/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-13 23:27:15,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-13 23:27:15,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-13 23:27:15,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-13 23:27:15,097 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-None-NoLbe.epf [2021-07-13 23:27:15,113 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-13 23:27:15,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-13 23:27:15,113 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-13 23:27:15,113 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-13 23:27:15,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-13 23:27:15,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-13 23:27:15,115 INFO L138 SettingsManager]: * Use SBE=true [2021-07-13 23:27:15,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-13 23:27:15,115 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-13 23:27:15,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-13 23:27:15,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-13 23:27:15,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-13 23:27:15,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-13 23:27:15,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-13 23:27:15,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-13 23:27:15,116 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-13 23:27:15,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-13 23:27:15,116 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-13 23:27:15,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-13 23:27:15,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-13 23:27:15,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-13 23:27:15,116 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-13 23:27:15,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-13 23:27:15,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 23:27:15,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-13 23:27:15,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-13 23:27:15,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-13 23:27:15,117 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-13 23:27:15,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-13 23:27:15,117 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-13 23:27:15,118 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-13 23:27:15,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-13 23:27:15,118 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-13 23:27:15,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-13 23:27:15,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-13 23:27:15,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-13 23:27:15,357 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-13 23:27:15,358 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-13 23:27:15,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl [2021-07-13 23:27:15,359 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl' [2021-07-13 23:27:15,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-13 23:27:15,382 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-13 23:27:15,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-13 23:27:15,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-13 23:27:15,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-13 23:27:15,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:27:15" (1/1) ... [2021-07-13 23:27:15,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:27:15" (1/1) ... [2021-07-13 23:27:15,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-13 23:27:15,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-13 23:27:15,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-13 23:27:15,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-13 23:27:15,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:27:15" (1/1) ... [2021-07-13 23:27:15,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:27:15" (1/1) ... [2021-07-13 23:27:15,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:27:15" (1/1) ... [2021-07-13 23:27:15,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:27:15" (1/1) ... [2021-07-13 23:27:15,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:27:15" (1/1) ... [2021-07-13 23:27:15,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:27:15" (1/1) ... [2021-07-13 23:27:15,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:27:15" (1/1) ... [2021-07-13 23:27:15,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-13 23:27:15,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-13 23:27:15,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-13 23:27:15,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-13 23:27:15,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:27:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 23:27:15,515 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-13 23:27:15,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-13 23:27:15,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-13 23:27:15,516 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-13 23:27:15,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-13 23:27:15,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-13 23:27:15,516 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-13 23:27:15,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-13 23:27:15,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-13 23:27:15,516 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-13 23:27:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-13 23:27:15,517 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-13 23:27:15,518 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-13 23:27:15,688 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-13 23:27:15,689 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-13 23:27:15,690 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:27:15 BoogieIcfgContainer [2021-07-13 23:27:15,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-13 23:27:15,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-13 23:27:15,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-13 23:27:15,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-13 23:27:15,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:27:15" (1/2) ... [2021-07-13 23:27:15,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3237b24a and model type sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:27:15, skipping insertion in model container [2021-07-13 23:27:15,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:27:15" (2/2) ... [2021-07-13 23:27:15,707 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun-alt.wvr.bpl [2021-07-13 23:27:15,711 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-13 23:27:15,711 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-13 23:27:15,711 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-13 23:27:15,711 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-13 23:27:15,771 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-13 23:27:15,798 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 [2021-07-13 23:27:15,860 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 23:27:15,860 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 23:27:15,860 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 23:27:15,860 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 23:27:15,860 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 23:27:15,861 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 23:27:15,862 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 23:27:15,862 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-13 23:27:15,876 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 29 transitions, 82 flow [2021-07-13 23:27:15,903 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 112 states, 111 states have (on average 2.810810810810811) internal successors, (312), 111 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:27:15,916 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:27:15,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:27:15,926 INFO L82 PathProgramCache]: Analyzing trace with hash -14689673, now seen corresponding path program 1 times [2021-07-13 23:27:15,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:27:15,932 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516727917] [2021-07-13 23:27:15,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:27:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:27:16,172 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 23:27:16,172 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:27:16,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516727917] [2021-07-13 23:27:16,173 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516727917] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:16,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014948450] [2021-07-13 23:27:16,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:27:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:27:16,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-13 23:27:16,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:27:16,444 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 23:27:16,444 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014948450] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:16,444 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:27:16,444 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-13 23:27:16,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881814637] [2021-07-13 23:27:16,448 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-13 23:27:16,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:27:16,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-13 23:27:16,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-07-13 23:27:16,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:16,461 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:27:16,461 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:27:16,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:16,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:16,773 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-13 23:27:16,773 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:27:16,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:27:16,774 INFO L82 PathProgramCache]: Analyzing trace with hash -2096237483, now seen corresponding path program 2 times [2021-07-13 23:27:16,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:27:16,774 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965895348] [2021-07-13 23:27:16,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:27:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:27:17,104 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:27:17,104 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:27:17,104 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965895348] [2021-07-13 23:27:17,129 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965895348] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:17,129 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667917272] [2021-07-13 23:27:17,130 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:27:17,165 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 23:27:17,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:27:17,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-13 23:27:17,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:27:17,410 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:27:17,410 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2021-07-13 23:27:17,430 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-13 23:27:17,443 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:27:17,472 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 23:27:17,473 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:51 [2021-07-13 23:27:17,541 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:27:17,542 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667917272] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:17,542 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:27:17,542 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-07-13 23:27:17,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714747180] [2021-07-13 23:27:17,543 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-13 23:27:17,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:27:17,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-13 23:27:17,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2021-07-13 23:27:17,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:17,544 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:27:17,544 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 19 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:27:17,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:17,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:18,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:18,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:18,539 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:27:18,539 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:27:18,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:27:18,540 INFO L82 PathProgramCache]: Analyzing trace with hash 223283601, now seen corresponding path program 3 times [2021-07-13 23:27:18,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:27:18,540 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481847033] [2021-07-13 23:27:18,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:27:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:27:18,604 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:27:18,605 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:27:18,605 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481847033] [2021-07-13 23:27:18,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481847033] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:18,606 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399650480] [2021-07-13 23:27:18,606 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:27:18,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-13 23:27:18,653 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:27:18,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-13 23:27:18,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:27:18,817 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:27:18,818 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399650480] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:18,818 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:27:18,818 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2021-07-13 23:27:18,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425414198] [2021-07-13 23:27:18,818 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-13 23:27:18,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:27:18,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-13 23:27:18,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2021-07-13 23:27:18,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:18,822 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:27:18,822 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 18 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:27:18,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:18,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:18,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:18,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:18,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:18,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:27:19,198 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:27:19,199 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:27:19,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:27:19,199 INFO L82 PathProgramCache]: Analyzing trace with hash -2081674347, now seen corresponding path program 4 times [2021-07-13 23:27:19,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:27:19,199 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835696659] [2021-07-13 23:27:19,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:27:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:27:19,278 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 23:27:19,278 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:27:19,278 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835696659] [2021-07-13 23:27:19,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835696659] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:19,278 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505082769] [2021-07-13 23:27:19,278 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:27:19,306 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 23:27:19,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:27:19,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-13 23:27:19,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:27:19,414 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-13 23:27:19,414 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505082769] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:19,414 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:27:19,415 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 18 [2021-07-13 23:27:19,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9436966] [2021-07-13 23:27:19,415 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-13 23:27:19,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:27:19,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-13 23:27:19,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2021-07-13 23:27:19,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:19,416 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:27:19,416 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 18 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:27:19,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:19,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:19,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:27:19,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:19,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:19,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:19,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:27:19,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:27:19,764 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:27:19,765 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:27:19,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:27:19,765 INFO L82 PathProgramCache]: Analyzing trace with hash -2089053423, now seen corresponding path program 5 times [2021-07-13 23:27:19,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:27:19,766 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730377161] [2021-07-13 23:27:19,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:27:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:27:20,405 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 4 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:27:20,406 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:27:20,406 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730377161] [2021-07-13 23:27:20,406 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730377161] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:20,406 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712537955] [2021-07-13 23:27:20,406 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:27:20,450 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-13 23:27:20,450 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:27:20,451 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 55 conjunts are in the unsatisfiable core [2021-07-13 23:27:20,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:27:21,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:21,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:21,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:27:21,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:21,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:21,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:21,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2021-07-13 23:27:21,249 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 23:27:21,253 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:27:21,255 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 23:27:21,255 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:3 [2021-07-13 23:27:21,282 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:27:21,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712537955] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:21,282 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:27:21,282 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19] total 37 [2021-07-13 23:27:21,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872210613] [2021-07-13 23:27:21,283 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-13 23:27:21,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:27:21,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-13 23:27:21,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1214, Unknown=0, NotChecked=0, Total=1332 [2021-07-13 23:27:21,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:21,284 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:27:21,284 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.081081081081081) internal successors, (77), 37 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:27:21,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:21,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:21,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:27:21,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:27:21,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:23,864 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 99 [2021-07-13 23:27:24,193 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 94 [2021-07-13 23:27:24,535 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 104 [2021-07-13 23:27:24,683 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 79 [2021-07-13 23:27:24,962 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 84 [2021-07-13 23:27:25,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:25,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:25,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:27:25,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:27:25,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:27:25,954 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:27:25,954 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:27:25,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:27:25,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1502281795, now seen corresponding path program 6 times [2021-07-13 23:27:25,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:27:25,955 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809447783] [2021-07-13 23:27:25,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:27:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:27:26,110 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 45 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:27:26,110 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:27:26,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809447783] [2021-07-13 23:27:26,111 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809447783] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:26,111 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024588766] [2021-07-13 23:27:26,111 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:27:26,147 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-13 23:27:26,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:27:26,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-13 23:27:26,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:27:26,539 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 45 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:27:26,539 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024588766] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:26,539 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:27:26,539 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 40 [2021-07-13 23:27:26,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192089382] [2021-07-13 23:27:26,540 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-13 23:27:26,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:27:26,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-13 23:27:26,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=1261, Unknown=0, NotChecked=0, Total=1560 [2021-07-13 23:27:26,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:26,541 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:27:26,541 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 2.325) internal successors, (93), 40 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) [2021-07-13 23:27:26,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:26,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:26,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:27:26,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:27:26,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:27:26,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:27:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:27:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:27:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:27:27,060 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:27:27,060 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:27:27,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:27:27,061 INFO L82 PathProgramCache]: Analyzing trace with hash 616833919, now seen corresponding path program 7 times [2021-07-13 23:27:27,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:27:27,061 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111114428] [2021-07-13 23:27:27,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:27:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:27:28,071 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 36 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:27:28,072 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:27:28,072 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111114428] [2021-07-13 23:27:28,072 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111114428] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:28,072 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123485558] [2021-07-13 23:27:28,072 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:27:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:27:28,120 WARN L261 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 88 conjunts are in the unsatisfiable core [2021-07-13 23:27:28,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:27:29,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:29,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:29,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:29,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:29,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:29,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:29,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:29,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:29,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:27:29,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:29,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:27:29,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 45 disjoint index pairs (out of 66 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 27 [2021-07-13 23:27:29,178 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 23:27:29,181 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:27:29,182 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 23:27:29,182 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:3 [2021-07-13 23:27:29,209 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:27:29,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123485558] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:29,209 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:27:29,209 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 49 [2021-07-13 23:27:29,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196039524] [2021-07-13 23:27:29,210 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-13 23:27:29,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:27:29,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-13 23:27:29,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=2179, Unknown=0, NotChecked=0, Total=2352 [2021-07-13 23:27:29,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:29,211 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:27:29,211 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 2.204081632653061) internal successors, (108), 49 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:27:29,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:29,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:29,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:27:29,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:27:29,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:27:29,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:27:29,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:32,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:32,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:32,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:27:32,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:27:32,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:27:32,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:27:32,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:27:33,033 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-07-13 23:27:33,033 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:27:33,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:27:33,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1677637445, now seen corresponding path program 8 times [2021-07-13 23:27:33,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:27:33,034 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756031386] [2021-07-13 23:27:33,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:27:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:27:33,266 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 100 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:27:33,266 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:27:33,266 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756031386] [2021-07-13 23:27:33,267 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756031386] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:33,267 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442036189] [2021-07-13 23:27:33,267 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:27:33,319 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 23:27:33,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:27:33,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-13 23:27:33,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:27:33,855 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 121 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:27:33,856 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442036189] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:33,856 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:27:33,856 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 49 [2021-07-13 23:27:33,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969689024] [2021-07-13 23:27:33,856 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-13 23:27:33,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:27:33,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-13 23:27:33,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=1934, Unknown=0, NotChecked=0, Total=2352 [2021-07-13 23:27:33,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:33,857 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:27:33,858 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 2.2857142857142856) internal successors, (112), 49 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:27:33,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:33,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:33,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:27:33,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:27:33,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:27:33,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:27:33,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:27:33,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:27:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:27:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:27:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:27:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:27:34,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:27:35,061 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:27:35,061 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:27:35,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:27:35,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1423090991, now seen corresponding path program 9 times [2021-07-13 23:27:35,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:27:35,062 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733963084] [2021-07-13 23:27:35,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:27:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:27:35,361 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 172 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:27:35,361 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:27:35,361 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733963084] [2021-07-13 23:27:35,361 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733963084] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:35,361 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574659719] [2021-07-13 23:27:35,361 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:27:35,411 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-07-13 23:27:35,411 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:27:35,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-13 23:27:35,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:27:36,101 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 172 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:27:36,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574659719] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:36,101 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:27:36,101 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 60 [2021-07-13 23:27:36,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613743449] [2021-07-13 23:27:36,102 INFO L462 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-07-13 23:27:36,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:27:36,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-07-13 23:27:36,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=668, Invalid=2872, Unknown=0, NotChecked=0, Total=3540 [2021-07-13 23:27:36,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:36,103 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:27:36,103 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 60 states, 60 states have (on average 2.216666666666667) internal successors, (133), 60 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:27:36,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:36,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:36,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:27:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:27:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:27:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:27:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:27:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:27:36,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:36,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:36,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:36,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:27:36,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:27:36,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:27:36,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:27:36,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:27:36,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:27:36,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:27:36,612 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:27:36,613 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:27:36,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:27:36,613 INFO L82 PathProgramCache]: Analyzing trace with hash -156926293, now seen corresponding path program 10 times [2021-07-13 23:27:36,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:27:36,613 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378772940] [2021-07-13 23:27:36,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:27:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:27:36,961 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 159 proven. 237 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:27:36,961 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:27:36,961 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378772940] [2021-07-13 23:27:36,961 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378772940] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:36,961 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599573587] [2021-07-13 23:27:36,962 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:27:36,999 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 23:27:36,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:27:37,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-13 23:27:37,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:27:37,730 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 185 proven. 209 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 23:27:37,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599573587] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:37,731 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:27:37,731 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 32] total 64 [2021-07-13 23:27:37,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776440074] [2021-07-13 23:27:37,731 INFO L462 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-07-13 23:27:37,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:27:37,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-07-13 23:27:37,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=534, Invalid=3498, Unknown=0, NotChecked=0, Total=4032 [2021-07-13 23:27:37,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:37,733 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:27:37,733 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 2.296875) internal successors, (147), 64 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:27:37,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:37,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:37,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:27:37,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:27:37,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:27:37,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:27:37,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:27:37,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:27:37,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:27:37,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:39,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:39,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:39,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:27:39,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:27:39,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:27:39,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:27:39,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:27:39,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:27:39,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:27:39,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:27:39,309 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-13 23:27:39,309 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:27:39,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:27:39,309 INFO L82 PathProgramCache]: Analyzing trace with hash 2092412391, now seen corresponding path program 11 times [2021-07-13 23:27:39,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:27:39,310 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241329507] [2021-07-13 23:27:39,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:27:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:27:41,251 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 144 proven. 312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:27:41,251 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:27:41,251 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241329507] [2021-07-13 23:27:41,251 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241329507] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:41,251 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727703910] [2021-07-13 23:27:41,251 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:27:41,303 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2021-07-13 23:27:41,303 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:27:41,305 WARN L261 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 136 conjunts are in the unsatisfiable core [2021-07-13 23:27:41,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:27:43,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:43,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:43,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:43,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:43,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:43,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:27:43,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:43,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:43,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:43,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:43,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:43,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:43,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:43,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:43,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:43,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:43,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:43,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:43,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:27:43,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 120 disjoint index pairs (out of 153 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 39 [2021-07-13 23:27:43,909 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 23:27:43,913 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:27:43,914 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 23:27:43,914 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:111, output treesize:3 [2021-07-13 23:27:43,957 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:27:43,957 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727703910] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:43,957 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:27:43,958 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 38] total 73 [2021-07-13 23:27:43,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244432774] [2021-07-13 23:27:43,958 INFO L462 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-07-13 23:27:43,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:27:43,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-07-13 23:27:43,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=4948, Unknown=0, NotChecked=0, Total=5256 [2021-07-13 23:27:43,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:43,959 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:27:43,960 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 73 states, 73 states have (on average 2.136986301369863) internal successors, (156), 73 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:27:43,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:43,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:43,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:27:43,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:27:43,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:27:43,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:27:43,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:27:43,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:27:43,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:27:43,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:27:43,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:27:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:27:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:27:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:27:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:27:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:27:50,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:27:50,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:27:50,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-13 23:27:50,760 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-13 23:27:50,760 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:27:50,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:27:50,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1130880803, now seen corresponding path program 12 times [2021-07-13 23:27:50,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:27:50,761 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551307863] [2021-07-13 23:27:50,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:27:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:27:51,212 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 256 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:27:51,213 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:27:51,213 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551307863] [2021-07-13 23:27:51,213 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551307863] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:51,213 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551175712] [2021-07-13 23:27:51,213 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:27:51,262 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2021-07-13 23:27:51,263 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:27:51,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-13 23:27:51,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:27:52,290 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 289 proven. 235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:27:52,290 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551175712] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:52,290 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:27:52,290 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 73 [2021-07-13 23:27:52,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430893333] [2021-07-13 23:27:52,290 INFO L462 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-07-13 23:27:52,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:27:52,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-07-13 23:27:52,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=940, Invalid=4316, Unknown=0, NotChecked=0, Total=5256 [2021-07-13 23:27:52,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:52,292 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:27:52,292 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 73 states, 73 states have (on average 2.191780821917808) internal successors, (160), 73 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:27:52,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:52,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:52,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:27:52,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:27:52,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:27:52,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:27:52,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:27:52,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:27:52,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:27:52,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:27:52,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-13 23:27:52,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:54,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:54,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:54,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:27:54,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:27:54,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:27:54,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:27:54,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:27:54,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:27:54,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:27:54,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:27:54,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-13 23:27:54,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-13 23:27:54,373 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-13 23:27:54,374 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:27:54,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:27:54,374 INFO L82 PathProgramCache]: Analyzing trace with hash 597901207, now seen corresponding path program 13 times [2021-07-13 23:27:54,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:27:54,374 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290345802] [2021-07-13 23:27:54,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:27:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:27:54,942 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 364 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:27:54,942 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:27:54,942 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290345802] [2021-07-13 23:27:54,943 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290345802] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:54,943 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014601115] [2021-07-13 23:27:54,943 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:27:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:27:54,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-13 23:27:54,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:27:56,121 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 394 proven. 324 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-13 23:27:56,121 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014601115] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:56,121 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:27:56,121 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 40] total 82 [2021-07-13 23:27:56,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759698172] [2021-07-13 23:27:56,122 INFO L462 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-07-13 23:27:56,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:27:56,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-07-13 23:27:56,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=867, Invalid=5775, Unknown=0, NotChecked=0, Total=6642 [2021-07-13 23:27:56,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:56,123 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:27:56,123 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 2.231707317073171) internal successors, (183), 82 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:27:56,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:56,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:56,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:27:56,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:27:56,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:27:56,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:27:56,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:27:56,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:27:56,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:27:56,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:27:56,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-13 23:27:56,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-13 23:27:56,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:57,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:57,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:57,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:27:57,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:27:57,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:27:57,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:27:57,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:27:57,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:27:57,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:27:57,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:27:57,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-13 23:27:57,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-13 23:27:57,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-13 23:27:58,057 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:27:58,057 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:27:58,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:27:58,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1609614611, now seen corresponding path program 14 times [2021-07-13 23:27:58,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:27:58,057 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734911854] [2021-07-13 23:27:58,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:27:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:27:58,656 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 345 proven. 459 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:27:58,656 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:27:58,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734911854] [2021-07-13 23:27:58,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734911854] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:58,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067727170] [2021-07-13 23:27:58,656 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:27:58,706 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 23:27:58,706 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:27:58,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-13 23:27:58,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:27:59,956 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 383 proven. 419 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 23:27:59,957 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067727170] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:59,957 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:27:59,957 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 44] total 88 [2021-07-13 23:27:59,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832571989] [2021-07-13 23:27:59,957 INFO L462 AbstractCegarLoop]: Interpolant automaton has 88 states [2021-07-13 23:27:59,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:27:59,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-07-13 23:27:59,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=996, Invalid=6660, Unknown=0, NotChecked=0, Total=7656 [2021-07-13 23:27:59,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:59,959 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:27:59,959 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 88 states, 88 states have (on average 2.215909090909091) internal successors, (195), 88 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:27:59,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:59,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:59,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:27:59,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:27:59,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:27:59,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:27:59,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:27:59,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:27:59,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:27:59,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:27:59,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-13 23:27:59,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-13 23:27:59,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-13 23:27:59,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:28:02,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:28:02,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:28:02,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:28:02,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:28:02,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:28:02,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:28:02,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:28:02,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:28:02,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:28:02,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:28:02,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-13 23:28:02,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-13 23:28:02,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-13 23:28:02,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-13 23:28:02,336 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:28:02,337 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:28:02,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:28:02,337 INFO L82 PathProgramCache]: Analyzing trace with hash 695730255, now seen corresponding path program 15 times [2021-07-13 23:28:02,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:28:02,337 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640167066] [2021-07-13 23:28:02,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:28:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:28:05,781 INFO L134 CoverageAnalysis]: Checked inductivity of 888 backedges. 324 proven. 564 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:28:05,782 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:28:05,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640167066] [2021-07-13 23:28:05,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640167066] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:28:05,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712259777] [2021-07-13 23:28:05,782 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:28:05,860 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2021-07-13 23:28:05,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:28:05,863 WARN L261 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 189 conjunts are in the unsatisfiable core [2021-07-13 23:28:05,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:28:13,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:28:13,754 INFO L244 Elim1Store]: Index analysis took 199 ms [2021-07-13 23:28:14,303 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2021-07-13 23:28:14,304 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:28:14,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 33 select indices, 33 select index equivalence classes, 462 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 66 case distinctions, treesize of input 161 treesize of output 729 [2021-07-13 23:28:14,766 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 397 [2021-07-13 23:28:15,078 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 397 [2021-07-13 23:28:15,398 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 423 [2021-07-13 23:28:17,995 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 1504 DAG size of output: 954 [2021-07-13 23:28:20,635 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 1516 DAG size of output: 966 [2021-07-13 23:28:26,791 WARN L205 SmtUtils]: Spent 6.10 s on a formula simplification. DAG size of input: 1640 DAG size of output: 1576 [2021-07-13 23:28:33,575 WARN L205 SmtUtils]: Spent 6.74 s on a formula simplification. DAG size of input: 1662 DAG size of output: 1598 [2021-07-13 23:29:37,311 WARN L205 SmtUtils]: Spent 1.06 m on a formula simplification. DAG size of input: 5403 DAG size of output: 4513 [2021-07-13 23:30:44,072 WARN L205 SmtUtils]: Spent 1.11 m on a formula simplification. DAG size of input: 5407 DAG size of output: 4517 [2021-07-13 23:32:22,236 WARN L205 SmtUtils]: Spent 1.63 m on a formula simplification. DAG size of input: 6817 DAG size of output: 5732 [2021-07-13 23:34:10,720 WARN L205 SmtUtils]: Spent 1.81 m on a formula simplification. DAG size of input: 6832 DAG size of output: 5747 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown