/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-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 18:12:54,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 18:12:54,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 18:12:54,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 18:12:54,703 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 [2021-07-14 18:12:54,731 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 18:12:54,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 18:12:54,732 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 18:12:54,732 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 18:12:54,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 18:12:54,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 18:12:54,734 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 18:12:54,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 18:12:54,735 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 18:12:54,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 18:12:54,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 18:12:54,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 18:12:54,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 18:12:54,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 18:12:54,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 18:12:54,736 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 18:12:54,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 18:12:54,736 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 18:12:54,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 18:12:54,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 18:12:54,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 18:12:54,737 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 18:12:54,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 18:12:54,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 18:12:54,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 18:12:54,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 18:12:54,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 18:12:54,738 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 18:12:54,738 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 18:12:54,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 18:12:54,738 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 18:12:54,738 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 18:12:54,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 18:12:54,738 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 18:12:54,739 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 18:12:54,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 18:12:55,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 18:12:55,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 18:12:55,015 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 18:12:55,017 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 18:12:55,017 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl [2021-07-14 18:12:55,017 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl' [2021-07-14 18:12:55,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 18:12:55,039 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 18:12:55,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 18:12:55,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 18:12:55,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 18:12:55,049 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 14.07 06:12:55" (1/1) ... [2021-07-14 18:12:55,055 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 14.07 06:12:55" (1/1) ... [2021-07-14 18:12:55,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 18:12:55,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 18:12:55,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 18:12:55,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 18:12:55,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:12:55" (1/1) ... [2021-07-14 18:12:55,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:12:55" (1/1) ... [2021-07-14 18:12:55,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:12:55" (1/1) ... [2021-07-14 18:12:55,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:12:55" (1/1) ... [2021-07-14 18:12:55,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:12:55" (1/1) ... [2021-07-14 18:12:55,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:12:55" (1/1) ... [2021-07-14 18:12:55,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:12:55" (1/1) ... [2021-07-14 18:12:55,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 18:12:55,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 18:12:55,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 18:12:55,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 18:12:55,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:12:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 18:12:55,143 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 18:12:55,144 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 18:12:55,144 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 18:12:55,144 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 18:12:55,144 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 18:12:55,144 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 18:12:55,144 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 18:12:55,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 18:12:55,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 18:12:55,146 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 18:12:55,403 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 18:12:55,404 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 18:12:55,404 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 18:12:55,404 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 18:12:55,406 INFO L202 PluginConnector]: Adding new model unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 06:12:55 BoogieIcfgContainer [2021-07-14 18:12:55,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 18:12:55,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 18:12:55,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 18:12:55,409 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 18:12:55,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:12:55" (1/2) ... [2021-07-14 18:12:55,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c99a833 and model type unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 06:12:55, skipping insertion in model container [2021-07-14 18:12:55,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 06:12:55" (2/2) ... [2021-07-14 18:12:55,410 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.bpl [2021-07-14 18:12:55,414 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 18:12:55,414 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 18:12:55,414 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 18:12:55,415 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 18:12:55,457 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 18:12:55,472 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 18:12:55,510 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 18:12:55,510 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 18:12:55,511 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 18:12:55,511 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 18:12:55,511 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 18:12:55,511 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 18:12:55,511 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 18:12:55,511 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 18:12:55,571 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:12:55,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:12:55,575 INFO L82 PathProgramCache]: Analyzing trace with hash -525039273, now seen corresponding path program 1 times [2021-07-14 18:12:55,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:12:55,585 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261913827] [2021-07-14 18:12:55,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:12:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:55,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:12:55,669 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:12:55,669 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261913827] [2021-07-14 18:12:55,670 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261913827] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 18:12:55,670 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 18:12:55,670 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 18:12:55,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966881577] [2021-07-14 18:12:55,673 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 18:12:55,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:12:55,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 18:12:55,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 18:12:55,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:55,682 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:12:55,683 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) [2021-07-14 18:12:55,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:55,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:55,694 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 18:12:55,695 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:12:55,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:12:55,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1892497481, now seen corresponding path program 1 times [2021-07-14 18:12:55,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:12:55,695 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262196110] [2021-07-14 18:12:55,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:12:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:55,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:12:55,729 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:12:55,729 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262196110] [2021-07-14 18:12:55,729 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262196110] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:55,729 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884504583] [2021-07-14 18:12:55,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:12:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:55,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-14 18:12:55,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:12:55,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:12:55,807 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884504583] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:55,807 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:12:55,808 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-14 18:12:55,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985202151] [2021-07-14 18:12:55,808 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 18:12:55,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:12:55,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 18:12:55,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-14 18:12:55,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:55,809 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:12:55,810 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) [2021-07-14 18:12:55,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:55,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:55,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:55,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:56,044 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:12:56,045 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:12:56,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:12:56,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1462847702, now seen corresponding path program 1 times [2021-07-14 18:12:56,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:12:56,046 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387529514] [2021-07-14 18:12:56,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:12:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:56,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 18:12:56,077 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:12:56,077 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387529514] [2021-07-14 18:12:56,077 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387529514] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:56,077 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356935634] [2021-07-14 18:12:56,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:12:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:56,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 18:12:56,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:12:56,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 18:12:56,133 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356935634] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:56,133 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:12:56,133 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-14 18:12:56,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743805901] [2021-07-14 18:12:56,134 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 18:12:56,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:12:56,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 18:12:56,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 18:12:56,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:56,135 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:12:56,135 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) [2021-07-14 18:12:56,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:56,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:56,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:56,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:56,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:56,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:56,360 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:12:56,361 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:12:56,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:12:56,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1595502390, now seen corresponding path program 2 times [2021-07-14 18:12:56,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:12:56,362 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849377508] [2021-07-14 18:12:56,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:12:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:56,412 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 18:12:56,412 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:12:56,412 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849377508] [2021-07-14 18:12:56,412 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849377508] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:56,413 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786060142] [2021-07-14 18:12:56,413 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:12:56,436 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 18:12:56,436 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:12:56,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 18:12:56,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:12:56,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 18:12:56,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786060142] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:56,471 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:12:56,471 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-14 18:12:56,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780959212] [2021-07-14 18:12:56,472 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 18:12:56,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:12:56,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 18:12:56,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-14 18:12:56,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:56,472 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:12:56,473 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:12:56,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:56,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:56,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:56,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:56,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:56,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:56,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:12:56,705 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:12:56,705 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:12:56,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:12:56,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1412830422, now seen corresponding path program 3 times [2021-07-14 18:12:56,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:12:56,706 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105551306] [2021-07-14 18:12:56,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:12:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:56,820 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 18:12:56,821 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:12:56,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105551306] [2021-07-14 18:12:56,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105551306] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:56,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848138833] [2021-07-14 18:12:56,821 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) [2021-07-14 18:12:56,855 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 18:12:56,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:12:56,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 18:12:56,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:12:56,912 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 18:12:56,912 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848138833] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:56,912 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:12:56,912 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-14 18:12:56,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573318050] [2021-07-14 18:12:56,913 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 18:12:56,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:12:56,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 18:12:56,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-14 18:12:56,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:56,916 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:12:56,916 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:12:56,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:56,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:56,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:56,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:12:56,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:56,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:56,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:56,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:56,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:12:56,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:12:57,153 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:12:57,153 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:12:57,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:12:57,154 INFO L82 PathProgramCache]: Analyzing trace with hash 44966710, now seen corresponding path program 4 times [2021-07-14 18:12:57,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:12:57,154 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262260588] [2021-07-14 18:12:57,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:12:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:57,198 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:12:57,198 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:12:57,198 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262260588] [2021-07-14 18:12:57,198 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262260588] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:57,198 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379805680] [2021-07-14 18:12:57,198 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:12:57,234 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 18:12:57,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:12:57,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 18:12:57,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:12:57,350 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:12:57,351 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 [2021-07-14 18:12:57,405 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 18:12:57,406 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:12:57,407 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 18:12:57,407 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-14 18:12:57,411 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:12:57,412 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379805680] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:57,412 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:12:57,412 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-07-14 18:12:57,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999800543] [2021-07-14 18:12:57,412 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 18:12:57,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:12:57,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 18:12:57,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-07-14 18:12:57,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:57,413 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:12:57,413 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.0) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:12:57,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:57,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:57,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:57,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:12:57,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:12:57,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:57,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:57,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:57,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:57,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:12:57,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:12:57,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:12:57,648 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:12:57,648 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:12:57,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:12:57,648 INFO L82 PathProgramCache]: Analyzing trace with hash 590864598, now seen corresponding path program 5 times [2021-07-14 18:12:57,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:12:57,649 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930980179] [2021-07-14 18:12:57,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:12:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:57,700 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:12:57,700 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:12:57,701 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930980179] [2021-07-14 18:12:57,701 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930980179] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:57,701 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752057850] [2021-07-14 18:12:57,701 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:12:57,725 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 18:12:57,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:12:57,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-14 18:12:57,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:12:57,809 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:12:57,810 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752057850] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:57,810 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:12:57,810 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-14 18:12:57,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967311348] [2021-07-14 18:12:57,810 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 18:12:57,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:12:57,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 18:12:57,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-07-14 18:12:57,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:57,811 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:12:57,811 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) [2021-07-14 18:12:57,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:57,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:57,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:57,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:12:57,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:12:57,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:12:57,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:57,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:57,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:57,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:57,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:12:57,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:12:57,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:12:57,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:12:58,103 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-14 18:12:58,103 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:12:58,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:12:58,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1137660823, now seen corresponding path program 6 times [2021-07-14 18:12:58,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:12:58,104 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675674765] [2021-07-14 18:12:58,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:12:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:58,176 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 18:12:58,176 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:12:58,176 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675674765] [2021-07-14 18:12:58,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675674765] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:58,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120444298] [2021-07-14 18:12:58,177 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:12:58,208 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 18:12:58,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:12:58,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 18:12:58,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:12:58,281 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 18:12:58,281 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120444298] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:58,281 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:12:58,281 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-14 18:12:58,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768986354] [2021-07-14 18:12:58,281 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 18:12:58,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:12:58,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 18:12:58,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-07-14 18:12:58,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:58,282 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:12:58,282 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:12:58,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:58,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:58,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:58,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:12:58,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:12:58,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:12:58,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:12:58,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:58,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:58,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:58,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:58,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:12:58,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:12:58,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:12:58,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:12:58,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:12:58,598 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-14 18:12:58,599 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:12:58,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:12:58,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1759521079, now seen corresponding path program 7 times [2021-07-14 18:12:58,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:12:58,599 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592679829] [2021-07-14 18:12:58,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:12:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:58,688 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 18:12:58,688 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:12:58,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592679829] [2021-07-14 18:12:58,698 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592679829] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:58,699 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735152853] [2021-07-14 18:12:58,699 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:12:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:58,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 18:12:58,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:12:58,814 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 18:12:58,814 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735152853] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:58,814 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:12:58,814 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-07-14 18:12:58,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971855215] [2021-07-14 18:12:58,816 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 18:12:58,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:12:58,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 18:12:58,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-07-14 18:12:58,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:58,817 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:12:58,817 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:12:58,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:58,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:58,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:58,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:12:58,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:12:58,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:12:58,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:12:58,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:12:58,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:12:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:12:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:12:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:12:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:12:58,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:12:59,140 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-14 18:12:59,141 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:12:59,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:12:59,141 INFO L82 PathProgramCache]: Analyzing trace with hash -437647465, now seen corresponding path program 8 times [2021-07-14 18:12:59,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:12:59,141 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690754922] [2021-07-14 18:12:59,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:12:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:59,236 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 18:12:59,237 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:12:59,237 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690754922] [2021-07-14 18:12:59,237 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690754922] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:59,237 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65036338] [2021-07-14 18:12:59,237 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:12:59,261 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 18:12:59,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:12:59,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 18:12:59,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:12:59,354 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 18:12:59,355 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65036338] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:59,355 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:12:59,355 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-07-14 18:12:59,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214893491] [2021-07-14 18:12:59,355 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 18:12:59,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:12:59,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 18:12:59,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-07-14 18:12:59,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:59,356 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:12:59,356 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:12:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:12:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:12:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:12:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:12:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:12:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:12:59,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:12:59,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:12:59,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:59,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:12:59,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:12:59,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:12:59,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:12:59,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:12:59,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:12:59,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:12:59,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:12:59,710 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-14 18:12:59,710 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:12:59,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:12:59,711 INFO L82 PathProgramCache]: Analyzing trace with hash 169604407, now seen corresponding path program 9 times [2021-07-14 18:12:59,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:12:59,711 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525081516] [2021-07-14 18:12:59,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:12:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:12:59,775 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:12:59,775 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:12:59,775 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525081516] [2021-07-14 18:12:59,775 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525081516] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:12:59,775 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842442427] [2021-07-14 18:12:59,775 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:12:59,812 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 18:12:59,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:12:59,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-14 18:12:59,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:13:00,056 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:13:00,057 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 [2021-07-14 18:13:01,081 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 274 [2021-07-14 18:13:02,461 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 18:13:02,462 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:13:02,462 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 18:13:02,462 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-14 18:13:02,466 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:13:02,466 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [842442427] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:13:02,466 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:13:02,466 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-07-14 18:13:02,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504615209] [2021-07-14 18:13:02,467 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 18:13:02,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:13:02,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 18:13:02,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-07-14 18:13:02,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:13:02,467 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:13:02,468 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.619047619047619) internal successors, (34), 20 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:13:02,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:13:02,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:02,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:02,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:13:02,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:13:02,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:13:02,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:13:02,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:13:02,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:13:02,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:13:02,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:13:02,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:13:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:13:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:13:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:13:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:13:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:13:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:13:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:13:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:13:02,748 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-14 18:13:02,749 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:13:02,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:13:02,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1814543255, now seen corresponding path program 10 times [2021-07-14 18:13:02,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:13:02,750 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102020523] [2021-07-14 18:13:02,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:13:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:13:02,845 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:13:02,846 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:13:02,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102020523] [2021-07-14 18:13:02,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102020523] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:13:02,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105974644] [2021-07-14 18:13:02,846 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 [2021-07-14 18:13:02,871 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 18:13:02,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:13:02,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 18:13:02,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:13:02,920 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:13:02,920 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105974644] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:13:02,920 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:13:02,920 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-14 18:13:02,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343292046] [2021-07-14 18:13:02,921 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 18:13:02,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:13:02,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 18:13:02,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-07-14 18:13:02,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:13:02,921 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:13:02,921 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:13:02,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:13:02,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:02,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:02,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:13:02,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:13:02,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:13:02,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:13:02,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:13:02,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:13:02,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:13:02,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:13:02,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:13:03,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:13:03,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:03,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:03,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:13:03,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:13:03,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:13:03,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:13:03,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:13:03,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:13:03,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:13:03,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:13:03,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 18:13:03,266 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable313,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:13:03,266 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:13:03,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:13:03,267 INFO L82 PathProgramCache]: Analyzing trace with hash 416993526, now seen corresponding path program 11 times [2021-07-14 18:13:03,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:13:03,267 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062801566] [2021-07-14 18:13:03,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:13:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:13:03,418 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 18:13:03,418 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:13:03,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062801566] [2021-07-14 18:13:03,418 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062801566] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:13:03,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935336760] [2021-07-14 18:13:03,418 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 [2021-07-14 18:13:03,453 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 18:13:03,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:13:03,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 18:13:03,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:13:03,722 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 3 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:13:03,723 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935336760] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:13:03,723 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:13:03,723 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 24 [2021-07-14 18:13:03,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110235965] [2021-07-14 18:13:03,723 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 18:13:03,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:13:03,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 18:13:03,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=507, Unknown=0, NotChecked=0, Total=600 [2021-07-14 18:13:03,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:13:03,724 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:13:03,724 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.44) internal successors, (36), 24 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:13:03,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:13:03,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:03,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:03,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:13:03,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:13:03,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:13:03,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:13:03,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:13:03,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:13:03,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:13:03,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:13:03,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 18:13:03,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:13:04,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:13:04,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:04,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:04,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:13:04,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:13:04,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:13:04,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:13:04,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:13:04,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:13:04,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:13:04,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:13:04,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 18:13:04,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 18:13:04,514 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable314 [2021-07-14 18:13:04,514 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:13:04,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:13:04,514 INFO L82 PathProgramCache]: Analyzing trace with hash 655261526, now seen corresponding path program 12 times [2021-07-14 18:13:04,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:13:04,514 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944462869] [2021-07-14 18:13:04,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:13:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:13:04,653 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 18:13:04,654 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:13:04,654 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944462869] [2021-07-14 18:13:04,654 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944462869] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:13:04,654 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281904841] [2021-07-14 18:13:04,654 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 [2021-07-14 18:13:04,693 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 18:13:04,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:13:04,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-14 18:13:04,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:13:04,955 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:13:04,955 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281904841] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:13:04,955 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:13:04,955 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2021-07-14 18:13:04,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961122953] [2021-07-14 18:13:04,956 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 18:13:04,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:13:04,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 18:13:04,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2021-07-14 18:13:04,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:13:04,956 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:13:04,956 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:13:04,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:13:04,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:04,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:04,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:13:04,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:13:04,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:13:04,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:13:04,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:13:04,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:13:04,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:13:04,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:13:04,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 18:13:04,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 18:13:04,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:13:05,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:13:05,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:05,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:05,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:13:05,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:13:05,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:13:05,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:13:05,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:13:05,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:13:05,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:13:05,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:13:05,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 18:13:05,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 18:13:05,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 18:13:05,554 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable315,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:13:05,554 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:13:05,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:13:05,554 INFO L82 PathProgramCache]: Analyzing trace with hash -548365066, now seen corresponding path program 13 times [2021-07-14 18:13:05,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:13:05,555 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430607296] [2021-07-14 18:13:05,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:13:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:13:05,710 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 18:13:05,711 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:13:05,711 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430607296] [2021-07-14 18:13:05,711 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430607296] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:13:05,711 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958741148] [2021-07-14 18:13:05,711 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 [2021-07-14 18:13:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:13:05,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-14 18:13:05,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:13:05,918 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 18:13:05,918 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958741148] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:13:05,918 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 18:13:05,918 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-07-14 18:13:05,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516399892] [2021-07-14 18:13:05,918 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 18:13:05,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 18:13:05,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 18:13:05,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2021-07-14 18:13:05,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:13:05,920 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 18:13:05,920 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 18:13:05,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:13:05,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:05,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:05,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:13:05,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:13:05,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:13:05,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:13:05,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:13:05,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:13:05,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:13:05,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:13:05,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 18:13:05,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 18:13:05,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 18:13:05,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 18:13:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 18:13:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 18:13:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 18:13:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 18:13:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 18:13:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 18:13:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:13:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 18:13:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 18:13:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 18:13:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 18:13:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 18:13:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 18:13:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 18:13:06,412 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable316 [2021-07-14 18:13:06,412 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 18:13:06,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 18:13:06,412 INFO L82 PathProgramCache]: Analyzing trace with hash 793916246, now seen corresponding path program 14 times [2021-07-14 18:13:06,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 18:13:06,412 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246718162] [2021-07-14 18:13:06,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 18:13:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 18:13:06,511 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 18:13:06,511 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 18:13:06,511 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246718162] [2021-07-14 18:13:06,511 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246718162] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 18:13:06,511 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516530078] [2021-07-14 18:13:06,511 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 18:13:06,544 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 18:13:06,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 18:13:06,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-14 18:13:06,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 18:13:07,157 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-14 18:13:07,158 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 18:13:07,158 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 [2021-07-14 18:13:07,991 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-07-14 18:13:08,142 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-07-14 18:13:09,323 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-07-14 18:13:09,563 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-07-14 18:13:10,004 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-07-14 18:13:10,540 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-07-14 18:13:11,373 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-07-14 18:13:11,541 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-07-14 18:13:11,754 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-07-14 18:13:12,422 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-07-14 18:13:13,038 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-07-14 18:13:13,309 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-07-14 18:13:13,650 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-07-14 18:13:14,069 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-07-14 18:13:14,796 WARN L205 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-07-14 18:13:15,636 WARN L205 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-07-14 18:13:17,104 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-07-14 18:13:18,127 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-07-14 18:13:18,338 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-07-14 18:13:19,103 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-07-14 18:13:19,475 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-07-14 18:13:19,935 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-07-14 18:13:20,641 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-07-14 18:13:20,783 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-07-14 18:13:20,964 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-07-14 18:13:22,320 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-07-14 18:13:22,632 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-07-14 18:13:22,994 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-07-14 18:13:23,609 WARN L205 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-07-14 18:13:24,340 WARN L205 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-07-14 18:13:25,629 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-07-14 18:13:28,826 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-07-14 18:13:32,516 WARN L205 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-07-14 18:13:36,713 WARN L205 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-14 18:13:40,964 WARN L205 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-14 18:13:45,939 WARN L205 SmtUtils]: Spent 4.97 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-07-14 18:13:50,670 WARN L205 SmtUtils]: Spent 4.71 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-07-14 18:13:55,813 WARN L205 SmtUtils]: Spent 5.12 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-07-14 18:14:03,736 WARN L205 SmtUtils]: Spent 7.90 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-07-14 18:14:03,897 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-07-14 18:14:04,951 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-07-14 18:14:06,790 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-07-14 18:14:13,170 WARN L205 SmtUtils]: Spent 6.37 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-07-14 18:14:13,464 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-07-14 18:14:13,740 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-07-14 18:14:14,684 WARN L205 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-07-14 18:14:16,386 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-07-14 18:14:16,596 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-07-14 18:14:16,890 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-07-14 18:14:17,355 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-07-14 18:14:18,286 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-07-14 18:14:18,620 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-07-14 18:14:18,917 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-07-14 18:14:19,363 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-07-14 18:14:20,361 WARN L205 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-07-14 18:14:21,660 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-07-14 18:14:21,934 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-07-14 18:14:22,863 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-07-14 18:14:23,099 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-07-14 18:14:23,412 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-07-14 18:14:24,274 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-07-14 18:14:24,473 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-07-14 18:14:24,735 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-07-14 18:14:25,068 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-07-14 18:14:25,794 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-07-14 18:14:26,725 WARN L205 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-07-14 18:14:27,569 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-07-14 18:14:27,740 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-07-14 18:14:27,968 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-07-14 18:14:28,272 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-07-14 18:14:29,241 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-07-14 18:14:29,388 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-07-14 18:14:29,595 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-07-14 18:14:29,864 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-07-14 18:14:30,210 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-07-14 18:14:30,931 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-07-14 18:14:32,737 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-07-14 18:14:35,687 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-07-14 18:14:39,057 WARN L205 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-07-14 18:14:43,383 WARN L205 SmtUtils]: Spent 4.32 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-07-14 18:14:44,450 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-07-14 18:14:44,807 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-07-14 18:14:45,377 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-07-14 18:14:46,402 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-07-14 18:14:46,611 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-07-14 18:14:46,874 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-07-14 18:14:47,253 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-07-14 18:14:47,445 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-07-14 18:14:48,440 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-07-14 18:14:48,625 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-07-14 18:14:49,488 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-07-14 18:14:49,659 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-14 18:14:50,032 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-07-14 18:14:50,557 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-07-14 18:14:51,348 WARN L205 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-07-14 18:14:52,547 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-07-14 18:14:54,191 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-07-14 18:14:54,841 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-07-14 18:14:55,427 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-07-14 18:14:55,795 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-07-14 18:14:55,904 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-07-14 18:14:57,491 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-07-14 18:14:57,647 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-07-14 18:14:57,939 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-07-14 18:14:58,539 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-07-14 18:14:59,444 WARN L205 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-07-14 18:15:00,767 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-07-14 18:15:04,136 WARN L205 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-07-14 18:15:07,958 WARN L205 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-07-14 18:15:13,424 WARN L205 SmtUtils]: Spent 5.46 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-07-14 18:15:24,272 WARN L205 SmtUtils]: Spent 10.83 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-07-14 18:15:25,496 WARN L205 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-07-14 18:15:26,056 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-07-14 18:15:26,829 WARN L205 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-07-14 18:15:27,318 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-07-14 18:15:28,276 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-07-14 18:15:28,502 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-07-14 18:15:28,721 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-07-14 18:15:29,735 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-07-14 18:15:30,660 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-07-14 18:15:31,737 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-07-14 18:15:32,963 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-07-14 18:15:33,401 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-07-14 18:15:34,178 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-07-14 18:15:35,118 WARN L205 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-07-14 18:15:36,302 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-07-14 18:15:37,555 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-07-14 18:15:39,400 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-07-14 18:15:41,906 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-07-14 18:15:42,701 WARN L205 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-07-14 18:15:43,054 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-07-14 18:15:43,345 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-07-14 18:15:44,535 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-07-14 18:15:45,395 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-07-14 18:15:45,659 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-07-14 18:15:46,040 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-07-14 18:15:46,741 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-07-14 18:15:47,759 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-07-14 18:15:47,937 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-07-14 18:15:48,609 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-07-14 18:15:48,786 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-07-14 18:15:49,060 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-07-14 18:15:50,301 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-07-14 18:15:52,112 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-07-14 18:15:57,009 WARN L205 SmtUtils]: Spent 4.89 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-07-14 18:16:03,588 WARN L205 SmtUtils]: Spent 6.57 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-07-14 18:16:10,975 WARN L205 SmtUtils]: Spent 7.38 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-07-14 18:16:11,622 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-07-14 18:16:12,295 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-07-14 18:16:12,483 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-07-14 18:16:13,161 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-07-14 18:16:14,053 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-07-14 18:16:14,208 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-07-14 18:16:14,421 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-07-14 18:16:14,714 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-07-14 18:16:15,082 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-07-14 18:16:15,526 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-07-14 18:16:16,058 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-07-14 18:16:17,275 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-07-14 18:16:17,527 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-07-14 18:16:17,858 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-07-14 18:16:18,313 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-07-14 18:16:18,856 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-07-14 18:16:19,492 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-07-14 18:16:20,785 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-07-14 18:16:21,676 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-07-14 18:16:21,834 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-07-14 18:16:22,081 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-14 18:16:22,402 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-07-14 18:16:22,586 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-07-14 18:16:23,207 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-07-14 18:16:23,428 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-07-14 18:16:23,710 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-07-14 18:16:24,395 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-07-14 18:16:25,469 WARN L205 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-07-14 18:16:27,909 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-07-14 18:16:31,101 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-07-14 18:16:31,235 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-07-14 18:16:31,826 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-07-14 18:16:32,010 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-07-14 18:16:32,599 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-07-14 18:16:32,944 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-07-14 18:16:33,996 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-07-14 18:16:34,143 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-07-14 18:16:34,333 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-07-14 18:16:34,632 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-07-14 18:16:35,026 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-07-14 18:16:35,863 WARN L205 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-07-14 18:16:37,039 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-07-14 18:16:38,273 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-07-14 18:16:38,501 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-07-14 18:16:38,781 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-07-14 18:16:39,157 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-07-14 18:16:40,930 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-07-14 18:16:46,149 WARN L205 SmtUtils]: Spent 5.21 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-07-14 18:16:52,030 WARN L205 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-07-14 18:17:06,701 WARN L205 SmtUtils]: Spent 14.66 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-07-14 18:17:34,952 WARN L205 SmtUtils]: Spent 28.23 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-07-14 18:17:35,967 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-07-14 18:17:36,150 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-07-14 18:18:07,710 WARN L205 SmtUtils]: Spent 31.55 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-07-14 18:18:44,857 WARN L205 SmtUtils]: Spent 37.10 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-07-14 18:18:45,923 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-07-14 18:18:46,115 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-07-14 18:18:46,354 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-07-14 18:19:24,286 WARN L205 SmtUtils]: Spent 37.91 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-07-14 18:20:03,178 WARN L205 SmtUtils]: Spent 38.84 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-07-14 18:20:49,417 WARN L205 SmtUtils]: Spent 46.18 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-07-14 18:20:52,932 WARN L205 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-07-14 18:20:53,086 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-07-14 18:20:54,525 WARN L205 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-07-14 18:20:55,161 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 240 [2021-07-14 18:20:58,089 WARN L205 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-07-14 18:20:58,239 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-07-14 18:20:58,378 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-07-14 18:20:59,461 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-07-14 18:21:00,164 WARN L205 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-07-14 18:21:01,098 WARN L205 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-07-14 18:21:01,859 WARN L205 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-07-14 18:21:02,226 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-07-14 18:21:02,927 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-07-14 18:21:03,101 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-07-14 18:21:03,481 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-07-14 18:21:03,820 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-07-14 18:21:04,240 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-07-14 18:21:05,811 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-07-14 18:21:06,122 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-07-14 18:21:06,925 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-07-14 18:21:08,001 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-07-14 18:21:09,433 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-07-14 18:21:10,328 WARN L205 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-07-14 18:21:11,402 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-07-14 18:21:11,702 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-07-14 18:21:12,387 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-07-14 18:21:12,595 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-07-14 18:21:12,942 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-07-14 18:21:13,187 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-07-14 18:21:13,814 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-07-14 18:21:13,986 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-07-14 18:21:14,788 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-07-14 18:21:14,976 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-07-14 18:21:15,377 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-07-14 18:21:16,290 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-07-14 18:21:16,799 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-07-14 18:21:17,085 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-07-14 18:21:17,873 WARN L205 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-07-14 18:21:18,906 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-07-14 18:21:20,192 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-07-14 18:21:21,910 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-07-14 18:21:24,111 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-07-14 18:21:26,853 WARN L205 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-07-14 18:21:31,446 WARN L205 SmtUtils]: Spent 4.59 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-07-14 18:21:37,660 WARN L205 SmtUtils]: Spent 6.21 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-07-14 18:21:38,057 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-07-14 18:21:38,249 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-07-14 18:21:38,453 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-07-14 18:21:38,789 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-07-14 18:21:40,307 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-07-14 18:21:40,474 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-07-14 18:21:40,718 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-07-14 18:21:41,110 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-07-14 18:21:41,640 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-07-14 18:21:41,761 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-07-14 18:21:41,924 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-07-14 18:21:43,124 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-07-14 18:21:43,290 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-07-14 18:21:43,488 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-07-14 18:21:43,782 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-07-14 18:21:44,152 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-07-14 18:21:44,711 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-07-14 18:21:45,292 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-07-14 18:21:46,526 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-07-14 18:21:47,946 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-07-14 18:21:49,856 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-07-14 18:21:50,094 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-07-14 18:21:50,342 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-14 18:21:50,523 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-14 18:21:50,711 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-07-14 18:21:51,805 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-07-14 18:21:52,028 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-07-14 18:21:52,286 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-07-14 18:21:52,631 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-07-14 18:21:53,101 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-07-14 18:21:53,298 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-14 18:21:53,474 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-14 18:21:54,556 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-07-14 18:21:54,736 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-07-14 18:21:54,993 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-07-14 18:21:55,379 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-07-14 18:21:56,361 WARN L205 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-07-14 18:21:57,651 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-07-14 18:22:00,890 WARN L205 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-07-14 18:22:10,403 WARN L205 SmtUtils]: Spent 9.50 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-07-14 18:22:21,478 WARN L205 SmtUtils]: Spent 10.71 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-07-14 18:22:34,086 WARN L205 SmtUtils]: Spent 12.59 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-07-14 18:22:46,971 WARN L205 SmtUtils]: Spent 12.87 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-07-14 18:23:00,136 WARN L205 SmtUtils]: Spent 13.15 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-07-14 18:23:15,366 WARN L205 SmtUtils]: Spent 15.21 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-07-14 18:24:18,761 WARN L205 SmtUtils]: Spent 1.06 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-07-14 18:25:28,358 WARN L205 SmtUtils]: Spent 1.16 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-07-14 18:26:37,852 WARN L205 SmtUtils]: Spent 1.16 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