/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-Lockstep.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 09:32:49,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 09:32:49,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 09:32:49,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 09:32:49,651 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-Lockstep.epf [2021-06-17 09:32:49,704 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 09:32:49,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 09:32:49,705 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 09:32:49,705 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 09:32:49,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 09:32:49,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 09:32:49,707 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 09:32:49,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 09:32:49,707 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 09:32:49,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 09:32:49,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 09:32:49,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 09:32:49,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 09:32:49,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 09:32:49,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 09:32:49,709 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 09:32:49,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 09:32:49,709 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 09:32:49,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 09:32:49,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 09:32:49,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 09:32:49,709 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 09:32:49,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 09:32:49,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 09:32:49,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 09:32:49,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 09:32:49,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 09:32:49,710 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 09:32:49,710 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-17 09:32:49,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 09:32:49,710 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 09:32:49,711 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 09:32:49,711 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 09:32:49,711 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 09:32:49,711 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 09:32:49,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 09:32:49,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 09:32:49,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 09:32:49,998 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 09:32:49,999 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 09:32:50,000 INFO L432 ainManager$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 09:32:50,000 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 09:32:50,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 09:32:50,029 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 09:32:50,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 09:32:50,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 09:32:50,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 09:32:50,040 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 09:32:50" (1/1) ... [2021-06-17 09:32:50,046 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 09:32:50" (1/1) ... [2021-06-17 09:32:50,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 09:32:50,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 09:32:50,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 09:32:50,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 09:32:50,063 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 09:32:50" (1/1) ... [2021-06-17 09:32:50,063 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 09:32:50" (1/1) ... [2021-06-17 09:32:50,063 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 09:32:50" (1/1) ... [2021-06-17 09:32:50,063 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 09:32:50" (1/1) ... [2021-06-17 09:32:50,065 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 09:32:50" (1/1) ... [2021-06-17 09:32:50,067 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 09:32:50" (1/1) ... [2021-06-17 09:32:50,067 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 09:32:50" (1/1) ... [2021-06-17 09:32:50,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 09:32:50,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 09:32:50,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 09:32:50,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 09:32:50,074 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 09:32:50" (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 09:32:50,134 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 09:32:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 09:32:50,134 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 09:32:50,134 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 09:32:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 09:32:50,135 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 09:32:50,135 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 09:32:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 09:32:50,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 09:32:50,137 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 09:32:50,414 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 09:32:50,414 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-17 09:32:50,416 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-17 09:32:50,416 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-17 09:32:50,417 INFO L202 PluginConnector]: Adding new model unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 09:32:50 BoogieIcfgContainer [2021-06-17 09:32:50,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 09:32:50,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 09:32:50,419 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 09:32:50,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 09:32:50,421 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 09:32:50" (1/2) ... [2021-06-17 09:32:50,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26b6c07e and model type unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 09:32:50, skipping insertion in model container [2021-06-17 09:32:50,422 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 09:32:50" (2/2) ... [2021-06-17 09:32:50,423 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.bpl [2021-06-17 09:32:50,429 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 09:32:50,429 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 09:32:50,429 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 09:32:50,430 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 09:32:50,470 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-17 09:32:50,485 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 09:32:50,536 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 09:32:50,536 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 09:32:50,536 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 09:32:50,536 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 09:32:50,536 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 09:32:50,536 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 09:32:50,536 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 09:32:50,536 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 09:32:50,592 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:32:50,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:32:50,601 INFO L82 PathProgramCache]: Analyzing trace with hash -525039273, now seen corresponding path program 1 times [2021-06-17 09:32:50,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:32:50,607 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051225668] [2021-06-17 09:32:50,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:32:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:32:50,719 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 09:32:50,720 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:32:50,720 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051225668] [2021-06-17 09:32:50,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051225668] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 09:32:50,721 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 09:32:50,721 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-17 09:32:50,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144177258] [2021-06-17 09:32:50,725 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 09:32:50,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:32:50,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 09:32:50,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 09:32:50,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:50,739 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:32:50,741 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 09:32:50,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:50,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:32:50,773 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 09:32:50,773 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:32:50,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:32:50,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1039579977, now seen corresponding path program 1 times [2021-06-17 09:32:50,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:32:50,776 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498278098] [2021-06-17 09:32:50,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:32:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:32:50,847 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 09:32:50,847 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:32:50,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498278098] [2021-06-17 09:32:50,847 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498278098] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:32:50,848 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415785085] [2021-06-17 09:32:50,848 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 09:32:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:32:50,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-17 09:32:50,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:32:50,958 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 09:32:50,959 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415785085] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:32:50,960 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:32:50,960 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-06-17 09:32:50,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364233967] [2021-06-17 09:32:50,964 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-17 09:32:50,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:32:50,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-17 09:32:50,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-17 09:32:50,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:50,969 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:32:50,969 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 09:32:50,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:32:50,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:51,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:32:51,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:51,225 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:32:51,225 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:32:51,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:32:51,226 INFO L82 PathProgramCache]: Analyzing trace with hash -2133775116, now seen corresponding path program 1 times [2021-06-17 09:32:51,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:32:51,229 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964855521] [2021-06-17 09:32:51,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:32:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:32:51,267 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 09:32:51,267 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:32:51,267 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964855521] [2021-06-17 09:32:51,267 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964855521] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:32:51,267 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986968779] [2021-06-17 09:32:51,268 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 09:32:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:32:51,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-17 09:32:51,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:32:51,347 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 09:32:51,348 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986968779] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:32:51,348 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:32:51,348 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-17 09:32:51,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752577085] [2021-06-17 09:32:51,349 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 09:32:51,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:32:51,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 09:32:51,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 09:32:51,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:51,349 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:32:51,350 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 09:32:51,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:32:51,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:51,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:51,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:32:51,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:51,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:51,577 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:32:51,577 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:32:51,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:32:51,578 INFO L82 PathProgramCache]: Analyzing trace with hash 629216442, now seen corresponding path program 2 times [2021-06-17 09:32:51,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:32:51,578 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139377220] [2021-06-17 09:32:51,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:32:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:32:51,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:32:51,626 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:32:51,626 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139377220] [2021-06-17 09:32:51,626 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139377220] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:32:51,626 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468459855] [2021-06-17 09:32:51,626 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 09:32:51,662 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 09:32:51,662 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:32:51,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-17 09:32:51,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:32:51,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:32:51,761 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468459855] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:32:51,761 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:32:51,761 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-06-17 09:32:51,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979455179] [2021-06-17 09:32:51,761 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-17 09:32:51,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:32:51,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-17 09:32:51,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-17 09:32:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:51,762 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:32:51,762 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 09:32:51,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:32:51,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:51,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:51,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:51,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:32:51,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:51,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:51,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:32:52,028 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:32:52,029 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:32:52,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:32:52,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1431854884, now seen corresponding path program 3 times [2021-06-17 09:32:52,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:32:52,030 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658818934] [2021-06-17 09:32:52,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:32:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:32:52,080 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:32:52,080 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:32:52,081 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658818934] [2021-06-17 09:32:52,081 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658818934] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:32:52,081 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624957597] [2021-06-17 09:32:52,081 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 09:32:52,117 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-17 09:32:52,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:32:52,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-17 09:32:52,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:32:52,178 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:32:52,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624957597] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:32:52,178 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:32:52,178 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-17 09:32:52,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594531536] [2021-06-17 09:32:52,179 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-17 09:32:52,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:32:52,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-17 09:32:52,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-17 09:32:52,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:52,180 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:32:52,180 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 09:32:52,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:32:52,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:52,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:52,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:32:52,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:52,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:32:52,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:52,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:52,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:32:52,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:32:52,445 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:32:52,446 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:32:52,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:32:52,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1402717340, now seen corresponding path program 4 times [2021-06-17 09:32:52,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:32:52,446 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338418224] [2021-06-17 09:32:52,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:32:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:32:52,498 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 09:32:52,498 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:32:52,498 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338418224] [2021-06-17 09:32:52,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338418224] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:32:52,499 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075089120] [2021-06-17 09:32:52,500 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 09:32:52,525 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 09:32:52,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:32:52,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-17 09:32:52,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:32:52,672 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:32:52,672 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 09:32:52,748 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 09:32:52,750 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:32:52,750 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 09:32:52,750 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-06-17 09:32:52,756 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 09:32:52,756 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075089120] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:32:52,756 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:32:52,756 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-06-17 09:32:52,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145234208] [2021-06-17 09:32:52,757 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-17 09:32:52,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:32:52,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-17 09:32:52,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-06-17 09:32:52,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:52,757 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:32:52,758 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 09:32:52,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:32:52,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:52,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:52,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:32:52,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:32:52,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:52,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:32:52,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:52,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:52,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:32:52,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:32:52,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:32:53,044 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:32:53,045 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:32:53,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:32:53,045 INFO L82 PathProgramCache]: Analyzing trace with hash 2109865252, now seen corresponding path program 5 times [2021-06-17 09:32:53,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:32:53,046 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088757154] [2021-06-17 09:32:53,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:32:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:32:53,125 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:32:53,125 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:32:53,125 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088757154] [2021-06-17 09:32:53,125 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088757154] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:32:53,125 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423778064] [2021-06-17 09:32:53,125 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 09:32:53,165 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-17 09:32:53,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:32:53,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-17 09:32:53,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:32:53,216 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 09:32:53,216 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423778064] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:32:53,217 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:32:53,217 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 11 [2021-06-17 09:32:53,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487791796] [2021-06-17 09:32:53,217 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-17 09:32:53,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:32:53,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-17 09:32:53,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-06-17 09:32:53,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:53,218 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:32:53,218 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 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 09:32:53,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:32:53,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:53,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:53,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:32:53,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:32:53,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:32:53,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:53,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:32:53,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:53,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:53,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:32:53,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:32:53,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:32:53,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 09:32:53,548 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-17 09:32:53,549 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:32:53,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:32:53,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1995445183, now seen corresponding path program 6 times [2021-06-17 09:32:53,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:32:53,550 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819797362] [2021-06-17 09:32:53,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:32:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:32:53,591 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:32:53,591 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:32:53,591 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819797362] [2021-06-17 09:32:53,591 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819797362] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:32:53,591 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546382119] [2021-06-17 09:32:53,592 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 09:32:53,618 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-17 09:32:53,618 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:32:53,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-17 09:32:53,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:32:53,686 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:32:53,686 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546382119] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:32:53,686 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:32:53,686 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-06-17 09:32:53,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384414437] [2021-06-17 09:32:53,686 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-17 09:32:53,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:32:53,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-17 09:32:53,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-06-17 09:32:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:53,687 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:32:53,687 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 09:32:53,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:32:53,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:53,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:53,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:32:53,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:32:53,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:32:53,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 09:32:53,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:53,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:32:53,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:53,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:53,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:32:53,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:32:53,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:32:53,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 09:32:53,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:32:53,959 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-17 09:32:53,959 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:32:53,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:32:53,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1031556159, now seen corresponding path program 7 times [2021-06-17 09:32:53,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:32:53,960 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450300338] [2021-06-17 09:32:53,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:32:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:32:54,046 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-17 09:32:54,047 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:32:54,047 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450300338] [2021-06-17 09:32:54,047 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450300338] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:32:54,047 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310396792] [2021-06-17 09:32:54,047 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 09:32:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:32:54,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-17 09:32:54,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:32:54,357 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-06-17 09:32:54,358 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:32:54,358 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 09:32:55,213 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 263 [2021-06-17 09:32:55,317 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 266 [2021-06-17 09:32:55,539 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 274 [2021-06-17 09:32:56,281 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 239 [2021-06-17 09:32:57,067 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 09:32:57,069 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:32:57,069 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 09:32:57,069 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-06-17 09:32:57,075 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 09:32:57,075 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310396792] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:32:57,075 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:32:57,076 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12] total 19 [2021-06-17 09:32:57,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889937629] [2021-06-17 09:32:57,078 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-17 09:32:57,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:32:57,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-17 09:32:57,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-06-17 09:32:57,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:57,081 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:32:57,081 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.6) internal successors, (32), 19 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 09:32:57,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:32:57,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:57,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:57,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:32:57,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:32:57,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:32:57,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 09:32:57,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:32:57,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:57,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:32:57,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:57,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:57,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:32:57,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:32:57,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:32:57,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 09:32:57,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:32:57,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:32:57,409 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-17 09:32:57,409 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:32:57,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:32:57,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1104117793, now seen corresponding path program 8 times [2021-06-17 09:32:57,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:32:57,410 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264840008] [2021-06-17 09:32:57,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:32:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:32:57,512 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 32 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:32:57,512 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:32:57,512 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264840008] [2021-06-17 09:32:57,513 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264840008] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:32:57,513 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279014465] [2021-06-17 09:32:57,513 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 09:32:57,542 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 09:32:57,542 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:32:57,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-17 09:32:57,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:32:57,595 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 38 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 09:32:57,595 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279014465] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:32:57,595 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:32:57,595 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 16 [2021-06-17 09:32:57,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377553271] [2021-06-17 09:32:57,596 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-17 09:32:57,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:32:57,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-17 09:32:57,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2021-06-17 09:32:57,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:57,597 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:32:57,597 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.588235294117647) internal successors, (27), 16 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 09:32:57,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:32:57,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:57,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:57,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:32:57,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:32:57,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:32:57,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 09:32:57,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:32:57,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:32:57,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:57,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:32:57,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:57,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:57,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:32:57,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:32:57,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:32:57,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 09:32:57,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:32:57,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:32:57,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 09:32:58,034 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable311 [2021-06-17 09:32:58,035 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:32:58,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:32:58,035 INFO L82 PathProgramCache]: Analyzing trace with hash -170690721, now seen corresponding path program 9 times [2021-06-17 09:32:58,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:32:58,035 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655178972] [2021-06-17 09:32:58,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:32:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:32:58,125 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:32:58,125 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:32:58,125 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655178972] [2021-06-17 09:32:58,125 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655178972] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:32:58,125 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268447713] [2021-06-17 09:32:58,125 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 09:32:58,155 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-17 09:32:58,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:32:58,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-17 09:32:58,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:32:58,256 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:32:58,256 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268447713] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:32:58,257 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:32:58,257 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-06-17 09:32:58,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134022266] [2021-06-17 09:32:58,257 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-17 09:32:58,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:32:58,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-17 09:32:58,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-06-17 09:32:58,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:58,258 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:32:58,258 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.8125) internal successors, (29), 15 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 09:32:58,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:32:58,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:58,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:58,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:32:58,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:32:58,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:32:58,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 09:32:58,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:32:58,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:32:58,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 09:32:58,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:58,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:32:58,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:58,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:58,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:32:58,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:32:58,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:32:58,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 09:32:58,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:32:58,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:32:58,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 09:32:58,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:32:58,636 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable312 [2021-06-17 09:32:58,637 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:32:58,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:32:58,638 INFO L82 PathProgramCache]: Analyzing trace with hash -575523042, now seen corresponding path program 10 times [2021-06-17 09:32:58,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:32:58,638 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459905467] [2021-06-17 09:32:58,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:32:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:32:58,775 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:32:58,775 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:32:58,775 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459905467] [2021-06-17 09:32:58,775 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459905467] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:32:58,776 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16303090] [2021-06-17 09:32:58,776 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 09:32:58,805 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 09:32:58,805 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:32:58,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-17 09:32:58,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:32:58,913 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:32:58,914 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16303090] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:32:58,914 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:32:58,914 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 20 [2021-06-17 09:32:58,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777496239] [2021-06-17 09:32:58,915 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-17 09:32:58,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:32:58,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-17 09:32:58,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2021-06-17 09:32:58,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:58,915 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:32:58,916 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 09:32:58,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:32:58,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:58,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:58,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:32:58,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:32:58,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:32:58,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 09:32:58,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:32:58,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:32:58,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 09:32:58,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:32:58,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:59,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:32:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:32:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:32:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:32:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 09:32:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:32:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:32:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 09:32:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:32:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 09:32:59,469 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable313,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:32:59,469 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:32:59,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:32:59,470 INFO L82 PathProgramCache]: Analyzing trace with hash -696456222, now seen corresponding path program 11 times [2021-06-17 09:32:59,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:32:59,470 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200642050] [2021-06-17 09:32:59,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:32:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:32:59,633 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:32:59,633 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:32:59,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200642050] [2021-06-17 09:32:59,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200642050] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:32:59,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323648897] [2021-06-17 09:32:59,633 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 09:32:59,682 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-17 09:32:59,682 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:32:59,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-17 09:32:59,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:32:59,835 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:32:59,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323648897] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:32:59,836 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:32:59,836 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2021-06-17 09:32:59,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153523537] [2021-06-17 09:32:59,836 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-17 09:32:59,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:32:59,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-17 09:32:59,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2021-06-17 09:32:59,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:32:59,837 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:32:59,837 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.6818181818181819) internal successors, (37), 21 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 09:32:59,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:32:59,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:59,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:32:59,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:32:59,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:32:59,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:32:59,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 09:32:59,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:32:59,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:32:59,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 09:32:59,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:32:59,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 09:32:59,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:33:00,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:33:00,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:33:00,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:33:00,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:33:00,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:33:00,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:33:00,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 09:33:00,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:33:00,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:33:00,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 09:33:00,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:33:00,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 09:33:00,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 09:33:00,409 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable314 [2021-06-17 09:33:00,409 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:33:00,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:33:00,410 INFO L82 PathProgramCache]: Analyzing trace with hash -150417506, now seen corresponding path program 12 times [2021-06-17 09:33:00,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:33:00,410 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121141481] [2021-06-17 09:33:00,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:33:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:33:00,576 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:33:00,577 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:33:00,577 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121141481] [2021-06-17 09:33:00,577 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121141481] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:33:00,577 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687406927] [2021-06-17 09:33:00,577 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 09:33:00,609 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-17 09:33:00,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:33:00,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-17 09:33:00,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:33:00,789 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:33:00,789 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687406927] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:33:00,790 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:33:00,790 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-06-17 09:33:00,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308751264] [2021-06-17 09:33:00,790 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-17 09:33:00,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:33:00,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-17 09:33:00,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2021-06-17 09:33:00,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:33:00,791 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:33:00,791 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.625) internal successors, (39), 23 states have internal predecessors, (39), 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 09:33:00,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:33:00,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:33:00,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:33:00,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:33:00,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:33:00,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:33:00,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 09:33:00,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:33:00,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:33:00,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 09:33:00,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:33:00,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 09:33:00,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 09:33:00,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:33:01,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:33:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:33:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:33:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:33:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:33:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:33:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 09:33:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 09:33:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-17 09:33:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 09:33:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 09:33:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 09:33:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 09:33:01,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 09:33:01,384 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable315,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:33:01,384 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:33:01,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:33:01,384 INFO L82 PathProgramCache]: Analyzing trace with hash -403086494, now seen corresponding path program 13 times [2021-06-17 09:33:01,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:33:01,384 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263752803] [2021-06-17 09:33:01,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:33:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:33:01,460 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-17 09:33:01,460 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:33:01,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263752803] [2021-06-17 09:33:01,460 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263752803] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:33:01,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849983586] [2021-06-17 09:33:01,460 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 09:33:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:33:01,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-17 09:33:01,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:33:02,097 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-17 09:33:02,097 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 09:33:02,098 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 09:33:02,943 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-06-17 09:33:03,096 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-06-17 09:33:04,318 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-06-17 09:33:04,568 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-06-17 09:33:05,032 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-06-17 09:33:05,572 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-06-17 09:33:06,428 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-06-17 09:33:06,603 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-06-17 09:33:06,825 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-06-17 09:33:07,528 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-06-17 09:33:08,181 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-06-17 09:33:08,466 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-06-17 09:33:08,818 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-06-17 09:33:09,253 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-06-17 09:33:10,005 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-06-17 09:33:10,864 WARN L205 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-06-17 09:33:12,384 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-06-17 09:33:13,452 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-06-17 09:33:13,664 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-06-17 09:33:14,437 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-06-17 09:33:14,827 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-06-17 09:33:15,291 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-06-17 09:33:16,003 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-06-17 09:33:16,151 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-06-17 09:33:16,339 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-06-17 09:33:17,479 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-06-17 09:33:17,721 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-06-17 09:33:18,028 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-06-17 09:33:18,418 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-06-17 09:33:19,050 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-06-17 09:33:19,809 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-06-17 09:33:21,144 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-06-17 09:33:24,466 WARN L205 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-06-17 09:33:28,309 WARN L205 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-06-17 09:33:32,700 WARN L205 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-06-17 09:33:37,102 WARN L205 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-06-17 09:33:42,334 WARN L205 SmtUtils]: Spent 5.22 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-06-17 09:33:47,182 WARN L205 SmtUtils]: Spent 4.82 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-06-17 09:33:52,415 WARN L205 SmtUtils]: Spent 5.21 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-06-17 09:34:00,605 WARN L205 SmtUtils]: Spent 8.17 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-06-17 09:34:00,784 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-06-17 09:34:01,881 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-06-17 09:34:03,803 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-06-17 09:34:10,438 WARN L205 SmtUtils]: Spent 6.62 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-06-17 09:34:10,751 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-06-17 09:34:11,043 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-06-17 09:34:12,023 WARN L205 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-06-17 09:34:12,322 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-06-17 09:34:13,840 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-06-17 09:34:14,061 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-06-17 09:34:14,370 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-06-17 09:34:14,849 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-06-17 09:34:15,825 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-06-17 09:34:16,170 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-06-17 09:34:16,481 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-06-17 09:34:16,956 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-06-17 09:34:18,009 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-06-17 09:34:19,357 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-06-17 09:34:19,650 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-06-17 09:34:20,633 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-06-17 09:34:20,873 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-06-17 09:34:21,192 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-06-17 09:34:22,096 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-06-17 09:34:22,295 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-06-17 09:34:22,565 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-06-17 09:34:22,904 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-06-17 09:34:23,647 WARN L205 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-06-17 09:34:24,623 WARN L205 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-06-17 09:34:25,513 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-06-17 09:34:25,683 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-06-17 09:34:25,924 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-06-17 09:34:26,232 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-06-17 09:34:27,227 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-06-17 09:34:27,378 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-06-17 09:34:27,592 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-06-17 09:34:27,866 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-06-17 09:34:28,226 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-06-17 09:34:28,963 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-06-17 09:34:30,827 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-06-17 09:34:33,857 WARN L205 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-06-17 09:34:37,368 WARN L205 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-06-17 09:34:41,868 WARN L205 SmtUtils]: Spent 4.49 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-06-17 09:34:42,984 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-06-17 09:34:43,354 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-06-17 09:34:43,951 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-06-17 09:34:44,755 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 219 [2021-06-17 09:34:44,989 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-06-17 09:34:45,197 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-06-17 09:34:45,464 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-06-17 09:34:45,863 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-06-17 09:34:46,061 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-06-17 09:34:47,062 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-06-17 09:34:47,251 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-06-17 09:34:48,183 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-06-17 09:34:48,346 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-06-17 09:34:48,747 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-06-17 09:34:49,298 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-06-17 09:34:50,085 WARN L205 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-06-17 09:34:51,338 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-06-17 09:34:53,076 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-06-17 09:34:53,775 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-06-17 09:34:54,397 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-06-17 09:34:54,787 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-06-17 09:34:54,901 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-06-17 09:34:56,497 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 224 [2021-06-17 09:34:56,629 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-06-17 09:34:56,788 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-06-17 09:34:57,098 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-06-17 09:34:57,733 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-06-17 09:34:58,704 WARN L205 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-06-17 09:35:00,093 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-06-17 09:35:03,573 WARN L205 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-06-17 09:35:07,547 WARN L205 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-06-17 09:35:13,225 WARN L205 SmtUtils]: Spent 5.67 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-06-17 09:35:24,462 WARN L205 SmtUtils]: Spent 11.22 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-06-17 09:35:25,727 WARN L205 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-06-17 09:35:26,309 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-06-17 09:35:27,107 WARN L205 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-06-17 09:35:27,611 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-06-17 09:35:28,432 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-06-17 09:35:28,639 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-06-17 09:35:28,864 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-06-17 09:35:29,759 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-06-17 09:35:30,616 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-06-17 09:35:31,554 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-06-17 09:35:32,637 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-06-17 09:35:33,068 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-06-17 09:35:33,878 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-06-17 09:35:34,867 WARN L205 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-06-17 09:35:36,100 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-06-17 09:35:37,409 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-06-17 09:35:39,339 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-06-17 09:35:41,955 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-06-17 09:35:42,794 WARN L205 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-06-17 09:35:43,167 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-06-17 09:35:43,466 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-06-17 09:35:44,743 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-06-17 09:35:45,621 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-06-17 09:35:45,897 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-06-17 09:35:46,295 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-06-17 09:35:47,025 WARN L205 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-06-17 09:35:48,075 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-06-17 09:35:48,252 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-06-17 09:35:48,932 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-06-17 09:35:49,117 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-06-17 09:35:49,399 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-06-17 09:35:50,688 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-06-17 09:35:52,573 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-06-17 09:35:57,505 WARN L205 SmtUtils]: Spent 4.92 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-06-17 09:36:04,287 WARN L205 SmtUtils]: Spent 6.77 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-06-17 09:36:11,960 WARN L205 SmtUtils]: Spent 7.66 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-06-17 09:36:12,633 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-06-17 09:36:13,357 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-06-17 09:36:13,523 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-06-17 09:36:14,237 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-06-17 09:36:15,179 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-06-17 09:36:15,334 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-06-17 09:36:15,566 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-06-17 09:36:15,866 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-06-17 09:36:16,245 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-06-17 09:36:16,715 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-06-17 09:36:17,276 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-06-17 09:36:18,571 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-06-17 09:36:18,827 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-06-17 09:36:19,166 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-06-17 09:36:19,639 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-06-17 09:36:20,185 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-06-17 09:36:20,842 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-06-17 09:36:22,210 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-06-17 09:36:23,126 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-06-17 09:36:23,294 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-06-17 09:36:23,546 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-06-17 09:36:23,882 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-06-17 09:36:24,080 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-06-17 09:36:24,729 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-06-17 09:36:24,960 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-06-17 09:36:25,253 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-06-17 09:36:25,974 WARN L205 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-06-17 09:36:27,082 WARN L205 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-06-17 09:36:29,616 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-06-17 09:36:32,941 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-06-17 09:36:33,083 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-06-17 09:36:33,719 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-06-17 09:36:33,914 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-06-17 09:36:34,512 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-06-17 09:36:34,862 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-06-17 09:36:35,917 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-06-17 09:36:36,063 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-06-17 09:36:36,262 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-06-17 09:36:36,562 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-06-17 09:36:36,979 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-06-17 09:36:37,859 WARN L205 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-06-17 09:36:39,067 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-06-17 09:36:40,162 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-06-17 09:36:40,340 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-06-17 09:36:40,584 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-06-17 09:36:40,871 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-06-17 09:36:41,247 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-06-17 09:36:43,056 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-06-17 09:36:48,370 WARN L205 SmtUtils]: Spent 5.31 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-06-17 09:36:54,425 WARN L205 SmtUtils]: Spent 6.04 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-06-17 09:37:09,481 WARN L205 SmtUtils]: Spent 15.04 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-06-17 09:37:38,458 WARN L205 SmtUtils]: Spent 28.95 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-06-17 09:37:39,515 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-06-17 09:37:39,713 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-06-17 09:38:12,063 WARN L205 SmtUtils]: Spent 32.33 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-06-17 09:38:50,574 WARN L205 SmtUtils]: Spent 38.46 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-06-17 09:38:51,590 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 285 [2021-06-17 09:38:51,709 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-06-17 09:38:51,908 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-06-17 09:38:52,159 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-06-17 09:39:31,218 WARN L205 SmtUtils]: Spent 39.04 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-06-17 09:40:10,925 WARN L205 SmtUtils]: Spent 39.65 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-06-17 09:40:58,045 WARN L205 SmtUtils]: Spent 47.06 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-06-17 09:41:01,658 WARN L205 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-06-17 09:41:01,818 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-06-17 09:41:03,269 WARN L205 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-06-17 09:41:03,915 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 240 [2021-06-17 09:41:06,899 WARN L205 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-06-17 09:41:07,055 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-06-17 09:41:07,200 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-06-17 09:41:08,342 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-06-17 09:41:09,063 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-06-17 09:41:10,038 WARN L205 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-06-17 09:41:10,822 WARN L205 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-06-17 09:41:11,167 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-06-17 09:41:11,914 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-06-17 09:41:12,090 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-06-17 09:41:12,487 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-06-17 09:41:12,844 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-06-17 09:41:13,278 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-06-17 09:41:14,880 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-06-17 09:41:15,206 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-06-17 09:41:16,025 WARN L205 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-06-17 09:41:17,099 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-06-17 09:41:18,573 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-06-17 09:41:19,509 WARN L205 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-06-17 09:41:20,644 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-06-17 09:41:20,951 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-06-17 09:41:21,655 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-06-17 09:41:21,881 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-06-17 09:41:22,242 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-06-17 09:41:22,492 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-06-17 09:41:23,161 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-06-17 09:41:23,341 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-06-17 09:41:24,189 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-06-17 09:41:24,384 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-06-17 09:41:24,811 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-06-17 09:41:25,762 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-06-17 09:41:26,306 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-06-17 09:41:26,609 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-06-17 09:41:27,436 WARN L205 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-06-17 09:41:28,481 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-06-17 09:41:29,832 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-06-17 09:41:31,603 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-06-17 09:41:33,880 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-06-17 09:41:36,698 WARN L205 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-06-17 09:41:41,393 WARN L205 SmtUtils]: Spent 4.69 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-06-17 09:41:47,682 WARN L205 SmtUtils]: Spent 6.28 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-06-17 09:41:48,093 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-06-17 09:41:48,297 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-06-17 09:41:48,507 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-06-17 09:41:48,856 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-06-17 09:41:50,424 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-06-17 09:41:50,605 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-06-17 09:41:50,852 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-06-17 09:41:51,250 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-06-17 09:41:51,790 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-06-17 09:41:51,912 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-06-17 09:41:52,078 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-06-17 09:41:53,311 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-06-17 09:41:53,477 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-06-17 09:41:53,687 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-06-17 09:41:53,988 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-06-17 09:41:54,366 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-06-17 09:41:54,949 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-06-17 09:41:55,550 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-06-17 09:41:56,805 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-06-17 09:41:58,264 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-06-17 09:42:00,235 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-06-17 09:42:00,477 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-06-17 09:42:00,734 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-06-17 09:42:00,911 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-06-17 09:42:01,092 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-06-17 09:42:02,240 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-06-17 09:42:02,432 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-06-17 09:42:02,695 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-06-17 09:42:03,044 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-06-17 09:42:03,537 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-06-17 09:42:03,720 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-06-17 09:42:03,907 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-06-17 09:42:05,026 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-06-17 09:42:05,206 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-06-17 09:42:05,478 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-06-17 09:42:05,878 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-06-17 09:42:06,880 WARN L205 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-06-17 09:42:08,204 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-06-17 09:42:11,620 WARN L205 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-06-17 09:42:21,326 WARN L205 SmtUtils]: Spent 9.70 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-06-17 09:42:32,669 WARN L205 SmtUtils]: Spent 10.96 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-06-17 09:42:45,676 WARN L205 SmtUtils]: Spent 12.99 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-06-17 09:42:59,054 WARN L205 SmtUtils]: Spent 13.35 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-06-17 09:43:12,666 WARN L205 SmtUtils]: Spent 13.59 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-06-17 09:43:28,242 WARN L205 SmtUtils]: Spent 15.55 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-06-17 09:44:33,368 WARN L205 SmtUtils]: Spent 1.08 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-06-17 09:45:44,455 WARN L205 SmtUtils]: Spent 1.18 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-06-17 09:46:54,591 WARN L205 SmtUtils]: Spent 1.17 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