/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-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-13 21:58:05,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-13 21:58:05,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-13 21:58:05,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-13 21:58:05,487 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-None-NoLbe.epf [2021-07-13 21:58:05,534 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-13 21:58:05,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-13 21:58:05,535 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-13 21:58:05,535 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-13 21:58:05,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-13 21:58:05,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-13 21:58:05,537 INFO L138 SettingsManager]: * Use SBE=true [2021-07-13 21:58:05,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-13 21:58:05,538 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-13 21:58:05,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-13 21:58:05,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-13 21:58:05,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-13 21:58:05,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-13 21:58:05,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-13 21:58:05,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-13 21:58:05,539 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-13 21:58:05,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-13 21:58:05,539 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-13 21:58:05,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-13 21:58:05,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-13 21:58:05,539 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-13 21:58:05,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-13 21:58:05,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-13 21:58:05,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 21:58:05,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-13 21:58:05,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-13 21:58:05,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-13 21:58:05,540 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-13 21:58:05,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-13 21:58:05,540 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-13 21:58:05,540 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-13 21:58:05,540 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-13 21:58:05,541 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-13 21:58:05,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-13 21:58:05,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-13 21:58:05,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-13 21:58:05,823 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-13 21:58:05,824 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-13 21:58:05,825 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl [2021-07-13 21:58:05,825 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl' [2021-07-13 21:58:05,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-13 21:58:05,842 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-13 21:58:05,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-13 21:58:05,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-13 21:58:05,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-13 21:58:05,850 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 13.07 09:58:05" (1/1) ... [2021-07-13 21:58:05,855 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 13.07 09:58:05" (1/1) ... [2021-07-13 21:58:05,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-13 21:58:05,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-13 21:58:05,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-13 21:58:05,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-13 21:58:05,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 09:58:05" (1/1) ... [2021-07-13 21:58:05,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 09:58:05" (1/1) ... [2021-07-13 21:58:05,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 09:58:05" (1/1) ... [2021-07-13 21:58:05,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 09:58:05" (1/1) ... [2021-07-13 21:58:05,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 09:58:05" (1/1) ... [2021-07-13 21:58:05,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 09:58:05" (1/1) ... [2021-07-13 21:58:05,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 09:58:05" (1/1) ... [2021-07-13 21:58:05,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-13 21:58:05,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-13 21:58:05,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-13 21:58:05,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-13 21:58:05,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 09:58:05" (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 [2021-07-13 21:58:05,915 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-13 21:58:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-13 21:58:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-13 21:58:05,916 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-13 21:58:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-13 21:58:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-13 21:58:05,916 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-13 21:58:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-13 21:58:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-13 21:58:05,917 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-13 21:58:06,143 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-13 21:58:06,143 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-13 21:58:06,144 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-13 21:58:06,144 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-13 21:58:06,145 INFO L202 PluginConnector]: Adding new model unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 09:58:06 BoogieIcfgContainer [2021-07-13 21:58:06,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-13 21:58:06,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-13 21:58:06,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-13 21:58:06,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-13 21:58:06,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 09:58:05" (1/2) ... [2021-07-13 21:58:06,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49b46eeb and model type unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 09:58:06, skipping insertion in model container [2021-07-13 21:58:06,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 09:58:06" (2/2) ... [2021-07-13 21:58:06,150 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.bpl [2021-07-13 21:58:06,154 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-13 21:58:06,154 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-13 21:58:06,154 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-13 21:58:06,154 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-13 21:58:06,201 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-13 21:58:06,219 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 [2021-07-13 21:58:06,307 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 21:58:06,307 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 21:58:06,307 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 21:58:06,308 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 21:58:06,308 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 21:58:06,308 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 21:58:06,308 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 21:58:06,308 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-13 21:58:06,315 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 20 places, 15 transitions, 46 flow [2021-07-13 21:58:06,323 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 13 states, 12 states have (on average 1.75) 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) [2021-07-13 21:58:06,334 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:58:06,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:58:06,341 INFO L82 PathProgramCache]: Analyzing trace with hash 327878231, now seen corresponding path program 1 times [2021-07-13 21:58:06,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:58:06,347 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803694152] [2021-07-13 21:58:06,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:58:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:58:06,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 21:58:06,448 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:58:06,448 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803694152] [2021-07-13 21:58:06,449 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803694152] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 21:58:06,449 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 21:58:06,449 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-13 21:58:06,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100751505] [2021-07-13 21:58:06,453 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-13 21:58:06,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:58:06,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-13 21:58:06,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-13 21:58:06,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:06,464 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:58:06,464 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) [2021-07-13 21:58:06,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:06,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:06,486 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-13 21:58:06,487 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:58:06,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:58:06,488 INFO L82 PathProgramCache]: Analyzing trace with hash 652599305, now seen corresponding path program 1 times [2021-07-13 21:58:06,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:58:06,489 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557551528] [2021-07-13 21:58:06,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:58:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:58:06,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 21:58:06,550 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:58:06,550 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557551528] [2021-07-13 21:58:06,550 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557551528] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:06,550 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490075124] [2021-07-13 21:58:06,550 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 [2021-07-13 21:58:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:58:06,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-13 21:58:06,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:58:06,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 21:58:06,679 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490075124] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:06,679 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:58:06,679 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-13 21:58:06,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294426938] [2021-07-13 21:58:06,681 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-13 21:58:06,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:58:06,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-13 21:58:06,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-13 21:58:06,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:06,682 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:58:06,682 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 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) [2021-07-13 21:58:06,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:06,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:06,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:06,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:06,930 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 21:58:06,931 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:58:06,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:58:06,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1221187306, now seen corresponding path program 1 times [2021-07-13 21:58:06,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:58:06,932 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117208300] [2021-07-13 21:58:06,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:58:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:58:06,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 21:58:06,979 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:58:06,979 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117208300] [2021-07-13 21:58:06,979 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117208300] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:06,980 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422545554] [2021-07-13 21:58:06,980 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 [2021-07-13 21:58:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:58:07,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-13 21:58:07,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:58:07,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 21:58:07,069 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422545554] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:07,069 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:58:07,069 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-13 21:58:07,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46414373] [2021-07-13 21:58:07,069 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-13 21:58:07,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:58:07,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-13 21:58:07,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-13 21:58:07,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:07,070 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:58:07,071 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) [2021-07-13 21:58:07,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:07,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:07,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:07,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:07,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:07,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:07,308 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 21:58:07,309 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:58:07,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:58:07,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1598119496, now seen corresponding path program 2 times [2021-07-13 21:58:07,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:58:07,310 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87279321] [2021-07-13 21:58:07,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:58:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:58:07,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 21:58:07,351 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:58:07,352 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87279321] [2021-07-13 21:58:07,352 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87279321] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:07,352 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763662433] [2021-07-13 21:58:07,352 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 [2021-07-13 21:58:07,377 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 21:58:07,377 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 21:58:07,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-13 21:58:07,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:58:07,412 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 21:58:07,413 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763662433] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:07,413 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:58:07,413 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-13 21:58:07,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061933042] [2021-07-13 21:58:07,413 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-13 21:58:07,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:58:07,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-13 21:58:07,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-13 21:58:07,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:07,414 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:58:07,414 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) [2021-07-13 21:58:07,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:07,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:07,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:07,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:07,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:07,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:07,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:07,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:58:07,650 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 21:58:07,650 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:58:07,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:58:07,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1197682858, now seen corresponding path program 3 times [2021-07-13 21:58:07,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:58:07,651 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216080342] [2021-07-13 21:58:07,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:58:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:58:07,694 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 21:58:07,694 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:58:07,695 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216080342] [2021-07-13 21:58:07,695 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216080342] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:07,695 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881089460] [2021-07-13 21:58:07,695 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 21:58:07,757 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-13 21:58:07,758 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 21:58:07,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-13 21:58:07,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:58:07,811 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 21:58:07,812 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881089460] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:07,812 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:58:07,812 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-13 21:58:07,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105100283] [2021-07-13 21:58:07,812 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-13 21:58:07,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:58:07,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-13 21:58:07,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-13 21:58:07,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:07,813 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:58:07,813 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) [2021-07-13 21:58:07,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:07,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:07,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:07,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:58:07,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:07,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:07,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:07,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:07,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:58:07,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:58:08,064 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 21:58:08,065 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:58:08,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:58:08,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1968209912, now seen corresponding path program 4 times [2021-07-13 21:58:08,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:58:08,066 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024790709] [2021-07-13 21:58:08,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:58:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:58:08,104 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 21:58:08,105 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:58:08,105 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024790709] [2021-07-13 21:58:08,105 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024790709] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:08,105 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413627400] [2021-07-13 21:58:08,105 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 [2021-07-13 21:58:08,132 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 21:58:08,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 21:58:08,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 21:58:08,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:58:08,256 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 21:58:08,256 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 [2021-07-13 21:58:08,301 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 21:58:08,302 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 21:58:08,303 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 21:58:08,303 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-13 21:58:08,309 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 21:58:08,310 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413627400] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:08,310 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:58:08,310 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-07-13 21:58:08,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684225854] [2021-07-13 21:58:08,310 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-13 21:58:08,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:58:08,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-13 21:58:08,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-07-13 21:58:08,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:08,311 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:58:08,312 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 11 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 21:58:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:58:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:58:08,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:08,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:08,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:08,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:08,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:58:08,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:58:08,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 21:58:08,583 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 21:58:08,583 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:58:08,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:58:08,584 INFO L82 PathProgramCache]: Analyzing trace with hash -84744810, now seen corresponding path program 5 times [2021-07-13 21:58:08,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:58:08,584 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360949871] [2021-07-13 21:58:08,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:58:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:58:08,654 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 21:58:08,654 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:58:08,655 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360949871] [2021-07-13 21:58:08,655 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360949871] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:08,655 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057174724] [2021-07-13 21:58:08,655 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 [2021-07-13 21:58:08,684 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-13 21:58:08,684 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 21:58:08,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-13 21:58:08,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:58:08,786 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 21:58:08,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057174724] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:08,787 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:58:08,787 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-13 21:58:08,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501090789] [2021-07-13 21:58:08,789 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-13 21:58:08,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:58:08,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-13 21:58:08,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-07-13 21:58:08,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:08,793 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:58:08,794 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 21:58:08,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:08,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:08,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:08,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:58:08,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:58:08,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 21:58:08,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:08,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:08,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:08,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:08,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:58:08,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:58:08,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 21:58:08,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 21:58:09,171 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-13 21:58:09,172 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:58:09,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:58:09,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1690948905, now seen corresponding path program 6 times [2021-07-13 21:58:09,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:58:09,174 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24239506] [2021-07-13 21:58:09,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:58:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:58:09,336 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-13 21:58:09,336 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:58:09,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24239506] [2021-07-13 21:58:09,336 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24239506] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:09,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132465965] [2021-07-13 21:58:09,337 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 [2021-07-13 21:58:09,396 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-13 21:58:09,397 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 21:58:09,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-13 21:58:09,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:58:09,507 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-13 21:58:09,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132465965] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:09,507 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:58:09,508 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-13 21:58:09,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31373426] [2021-07-13 21:58:09,508 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-13 21:58:09,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:58:09,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-13 21:58:09,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-07-13 21:58:09,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:09,510 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:58:09,510 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) [2021-07-13 21:58:09,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:09,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:09,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:09,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:58:09,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:58:09,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 21:58:09,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 21:58:09,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:09,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:09,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:09,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:09,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:58:09,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:58:09,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 21:58:09,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 21:58:09,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 21:58:09,849 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-13 21:58:09,849 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:58:09,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:58:09,849 INFO L82 PathProgramCache]: Analyzing trace with hash -775286985, now seen corresponding path program 7 times [2021-07-13 21:58:09,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:58:09,850 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327340483] [2021-07-13 21:58:09,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:58:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:58:09,939 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-13 21:58:09,939 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:58:09,940 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327340483] [2021-07-13 21:58:09,940 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327340483] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:09,940 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124919876] [2021-07-13 21:58:09,940 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 [2021-07-13 21:58:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:58:09,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-13 21:58:09,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:58:10,056 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-13 21:58:10,056 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124919876] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:10,056 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:58:10,056 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-07-13 21:58:10,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671123719] [2021-07-13 21:58:10,057 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-13 21:58:10,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:58:10,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-13 21:58:10,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-07-13 21:58:10,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:10,057 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:58:10,058 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) [2021-07-13 21:58:10,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:10,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:10,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:10,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:58:10,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:58:10,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 21:58:10,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 21:58:10,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 21:58:10,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:10,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:10,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:10,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:10,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:58:10,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:58:10,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 21:58:10,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 21:58:10,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 21:58:10,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 21:58:10,430 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-13 21:58:10,430 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:58:10,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:58:10,430 INFO L82 PathProgramCache]: Analyzing trace with hash 80811753, now seen corresponding path program 8 times [2021-07-13 21:58:10,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:58:10,431 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404944728] [2021-07-13 21:58:10,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:58:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:58:10,552 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-13 21:58:10,553 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:58:10,553 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404944728] [2021-07-13 21:58:10,553 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404944728] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:10,553 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146403277] [2021-07-13 21:58:10,553 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 [2021-07-13 21:58:10,581 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 21:58:10,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 21:58:10,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 21:58:10,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:58:10,701 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-13 21:58:10,701 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146403277] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:10,701 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:58:10,701 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-07-13 21:58:10,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757005613] [2021-07-13 21:58:10,702 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-13 21:58:10,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:58:10,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-13 21:58:10,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-07-13 21:58:10,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:10,702 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:58:10,702 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) [2021-07-13 21:58:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:10,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:10,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:58:10,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:58:10,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 21:58:10,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 21:58:10,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 21:58:10,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 21:58:10,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:10,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:10,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:10,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:10,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:58:10,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:58:10,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 21:58:10,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 21:58:10,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 21:58:10,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 21:58:10,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 21:58:11,133 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-13 21:58:11,133 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:58:11,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:58:11,134 INFO L82 PathProgramCache]: Analyzing trace with hash 850068855, now seen corresponding path program 9 times [2021-07-13 21:58:11,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:58:11,134 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802768758] [2021-07-13 21:58:11,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:58:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:58:11,193 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 21:58:11,193 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:58:11,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802768758] [2021-07-13 21:58:11,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802768758] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:11,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307674999] [2021-07-13 21:58:11,193 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 [2021-07-13 21:58:11,220 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-13 21:58:11,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 21:58:11,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-13 21:58:11,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:58:11,494 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-13 21:58:11,495 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 21:58:11,495 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 [2021-07-13 21:58:12,236 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 263 [2021-07-13 21:58:12,346 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 266 [2021-07-13 21:58:12,465 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 266 [2021-07-13 21:58:12,589 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 274 [2021-07-13 21:58:13,990 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 21:58:13,991 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 21:58:13,991 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 21:58:13,992 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-13 21:58:13,997 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 21:58:13,997 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307674999] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:13,997 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:58:13,998 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-07-13 21:58:13,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244109192] [2021-07-13 21:58:13,998 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-13 21:58:13,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:58:13,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-13 21:58:13,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-07-13 21:58:13,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:13,999 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:58:13,999 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 20 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 21:58:13,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:13,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:13,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:13,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:58:13,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:58:13,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 21:58:13,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 21:58:13,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 21:58:13,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 21:58:13,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 21:58:14,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:14,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:14,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:14,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:14,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:58:14,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:58:14,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 21:58:14,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 21:58:14,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 21:58:14,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 21:58:14,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 21:58:14,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 21:58:14,315 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-13 21:58:14,315 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:58:14,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:58:14,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1072764759, now seen corresponding path program 10 times [2021-07-13 21:58:14,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:58:14,315 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447732958] [2021-07-13 21:58:14,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:58:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:58:14,395 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 21:58:14,396 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:58:14,396 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447732958] [2021-07-13 21:58:14,396 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447732958] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:14,396 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105579715] [2021-07-13 21:58:14,396 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 [2021-07-13 21:58:14,422 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 21:58:14,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 21:58:14,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-13 21:58:14,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:58:14,487 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 21:58:14,487 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105579715] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:14,487 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:58:14,487 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-13 21:58:14,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599716709] [2021-07-13 21:58:14,487 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-13 21:58:14,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:58:14,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-13 21:58:14,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-07-13 21:58:14,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:14,488 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:58:14,488 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 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) [2021-07-13 21:58:14,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:14,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:14,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:14,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:58:14,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:58:14,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 21:58:14,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 21:58:14,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 21:58:14,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 21:58:14,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 21:58:14,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 21:58:14,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:14,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:14,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:14,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:14,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:58:14,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:58:14,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 21:58:14,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 21:58:14,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 21:58:14,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 21:58:14,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 21:58:14,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 21:58:14,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 21:58:14,876 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable313,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 21:58:14,876 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:58:14,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:58:14,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1127101558, now seen corresponding path program 11 times [2021-07-13 21:58:14,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:58:14,877 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949995071] [2021-07-13 21:58:14,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:58:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:58:15,009 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-13 21:58:15,009 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:58:15,009 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949995071] [2021-07-13 21:58:15,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949995071] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:15,009 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095073521] [2021-07-13 21:58:15,009 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 [2021-07-13 21:58:15,042 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-13 21:58:15,042 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 21:58:15,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-13 21:58:15,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:58:15,166 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-13 21:58:15,166 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095073521] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:15,166 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:58:15,166 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-07-13 21:58:15,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066351233] [2021-07-13 21:58:15,167 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-13 21:58:15,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:58:15,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-13 21:58:15,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-07-13 21:58:15,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:15,167 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:58:15,167 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.4) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 21:58:15,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:15,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:15,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:15,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:58:15,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:58:15,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 21:58:15,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 21:58:15,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 21:58:15,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 21:58:15,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 21:58:15,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 21:58:15,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 21:58:15,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:15,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:15,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:58:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:58:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 21:58:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 21:58:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 21:58:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 21:58:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 21:58:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 21:58:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 21:58:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 21:58:15,697 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable314 [2021-07-13 21:58:15,697 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:58:15,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:58:15,698 INFO L82 PathProgramCache]: Analyzing trace with hash 119935784, now seen corresponding path program 12 times [2021-07-13 21:58:15,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:58:15,698 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545895781] [2021-07-13 21:58:15,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:58:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:58:15,836 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-13 21:58:15,836 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:58:15,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545895781] [2021-07-13 21:58:15,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545895781] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:15,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740707418] [2021-07-13 21:58:15,836 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 [2021-07-13 21:58:15,876 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-13 21:58:15,876 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 21:58:15,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-13 21:58:15,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:58:16,141 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 21:58:16,141 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740707418] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:16,141 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:58:16,141 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2021-07-13 21:58:16,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216103077] [2021-07-13 21:58:16,142 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-13 21:58:16,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:58:16,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-13 21:58:16,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2021-07-13 21:58:16,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:16,142 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:58:16,143 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 26 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 21:58:16,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:16,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:16,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:16,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:58:16,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:58:16,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 21:58:16,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 21:58:16,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 21:58:16,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 21:58:16,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 21:58:16,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 21:58:16,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 21:58:16,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 21:58:16,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:16,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:16,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:16,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:16,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:58:16,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:58:16,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 21:58:16,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 21:58:16,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 21:58:16,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 21:58:16,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 21:58:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 21:58:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 21:58:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 21:58:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 21:58:16,825 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable315,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 21:58:16,826 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:58:16,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:58:16,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1037432138, now seen corresponding path program 13 times [2021-07-13 21:58:16,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:58:16,826 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303040168] [2021-07-13 21:58:16,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:58:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:58:16,986 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-13 21:58:16,987 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:58:16,987 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303040168] [2021-07-13 21:58:16,987 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303040168] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:16,987 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105179565] [2021-07-13 21:58:16,987 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 [2021-07-13 21:58:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:58:17,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-13 21:58:17,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:58:17,197 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-13 21:58:17,197 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105179565] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:17,197 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 21:58:17,198 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-07-13 21:58:17,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317059699] [2021-07-13 21:58:17,198 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-13 21:58:17,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 21:58:17,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-13 21:58:17,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2021-07-13 21:58:17,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:17,199 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 21:58:17,199 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) [2021-07-13 21:58:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:58:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:58:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-13 21:58:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-13 21:58:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 21:58:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-13 21:58:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 21:58:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 21:58:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 21:58:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-13 21:58:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-13 21:58:17,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 21:58:17,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 21:58:17,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:17,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 21:58:17,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 21:58:17,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 21:58:17,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-13 21:58:17,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-13 21:58:17,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 21:58:17,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-13 21:58:17,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 21:58:17,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 21:58:17,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 21:58:17,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-13 21:58:17,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-13 21:58:17,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 21:58:17,789 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable316 [2021-07-13 21:58:17,790 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 21:58:17,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 21:58:17,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1738867944, now seen corresponding path program 14 times [2021-07-13 21:58:17,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 21:58:17,790 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799219394] [2021-07-13 21:58:17,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 21:58:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 21:58:17,892 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 21:58:17,893 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 21:58:17,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799219394] [2021-07-13 21:58:17,893 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799219394] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 21:58:17,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605353130] [2021-07-13 21:58:17,893 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 [2021-07-13 21:58:17,924 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 21:58:17,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 21:58:17,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-13 21:58:17,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 21:58:18,589 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-13 21:58:18,589 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 21:58:18,590 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 [2021-07-13 21:58:19,459 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-07-13 21:58:19,624 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-07-13 21:58:20,637 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 321 [2021-07-13 21:58:20,837 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-07-13 21:58:21,142 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-07-13 21:58:21,611 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-07-13 21:58:22,232 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-07-13 21:58:23,039 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-07-13 21:58:23,226 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-07-13 21:58:23,454 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-07-13 21:58:24,162 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-07-13 21:58:24,846 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-07-13 21:58:25,120 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-07-13 21:58:25,478 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-07-13 21:58:25,907 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-07-13 21:58:26,665 WARN L205 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-07-13 21:58:27,536 WARN L205 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-07-13 21:58:29,077 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-07-13 21:58:30,113 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-07-13 21:58:30,333 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-07-13 21:58:31,078 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-07-13 21:58:31,467 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-07-13 21:58:31,931 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-07-13 21:58:32,622 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-07-13 21:58:32,768 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-07-13 21:58:32,958 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-07-13 21:58:33,507 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 370 [2021-07-13 21:58:34,057 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-07-13 21:58:34,289 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-07-13 21:58:34,613 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-07-13 21:58:34,992 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-07-13 21:58:35,643 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-07-13 21:58:36,399 WARN L205 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-07-13 21:58:37,786 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-07-13 21:58:41,216 WARN L205 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-07-13 21:58:45,206 WARN L205 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-07-13 21:58:49,561 WARN L205 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-13 21:58:54,123 WARN L205 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-13 21:58:59,514 WARN L205 SmtUtils]: Spent 5.38 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-07-13 21:59:04,355 WARN L205 SmtUtils]: Spent 4.81 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-07-13 21:59:09,722 WARN L205 SmtUtils]: Spent 5.33 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-07-13 21:59:17,878 WARN L205 SmtUtils]: Spent 8.14 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-07-13 21:59:18,050 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-07-13 21:59:19,129 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-07-13 21:59:21,101 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-07-13 21:59:27,820 WARN L205 SmtUtils]: Spent 6.70 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-07-13 21:59:28,133 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-07-13 21:59:28,439 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-07-13 21:59:29,418 WARN L205 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-07-13 21:59:29,689 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-07-13 21:59:31,129 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-07-13 21:59:31,353 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-07-13 21:59:31,656 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-07-13 21:59:32,116 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-07-13 21:59:33,055 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-07-13 21:59:33,386 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-07-13 21:59:33,694 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-07-13 21:59:34,152 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-07-13 21:59:35,213 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-07-13 21:59:36,283 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 253 [2021-07-13 21:59:36,502 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-07-13 21:59:36,798 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-07-13 21:59:37,753 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-07-13 21:59:38,012 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-07-13 21:59:38,335 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-07-13 21:59:39,093 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-07-13 21:59:39,225 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-07-13 21:59:39,422 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-07-13 21:59:39,704 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-07-13 21:59:40,050 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-07-13 21:59:40,785 WARN L205 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-07-13 21:59:41,780 WARN L205 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-07-13 21:59:42,635 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-07-13 21:59:42,813 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-07-13 21:59:43,041 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-07-13 21:59:43,363 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-07-13 21:59:44,353 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-07-13 21:59:44,503 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-07-13 21:59:44,726 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-07-13 21:59:45,005 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-07-13 21:59:45,353 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-07-13 21:59:46,086 WARN L205 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-07-13 21:59:47,935 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-07-13 21:59:51,022 WARN L205 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-07-13 21:59:54,577 WARN L205 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-07-13 21:59:59,110 WARN L205 SmtUtils]: Spent 4.52 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-07-13 22:00:00,210 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-07-13 22:00:00,581 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-07-13 22:00:01,193 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-07-13 22:00:02,054 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 219 [2021-07-13 22:00:02,349 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-07-13 22:00:02,578 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-07-13 22:00:02,858 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-07-13 22:00:03,288 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-07-13 22:00:03,515 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-07-13 22:00:04,128 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 185 [2021-07-13 22:00:04,627 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-07-13 22:00:04,857 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-07-13 22:00:05,876 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-07-13 22:00:06,052 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-13 22:00:06,610 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-07-13 22:00:07,305 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-07-13 22:00:08,153 WARN L205 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-07-13 22:00:09,509 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-07-13 22:00:11,380 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-07-13 22:00:12,134 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-07-13 22:00:12,830 WARN L205 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-07-13 22:00:13,280 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-07-13 22:00:13,416 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-07-13 22:00:15,137 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 224 [2021-07-13 22:00:15,279 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-07-13 22:00:15,473 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-07-13 22:00:15,786 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-07-13 22:00:16,526 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-07-13 22:00:17,558 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-07-13 22:00:19,083 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-07-13 22:00:22,930 WARN L205 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-07-13 22:00:27,302 WARN L205 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-07-13 22:00:33,330 WARN L205 SmtUtils]: Spent 6.02 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-07-13 22:00:45,893 WARN L205 SmtUtils]: Spent 12.55 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-07-13 22:00:47,219 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-07-13 22:00:47,847 WARN L205 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-07-13 22:00:48,683 WARN L205 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-07-13 22:00:49,236 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-07-13 22:00:50,121 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-07-13 22:00:50,347 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-07-13 22:00:50,633 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-07-13 22:00:51,673 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-07-13 22:00:52,593 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-07-13 22:00:53,547 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-07-13 22:00:54,666 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-07-13 22:00:55,108 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-07-13 22:00:55,923 WARN L205 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-07-13 22:00:56,932 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-07-13 22:00:58,203 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-07-13 22:00:59,746 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-07-13 22:01:01,765 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-07-13 22:01:04,476 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-07-13 22:01:05,365 WARN L205 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-07-13 22:01:05,767 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-07-13 22:01:06,082 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-07-13 22:01:07,423 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-07-13 22:01:08,322 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-07-13 22:01:08,631 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-07-13 22:01:09,051 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-07-13 22:01:09,786 WARN L205 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-07-13 22:01:10,854 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-07-13 22:01:11,041 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-07-13 22:01:11,737 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-07-13 22:01:11,914 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-07-13 22:01:12,202 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-07-13 22:01:13,518 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-07-13 22:01:15,442 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-07-13 22:01:20,666 WARN L205 SmtUtils]: Spent 5.22 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-07-13 22:01:27,542 WARN L205 SmtUtils]: Spent 6.86 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-07-13 22:01:35,480 WARN L205 SmtUtils]: Spent 7.92 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-07-13 22:01:36,203 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-07-13 22:01:36,961 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-07-13 22:01:37,139 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-07-13 22:01:37,905 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-07-13 22:01:38,903 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-07-13 22:01:39,084 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-07-13 22:01:39,310 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-07-13 22:01:39,640 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-07-13 22:01:40,021 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-07-13 22:01:40,498 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-07-13 22:01:41,069 WARN L205 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-07-13 22:01:42,443 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-07-13 22:01:42,704 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-07-13 22:01:43,047 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-07-13 22:01:43,548 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-07-13 22:01:44,099 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-07-13 22:01:44,766 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-07-13 22:01:46,107 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-07-13 22:01:47,018 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-07-13 22:01:47,179 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-07-13 22:01:47,447 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-13 22:01:47,774 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-07-13 22:01:47,980 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-07-13 22:01:48,690 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-07-13 22:01:48,942 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-07-13 22:01:49,251 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-07-13 22:01:49,990 WARN L205 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-07-13 22:01:51,189 WARN L205 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-07-13 22:01:53,833 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-07-13 22:01:57,268 WARN L205 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-07-13 22:01:57,409 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-07-13 22:01:58,148 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-07-13 22:01:58,380 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-07-13 22:01:59,035 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-07-13 22:01:59,418 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-07-13 22:02:00,470 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-07-13 22:02:00,615 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-07-13 22:02:00,814 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-07-13 22:02:01,121 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-07-13 22:02:01,542 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-07-13 22:02:02,395 WARN L205 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-07-13 22:02:03,565 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-07-13 22:02:04,643 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-07-13 22:02:04,816 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-07-13 22:02:05,044 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-07-13 22:02:05,336 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-07-13 22:02:05,752 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-07-13 22:02:07,574 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-07-13 22:02:12,872 WARN L205 SmtUtils]: Spent 5.29 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-07-13 22:02:18,836 WARN L205 SmtUtils]: Spent 5.95 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-07-13 22:02:33,679 WARN L205 SmtUtils]: Spent 14.83 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-07-13 22:03:02,248 WARN L205 SmtUtils]: Spent 28.54 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-07-13 22:03:03,138 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 249 [2021-07-13 22:03:03,281 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-07-13 22:03:03,457 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-07-13 22:03:35,071 WARN L205 SmtUtils]: Spent 31.60 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-07-13 22:04:12,662 WARN L205 SmtUtils]: Spent 37.55 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-07-13 22:04:13,661 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 285 [2021-07-13 22:04:13,773 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-07-13 22:04:13,961 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-07-13 22:04:14,212 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-07-13 22:04:52,179 WARN L205 SmtUtils]: Spent 37.95 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-07-13 22:05:33,559 WARN L205 SmtUtils]: Spent 41.32 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-07-13 22:06:19,718 WARN L205 SmtUtils]: Spent 46.11 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-07-13 22:06:23,311 WARN L205 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-07-13 22:06:23,463 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-07-13 22:06:24,896 WARN L205 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-07-13 22:06:25,523 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 240 [2021-07-13 22:06:28,395 WARN L205 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-07-13 22:06:28,561 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-07-13 22:06:28,696 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-07-13 22:06:29,804 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-07-13 22:06:30,474 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-07-13 22:06:31,379 WARN L205 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-07-13 22:06:32,164 WARN L205 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-07-13 22:06:32,488 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-07-13 22:06:33,182 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-07-13 22:06:33,347 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-07-13 22:06:33,736 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-07-13 22:06:34,079 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-07-13 22:06:34,481 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-07-13 22:06:36,030 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-07-13 22:06:36,371 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-07-13 22:06:37,218 WARN L205 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-07-13 22:06:38,261 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-07-13 22:06:39,725 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-07-13 22:06:40,610 WARN L205 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-07-13 22:06:41,699 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-07-13 22:06:41,978 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-07-13 22:06:42,856 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-07-13 22:06:43,210 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-07-13 22:06:43,458 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-07-13 22:06:44,076 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-07-13 22:06:44,266 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-07-13 22:06:45,059 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-07-13 22:06:45,235 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-07-13 22:06:45,662 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-07-13 22:06:46,560 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-07-13 22:06:47,070 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-07-13 22:06:47,364 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-07-13 22:06:48,134 WARN L205 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-07-13 22:06:49,136 WARN L205 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-07-13 22:06:50,440 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-07-13 22:06:52,263 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-07-13 22:06:54,405 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-07-13 22:06:57,099 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-07-13 22:07:01,607 WARN L205 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-07-13 22:07:07,729 WARN L205 SmtUtils]: Spent 6.11 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-07-13 22:07:08,149 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-07-13 22:07:08,337 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-07-13 22:07:08,535 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-07-13 22:07:08,886 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-07-13 22:07:10,391 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-07-13 22:07:10,552 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-07-13 22:07:10,801 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-07-13 22:07:11,174 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-07-13 22:07:11,705 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-07-13 22:07:11,988 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-07-13 22:07:13,166 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-07-13 22:07:13,343 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-07-13 22:07:13,545 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-07-13 22:07:13,824 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-07-13 22:07:14,189 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-07-13 22:07:15,349 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-07-13 22:07:16,561 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-07-13 22:07:17,962 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-07-13 22:07:19,882 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-07-13 22:07:20,103 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-07-13 22:07:20,358 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-13 22:07:20,566 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-13 22:07:20,748 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-07-13 22:07:21,875 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-07-13 22:07:22,068 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-07-13 22:07:22,336 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-07-13 22:07:22,691 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-07-13 22:07:23,176 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-07-13 22:07:23,350 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-13 22:07:23,521 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-13 22:07:24,609 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-07-13 22:07:24,795 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-07-13 22:07:25,049 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-07-13 22:07:25,439 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-07-13 22:07:26,449 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-07-13 22:07:27,732 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-07-13 22:07:30,935 WARN L205 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-07-13 22:07:40,287 WARN L205 SmtUtils]: Spent 9.34 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-07-13 22:07:51,309 WARN L205 SmtUtils]: Spent 10.65 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-07-13 22:08:03,931 WARN L205 SmtUtils]: Spent 12.59 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-07-13 22:08:16,796 WARN L205 SmtUtils]: Spent 12.85 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-07-13 22:08:29,943 WARN L205 SmtUtils]: Spent 13.13 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-07-13 22:08:45,005 WARN L205 SmtUtils]: Spent 15.04 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-07-13 22:09:47,566 WARN L205 SmtUtils]: Spent 1.04 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-07-13 22:11:00,784 WARN L205 SmtUtils]: Spent 1.22 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-07-13 22:12:09,862 WARN L205 SmtUtils]: Spent 1.15 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