/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-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 13:48:12,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 13:48:12,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 13:48:12,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 13:48:12,425 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-14 13:48:12,454 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 13:48:12,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 13:48:12,454 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 13:48:12,454 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 13:48:12,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 13:48:12,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 13:48:12,457 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 13:48:12,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 13:48:12,457 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 13:48:12,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 13:48:12,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 13:48:12,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 13:48:12,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 13:48:12,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 13:48:12,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 13:48:12,458 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 13:48:12,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 13:48:12,459 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 13:48:12,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 13:48:12,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 13:48:12,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 13:48:12,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 13:48:12,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 13:48:12,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 13:48:12,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 13:48:12,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 13:48:12,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 13:48:12,471 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 13:48:12,471 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 13:48:12,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 13:48:12,471 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 13:48:12,472 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 13:48:12,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 13:48:12,472 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 13:48:12,472 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 13:48:12,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 13:48:12,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 13:48:12,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 13:48:12,730 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 13:48:12,731 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 13:48:12,731 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl [2021-07-14 13:48:12,748 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl' [2021-07-14 13:48:12,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 13:48:12,787 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 13:48:12,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 13:48:12,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 13:48:12,788 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 13:48:12,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:48:12" (1/1) ... [2021-07-14 13:48:12,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:48:12" (1/1) ... [2021-07-14 13:48:12,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 13:48:12,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 13:48:12,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 13:48:12,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 13:48:12,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:48:12" (1/1) ... [2021-07-14 13:48:12,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:48:12" (1/1) ... [2021-07-14 13:48:12,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:48:12" (1/1) ... [2021-07-14 13:48:12,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:48:12" (1/1) ... [2021-07-14 13:48:12,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:48:12" (1/1) ... [2021-07-14 13:48:12,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:48:12" (1/1) ... [2021-07-14 13:48:12,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:48:12" (1/1) ... [2021-07-14 13:48:12,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 13:48:12,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 13:48:12,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 13:48:12,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 13:48:12,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:48:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 13:48:12,883 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 13:48:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 13:48:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 13:48:12,883 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 13:48:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 13:48:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 13:48:12,883 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 13:48:12,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 13:48:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 13:48:12,884 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 13:48:13,001 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 13:48:13,001 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 13:48:13,003 INFO L202 PluginConnector]: Adding new model counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:48:13 BoogieIcfgContainer [2021-07-14 13:48:13,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 13:48:13,004 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 13:48:13,004 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 13:48:13,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 13:48:13,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:48:12" (1/2) ... [2021-07-14 13:48:13,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7511ed7d and model type counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:48:13, skipping insertion in model container [2021-07-14 13:48:13,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:48:13" (2/2) ... [2021-07-14 13:48:13,008 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-queue.wvr.bpl [2021-07-14 13:48:13,012 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 13:48:13,012 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 13:48:13,012 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 13:48:13,012 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 13:48:13,031 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 13:48:13,045 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 13:48:13,118 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 13:48:13,118 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 13:48:13,119 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 13:48:13,119 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 13:48:13,119 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 13:48:13,119 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 13:48:13,119 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 13:48:13,119 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 13:48:13,210 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:48:13,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:48:13,214 INFO L82 PathProgramCache]: Analyzing trace with hash 466925783, now seen corresponding path program 1 times [2021-07-14 13:48:13,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:48:13,222 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308324552] [2021-07-14 13:48:13,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:48:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:48:13,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:48:13,303 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:48:13,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308324552] [2021-07-14 13:48:13,304 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308324552] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 13:48:13,304 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 13:48:13,304 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 13:48:13,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789339663] [2021-07-14 13:48:13,307 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 13:48:13,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:48:13,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 13:48:13,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 13:48:13,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:48:13,329 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:48:13,331 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:48:13,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:48:13,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:48:13,351 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 13:48:13,351 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:48:13,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:48:13,352 INFO L82 PathProgramCache]: Analyzing trace with hash 2140139737, now seen corresponding path program 1 times [2021-07-14 13:48:13,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:48:13,352 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681538650] [2021-07-14 13:48:13,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:48:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:48:13,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:48:13,409 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:48:13,410 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681538650] [2021-07-14 13:48:13,410 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681538650] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:48:13,410 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026399095] [2021-07-14 13:48:13,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:48:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:48:13,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 13:48:13,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:48:13,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:48:13,591 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026399095] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:48:13,591 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:48:13,591 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-07-14 13:48:13,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3078721] [2021-07-14 13:48:13,596 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 13:48:13,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:48:13,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 13:48:13,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-07-14 13:48:13,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:48:13,598 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:48:13,599 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:48:13,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:48:13,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:48:13,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:48:13,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:48:13,924 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:48:13,925 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:48:13,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:48:13,926 INFO L82 PathProgramCache]: Analyzing trace with hash 93675479, now seen corresponding path program 1 times [2021-07-14 13:48:13,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:48:13,926 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104589176] [2021-07-14 13:48:13,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:48:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:48:14,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:48:14,084 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:48:14,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104589176] [2021-07-14 13:48:14,085 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104589176] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:48:14,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423449898] [2021-07-14 13:48:14,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:48:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:48:14,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 13:48:14,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:48:14,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:14,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-07-14 13:48:14,290 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:48:14,295 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:48:14,297 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:48:14,297 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:7 [2021-07-14 13:48:14,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:48:14,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423449898] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:48:14,316 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:48:14,317 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-14 13:48:14,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105898946] [2021-07-14 13:48:14,317 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 13:48:14,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:48:14,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 13:48:14,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-14 13:48:14,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:48:14,318 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:48:14,318 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:48:14,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:48:14,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:48:14,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:48:14,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:48:14,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:48:14,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:48:14,560 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:48:14,561 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:48:14,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:48:14,562 INFO L82 PathProgramCache]: Analyzing trace with hash 688965337, now seen corresponding path program 2 times [2021-07-14 13:48:14,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:48:14,562 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905252299] [2021-07-14 13:48:14,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:48:14,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:48:14,637 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:48:14,637 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:48:14,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905252299] [2021-07-14 13:48:14,637 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905252299] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:48:14,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564861900] [2021-07-14 13:48:14,637 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:48:14,665 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:48:14,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:48:14,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 13:48:14,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:48:14,796 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:48:14,796 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564861900] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:48:14,796 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:48:14,796 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2021-07-14 13:48:14,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204922901] [2021-07-14 13:48:14,797 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 13:48:14,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:48:14,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 13:48:14,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-07-14 13:48:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:48:14,798 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:48:14,798 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 13 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:48:14,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:48:14,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:48:14,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:48:14,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:48:14,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:48:14,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:48:14,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:48:14,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:48:15,127 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:48:15,127 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:48:15,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:48:15,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1379448279, now seen corresponding path program 3 times [2021-07-14 13:48:15,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:48:15,128 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664017346] [2021-07-14 13:48:15,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:48:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:48:15,275 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:48:15,275 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:48:15,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664017346] [2021-07-14 13:48:15,276 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664017346] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:48:15,276 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612594893] [2021-07-14 13:48:15,276 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 [2021-07-14 13:48:15,301 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 13:48:15,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:48:15,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 13:48:15,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:48:15,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:15,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:15,516 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:48:15,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 29 [2021-07-14 13:48:15,526 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 13:48:15,540 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:48:15,557 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:48:15,557 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:27 [2021-07-14 13:48:15,610 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:48:15,611 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612594893] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:48:15,611 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:48:15,611 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 15 [2021-07-14 13:48:15,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067417643] [2021-07-14 13:48:15,612 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 13:48:15,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:48:15,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 13:48:15,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2021-07-14 13:48:15,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:48:15,614 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:48:15,614 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.25) internal successors, (36), 15 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:48:15,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:48:15,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:48:15,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:48:15,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:48:15,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:48:15,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:48:15,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:48:15,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:48:15,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:48:15,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:48:15,952 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:48:15,953 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:48:15,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:48:15,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1386441051, now seen corresponding path program 4 times [2021-07-14 13:48:15,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:48:15,954 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172826438] [2021-07-14 13:48:15,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:48:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:48:16,037 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:48:16,038 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:48:16,038 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172826438] [2021-07-14 13:48:16,038 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172826438] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:48:16,038 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557530828] [2021-07-14 13:48:16,038 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:48:16,065 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:48:16,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:48:16,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 13:48:16,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:48:16,246 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:48:16,246 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557530828] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:48:16,247 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:48:16,247 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2021-07-14 13:48:16,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96540280] [2021-07-14 13:48:16,247 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-14 13:48:16,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:48:16,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-14 13:48:16,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2021-07-14 13:48:16,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:48:16,248 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:48:16,248 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.2) internal successors, (44), 19 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:48:16,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:48:16,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:48:16,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:48:16,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:48:16,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:48:16,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:48:16,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:48:16,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:48:16,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:48:16,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:48:16,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:48:16,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:48:16,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:48:16,752 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:48:16,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:48:16,752 INFO L82 PathProgramCache]: Analyzing trace with hash -742756649, now seen corresponding path program 5 times [2021-07-14 13:48:16,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:48:16,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377241333] [2021-07-14 13:48:16,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:48:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:48:17,119 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:48:17,120 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:48:17,120 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377241333] [2021-07-14 13:48:17,120 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377241333] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:48:17,120 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075426649] [2021-07-14 13:48:17,120 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:48:17,153 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 13:48:17,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:48:17,154 WARN L261 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 35 conjunts are in the unsatisfiable core [2021-07-14 13:48:17,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:48:17,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:17,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:17,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:17,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:17,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:17,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:17,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:17,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:17,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:17,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:17,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:17,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:17,499 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:17,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 7 [2021-07-14 13:48:17,500 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:48:17,505 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:48:17,506 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:48:17,506 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:7 [2021-07-14 13:48:17,530 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:48:17,530 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075426649] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:48:17,530 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:48:17,530 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 24 [2021-07-14 13:48:17,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229266419] [2021-07-14 13:48:17,531 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 13:48:17,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:48:17,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 13:48:17,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=517, Unknown=0, NotChecked=0, Total=600 [2021-07-14 13:48:17,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:48:17,532 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:48:17,532 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.08) internal successors, (52), 24 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:48:17,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:48:17,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:48:17,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:48:17,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:48:17,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:48:17,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:48:17,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:48:18,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:48:18,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:48:18,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:48:18,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:48:18,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:48:18,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:48:18,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:48:18,820 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:48:18,821 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:48:18,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:48:18,821 INFO L82 PathProgramCache]: Analyzing trace with hash -456502825, now seen corresponding path program 6 times [2021-07-14 13:48:18,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:48:18,821 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675504443] [2021-07-14 13:48:18,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:48:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:48:19,260 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:48:19,260 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:48:19,260 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675504443] [2021-07-14 13:48:19,260 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675504443] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:48:19,260 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436632535] [2021-07-14 13:48:19,260 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:48:19,288 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 13:48:19,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:48:19,289 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-14 13:48:19,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:48:20,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:20,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:20,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:20,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:20,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:20,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:20,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:20,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:20,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:20,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:20,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:20,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:20,230 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:48:20,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 81 treesize of output 95 [2021-07-14 13:48:20,283 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-07-14 13:48:20,334 INFO L628 ElimStorePlain]: treesize reduction 280, result has 11.1 percent of original size [2021-07-14 13:48:20,350 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 13:48:20,350 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:103, output treesize:22 [2021-07-14 13:48:20,420 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:48:20,420 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436632535] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:48:20,420 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:48:20,420 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 33 [2021-07-14 13:48:20,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643171879] [2021-07-14 13:48:20,421 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 13:48:20,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:48:20,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 13:48:20,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=990, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 13:48:20,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:48:20,422 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:48:20,422 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.7647058823529411) internal successors, (60), 33 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:48:20,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:48:20,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:48:20,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:48:20,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:48:20,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:48:20,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:48:20,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:48:20,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:48:22,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:48:22,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:48:22,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:48:22,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:48:22,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:48:22,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:48:22,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:48:22,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:48:22,513 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-07-14 13:48:22,513 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:48:22,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:48:22,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1994398761, now seen corresponding path program 7 times [2021-07-14 13:48:22,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:48:22,514 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080728847] [2021-07-14 13:48:22,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:48:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:48:23,000 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:48:23,000 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:48:23,000 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080728847] [2021-07-14 13:48:23,000 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080728847] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:48:23,001 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949063080] [2021-07-14 13:48:23,001 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:48:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:48:23,035 WARN L261 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 51 conjunts are in the unsatisfiable core [2021-07-14 13:48:23,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:48:23,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:23,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:23,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:23,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:23,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:23,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:23,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:23,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 7 [2021-07-14 13:48:23,606 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:48:23,610 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:48:23,611 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:48:23,611 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:107, output treesize:7 [2021-07-14 13:48:23,634 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:48:23,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949063080] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:48:23,634 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:48:23,634 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16] total 32 [2021-07-14 13:48:23,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285164207] [2021-07-14 13:48:23,635 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 13:48:23,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:48:23,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 13:48:23,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=934, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 13:48:23,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:48:23,636 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:48:23,636 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.0606060606060606) internal successors, (68), 32 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:48:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:48:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:48:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:48:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:48:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:48:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:48:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:48:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:48:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:48:25,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:48:25,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:48:25,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:48:25,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:48:25,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:48:25,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:48:25,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:48:25,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:48:25,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:48:25,539 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:48:25,540 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:48:25,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:48:25,540 INFO L82 PathProgramCache]: Analyzing trace with hash -113515305, now seen corresponding path program 8 times [2021-07-14 13:48:25,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:48:25,540 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737716308] [2021-07-14 13:48:25,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:48:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:48:26,047 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 16 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:48:26,048 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:48:26,048 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737716308] [2021-07-14 13:48:26,048 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737716308] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:48:26,048 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951865287] [2021-07-14 13:48:26,048 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:48:26,081 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:48:26,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:48:26,082 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-14 13:48:26,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:48:26,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:26,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:26,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:26,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:26,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:26,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:26,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:26,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:26,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 7 [2021-07-14 13:48:26,823 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:48:26,829 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:48:26,830 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:48:26,830 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:123, output treesize:7 [2021-07-14 13:48:26,858 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:48:26,858 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951865287] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:48:26,858 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:48:26,858 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18] total 36 [2021-07-14 13:48:26,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433399167] [2021-07-14 13:48:26,859 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 13:48:26,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:48:26,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 13:48:26,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1192, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 13:48:26,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:48:26,860 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:48:26,860 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.054054054054054) internal successors, (76), 36 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 13:48:26,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:48:26,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:48:26,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:48:26,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:48:26,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:48:26,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:48:26,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:48:26,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:48:26,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:48:26,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:48:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:48:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:48:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:48:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 13:48:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 13:48:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:48:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:48:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:48:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:48:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:48:29,176 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:48:29,180 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:48:29,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:48:29,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1143936215, now seen corresponding path program 9 times [2021-07-14 13:48:29,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:48:29,180 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288382546] [2021-07-14 13:48:29,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:48:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:48:29,843 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 25 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:48:29,843 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:48:29,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288382546] [2021-07-14 13:48:29,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288382546] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:48:29,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426771435] [2021-07-14 13:48:29,843 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:48:29,883 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-14 13:48:29,883 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:48:29,884 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 71 conjunts are in the unsatisfiable core [2021-07-14 13:48:29,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:48:34,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:34,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:34,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,118 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:34,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:48:34,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:48:34,407 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2021-07-14 13:48:34,407 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:48:34,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 24 disjoint index pairs (out of 120 index pairs), introduced 12 new quantified variables, introduced 74 case distinctions, treesize of input 141 treesize of output 487 [2021-07-14 13:48:35,300 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 242 [2021-07-14 13:48:35,610 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 262 [2021-07-14 13:48:35,886 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 308 [2021-07-14 13:48:36,394 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 221 [2021-07-14 13:48:36,712 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 271 [2021-07-14 13:48:37,275 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 221 [2021-07-14 13:48:37,477 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 242 [2021-07-14 13:48:38,210 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-07-14 13:48:38,633 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 276 [2021-07-14 13:48:39,435 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 342 [2021-07-14 13:48:40,286 WARN L205 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 412 [2021-07-14 13:48:41,603 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 503 DAG size of output: 520 [2021-07-14 13:48:43,537 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 641 DAG size of output: 665 [2021-07-14 13:48:46,173 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 673 DAG size of output: 697 [2021-07-14 13:48:47,148 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 298 [2021-07-14 13:48:47,450 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 333 [2021-07-14 13:48:47,875 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 370 [2021-07-14 13:48:48,336 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 297 [2021-07-14 13:48:48,477 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 334 [2021-07-14 13:48:49,140 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 477 [2021-07-14 13:48:49,716 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 287 [2021-07-14 13:48:50,294 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 307 [2021-07-14 13:48:51,017 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 634 [2021-07-14 13:48:52,073 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 666 DAG size of output: 678 [2021-07-14 13:48:53,870 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 823 DAG size of output: 833 [2021-07-14 13:48:54,714 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 207 [2021-07-14 13:48:54,876 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 222 [2021-07-14 13:48:55,255 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 270 [2021-07-14 13:48:55,647 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 347 [2021-07-14 13:48:56,541 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 411 [2021-07-14 13:48:59,087 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 1066 DAG size of output: 1073 [2021-07-14 13:49:04,969 WARN L205 SmtUtils]: Spent 5.88 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1519 [2021-07-14 13:49:10,968 WARN L205 SmtUtils]: Spent 5.99 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1519 [2021-07-14 13:49:16,957 WARN L205 SmtUtils]: Spent 5.98 s on a formula simplification. DAG size of input: 1502 DAG size of output: 1530 [2021-07-14 13:49:19,661 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 741 DAG size of output: 950 [2021-07-14 13:49:22,585 WARN L205 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 736 DAG size of output: 1124 [2021-07-14 13:49:24,542 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 692 DAG size of output: 835 [2021-07-14 13:49:25,302 WARN L205 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 695 [2021-07-14 13:49:27,215 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 617 DAG size of output: 791 [2021-07-14 13:49:27,810 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 595 [2021-07-14 13:49:28,930 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 578 DAG size of output: 808 [2021-07-14 13:49:29,612 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 446 [2021-07-14 13:49:30,389 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 558 [2021-07-14 13:49:30,577 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 222 [2021-07-14 13:49:30,979 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 315 [2021-07-14 13:49:32,210 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 412 [2021-07-14 13:49:35,950 WARN L205 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 1917 DAG size of output: 1769 [2021-07-14 13:49:41,590 WARN L205 SmtUtils]: Spent 5.63 s on a formula simplification. DAG size of input: 2194 DAG size of output: 2044 [2021-07-14 13:49:49,420 WARN L205 SmtUtils]: Spent 7.82 s on a formula simplification. DAG size of input: 2459 DAG size of output: 2323 [2021-07-14 13:49:50,028 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 587 [2021-07-14 13:49:50,250 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 541 [2021-07-14 13:49:50,810 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 446 [2021-07-14 13:49:51,007 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 223 [2021-07-14 13:49:51,398 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 257 [2021-07-14 13:49:51,629 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 351 [2021-07-14 13:49:52,306 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 387 [2021-07-14 13:49:52,996 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 531 [2021-07-14 13:49:53,678 WARN L205 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 771 DAG size of output: 708 [2021-07-14 13:49:54,204 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 350 [2021-07-14 13:49:54,468 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 354 [2021-07-14 13:49:55,313 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 443 [2021-07-14 13:49:55,662 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 256 [2021-07-14 13:49:55,958 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 311 [2021-07-14 13:49:56,431 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 289 [2021-07-14 13:49:56,803 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 344 [2021-07-14 13:49:58,112 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 734 DAG size of output: 696 [2021-07-14 13:50:00,636 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 1237 DAG size of output: 1148 [2021-07-14 13:50:00,802 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 306 [2021-07-14 13:50:01,269 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 348 [2021-07-14 13:50:02,021 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 473 [2021-07-14 13:50:02,426 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 690 [2021-07-14 13:50:03,069 WARN L205 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 795 DAG size of output: 784 [2021-07-14 13:50:03,927 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 357 [2021-07-14 13:50:04,536 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 288 [2021-07-14 13:50:04,783 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 381 [2021-07-14 13:50:05,166 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 269 [2021-07-14 13:50:05,309 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 311 [2021-07-14 13:50:05,797 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 550 [2021-07-14 13:50:06,724 WARN L205 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 790 DAG size of output: 792 [2021-07-14 13:50:12,223 WARN L205 SmtUtils]: Spent 5.49 s on a formula simplification. DAG size of input: 2269 DAG size of output: 2166 [2021-07-14 13:50:20,755 WARN L205 SmtUtils]: Spent 8.45 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2468 [2021-07-14 13:50:31,418 WARN L205 SmtUtils]: Spent 10.65 s on a formula simplification. DAG size of input: 2856 DAG size of output: 2716 [2021-07-14 13:50:53,410 WARN L205 SmtUtils]: Spent 21.98 s on a formula simplification. DAG size of input: 4301 DAG size of output: 4043 [2021-07-14 13:50:54,042 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 637 DAG size of output: 651 [2021-07-14 13:50:55,406 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 634 DAG size of output: 902 [2021-07-14 13:50:56,596 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 478 DAG size of output: 700 [2021-07-14 13:50:57,026 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 194 [2021-07-14 13:50:57,813 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 324 [2021-07-14 13:50:58,205 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 387 [2021-07-14 13:50:58,372 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 280 [2021-07-14 13:50:58,888 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 427 [2021-07-14 13:51:00,892 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 1172 DAG size of output: 1090 [2021-07-14 13:51:01,624 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 381 [2021-07-14 13:51:01,958 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 501 [2021-07-14 13:51:02,580 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 285 [2021-07-14 13:51:03,168 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 662 [2021-07-14 13:51:06,782 WARN L205 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 1655 DAG size of output: 1556 [2021-07-14 13:51:12,893 WARN L205 SmtUtils]: Spent 6.10 s on a formula simplification. DAG size of input: 1952 DAG size of output: 1867 [2021-07-14 13:51:20,738 WARN L205 SmtUtils]: Spent 7.84 s on a formula simplification. DAG size of input: 2252 DAG size of output: 2166 [2021-07-14 13:51:32,150 WARN L205 SmtUtils]: Spent 11.23 s on a formula simplification. DAG size of input: 3203 DAG size of output: 2955 [2021-07-14 13:52:10,588 WARN L205 SmtUtils]: Spent 38.42 s on a formula simplification. DAG size of input: 6325 DAG size of output: 5851 [2021-07-14 13:52:10,732 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2021-07-14 13:52:13,318 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 671 DAG size of output: 978 [2021-07-14 13:52:15,822 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 668 DAG size of output: 961 [2021-07-14 13:52:19,036 WARN L205 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 665 DAG size of output: 974 [2021-07-14 13:52:19,443 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 285 [2021-07-14 13:52:19,624 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 193 [2021-07-14 13:52:19,984 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 337 [2021-07-14 13:52:20,420 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 416 [2021-07-14 13:52:20,839 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 453 [2021-07-14 13:52:21,522 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 563 [2021-07-14 13:52:21,644 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 200 [2021-07-14 13:52:21,984 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 262 [2021-07-14 13:52:22,908 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 316 [2021-07-14 13:52:23,727 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 563 [2021-07-14 13:52:24,206 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 394 [2021-07-14 13:52:25,586 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 658 DAG size of output: 639 [2021-07-14 13:52:31,558 WARN L205 SmtUtils]: Spent 5.97 s on a formula simplification. DAG size of input: 2009 DAG size of output: 1914 [2021-07-14 13:52:41,208 WARN L205 SmtUtils]: Spent 9.64 s on a formula simplification. DAG size of input: 2013 DAG size of output: 1916 [2021-07-14 13:52:54,505 WARN L205 SmtUtils]: Spent 13.28 s on a formula simplification. DAG size of input: 2325 DAG size of output: 2231 [2021-07-14 13:53:15,529 WARN L205 SmtUtils]: Spent 20.77 s on a formula simplification. DAG size of input: 3594 DAG size of output: 3167 [2021-07-14 13:54:22,804 WARN L205 SmtUtils]: Spent 1.12 m on a formula simplification. DAG size of input: 9326 DAG size of output: 8368 [2021-07-14 13:55:45,939 WARN L205 SmtUtils]: Spent 1.38 m on a formula simplification. DAG size of input: 9585 DAG size of output: 8636 [2021-07-14 13:55:49,569 WARN L205 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 1088 DAG size of output: 1536 [2021-07-14 13:55:53,019 WARN L205 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 1085 DAG size of output: 1490 [2021-07-14 13:55:53,189 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2021-07-14 13:55:53,382 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 263 [2021-07-14 13:55:53,519 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 260 [2021-07-14 13:55:53,641 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 224 [2021-07-14 13:55:53,984 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 281 [2021-07-14 13:55:54,209 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 284 [2021-07-14 13:55:54,531 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 336 [2021-07-14 13:55:55,030 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 401 [2021-07-14 13:55:55,680 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 403 [2021-07-14 13:55:56,076 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 367 [2021-07-14 13:55:56,442 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 359 [2021-07-14 13:55:56,983 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 364 [2021-07-14 13:55:57,271 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 246 [2021-07-14 13:55:58,251 WARN L205 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 628 DAG size of output: 589 [2021-07-14 13:55:59,271 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 633 DAG size of output: 592 [2021-07-14 13:56:00,771 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 757 DAG size of output: 712 [2021-07-14 13:56:00,888 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 244 [2021-07-14 13:56:01,009 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 243 [2021-07-14 13:56:01,124 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 233 [2021-07-14 13:56:01,653 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 322 [2021-07-14 13:56:01,883 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 368 [2021-07-14 13:56:02,256 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 422 [2021-07-14 13:56:02,814 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 469 [2021-07-14 13:56:05,340 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 1092 DAG size of output: 1023 [2021-07-14 13:56:09,159 WARN L205 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 1294 DAG size of output: 1202 [2021-07-14 13:56:09,268 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 840 [2021-07-14 13:56:09,735 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 412 [2021-07-14 13:56:10,347 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 236 [2021-07-14 13:56:10,651 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 297 [2021-07-14 13:56:11,222 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 352 [2021-07-14 13:56:11,699 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 302 [2021-07-14 13:56:11,988 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 326 [2021-07-14 13:56:12,428 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 350 [2021-07-14 13:56:13,125 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 493 [2021-07-14 13:56:13,849 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 641 DAG size of output: 602 [2021-07-14 13:56:14,888 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 779 DAG size of output: 741 [2021-07-14 13:56:16,639 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 987 DAG size of output: 950 [2021-07-14 13:56:18,913 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 1124 DAG size of output: 1088 [2021-07-14 13:56:22,570 WARN L205 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 1499 DAG size of output: 1406 [2021-07-14 13:56:23,110 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 340 [2021-07-14 13:56:23,329 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 353 [2021-07-14 13:56:23,993 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 587 DAG size of output: 571 [2021-07-14 13:56:24,347 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 727 DAG size of output: 707 [2021-07-14 13:56:24,920 WARN L205 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 816 DAG size of output: 802 [2021-07-14 13:56:25,462 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 333 [2021-07-14 13:56:26,358 WARN L205 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 1003 [2021-07-14 13:56:26,618 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 366 [2021-07-14 13:56:26,751 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 322 [2021-07-14 13:56:26,879 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 306 [2021-07-14 13:56:27,370 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 586 [2021-07-14 13:56:27,746 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 693 DAG size of output: 674 [2021-07-14 13:56:28,382 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 818 DAG size of output: 794 [2021-07-14 13:56:28,542 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 312 [2021-07-14 13:56:29,223 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 532 [2021-07-14 13:56:29,667 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 676 [2021-07-14 13:56:30,013 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 305 [2021-07-14 13:56:30,709 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 845 DAG size of output: 815 [2021-07-14 13:56:31,206 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 301 [2021-07-14 13:56:31,413 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 311 [2021-07-14 13:56:31,526 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 318 [2021-07-14 13:56:31,880 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 499 [2021-07-14 13:56:32,137 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 664 DAG size of output: 632 [2021-07-14 13:56:32,338 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 335 [2021-07-14 13:56:32,447 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 297 [2021-07-14 13:56:32,553 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 299 [2021-07-14 13:56:33,460 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 517 [2021-07-14 13:56:33,798 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 639 [2021-07-14 13:56:34,306 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 804 DAG size of output: 760 [2021-07-14 13:56:35,082 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 917 DAG size of output: 878 [2021-07-14 13:56:36,259 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1213 DAG size of output: 1168 [2021-07-14 13:56:38,833 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 1965 DAG size of output: 1905 [2021-07-14 13:56:44,009 WARN L205 SmtUtils]: Spent 5.17 s on a formula simplification. DAG size of input: 2878 DAG size of output: 2788 [2021-07-14 13:56:52,880 WARN L205 SmtUtils]: Spent 8.86 s on a formula simplification. DAG size of input: 4237 DAG size of output: 3592 [2021-07-14 13:57:07,236 WARN L205 SmtUtils]: Spent 14.34 s on a formula simplification. DAG size of input: 5311 DAG size of output: 4573 [2021-07-14 13:57:28,594 WARN L205 SmtUtils]: Spent 21.33 s on a formula simplification. DAG size of input: 6289 DAG size of output: 5463 [2021-07-14 13:57:58,350 WARN L205 SmtUtils]: Spent 29.72 s on a formula simplification. DAG size of input: 6859 DAG size of output: 6051 [2021-07-14 13:58:32,844 WARN L205 SmtUtils]: Spent 34.46 s on a formula simplification. DAG size of input: 6979 DAG size of output: 6178 [2021-07-14 14:00:51,791 WARN L205 SmtUtils]: Spent 2.31 m on a formula simplification. DAG size of input: 15531 DAG size of output: 13741 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown