21:09,526 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-06-17 06:21:10,931 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-06-17 06:21:14,310 WARN L205 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-06-17 06:21:24,163 WARN L205 SmtUtils]: Spent 9.84 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-06-17 06:21:35,658 WARN L205 SmtUtils]: Spent 11.09 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-06-17 06:21:48,859 WARN L205 SmtUtils]: Spent 13.18 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-06-17 06:22:02,268 WARN L205 SmtUtils]: Spent 13.39 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-06-17 06:22:16,049 WARN L205 SmtUtils]: Spent 13.76 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-06-17 06:22:31,754 WARN L205 SmtUtils]: Spent 15.68 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-06-17 06:23:37,321 WARN L205 SmtUtils]: Spent 1.09 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-06-17 06:24:49,143 WARN L205 SmtUtils]: Spent 1.20 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-06-17 06:26:00,995 WARN L205 SmtUtils]: Spent 1.20 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown