/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-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 06:41:28,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 06:41:28,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 06:41:28,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 06:41:28,666 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-NewStatesSleep-NoLbe-Lockstep.epf [2021-07-14 06:41:28,703 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 06:41:28,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 06:41:28,704 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 06:41:28,704 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 06:41:28,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 06:41:28,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 06:41:28,707 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 06:41:28,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 06:41:28,708 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 06:41:28,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 06:41:28,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 06:41:28,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 06:41:28,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 06:41:28,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 06:41:28,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 06:41:28,709 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 06:41:28,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 06:41:28,710 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 06:41:28,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 06:41:28,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 06:41:28,710 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 06:41:28,710 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 06:41:28,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 06:41:28,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 06:41:28,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 06:41:28,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 06:41:28,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 06:41:28,711 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 06:41:28,711 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 06:41:28,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 06:41:28,711 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 06:41:28,712 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 06:41:28,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 06:41:28,712 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 06:41:28,712 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 06:41:29,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 06:41:29,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 06:41:29,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 06:41:29,022 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 06:41:29,023 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 06:41:29,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl [2021-07-14 06:41:29,024 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl' [2021-07-14 06:41:29,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 06:41:29,056 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 06:41:29,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 06:41:29,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 06:41:29,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 06:41:29,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:41:29" (1/1) ... [2021-07-14 06:41:29,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:41:29" (1/1) ... [2021-07-14 06:41:29,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 06:41:29,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 06:41:29,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 06:41:29,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 06:41:29,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:41:29" (1/1) ... [2021-07-14 06:41:29,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:41:29" (1/1) ... [2021-07-14 06:41:29,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:41:29" (1/1) ... [2021-07-14 06:41:29,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:41:29" (1/1) ... [2021-07-14 06:41:29,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:41:29" (1/1) ... [2021-07-14 06:41:29,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:41:29" (1/1) ... [2021-07-14 06:41:29,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:41:29" (1/1) ... [2021-07-14 06:41:29,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 06:41:29,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 06:41:29,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 06:41:29,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 06:41:29,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:41:29" (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 06:41:29,192 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 06:41:29,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 06:41:29,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 06:41:29,192 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 06:41:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 06:41:29,193 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 06:41:29,193 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 06:41:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 06:41:29,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 06:41:29,194 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 06:41:29,195 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 06:41:29,195 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 06:41:29,195 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 06:41:29,444 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 06:41:29,444 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 06:41:29,446 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 06:41:29 BoogieIcfgContainer [2021-07-14 06:41:29,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 06:41:29,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 06:41:29,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 06:41:29,449 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 06:41:29,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:41:29" (1/2) ... [2021-07-14 06:41:29,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d4da879 and model type prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 06:41:29, skipping insertion in model container [2021-07-14 06:41:29,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 06:41:29" (2/2) ... [2021-07-14 06:41:29,452 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons.wvr.bpl [2021-07-14 06:41:29,456 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 06:41:29,457 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 06:41:29,457 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 06:41:29,457 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 06:41:29,485 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 06:41:29,504 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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 06:41:29,580 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 06:41:29,580 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 06:41:29,581 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 06:41:29,581 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 06:41:29,581 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 06:41:29,581 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 06:41:29,581 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 06:41:29,581 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 06:41:29,728 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:41:29,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:41:29,734 INFO L82 PathProgramCache]: Analyzing trace with hash -732545594, now seen corresponding path program 1 times [2021-07-14 06:41:29,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:41:29,744 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477095610] [2021-07-14 06:41:29,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:41:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:41:29,930 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 06:41:29,931 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:41:29,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477095610] [2021-07-14 06:41:29,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477095610] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 06:41:29,932 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 06:41:29,932 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 06:41:29,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644551162] [2021-07-14 06:41:29,936 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 06:41:29,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:41:29,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 06:41:29,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 06:41:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:29,949 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:41:29,951 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 06:41:29,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:30,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:30,037 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 06:41:30,037 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:41:30,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:41:30,038 INFO L82 PathProgramCache]: Analyzing trace with hash -289330472, now seen corresponding path program 2 times [2021-07-14 06:41:30,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:41:30,039 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017276319] [2021-07-14 06:41:30,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:41:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:41:30,077 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 06:41:30,077 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:41:30,077 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017276319] [2021-07-14 06:41:30,078 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017276319] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:30,078 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666391390] [2021-07-14 06:41:30,078 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 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 06:41:30,119 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:41:30,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:41:30,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 06:41:30,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:41:30,315 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 06:41:30,315 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666391390] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:30,315 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:41:30,315 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6] total 8 [2021-07-14 06:41:30,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645238819] [2021-07-14 06:41:30,317 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 06:41:30,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:41:30,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 06:41:30,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-14 06:41:30,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:30,318 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:41:30,318 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:41:30,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:30,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:30,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:30,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:30,733 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:41:30,733 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:41:30,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:41:30,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1357734006, now seen corresponding path program 3 times [2021-07-14 06:41:30,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:41:30,734 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171857043] [2021-07-14 06:41:30,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:41:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:41:30,885 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:41:30,885 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:41:30,885 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171857043] [2021-07-14 06:41:30,885 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171857043] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:30,886 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514430410] [2021-07-14 06:41:30,886 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 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 06:41:30,943 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 06:41:30,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:41:30,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 06:41:30,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:41:31,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 06:41:31,119 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:41:31,124 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:41:31,127 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 06:41:31,128 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:12 [2021-07-14 06:41:31,247 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:41:31,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514430410] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:31,247 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:41:31,247 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 17 [2021-07-14 06:41:31,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100279837] [2021-07-14 06:41:31,248 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 06:41:31,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:41:31,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 06:41:31,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2021-07-14 06:41:31,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:31,250 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:41:31,250 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 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 06:41:31,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:31,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:31,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:31,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:31,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:31,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:41:31,971 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:41:31,972 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:41:31,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:41:31,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1384020266, now seen corresponding path program 4 times [2021-07-14 06:41:31,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:41:31,973 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916358801] [2021-07-14 06:41:31,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:41:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:41:32,032 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 06:41:32,033 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:41:32,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916358801] [2021-07-14 06:41:32,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916358801] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:32,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029451207] [2021-07-14 06:41:32,033 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 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 06:41:32,070 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:41:32,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:41:32,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 06:41:32,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:41:32,143 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 06:41:32,143 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029451207] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:32,143 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:41:32,144 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 5 [2021-07-14 06:41:32,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264825441] [2021-07-14 06:41:32,144 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 06:41:32,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:41:32,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 06:41:32,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-14 06:41:32,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:32,145 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:41:32,146 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:41:32,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:32,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:32,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:41:32,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:32,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:32,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:32,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:41:32,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:41:32,388 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:41:32,389 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:41:32,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:41:32,389 INFO L82 PathProgramCache]: Analyzing trace with hash 902213068, now seen corresponding path program 5 times [2021-07-14 06:41:32,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:41:32,390 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353488740] [2021-07-14 06:41:32,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:41:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:41:32,619 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 06:41:32,620 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:41:32,620 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353488740] [2021-07-14 06:41:32,620 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353488740] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:32,620 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13431276] [2021-07-14 06:41:32,620 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 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 06:41:32,663 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 06:41:32,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:41:32,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 06:41:32,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:41:33,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:41:33,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:41:33,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-07-14 06:41:33,073 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:41:33,080 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:41:33,090 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:41:33,090 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:10 [2021-07-14 06:41:33,174 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:41:33,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13431276] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:33,174 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:41:33,175 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 25 [2021-07-14 06:41:33,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739521658] [2021-07-14 06:41:33,176 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 06:41:33,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:41:33,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 06:41:33,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2021-07-14 06:41:33,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:33,183 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:41:33,183 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.72) internal successors, (68), 25 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 06:41:33,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:33,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:33,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:41:33,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:41:33,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:34,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:34,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:34,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:41:34,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:41:34,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:41:34,876 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:41:34,877 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:41:34,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:41:34,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1762734065, now seen corresponding path program 6 times [2021-07-14 06:41:34,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:41:34,878 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844576212] [2021-07-14 06:41:34,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:41:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:41:34,937 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 06:41:34,938 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:41:34,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844576212] [2021-07-14 06:41:34,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844576212] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:34,940 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184166709] [2021-07-14 06:41:34,940 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 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 06:41:34,976 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 06:41:34,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:41:34,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-14 06:41:34,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:41:35,054 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 06:41:35,055 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184166709] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:35,055 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:41:35,055 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-07-14 06:41:35,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574071799] [2021-07-14 06:41:35,056 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 06:41:35,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:41:35,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 06:41:35,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-07-14 06:41:35,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:35,057 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:41:35,057 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:41:35,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:35,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:35,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:41:35,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:41:35,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:41:35,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:35,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:35,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:35,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:41:35,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:41:35,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:41:35,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:41:35,312 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:41:35,313 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:41:35,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:41:35,313 INFO L82 PathProgramCache]: Analyzing trace with hash -200023277, now seen corresponding path program 7 times [2021-07-14 06:41:35,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:41:35,313 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219994447] [2021-07-14 06:41:35,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:41:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:41:35,604 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 1 proven. 42 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 06:41:35,604 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:41:35,604 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219994447] [2021-07-14 06:41:35,604 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219994447] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:35,605 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70732544] [2021-07-14 06:41:35,605 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 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 06:41:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:41:35,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-14 06:41:35,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:41:36,184 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-07-14 06:41:36,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 18 [2021-07-14 06:41:36,188 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:41:36,192 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:41:36,195 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 06:41:36,195 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:45, output treesize:10 [2021-07-14 06:41:36,278 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 1 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:41:36,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70732544] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:36,278 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:41:36,278 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 33 [2021-07-14 06:41:36,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779474989] [2021-07-14 06:41:36,279 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 06:41:36,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:41:36,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 06:41:36,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=933, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 06:41:36,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:36,280 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:41:36,280 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.242424242424242) internal successors, (74), 33 states have internal predecessors, (74), 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 06:41:36,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:36,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:36,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:41:36,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:41:36,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:41:36,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:41:36,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:38,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:38,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:38,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:41:38,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:41:38,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:41:38,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:41:38,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:41:38,688 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:41:38,688 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:41:38,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:41:38,689 INFO L82 PathProgramCache]: Analyzing trace with hash 64758090, now seen corresponding path program 8 times [2021-07-14 06:41:38,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:41:38,689 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336323919] [2021-07-14 06:41:38,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:41:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:41:38,746 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 06:41:38,746 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:41:38,746 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336323919] [2021-07-14 06:41:38,746 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336323919] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:38,746 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705437434] [2021-07-14 06:41:38,746 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 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 06:41:38,797 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:41:38,798 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:41:38,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 06:41:38,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:41:38,873 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 26 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 06:41:38,873 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [705437434] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:38,873 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:41:38,874 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 7 [2021-07-14 06:41:38,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761709860] [2021-07-14 06:41:38,874 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 06:41:38,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:41:38,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 06:41:38,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-07-14 06:41:38,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:38,875 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:41:38,875 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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 06:41:38,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:38,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:38,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:41:38,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:41:38,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:41:38,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:41:38,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:41:38,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:38,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:38,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:38,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:41:38,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:41:38,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:41:38,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:41:38,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:41:38,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:41:39,156 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-14 06:41:39,157 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:41:39,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:41:39,157 INFO L82 PathProgramCache]: Analyzing trace with hash -949980436, now seen corresponding path program 9 times [2021-07-14 06:41:39,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:41:39,158 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127655664] [2021-07-14 06:41:39,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:41:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:41:39,542 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 1 proven. 68 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 06:41:39,542 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:41:39,542 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127655664] [2021-07-14 06:41:39,542 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127655664] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:39,542 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978455556] [2021-07-14 06:41:39,542 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 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 06:41:39,576 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-14 06:41:39,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:41:39,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 35 conjunts are in the unsatisfiable core [2021-07-14 06:41:39,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:41:40,358 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-07-14 06:41:40,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 22 [2021-07-14 06:41:40,361 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:41:40,366 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:41:40,367 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 06:41:40,367 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:53, output treesize:10 [2021-07-14 06:41:40,468 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 1 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:41:40,468 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978455556] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:40,468 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:41:40,468 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23] total 41 [2021-07-14 06:41:40,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088539511] [2021-07-14 06:41:40,469 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-14 06:41:40,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:41:40,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-14 06:41:40,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=1471, Unknown=0, NotChecked=0, Total=1640 [2021-07-14 06:41:40,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:40,470 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:41:40,471 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 2.097560975609756) internal successors, (86), 41 states have internal predecessors, (86), 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 06:41:40,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:40,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:40,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:41:40,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:41:40,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:41:40,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:41:40,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:41:40,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:41:40,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:43,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:43,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:43,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:41:43,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:41:43,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:41:43,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:41:43,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:41:43,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:41:43,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:41:43,412 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-14 06:41:43,413 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:41:43,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:41:43,413 INFO L82 PathProgramCache]: Analyzing trace with hash 510908113, now seen corresponding path program 10 times [2021-07-14 06:41:43,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:41:43,413 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527240704] [2021-07-14 06:41:43,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:41:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:41:43,469 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 39 proven. 43 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 06:41:43,469 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:41:43,469 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527240704] [2021-07-14 06:41:43,469 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527240704] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:43,469 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629012498] [2021-07-14 06:41:43,469 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 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 06:41:43,504 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:41:43,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:41:43,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 06:41:43,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:41:43,607 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 39 proven. 41 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 06:41:43,607 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629012498] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:43,607 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:41:43,607 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2021-07-14 06:41:43,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413611291] [2021-07-14 06:41:43,608 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 06:41:43,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:41:43,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 06:41:43,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-07-14 06:41:43,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:43,609 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:41:43,609 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 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 06:41:43,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:43,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:43,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:41:43,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:41:43,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:41:43,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:41:43,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:41:43,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:41:43,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:41:43,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:43,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:43,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:43,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:41:43,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:41:43,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:41:43,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:41:43,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:41:43,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:41:43,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:41:43,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:41:43,908 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:41:43,909 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:41:43,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:41:43,909 INFO L82 PathProgramCache]: Analyzing trace with hash -2123831565, now seen corresponding path program 11 times [2021-07-14 06:41:43,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:41:43,910 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658537268] [2021-07-14 06:41:43,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:41:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:41:44,370 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 1 proven. 100 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 06:41:44,370 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:41:44,370 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658537268] [2021-07-14 06:41:44,370 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658537268] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:44,370 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403513555] [2021-07-14 06:41:44,370 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 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 06:41:44,436 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-14 06:41:44,437 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:41:44,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-14 06:41:44,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:41:45,436 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-07-14 06:41:45,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 26 [2021-07-14 06:41:45,438 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:41:45,443 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:41:45,443 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 06:41:45,443 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:65, output treesize:10 [2021-07-14 06:41:45,553 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 1 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:41:45,553 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403513555] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:45,554 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:41:45,554 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 27] total 49 [2021-07-14 06:41:45,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090626446] [2021-07-14 06:41:45,554 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-14 06:41:45,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:41:45,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-14 06:41:45,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=2142, Unknown=0, NotChecked=0, Total=2352 [2021-07-14 06:41:45,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:45,556 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:41:45,556 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 2.0) internal successors, (98), 49 states have internal predecessors, (98), 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 06:41:45,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:45,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:45,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:41:45,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:41:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:41:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:41:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:41:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:41:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:41:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:41:45,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:49,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:49,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:49,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:41:49,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:41:49,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:41:49,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:41:49,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:41:49,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:41:49,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:41:49,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:41:49,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:41:49,684 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-07-14 06:41:49,685 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:41:49,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:41:49,685 INFO L82 PathProgramCache]: Analyzing trace with hash -64351894, now seen corresponding path program 12 times [2021-07-14 06:41:49,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:41:49,685 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860807559] [2021-07-14 06:41:49,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:41:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:41:49,741 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 55 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 06:41:49,741 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:41:49,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860807559] [2021-07-14 06:41:49,742 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860807559] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:49,742 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72874464] [2021-07-14 06:41:49,742 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:41:49,788 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-14 06:41:49,788 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:41:49,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 06:41:49,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:41:49,882 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 55 proven. 60 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 06:41:49,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72874464] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:49,883 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:41:49,883 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 9 [2021-07-14 06:41:49,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284250153] [2021-07-14 06:41:49,883 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 06:41:49,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:41:49,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 06:41:49,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-07-14 06:41:49,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:49,884 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:41:49,884 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 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 06:41:49,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:49,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:49,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:41:49,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:41:49,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:41:49,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:41:49,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:41:49,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:41:49,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:41:49,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:41:49,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:41:49,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:49,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:49,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:49,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:41:49,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:41:49,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:41:49,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:41:49,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:41:49,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:41:49,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:41:49,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:41:49,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:41:49,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:50,198 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-07-14 06:41:50,198 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:41:50,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:41:50,198 INFO L82 PathProgramCache]: Analyzing trace with hash -39387124, now seen corresponding path program 13 times [2021-07-14 06:41:50,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:41:50,199 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853015480] [2021-07-14 06:41:50,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:41:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:41:50,714 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 1 proven. 138 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 06:41:50,715 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:41:50,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853015480] [2021-07-14 06:41:50,715 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853015480] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:50,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064784853] [2021-07-14 06:41:50,715 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:41:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:41:50,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 53 conjunts are in the unsatisfiable core [2021-07-14 06:41:50,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:41:52,063 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-07-14 06:41:52,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 78 treesize of output 30 [2021-07-14 06:41:52,066 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:41:52,071 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:41:52,072 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 06:41:52,072 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:81, output treesize:10 [2021-07-14 06:41:52,236 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 1 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:41:52,237 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064784853] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:52,237 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:41:52,237 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 31] total 57 [2021-07-14 06:41:52,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493122611] [2021-07-14 06:41:52,238 INFO L462 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-07-14 06:41:52,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:41:52,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-07-14 06:41:52,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=2938, Unknown=0, NotChecked=0, Total=3192 [2021-07-14 06:41:52,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:52,241 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:41:52,242 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 1.9298245614035088) internal successors, (110), 57 states have internal predecessors, (110), 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 06:41:52,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:52,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:52,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:41:52,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:41:52,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:41:52,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:41:52,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:41:52,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:41:52,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:41:52,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:41:52,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:41:52,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:52,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:57,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:57,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:57,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:41:57,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:41:57,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:41:57,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:41:57,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:41:57,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:41:57,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:41:57,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:41:57,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:41:57,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:57,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:41:58,001 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-07-14 06:41:58,001 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:41:58,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:41:58,001 INFO L82 PathProgramCache]: Analyzing trace with hash 982824369, now seen corresponding path program 14 times [2021-07-14 06:41:58,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:41:58,001 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570690342] [2021-07-14 06:41:58,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:41:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:41:58,075 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 74 proven. 84 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 06:41:58,075 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:41:58,075 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570690342] [2021-07-14 06:41:58,075 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570690342] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:58,075 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719613388] [2021-07-14 06:41:58,075 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:41:58,111 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:41:58,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:41:58,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 06:41:58,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:41:58,224 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 74 proven. 82 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 06:41:58,224 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719613388] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:58,224 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:41:58,225 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 10 [2021-07-14 06:41:58,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384876846] [2021-07-14 06:41:58,226 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 06:41:58,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:41:58,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 06:41:58,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-07-14 06:41:58,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:58,227 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:41:58,227 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 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 06:41:58,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:58,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:58,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:41:58,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:41:58,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:41:58,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:41:58,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:41:58,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:41:58,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:41:58,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:41:58,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:41:58,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:58,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:41:58,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:41:58,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:41:58,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:58,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:41:58,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:41:58,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:41:58,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:41:58,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:41:58,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:41:58,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:41:58,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:41:58,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:41:58,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:41:58,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:41:58,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:41:58,597 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:41:58,597 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:41:58,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:41:58,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1277648173, now seen corresponding path program 15 times [2021-07-14 06:41:58,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:41:58,598 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028646000] [2021-07-14 06:41:58,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:41:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:41:59,228 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 1 proven. 182 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 06:41:59,228 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:41:59,228 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028646000] [2021-07-14 06:41:59,228 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028646000] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:41:59,228 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096178100] [2021-07-14 06:41:59,228 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:41:59,268 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-14 06:41:59,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:41:59,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-14 06:41:59,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:42:01,094 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-07-14 06:42:01,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 34 [2021-07-14 06:42:01,097 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:42:01,101 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:42:01,101 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 06:42:01,101 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:89, output treesize:10 [2021-07-14 06:42:01,231 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 1 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:42:01,232 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096178100] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:42:01,232 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:42:01,232 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 35] total 65 [2021-07-14 06:42:01,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051176659] [2021-07-14 06:42:01,232 INFO L462 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-07-14 06:42:01,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:42:01,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-07-14 06:42:01,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=3859, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 06:42:01,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:42:01,235 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:42:01,235 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 65 states, 65 states have (on average 1.9692307692307693) internal successors, (128), 65 states have internal predecessors, (128), 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 06:42:01,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:42:01,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:01,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:42:01,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:42:01,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:42:01,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:42:01,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:42:01,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:42:01,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:42:01,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:42:01,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:42:01,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:01,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:42:01,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:42:01,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:42:08,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:42:08,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:08,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:42:08,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:42:08,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:42:08,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:42:08,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:42:08,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:42:08,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:42:08,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:42:08,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:42:08,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:08,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:42:08,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:42:08,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:42:08,310 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-07-14 06:42:08,310 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:42:08,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:42:08,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1422018954, now seen corresponding path program 16 times [2021-07-14 06:42:08,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:42:08,311 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899365357] [2021-07-14 06:42:08,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:42:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:42:08,380 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 96 proven. 109 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 06:42:08,380 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:42:08,380 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899365357] [2021-07-14 06:42:08,380 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899365357] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:42:08,380 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558867012] [2021-07-14 06:42:08,381 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:42:08,417 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:42:08,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:42:08,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 06:42:08,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:42:08,538 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 96 proven. 107 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 06:42:08,538 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558867012] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:42:08,538 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:42:08,538 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 11 [2021-07-14 06:42:08,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672732500] [2021-07-14 06:42:08,538 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 06:42:08,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:42:08,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 06:42:08,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-07-14 06:42:08,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:42:08,540 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:42:08,540 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 states have internal predecessors, (69), 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 06:42:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:42:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:42:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:42:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:42:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:42:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:42:08,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:42:08,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:42:08,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:42:08,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:42:08,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:08,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:42:08,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:42:08,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:42:08,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:42:08,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:42:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:42:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:42:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:42:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:42:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:42:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:42:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:42:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:42:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:42:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:42:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:42:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:42:08,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:42:08,866 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:42:08,866 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:42:08,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:42:08,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1154198228, now seen corresponding path program 17 times [2021-07-14 06:42:08,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:42:08,867 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486080335] [2021-07-14 06:42:08,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:42:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:42:09,619 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 1 proven. 232 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 06:42:09,620 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:42:09,620 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486080335] [2021-07-14 06:42:09,620 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486080335] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:42:09,620 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735972158] [2021-07-14 06:42:09,620 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:42:09,711 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-07-14 06:42:09,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:42:09,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 67 conjunts are in the unsatisfiable core [2021-07-14 06:42:09,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:42:12,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:42:12,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:42:12,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:42:12,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,782 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:42:12,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:42:12,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:42:12,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:42:12,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:42:12,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 28 disjoint index pairs (out of 105 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 38 [2021-07-14 06:42:12,805 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:42:12,812 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:42:12,814 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:42:12,814 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:109, output treesize:10 [2021-07-14 06:42:12,956 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 1 proven. 233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:42:12,956 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735972158] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:42:12,956 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:42:12,956 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 39] total 73 [2021-07-14 06:42:12,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30560961] [2021-07-14 06:42:12,957 INFO L462 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-07-14 06:42:12,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:42:12,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-07-14 06:42:12,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=348, Invalid=4908, Unknown=0, NotChecked=0, Total=5256 [2021-07-14 06:42:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:42:12,959 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:42:12,959 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 73 states, 73 states have (on average 1.8356164383561644) internal successors, (134), 73 states have internal predecessors, (134), 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 06:42:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:42:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:42:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:42:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:42:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:42:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:42:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:42:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:42:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:42:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:42:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:42:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:42:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:42:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:42:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:42:22,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:42:22,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:22,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:42:22,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:42:22,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:42:22,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:42:22,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:42:22,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:42:22,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:42:22,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:42:22,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:42:22,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:22,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:42:22,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:42:22,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:42:22,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:42:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-07-14 06:42:22,690 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-07-14 06:42:22,690 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:42:22,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:42:22,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1667642223, now seen corresponding path program 18 times [2021-07-14 06:42:22,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:42:22,694 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373771] [2021-07-14 06:42:22,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:42:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:42:22,774 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 121 proven. 137 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 06:42:22,774 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:42:22,774 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373771] [2021-07-14 06:42:22,775 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373771] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:42:22,775 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674807081] [2021-07-14 06:42:22,775 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:42:22,836 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-07-14 06:42:22,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:42:22,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 06:42:22,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:42:22,965 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 121 proven. 135 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 06:42:22,965 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674807081] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:42:22,966 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:42:22,966 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 12 [2021-07-14 06:42:22,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063318025] [2021-07-14 06:42:22,966 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 06:42:22,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:42:22,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 06:42:22,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-07-14 06:42:22,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:42:22,966 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:42:22,967 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 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 06:42:22,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:42:22,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:22,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:42:22,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:42:22,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:42:22,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:42:22,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:42:22,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:42:22,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:42:22,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:42:22,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:42:22,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:22,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:42:22,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:42:22,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:42:22,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:42:22,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-07-14 06:42:22,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:42:23,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:42:23,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:23,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:42:23,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:42:23,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:42:23,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:42:23,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:42:23,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:42:23,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:42:23,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:42:23,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:42:23,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:23,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:42:23,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:42:23,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:42:23,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:42:23,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-07-14 06:42:23,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:42:23,376 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-07-14 06:42:23,377 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:42:23,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:42:23,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1137252019, now seen corresponding path program 19 times [2021-07-14 06:42:23,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:42:23,377 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007108255] [2021-07-14 06:42:23,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:42:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:42:24,348 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 1 proven. 288 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 06:42:24,348 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:42:24,348 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007108255] [2021-07-14 06:42:24,348 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007108255] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:42:24,348 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468695892] [2021-07-14 06:42:24,348 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:42:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:42:24,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 77 conjunts are in the unsatisfiable core [2021-07-14 06:42:24,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:42:27,349 INFO L354 Elim1Store]: treesize reduction 432, result has 0.2 percent of original size [2021-07-14 06:42:27,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 114 treesize of output 42 [2021-07-14 06:42:27,351 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:42:27,355 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:42:27,356 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 06:42:27,356 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:117, output treesize:10 [2021-07-14 06:42:27,495 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 1 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:42:27,495 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468695892] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:42:27,495 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:42:27,495 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 43] total 81 [2021-07-14 06:42:27,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882801415] [2021-07-14 06:42:27,495 INFO L462 AbstractCegarLoop]: Interpolant automaton has 81 states [2021-07-14 06:42:27,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:42:27,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2021-07-14 06:42:27,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=404, Invalid=6076, Unknown=0, NotChecked=0, Total=6480 [2021-07-14 06:42:27,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:42:27,497 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:42:27,497 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 81 states, 81 states have (on average 1.8024691358024691) internal successors, (146), 81 states have internal predecessors, (146), 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 06:42:27,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:42:27,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:27,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:42:27,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:42:27,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:42:27,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:42:27,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:42:27,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:42:27,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:42:27,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:42:27,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:42:27,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:27,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:42:27,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:42:27,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:42:27,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:42:27,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-07-14 06:42:27,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:42:27,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:42:38,512 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-07-14 06:42:39,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:42:39,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:39,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:42:39,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:42:39,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:42:39,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:42:39,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:42:39,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:42:39,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:42:39,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:42:39,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:42:39,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:39,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:42:39,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:42:39,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:42:39,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:42:39,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-07-14 06:42:39,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:42:39,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2021-07-14 06:42:39,464 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-07-14 06:42:39,465 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:42:39,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:42:39,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1283536470, now seen corresponding path program 20 times [2021-07-14 06:42:39,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:42:39,465 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364045836] [2021-07-14 06:42:39,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:42:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:42:39,565 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 149 proven. 168 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 06:42:39,565 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:42:39,565 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364045836] [2021-07-14 06:42:39,565 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364045836] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:42:39,565 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169846151] [2021-07-14 06:42:39,565 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:42:39,617 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:42:39,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:42:39,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 06:42:39,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:42:39,756 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 149 proven. 166 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 06:42:39,756 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169846151] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:42:39,756 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:42:39,756 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 13 [2021-07-14 06:42:39,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076822083] [2021-07-14 06:42:39,757 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 06:42:39,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:42:39,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 06:42:39,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-07-14 06:42:39,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:42:39,757 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:42:39,758 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 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 06:42:39,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:42:39,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:39,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:42:39,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:42:39,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:42:39,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:42:39,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:42:39,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:42:39,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:42:39,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:42:39,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:42:39,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:39,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:42:39,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:42:39,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:42:39,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:42:39,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-07-14 06:42:39,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:42:39,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2021-07-14 06:42:39,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:42:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:42:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:42:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:42:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:42:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:42:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:42:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:42:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:42:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:42:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:42:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:42:40,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:42:40,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:42:40,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:42:40,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-07-14 06:42:40,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:42:40,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2021-07-14 06:42:40,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:42:40,243 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-07-14 06:42:40,244 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:42:40,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:42:40,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1893567924, now seen corresponding path program 21 times [2021-07-14 06:42:40,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:42:40,244 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504870196] [2021-07-14 06:42:40,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:42:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:42:41,393 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 1 proven. 350 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 06:42:41,393 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:42:41,393 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504870196] [2021-07-14 06:42:41,393 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504870196] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:42:41,393 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102041818] [2021-07-14 06:42:41,393 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:42:41,439 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2021-07-14 06:42:41,439 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:42:41,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 83 conjunts are in the unsatisfiable core [2021-07-14 06:42:41,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:42:45,082 INFO L354 Elim1Store]: treesize reduction 522, result has 0.2 percent of original size [2021-07-14 06:42:45,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 122 treesize of output 46 [2021-07-14 06:42:45,085 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:42:45,089 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:42:45,090 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 06:42:45,090 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:125, output treesize:10 [2021-07-14 06:42:45,240 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 1 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:42:45,241 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102041818] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:42:45,241 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:42:45,241 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 47] total 89 [2021-07-14 06:42:45,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389432212] [2021-07-14 06:42:45,241 INFO L462 AbstractCegarLoop]: Interpolant automaton has 89 states [2021-07-14 06:42:45,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:42:45,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2021-07-14 06:42:45,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=460, Invalid=7372, Unknown=0, NotChecked=0, Total=7832 [2021-07-14 06:42:45,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:42:45,243 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:42:45,243 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 89 states, 89 states have (on average 1.7752808988764044) internal successors, (158), 89 states have internal predecessors, (158), 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 06:42:45,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:42:45,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:45,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:42:45,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:42:45,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:42:45,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:42:45,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:42:45,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:42:45,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:42:45,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:42:45,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:42:45,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:45,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:42:45,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:42:45,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:42:45,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:42:45,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-07-14 06:42:45,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:42:45,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2021-07-14 06:42:45,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:42:45,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:42:56,791 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2021-07-14 06:42:57,674 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-14 06:42:57,989 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2021-07-14 06:42:58,171 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2021-07-14 06:42:58,329 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-07-14 06:42:59,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:42:59,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:59,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:42:59,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:42:59,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:42:59,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:42:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:42:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:42:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:42:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:42:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:42:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:42:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:42:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:42:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:42:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-07-14 06:42:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:42:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2021-07-14 06:42:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:42:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-07-14 06:42:59,268 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:42:59,268 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:42:59,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:42:59,269 INFO L82 PathProgramCache]: Analyzing trace with hash 657005425, now seen corresponding path program 22 times [2021-07-14 06:42:59,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:42:59,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909280937] [2021-07-14 06:42:59,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:42:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:42:59,382 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 180 proven. 202 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 06:42:59,382 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:42:59,382 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909280937] [2021-07-14 06:42:59,383 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909280937] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:42:59,383 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670261930] [2021-07-14 06:42:59,383 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:42:59,442 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:42:59,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:42:59,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-14 06:42:59,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:42:59,589 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 180 proven. 200 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 06:42:59,589 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670261930] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:42:59,589 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:42:59,589 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 14 [2021-07-14 06:42:59,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800535217] [2021-07-14 06:42:59,590 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 06:42:59,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:42:59,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 06:42:59,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2021-07-14 06:42:59,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:42:59,591 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:42:59,591 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 6.214285714285714) internal successors, (87), 14 states have internal predecessors, (87), 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 06:42:59,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:42:59,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:59,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:42:59,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:42:59,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:42:59,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:42:59,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:42:59,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:42:59,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:42:59,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:42:59,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:42:59,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:59,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:42:59,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:42:59,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:42:59,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:42:59,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-07-14 06:42:59,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:42:59,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2021-07-14 06:42:59,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:42:59,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-07-14 06:42:59,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:42:59,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:42:59,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:59,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:42:59,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:42:59,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:42:59,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:42:59,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:42:59,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:42:59,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:42:59,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:42:59,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:42:59,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:42:59,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:42:59,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:42:59,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:42:59,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:42:59,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-07-14 06:42:59,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:42:59,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2021-07-14 06:42:59,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:42:59,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-07-14 06:42:59,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:43:00,192 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:43:00,193 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:43:00,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:43:00,193 INFO L82 PathProgramCache]: Analyzing trace with hash 220218003, now seen corresponding path program 23 times [2021-07-14 06:43:00,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:43:00,193 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225618512] [2021-07-14 06:43:00,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:43:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:43:01,554 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 1 proven. 418 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 06:43:01,554 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:43:01,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225618512] [2021-07-14 06:43:01,554 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225618512] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:43:01,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812877942] [2021-07-14 06:43:01,554 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:43:01,604 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2021-07-14 06:43:01,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:43:01,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 91 conjunts are in the unsatisfiable core [2021-07-14 06:43:01,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:43:06,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:43:06,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:43:06,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:43:06,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:43:06,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:43:06,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:06,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:43:07,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:43:07,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:43:07,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:43:07,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:43:07,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:43:07,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:43:07,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 55 disjoint index pairs (out of 231 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 50 [2021-07-14 06:43:07,074 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:43:07,080 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:43:07,081 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:43:07,081 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:145, output treesize:10 [2021-07-14 06:43:07,260 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 1 proven. 419 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:43:07,260 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812877942] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:43:07,260 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:43:07,261 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 51] total 97 [2021-07-14 06:43:07,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600979800] [2021-07-14 06:43:07,261 INFO L462 AbstractCegarLoop]: Interpolant automaton has 97 states [2021-07-14 06:43:07,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:43:07,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2021-07-14 06:43:07,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=517, Invalid=8795, Unknown=0, NotChecked=0, Total=9312 [2021-07-14 06:43:07,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:43:07,263 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:43:07,264 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 97 states, 97 states have (on average 1.7525773195876289) internal successors, (170), 97 states have internal predecessors, (170), 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 06:43:07,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:43:07,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:43:07,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:43:07,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:43:07,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:43:07,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:43:07,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:43:07,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:43:07,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:43:07,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:43:07,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:43:07,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:43:07,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:43:07,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:43:07,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:43:07,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:43:07,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-07-14 06:43:07,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:43:07,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2021-07-14 06:43:07,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:43:07,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-07-14 06:43:07,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:43:07,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:43:22,732 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2021-07-14 06:43:24,227 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2021-07-14 06:43:24,596 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2021-07-14 06:43:24,841 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-07-14 06:43:25,038 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2021-07-14 06:43:25,254 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2021-07-14 06:43:25,520 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 104 [2021-07-14 06:43:25,787 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2021-07-14 06:43:26,027 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 108 [2021-07-14 06:43:27,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:43:27,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:43:27,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:43:27,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:43:27,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:43:27,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:43:27,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:43:27,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:43:27,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:43:27,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:43:27,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:43:27,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:43:27,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:43:27,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:43:27,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:43:27,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:43:27,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-07-14 06:43:27,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:43:27,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2021-07-14 06:43:27,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:43:27,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-07-14 06:43:27,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:43:27,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-07-14 06:43:27,846 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-07-14 06:43:27,847 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:43:27,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:43:27,847 INFO L82 PathProgramCache]: Analyzing trace with hash -356937270, now seen corresponding path program 24 times [2021-07-14 06:43:27,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:43:27,847 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834566476] [2021-07-14 06:43:27,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:43:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:43:27,968 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 214 proven. 239 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 06:43:27,968 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:43:27,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834566476] [2021-07-14 06:43:27,968 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834566476] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:43:27,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541859764] [2021-07-14 06:43:27,968 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:43:28,036 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-07-14 06:43:28,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:43:28,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 06:43:28,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:43:28,185 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 214 proven. 237 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 06:43:28,186 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541859764] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:43:28,186 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:43:28,186 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 15 [2021-07-14 06:43:28,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312828750] [2021-07-14 06:43:28,186 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 06:43:28,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:43:28,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 06:43:28,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2021-07-14 06:43:28,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:43:28,187 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:43:28,187 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 6.2) internal successors, (93), 15 states have internal predecessors, (93), 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 06:43:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:43:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:43:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:43:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:43:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:43:28,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:43:28,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:43:28,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:43:28,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:43:28,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:43:28,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:43:28,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:43:28,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:43:28,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:43:28,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:43:28,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:43:28,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-07-14 06:43:28,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:43:28,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2021-07-14 06:43:28,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:43:28,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-07-14 06:43:28,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:43:28,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-07-14 06:43:28,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:43:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:43:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:43:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:43:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:43:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:43:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:43:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:43:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:43:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:43:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:43:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:43:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:43:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:43:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:43:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:43:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:43:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-07-14 06:43:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:43:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2021-07-14 06:43:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:43:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-07-14 06:43:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:43:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-07-14 06:43:28,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 06:43:28,952 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:43:28,953 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:43:28,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:43:28,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1426806636, now seen corresponding path program 25 times [2021-07-14 06:43:28,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:43:28,953 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836126818] [2021-07-14 06:43:28,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:43:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:43:30,656 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 1 proven. 492 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 06:43:30,656 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:43:30,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836126818] [2021-07-14 06:43:30,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836126818] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:43:30,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566061076] [2021-07-14 06:43:30,657 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:43:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:43:30,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 101 conjunts are in the unsatisfiable core [2021-07-14 06:43:30,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:43:36,116 INFO L354 Elim1Store]: treesize reduction 792, result has 0.1 percent of original size [2021-07-14 06:43:36,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 150 treesize of output 54 [2021-07-14 06:43:36,118 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:43:36,122 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:43:36,122 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 06:43:36,122 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:153, output treesize:10 [2021-07-14 06:43:36,304 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 1 proven. 493 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:43:36,304 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566061076] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:43:36,304 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:43:36,304 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 55] total 105 [2021-07-14 06:43:36,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124354779] [2021-07-14 06:43:36,305 INFO L462 AbstractCegarLoop]: Interpolant automaton has 105 states [2021-07-14 06:43:36,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:43:36,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2021-07-14 06:43:36,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=581, Invalid=10339, Unknown=0, NotChecked=0, Total=10920 [2021-07-14 06:43:36,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:43:36,307 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:43:36,307 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 105 states, 105 states have (on average 1.7333333333333334) internal successors, (182), 105 states have internal predecessors, (182), 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 06:43:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:43:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:43:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:43:36,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:43:36,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:43:36,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:43:36,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:43:36,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:43:36,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:43:36,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:43:36,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:43:36,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:43:36,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:43:36,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:43:36,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:43:36,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:43:36,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-07-14 06:43:36,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:43:36,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2021-07-14 06:43:36,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:43:36,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-07-14 06:43:36,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:43:36,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-07-14 06:43:36,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 06:43:36,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:43:48,045 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2021-07-14 06:43:53,508 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2021-07-14 06:43:54,846 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-14 06:43:55,202 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2021-07-14 06:43:55,431 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2021-07-14 06:43:55,615 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2021-07-14 06:43:55,813 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2021-07-14 06:43:56,066 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2021-07-14 06:43:56,319 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2021-07-14 06:43:56,541 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2021-07-14 06:43:56,791 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2021-07-14 06:43:57,008 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2021-07-14 06:43:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:43:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:43:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:43:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:43:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:43:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:43:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:43:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:43:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:43:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:43:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:43:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:43:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:43:58,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:43:58,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:43:58,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:43:58,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-07-14 06:43:58,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:43:58,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2021-07-14 06:43:58,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:43:58,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-07-14 06:43:58,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:43:58,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-07-14 06:43:58,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 06:43:58,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2021-07-14 06:43:58,502 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-07-14 06:43:58,502 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:43:58,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:43:58,502 INFO L82 PathProgramCache]: Analyzing trace with hash 543728209, now seen corresponding path program 26 times [2021-07-14 06:43:58,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:43:58,502 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592533686] [2021-07-14 06:43:58,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:43:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:43:58,634 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 251 proven. 279 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 06:43:58,635 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:43:58,635 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592533686] [2021-07-14 06:43:58,636 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592533686] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:43:58,636 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202864056] [2021-07-14 06:43:58,636 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:43:58,682 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:43:58,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:43:58,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-14 06:43:58,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:43:58,840 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 251 proven. 277 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 06:43:58,841 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202864056] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:43:58,841 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:43:58,841 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 16 [2021-07-14 06:43:58,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350473188] [2021-07-14 06:43:58,841 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 06:43:58,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:43:58,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 06:43:58,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2021-07-14 06:43:58,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:43:58,842 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:43:58,842 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 6.1875) internal successors, (99), 16 states have internal predecessors, (99), 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 06:43:58,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:43:58,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:43:58,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:43:58,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:43:58,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:43:58,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:43:58,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:43:58,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:43:58,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:43:58,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:43:58,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:43:58,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:43:58,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:43:58,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:43:58,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:43:58,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:43:58,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-07-14 06:43:58,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:43:58,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2021-07-14 06:43:58,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:43:58,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-07-14 06:43:58,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:43:58,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-07-14 06:43:58,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 06:43:58,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2021-07-14 06:43:58,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:43:59,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:43:59,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:43:59,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:43:59,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:43:59,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:43:59,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:43:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:43:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:43:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:43:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:43:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:43:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:43:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:43:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:43:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:43:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:43:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-07-14 06:43:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:43:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2021-07-14 06:43:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:43:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-07-14 06:43:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:43:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-07-14 06:43:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 06:43:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2021-07-14 06:43:59,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:43:59,490 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:43:59,490 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:43:59,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:43:59,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1866737267, now seen corresponding path program 27 times [2021-07-14 06:43:59,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:43:59,491 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808815486] [2021-07-14 06:43:59,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:43:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:44:01,460 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 1 proven. 572 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 06:44:01,460 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:44:01,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808815486] [2021-07-14 06:44:01,460 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808815486] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:44:01,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082578436] [2021-07-14 06:44:01,460 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:44:01,521 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-07-14 06:44:01,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:44:01,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 107 conjunts are in the unsatisfiable core [2021-07-14 06:44:01,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:44:07,946 INFO L354 Elim1Store]: treesize reduction 912, result has 0.1 percent of original size [2021-07-14 06:44:07,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 158 treesize of output 58 [2021-07-14 06:44:07,948 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:44:07,952 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:44:07,953 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 06:44:07,953 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:161, output treesize:10 [2021-07-14 06:44:08,151 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 1 proven. 573 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:44:08,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082578436] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:44:08,152 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:44:08,152 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 59] total 113 [2021-07-14 06:44:08,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674405897] [2021-07-14 06:44:08,152 INFO L462 AbstractCegarLoop]: Interpolant automaton has 113 states [2021-07-14 06:44:08,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:44:08,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2021-07-14 06:44:08,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=646, Invalid=12010, Unknown=0, NotChecked=0, Total=12656 [2021-07-14 06:44:08,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:44:08,155 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:44:08,155 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 113 states, 113 states have (on average 1.7168141592920354) internal successors, (194), 113 states have internal predecessors, (194), 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 06:44:08,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:44:08,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:44:08,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:44:08,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:44:08,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:44:08,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:44:08,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:44:08,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:44:08,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:44:08,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:44:08,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:44:08,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:44:08,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:44:08,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:44:08,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:44:08,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:44:08,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-07-14 06:44:08,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:44:08,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2021-07-14 06:44:08,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:44:08,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-07-14 06:44:08,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:44:08,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-07-14 06:44:08,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 06:44:08,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2021-07-14 06:44:08,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:44:08,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:44:29,733 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2021-07-14 06:44:30,097 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-07-14 06:44:30,345 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2021-07-14 06:44:30,540 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2021-07-14 06:44:30,751 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2021-07-14 06:44:31,017 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-07-14 06:44:31,281 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2021-07-14 06:44:31,507 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2021-07-14 06:44:31,788 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2021-07-14 06:44:32,022 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2021-07-14 06:44:32,269 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2021-07-14 06:44:32,561 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2021-07-14 06:44:32,815 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2021-07-14 06:44:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:44:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:44:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:44:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:44:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:44:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:44:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:44:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:44:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:44:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:44:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:44:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:44:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:44:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:44:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:44:34,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:44:34,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-07-14 06:44:34,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:44:34,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2021-07-14 06:44:34,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:44:34,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-07-14 06:44:34,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:44:34,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-07-14 06:44:34,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 06:44:34,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2021-07-14 06:44:34,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:44:34,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2021-07-14 06:44:34,603 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2021-07-14 06:44:34,604 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:44:34,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:44:34,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1723031062, now seen corresponding path program 28 times [2021-07-14 06:44:34,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:44:34,604 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525131188] [2021-07-14 06:44:34,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:44:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:44:34,745 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 291 proven. 322 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 06:44:34,745 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:44:34,745 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525131188] [2021-07-14 06:44:34,746 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525131188] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:44:34,746 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926570847] [2021-07-14 06:44:34,746 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:44:34,817 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:44:34,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:44:34,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-14 06:44:34,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:44:34,978 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 291 proven. 320 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 06:44:34,979 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926570847] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:44:34,979 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:44:34,979 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 17 [2021-07-14 06:44:34,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128962409] [2021-07-14 06:44:34,979 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 06:44:34,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:44:34,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 06:44:34,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2021-07-14 06:44:34,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:44:34,980 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:44:34,980 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 6.176470588235294) internal successors, (105), 17 states have internal predecessors, (105), 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 06:44:34,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:44:34,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:44:34,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:44:34,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:44:34,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:44:34,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:44:34,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:44:34,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:44:34,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:44:34,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:44:34,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:44:34,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:44:34,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:44:34,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:44:34,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:44:34,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:44:34,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2021-07-14 06:44:34,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:44:34,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2021-07-14 06:44:34,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:44:34,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-07-14 06:44:34,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:44:34,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2021-07-14 06:44:34,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 06:44:34,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2021-07-14 06:44:34,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:44:34,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 191 states. [2021-07-14 06:44:34,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:44:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 06:44:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:44:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:44:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 06:44:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:44:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:44:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:44:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:44:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 06:44:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:44:35,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 06:44:35,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:44:35,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 06:44:35,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:44:35,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-14 06:44:35,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:44:35,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-07-14 06:44:35,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:44:35,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2021-07-14 06:44:35,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:44:35,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-07-14 06:44:35,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:44:35,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2021-07-14 06:44:35,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 06:44:35,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2021-07-14 06:44:35,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:44:35,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2021-07-14 06:44:35,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:44:35,736 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:44:35,736 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:44:35,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:44:35,737 INFO L82 PathProgramCache]: Analyzing trace with hash -720829300, now seen corresponding path program 29 times [2021-07-14 06:44:35,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:44:35,737 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062984673] [2021-07-14 06:44:35,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:44:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:44:37,846 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 1 proven. 658 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 06:44:37,846 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:44:37,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062984673] [2021-07-14 06:44:37,847 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062984673] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:44:37,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703381725] [2021-07-14 06:44:37,847 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:44:37,903 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2021-07-14 06:44:37,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:44:37,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 118 conjunts are in the unsatisfiable core [2021-07-14 06:44:37,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:44:47,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:47,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:44:48,184 INFO L244 Elim1Store]: Index analysis took 262 ms [2021-07-14 06:44:49,639 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 490 [2021-07-14 06:44:49,639 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:44:49,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 273 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 105 case distinctions, treesize of input 170 treesize of output 1292 [2021-07-14 06:44:50,785 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 393 [2021-07-14 06:44:50,967 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 447 [2021-07-14 06:44:51,169 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 524 [2021-07-14 06:44:51,550 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 596 [2021-07-14 06:44:51,974 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 688 DAG size of output: 688 [2021-07-14 06:44:52,458 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 782 [2021-07-14 06:44:52,991 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 782 [2021-07-14 06:44:53,640 WARN L205 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 797 [2021-07-14 06:44:53,792 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 797 [2021-07-14 06:44:54,313 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 455 [2021-07-14 06:44:54,549 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 526 [2021-07-14 06:44:54,931 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 726 [2021-07-14 06:44:55,607 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 460 [2021-07-14 06:44:55,828 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 502 [2021-07-14 06:44:56,548 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 659 DAG size of output: 650 [2021-07-14 06:44:56,940 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 445 [2021-07-14 06:44:57,662 WARN L205 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 783 [2021-07-14 06:44:58,503 WARN L205 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 1099 DAG size of output: 1094 [2021-07-14 06:44:59,853 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1264 DAG size of output: 1259 [2021-07-14 06:45:00,405 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 473 [2021-07-14 06:45:00,606 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 556 [2021-07-14 06:45:00,881 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 649 DAG size of output: 649 [2021-07-14 06:45:02,966 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 1539 DAG size of output: 1533 [2021-07-14 06:45:05,047 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 1539 DAG size of output: 1533 [2021-07-14 06:45:07,690 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 1549 DAG size of output: 1543 [2021-07-14 06:45:11,247 WARN L205 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 1545 DAG size of output: 1668 [2021-07-14 06:45:13,806 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 1507 DAG size of output: 1706 [2021-07-14 06:45:14,176 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 1456 DAG size of output: 1456 [2021-07-14 06:45:14,522 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 520 [2021-07-14 06:45:15,162 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 444 [2021-07-14 06:45:15,387 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 618 [2021-07-14 06:45:16,100 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 699 [2021-07-14 06:45:16,804 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 473 [2021-07-14 06:45:17,012 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 523 [2021-07-14 06:45:17,680 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 389 [2021-07-14 06:45:17,961 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 539 [2021-07-14 06:45:18,522 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 436 [2021-07-14 06:45:19,187 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 560 [2021-07-14 06:45:20,161 WARN L205 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 940 DAG size of output: 932 [2021-07-14 06:45:20,551 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 630 [2021-07-14 06:45:21,455 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 574 [2021-07-14 06:45:21,964 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 703 [2021-07-14 06:45:23,852 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1296 DAG size of output: 1289 [2021-07-14 06:45:26,812 WARN L205 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 1575 DAG size of output: 1576 [2021-07-14 06:45:27,301 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 422 [2021-07-14 06:45:27,520 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 619 [2021-07-14 06:45:28,017 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 419 [2021-07-14 06:45:28,868 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 638 [2021-07-14 06:45:29,400 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 862 DAG size of output: 860 [2021-07-14 06:45:30,295 WARN L205 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 980 DAG size of output: 976 [2021-07-14 06:45:35,091 WARN L205 SmtUtils]: Spent 4.79 s on a formula simplification. DAG size of input: 2110 DAG size of output: 2113 [2021-07-14 06:45:42,749 WARN L205 SmtUtils]: Spent 7.65 s on a formula simplification. DAG size of input: 2677 DAG size of output: 2714 [2021-07-14 06:45:54,198 WARN L205 SmtUtils]: Spent 11.44 s on a formula simplification. DAG size of input: 3251 DAG size of output: 3364 [2021-07-14 06:46:05,711 WARN L205 SmtUtils]: Spent 11.50 s on a formula simplification. DAG size of input: 3251 DAG size of output: 3364 [2021-07-14 06:46:20,435 WARN L205 SmtUtils]: Spent 14.63 s on a formula simplification. DAG size of input: 3270 DAG size of output: 3376 [2021-07-14 06:46:47,914 WARN L205 SmtUtils]: Spent 27.45 s on a formula simplification. DAG size of input: 3378 DAG size of output: 4314 [2021-07-14 06:47:06,182 WARN L205 SmtUtils]: Spent 18.23 s on a formula simplification. DAG size of input: 3146 DAG size of output: 3666 [2021-07-14 06:47:19,254 WARN L205 SmtUtils]: Spent 13.04 s on a formula simplification. DAG size of input: 2843 DAG size of output: 3252 [2021-07-14 06:47:28,154 WARN L205 SmtUtils]: Spent 8.87 s on a formula simplification. DAG size of input: 2604 DAG size of output: 3177 [2021-07-14 06:47:35,091 WARN L205 SmtUtils]: Spent 6.92 s on a formula simplification. DAG size of input: 2373 DAG size of output: 2716 [2021-07-14 06:47:46,938 WARN L205 SmtUtils]: Spent 11.82 s on a formula simplification. DAG size of input: 2368 DAG size of output: 3518 [2021-07-14 06:47:47,841 WARN L205 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 1720 DAG size of output: 1720 [2021-07-14 06:47:48,529 WARN L205 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 1523 DAG size of output: 1523 [2021-07-14 06:47:48,691 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 1263 [2021-07-14 06:47:48,866 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 831 [2021-07-14 06:47:49,329 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 430 [2021-07-14 06:47:49,502 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 470 [2021-07-14 06:47:49,761 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 478 [2021-07-14 06:47:50,185 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 514 [2021-07-14 06:47:51,221 WARN L205 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 1070 DAG size of output: 1067 [2021-07-14 06:47:52,180 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 767 [2021-07-14 06:47:53,205 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 565 [2021-07-14 06:47:53,841 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 853 DAG size of output: 859 [2021-07-14 06:47:55,924 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 1814 DAG size of output: 1805 [2021-07-14 06:47:56,050 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 864 DAG size of output: 864 [2021-07-14 06:47:56,534 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 576 [2021-07-14 06:47:57,380 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 623 [2021-07-14 06:47:59,035 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 787 DAG size of output: 810 [2021-07-14 06:48:00,189 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1266 DAG size of output: 1289 [2021-07-14 06:48:04,468 WARN L205 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 2339 DAG size of output: 2344 [2021-07-14 06:48:05,140 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 886 DAG size of output: 1106 [2021-07-14 06:48:05,547 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 354 [2021-07-14 06:48:05,978 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 376 [2021-07-14 06:48:06,368 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 589 [2021-07-14 06:48:07,558 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1246 DAG size of output: 1248 [2021-07-14 06:48:14,499 WARN L205 SmtUtils]: Spent 6.93 s on a formula simplification. DAG size of input: 2800 DAG size of output: 2780 [2021-07-14 06:48:28,910 WARN L205 SmtUtils]: Spent 14.39 s on a formula simplification. DAG size of input: 4618 DAG size of output: 4593 [2021-07-14 06:48:53,643 WARN L205 SmtUtils]: Spent 24.71 s on a formula simplification. DAG size of input: 5650 DAG size of output: 5750 [2021-07-14 06:49:30,572 WARN L205 SmtUtils]: Spent 36.89 s on a formula simplification. DAG size of input: 7100 DAG size of output: 7199 [2021-07-14 06:50:24,768 WARN L205 SmtUtils]: Spent 54.15 s on a formula simplification. DAG size of input: 8557 DAG size of output: 8694 [2021-07-14 06:51:44,977 WARN L205 SmtUtils]: Spent 1.34 m on a formula simplification. DAG size of input: 10231 DAG size of output: 10575 [2021-07-14 06:53:31,769 WARN L205 SmtUtils]: Spent 1.78 m on a formula simplification. DAG size of input: 11928 DAG size of output: 12462 [2021-07-14 06:55:18,343 WARN L205 SmtUtils]: Spent 1.78 m on a formula simplification. DAG size of input: 11928 DAG size of output: 12462 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown