/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 21:03:43,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 21:03:43,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 21:03:43,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 21:03:43,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 21:03:43,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 21:03:43,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 21:03:43,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 21:03:43,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 21:03:43,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 21:03:43,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 21:03:43,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 21:03:43,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 21:03:43,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 21:03:43,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 21:03:43,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 21:03:43,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-16 21:03:43,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 21:03:43,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 21:03:43,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 21:03:43,367 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Symm.epf [2021-06-16 21:03:43,394 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 21:03:43,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 21:03:43,394 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 21:03:43,395 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 21:03:43,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 21:03:43,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 21:03:43,397 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 21:03:43,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 21:03:43,397 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 21:03:43,397 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 21:03:43,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 21:03:43,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 21:03:43,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 21:03:43,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 21:03:43,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 21:03:43,398 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 21:03:43,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 21:03:43,398 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 21:03:43,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 21:03:43,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 21:03:43,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 21:03:43,399 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 21:03:43,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 21:03:43,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 21:03:43,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 21:03:43,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 21:03:43,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 21:03:43,400 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 21:03:43,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 21:03:43,400 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 21:03:43,400 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 21:03:43,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 21:03:43,400 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 21:03:43,401 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-06-16 21:03:43,401 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 21:03:43,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 21:03:43,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 21:03:43,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 21:03:43,657 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-16 21:03:43,657 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-16 21:03:43,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl [2021-06-16 21:03:43,658 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl' [2021-06-16 21:03:43,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 21:03:43,682 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-16 21:03:43,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 21:03:43,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 21:03:43,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 21:03:43,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:03:43" (1/1) ... [2021-06-16 21:03:43,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:03:43" (1/1) ... [2021-06-16 21:03:43,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 21:03:43,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 21:03:43,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 21:03:43,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 21:03:43,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:03:43" (1/1) ... [2021-06-16 21:03:43,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:03:43" (1/1) ... [2021-06-16 21:03:43,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:03:43" (1/1) ... [2021-06-16 21:03:43,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:03:43" (1/1) ... [2021-06-16 21:03:43,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:03:43" (1/1) ... [2021-06-16 21:03:43,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:03:43" (1/1) ... [2021-06-16 21:03:43,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:03:43" (1/1) ... [2021-06-16 21:03:43,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 21:03:43,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 21:03:43,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 21:03:43,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 21:03:43,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:03:43" (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 [2021-06-16 21:03:43,783 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-16 21:03:43,783 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-16 21:03:43,783 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-16 21:03:43,783 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-16 21:03:43,783 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-16 21:03:43,783 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-16 21:03:43,783 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-16 21:03:43,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 21:03:43,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 21:03:43,784 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-16 21:03:43,784 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-16 21:03:43,784 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-16 21:03:43,784 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 21:03:43,974 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 21:03:43,974 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-16 21:03:43,975 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 09:03:43 BoogieIcfgContainer [2021-06-16 21:03:43,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 21:03:43,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 21:03:43,977 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 21:03:43,979 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 21:03:43,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:03:43" (1/2) ... [2021-06-16 21:03:43,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3846b1f5 and model type prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 09:03:43, skipping insertion in model container [2021-06-16 21:03:43,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 09:03:43" (2/2) ... [2021-06-16 21:03:43,981 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons.wvr.bpl [2021-06-16 21:03:43,984 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 21:03:43,984 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 21:03:43,985 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 21:03:43,985 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 21:03:44,041 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-16 21:03:44,055 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 [2021-06-16 21:03:44,104 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 21:03:44,105 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 21:03:44,105 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 21:03:44,105 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 21:03:44,105 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 21:03:44,105 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 21:03:44,105 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 21:03:44,105 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 21:03:44,219 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:03:44,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:03:44,225 INFO L82 PathProgramCache]: Analyzing trace with hash 387575738, now seen corresponding path program 1 times [2021-06-16 21:03:44,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:03:44,232 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380291646] [2021-06-16 21:03:44,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:03:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:03:44,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:03:44,364 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:03:44,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380291646] [2021-06-16 21:03:44,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380291646] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 21:03:44,366 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 21:03:44,366 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 21:03:44,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413498554] [2021-06-16 21:03:44,371 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 21:03:44,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:03:44,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 21:03:44,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 21:03:44,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:03:44,382 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:03:44,383 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-06-16 21:03:44,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:03:44,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:44,398 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 21:03:44,398 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:03:44,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:03:44,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1524654258, now seen corresponding path program 2 times [2021-06-16 21:03:44,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:03:44,399 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525543645] [2021-06-16 21:03:44,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:03:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:03:44,421 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-16 21:03:44,421 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:03:44,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525543645] [2021-06-16 21:03:44,421 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525543645] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 21:03:44,421 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 21:03:44,421 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 21:03:44,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508836744] [2021-06-16 21:03:44,422 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 21:03:44,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:03:44,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 21:03:44,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 21:03:44,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:03:44,423 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:03:44,423 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-06-16 21:03:44,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:44,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:03:44,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:44,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:44,453 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 21:03:44,454 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:03:44,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:03:44,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1817638286, now seen corresponding path program 3 times [2021-06-16 21:03:44,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:03:44,454 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826668679] [2021-06-16 21:03:44,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:03:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:03:44,544 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:03:44,544 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:03:44,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826668679] [2021-06-16 21:03:44,544 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826668679] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:03:44,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72450235] [2021-06-16 21:03:44,545 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 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 [2021-06-16 21:03:44,594 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-16 21:03:44,595 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:03:44,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-16 21:03:44,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:03:44,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-06-16 21:03:44,856 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:03:44,860 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:03:44,860 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:03:44,861 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:10 [2021-06-16 21:03:44,966 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:03:44,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72450235] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:03:44,967 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:03:44,967 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 17 [2021-06-16 21:03:44,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44613925] [2021-06-16 21:03:44,968 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-16 21:03:44,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:03:44,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-16 21:03:44,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2021-06-16 21:03:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:03:44,970 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:03:44,970 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 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) [2021-06-16 21:03:44,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:44,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:44,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:03:45,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:45,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:03:45,435 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:03:45,436 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:03:45,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:03:45,437 INFO L82 PathProgramCache]: Analyzing trace with hash 814619236, now seen corresponding path program 4 times [2021-06-16 21:03:45,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:03:45,437 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291573912] [2021-06-16 21:03:45,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:03:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:03:45,485 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:03:45,485 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:03:45,486 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291573912] [2021-06-16 21:03:45,486 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291573912] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:03:45,486 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269422460] [2021-06-16 21:03:45,486 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 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 [2021-06-16 21:03:45,518 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 21:03:45,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:03:45,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-16 21:03:45,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:03:45,585 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:03:45,586 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269422460] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:03:45,586 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:03:45,586 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-06-16 21:03:45,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576107237] [2021-06-16 21:03:45,586 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 21:03:45,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:03:45,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 21:03:45,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-06-16 21:03:45,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:03:45,587 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:03:45,587 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:03:45,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:45,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:45,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:03:45,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:03:45,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:45,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:45,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:03:45,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:03:45,836 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:03:45,836 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:03:45,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:03:45,836 INFO L82 PathProgramCache]: Analyzing trace with hash 512991772, now seen corresponding path program 5 times [2021-06-16 21:03:45,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:03:45,837 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662107791] [2021-06-16 21:03:45,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:03:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:03:46,050 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:03:46,050 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:03:46,050 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662107791] [2021-06-16 21:03:46,051 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662107791] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:03:46,051 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950703489] [2021-06-16 21:03:46,051 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 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 [2021-06-16 21:03:46,093 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-16 21:03:46,093 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:03:46,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-16 21:03:46,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:03:46,450 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-06-16 21:03:46,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2021-06-16 21:03:46,452 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:03:46,456 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:03:46,457 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:03:46,457 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:10 [2021-06-16 21:03:46,529 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:03:46,529 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950703489] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:03:46,529 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:03:46,529 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2021-06-16 21:03:46,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694704605] [2021-06-16 21:03:46,530 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-16 21:03:46,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:03:46,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-16 21:03:46,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=651, Unknown=0, NotChecked=0, Total=756 [2021-06-16 21:03:46,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:03:46,531 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:03:46,531 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.4642857142857144) internal successors, (69), 28 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:03:46,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:46,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:46,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:03:46,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:03:46,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:03:47,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:47,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:47,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:03:47,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:03:47,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:03:47,304 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:03:47,305 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:03:47,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:03:47,305 INFO L82 PathProgramCache]: Analyzing trace with hash -536378175, now seen corresponding path program 6 times [2021-06-16 21:03:47,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:03:47,306 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827437601] [2021-06-16 21:03:47,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:03:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:03:47,575 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:03:47,575 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:03:47,575 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827437601] [2021-06-16 21:03:47,576 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827437601] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:03:47,576 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197250374] [2021-06-16 21:03:47,576 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 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 [2021-06-16 21:03:47,613 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-16 21:03:47,613 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:03:47,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-16 21:03:47,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:03:48,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:03:48,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:03:48,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:03:48,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:03:48,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:03:48,290 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:03:48,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 34 treesize of output 66 [2021-06-16 21:03:48,410 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 5 xjuncts. [2021-06-16 21:03:48,454 INFO L628 ElimStorePlain]: treesize reduction 104, result has 32.9 percent of original size [2021-06-16 21:03:48,471 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:03:48,471 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:57, output treesize:33 [2021-06-16 21:03:48,622 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:03:48,622 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197250374] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:03:48,622 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:03:48,623 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 36 [2021-06-16 21:03:48,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235662198] [2021-06-16 21:03:48,623 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-16 21:03:48,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:03:48,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-16 21:03:48,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=1125, Unknown=0, NotChecked=0, Total=1260 [2021-06-16 21:03:48,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:03:48,625 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:03:48,626 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.0833333333333335) internal successors, (75), 36 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:03:48,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:48,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:48,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:03:48,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:03:48,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:03:48,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:03:49,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:49,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:49,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:03:49,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:03:49,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:03:49,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:03:49,974 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-16 21:03:49,975 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:03:49,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:03:49,975 INFO L82 PathProgramCache]: Analyzing trace with hash -950732932, now seen corresponding path program 7 times [2021-06-16 21:03:49,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:03:49,975 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730135341] [2021-06-16 21:03:49,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:03:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:03:50,401 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 2 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:03:50,401 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:03:50,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730135341] [2021-06-16 21:03:50,401 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730135341] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:03:50,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911419443] [2021-06-16 21:03:50,405 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 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 [2021-06-16 21:03:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:03:50,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-16 21:03:50,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:03:51,134 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-06-16 21:03:51,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 22 [2021-06-16 21:03:51,138 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:03:51,142 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:03:51,142 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:03:51,142 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:57, output treesize:10 [2021-06-16 21:03:51,225 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 2 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:03:51,225 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911419443] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:03:51,225 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:03:51,225 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 44 [2021-06-16 21:03:51,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260200038] [2021-06-16 21:03:51,226 INFO L462 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-06-16 21:03:51,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:03:51,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-06-16 21:03:51,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=1706, Unknown=0, NotChecked=0, Total=1892 [2021-06-16 21:03:51,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:03:51,227 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:03:51,227 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 2.1136363636363638) internal successors, (93), 44 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) [2021-06-16 21:03:51,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:51,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:51,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:03:51,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:03:51,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:03:51,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:03:51,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:03:52,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:52,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:52,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:03:52,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:03:52,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:03:52,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:03:52,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:03:52,819 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:03:52,819 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:03:52,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:03:52,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1409603231, now seen corresponding path program 8 times [2021-06-16 21:03:52,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:03:52,820 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122921620] [2021-06-16 21:03:52,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:03:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:03:53,333 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:03:53,334 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:03:53,334 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122921620] [2021-06-16 21:03:53,334 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122921620] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:03:53,334 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953038587] [2021-06-16 21:03:53,334 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 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 [2021-06-16 21:03:53,372 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 21:03:53,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:03:53,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-16 21:03:53,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:03:54,261 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-06-16 21:03:54,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 66 treesize of output 26 [2021-06-16 21:03:54,263 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:03:54,266 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:03:54,267 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:03:54,267 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:69, output treesize:10 [2021-06-16 21:03:54,353 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:03:54,353 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953038587] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:03:54,353 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:03:54,353 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 50 [2021-06-16 21:03:54,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447473584] [2021-06-16 21:03:54,354 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-06-16 21:03:54,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:03:54,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-06-16 21:03:54,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=2231, Unknown=0, NotChecked=0, Total=2450 [2021-06-16 21:03:54,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:03:54,356 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:03:54,356 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 1.98) internal successors, (99), 50 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:03:54,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:54,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:54,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:03:54,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:03:54,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:03:54,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:03:54,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:03:54,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:03:56,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:56,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:56,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:03:56,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:03:56,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:03:56,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:03:56,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:03:56,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 21:03:56,364 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:03:56,365 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:03:56,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:03:56,365 INFO L82 PathProgramCache]: Analyzing trace with hash -835120860, now seen corresponding path program 9 times [2021-06-16 21:03:56,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:03:56,365 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314151989] [2021-06-16 21:03:56,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:03:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:03:56,422 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 70 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:03:56,422 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:03:56,423 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314151989] [2021-06-16 21:03:56,423 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314151989] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:03:56,423 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457310731] [2021-06-16 21:03:56,423 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 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 [2021-06-16 21:03:56,460 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-16 21:03:56,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:03:56,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-16 21:03:56,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:03:56,553 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 70 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:03:56,553 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457310731] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:03:56,553 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:03:56,553 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 10 [2021-06-16 21:03:56,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953177507] [2021-06-16 21:03:56,555 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-16 21:03:56,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:03:56,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-16 21:03:56,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-06-16 21:03:56,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:03:56,556 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:03:56,556 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 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) [2021-06-16 21:03:56,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:56,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:56,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:03:56,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:03:56,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:03:56,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:03:56,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:03:56,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 21:03:56,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:03:56,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:56,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:56,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:03:56,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:03:56,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:03:56,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:03:56,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:03:56,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 21:03:56,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:03:56,878 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-06-16 21:03:56,878 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:03:56,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:03:56,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1225784100, now seen corresponding path program 10 times [2021-06-16 21:03:56,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:03:56,879 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502617644] [2021-06-16 21:03:56,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:03:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:03:57,479 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 2 proven. 160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:03:57,479 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:03:57,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502617644] [2021-06-16 21:03:57,480 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502617644] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:03:57,480 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893730121] [2021-06-16 21:03:57,480 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 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 [2021-06-16 21:03:57,516 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 21:03:57,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:03:57,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 54 conjunts are in the unsatisfiable core [2021-06-16 21:03:57,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:03:58,788 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-06-16 21:03:58,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 78 treesize of output 30 [2021-06-16 21:03:58,789 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:03:58,794 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:03:58,794 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:03:58,794 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:81, output treesize:10 [2021-06-16 21:03:58,897 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 2 proven. 160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:03:58,897 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893730121] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:03:58,897 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:03:58,897 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 60 [2021-06-16 21:03:58,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955536532] [2021-06-16 21:03:58,897 INFO L462 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-06-16 21:03:58,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:03:58,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-06-16 21:03:58,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=3261, Unknown=0, NotChecked=0, Total=3540 [2021-06-16 21:03:58,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:03:58,901 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:03:58,902 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 60 states, 60 states have (on average 1.95) internal successors, (117), 60 states have internal predecessors, (117), 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) [2021-06-16 21:03:58,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:58,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:03:58,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:03:58,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:03:58,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:03:58,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:03:58,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:03:58,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 21:03:58,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:03:58,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:01,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:01,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:01,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:04:01,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:04:01,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:04:01,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:04:01,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:04:01,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 21:04:01,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:04:01,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 21:04:01,660 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-06-16 21:04:01,661 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:04:01,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:04:01,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1851156991, now seen corresponding path program 11 times [2021-06-16 21:04:01,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:04:01,662 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029930629] [2021-06-16 21:04:01,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:04:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:04:02,357 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:04:02,357 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:04:02,358 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029930629] [2021-06-16 21:04:02,358 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029930629] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:02,358 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211067103] [2021-06-16 21:04:02,358 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 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 [2021-06-16 21:04:02,395 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-16 21:04:02,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:04:02,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-16 21:04:02,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:04:03,983 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-06-16 21:04:03,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 34 [2021-06-16 21:04:03,989 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:04:03,993 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:04:03,993 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:04:03,993 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:89, output treesize:10 [2021-06-16 21:04:04,106 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:04:04,106 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211067103] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:04,106 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:04:04,106 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 66 [2021-06-16 21:04:04,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240856636] [2021-06-16 21:04:04,107 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-06-16 21:04:04,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:04:04,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-06-16 21:04:04,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=3972, Unknown=0, NotChecked=0, Total=4290 [2021-06-16 21:04:04,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:04,108 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:04:04,109 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 1.9696969696969697) internal successors, (130), 66 states have internal predecessors, (130), 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) [2021-06-16 21:04:04,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:04,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:04,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:04:04,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:04:04,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:04:04,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:04:04,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:04:04,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 21:04:04,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:04:04,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 21:04:04,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:07,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:07,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:07,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:04:07,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:04:07,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:04:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:04:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:04:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 21:04:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:04:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 21:04:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-16 21:04:07,426 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:04:07,426 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:04:07,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:04:07,427 INFO L82 PathProgramCache]: Analyzing trace with hash 321642628, now seen corresponding path program 12 times [2021-06-16 21:04:07,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:04:07,427 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975293071] [2021-06-16 21:04:07,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:04:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:04:07,514 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 117 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:04:07,514 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:04:07,514 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975293071] [2021-06-16 21:04:07,514 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975293071] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:07,514 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018185301] [2021-06-16 21:04:07,515 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 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 [2021-06-16 21:04:07,565 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-06-16 21:04:07,565 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:04:07,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-16 21:04:07,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:04:07,649 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 117 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:04:07,650 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018185301] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:07,650 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:04:07,650 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 12 [2021-06-16 21:04:07,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345833844] [2021-06-16 21:04:07,650 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-16 21:04:07,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:04:07,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-16 21:04:07,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-06-16 21:04:07,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:07,651 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:04:07,651 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:04:07,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:07,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:07,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:04:07,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:04:07,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:04:07,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:04:07,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:04:07,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 21:04:07,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:04:07,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 21:04:07,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-16 21:04:07,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:07,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:07,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:07,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:04:07,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:04:07,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:04:07,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:04:07,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:04:07,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 21:04:07,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:04:07,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 21:04:07,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-16 21:04:07,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:04:08,004 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2021-06-16 21:04:08,007 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:04:08,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:04:08,008 INFO L82 PathProgramCache]: Analyzing trace with hash 945474108, now seen corresponding path program 13 times [2021-06-16 21:04:08,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:04:08,008 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588590833] [2021-06-16 21:04:08,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:04:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:04:08,930 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 2 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:04:08,930 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:04:08,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588590833] [2021-06-16 21:04:08,930 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588590833] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:08,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033763143] [2021-06-16 21:04:08,930 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 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 [2021-06-16 21:04:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:04:08,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 70 conjunts are in the unsatisfiable core [2021-06-16 21:04:08,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:04:11,132 INFO L354 Elim1Store]: treesize reduction 336, result has 0.3 percent of original size [2021-06-16 21:04:11,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 102 treesize of output 38 [2021-06-16 21:04:11,134 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:04:11,138 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:04:11,138 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:04:11,138 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:105, output treesize:10 [2021-06-16 21:04:11,283 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 2 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:04:11,283 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033763143] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:11,283 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:04:11,283 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40] total 76 [2021-06-16 21:04:11,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75403821] [2021-06-16 21:04:11,284 INFO L462 AbstractCegarLoop]: Interpolant automaton has 76 states [2021-06-16 21:04:11,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:04:11,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2021-06-16 21:04:11,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=384, Invalid=5316, Unknown=0, NotChecked=0, Total=5700 [2021-06-16 21:04:11,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:11,285 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:04:11,285 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 76 states, 76 states have (on average 1.855263157894737) internal successors, (141), 76 states have internal predecessors, (141), 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) [2021-06-16 21:04:11,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:11,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:11,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:04:11,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:04:11,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:04:11,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:04:11,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:04:11,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 21:04:11,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:04:11,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 21:04:11,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-16 21:04:11,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:04:11,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:15,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:15,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:15,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:04:15,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:04:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:04:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:04:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:04:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 21:04:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:04:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 21:04:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-16 21:04:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:04:15,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:04:15,581 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:04:15,582 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:04:15,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:04:15,582 INFO L82 PathProgramCache]: Analyzing trace with hash -792933727, now seen corresponding path program 14 times [2021-06-16 21:04:15,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:04:15,582 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631116668] [2021-06-16 21:04:15,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:04:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:04:16,672 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:04:16,672 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:04:16,672 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631116668] [2021-06-16 21:04:16,672 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631116668] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:16,672 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330824567] [2021-06-16 21:04:16,672 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 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 [2021-06-16 21:04:16,711 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 21:04:16,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:04:16,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 77 conjunts are in the unsatisfiable core [2021-06-16 21:04:16,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:04:19,338 INFO L354 Elim1Store]: treesize reduction 432, result has 0.2 percent of original size [2021-06-16 21:04:19,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 114 treesize of output 42 [2021-06-16 21:04:19,340 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:04:19,344 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:04:19,344 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:04:19,344 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:117, output treesize:10 [2021-06-16 21:04:19,475 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:04:19,476 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330824567] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:19,476 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:04:19,476 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43] total 82 [2021-06-16 21:04:19,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909958630] [2021-06-16 21:04:19,476 INFO L462 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-06-16 21:04:19,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:04:19,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-06-16 21:04:19,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=429, Invalid=6213, Unknown=0, NotChecked=0, Total=6642 [2021-06-16 21:04:19,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:19,478 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:04:19,478 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 1.7926829268292683) internal successors, (147), 82 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) [2021-06-16 21:04:19,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:19,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:19,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:04:19,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:04:19,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:04:19,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:04:19,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:04:19,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 21:04:19,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:04:19,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 21:04:19,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-16 21:04:19,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:04:19,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:04:19,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:24,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:24,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:24,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:04:24,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:04:24,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:04:24,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:04:24,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:04:24,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 21:04:24,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:04:24,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 21:04:24,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-16 21:04:24,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:04:24,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:04:24,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-16 21:04:24,665 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-06-16 21:04:24,665 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:04:24,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:04:24,665 INFO L82 PathProgramCache]: Analyzing trace with hash 790947812, now seen corresponding path program 15 times [2021-06-16 21:04:24,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:04:24,665 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534214613] [2021-06-16 21:04:24,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:04:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:04:24,770 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 176 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:04:24,770 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:04:24,770 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534214613] [2021-06-16 21:04:24,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534214613] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:24,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093349494] [2021-06-16 21:04:24,771 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 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 [2021-06-16 21:04:24,824 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2021-06-16 21:04:24,825 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:04:24,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-16 21:04:24,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:04:24,918 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 176 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:04:24,918 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093349494] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:24,918 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:04:24,918 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 14 [2021-06-16 21:04:24,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971002144] [2021-06-16 21:04:24,919 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-16 21:04:24,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:04:24,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-16 21:04:24,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2021-06-16 21:04:24,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:24,920 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:04:24,920 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 6.142857142857143) internal successors, (86), 14 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:04:24,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:24,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:24,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:04:24,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:04:24,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:04:24,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:04:24,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:04:24,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 21:04:24,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:04:24,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 21:04:24,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-16 21:04:24,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:04:24,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:04:24,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-16 21:04:24,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:25,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:25,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:25,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:04:25,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:04:25,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:04:25,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:04:25,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:04:25,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 21:04:25,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:04:25,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 21:04:25,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-16 21:04:25,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:04:25,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:04:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-16 21:04:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:04:25,312 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:04:25,313 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:04:25,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:04:25,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1443579804, now seen corresponding path program 16 times [2021-06-16 21:04:25,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:04:25,313 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870558643] [2021-06-16 21:04:25,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:04:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:04:26,715 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 2 proven. 384 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:04:26,715 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:04:26,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870558643] [2021-06-16 21:04:26,715 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870558643] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:26,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787271863] [2021-06-16 21:04:26,715 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 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 [2021-06-16 21:04:26,755 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 21:04:26,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:04:26,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 86 conjunts are in the unsatisfiable core [2021-06-16 21:04:26,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:04:30,140 INFO L354 Elim1Store]: treesize reduction 540, result has 0.2 percent of original size [2021-06-16 21:04:30,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 126 treesize of output 46 [2021-06-16 21:04:30,145 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:04:30,149 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:04:30,149 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:04:30,149 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:129, output treesize:10 [2021-06-16 21:04:30,298 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 2 proven. 384 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:04:30,298 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787271863] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:30,298 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:04:30,298 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48] total 92 [2021-06-16 21:04:30,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077358253] [2021-06-16 21:04:30,299 INFO L462 AbstractCegarLoop]: Interpolant automaton has 92 states [2021-06-16 21:04:30,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:04:30,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2021-06-16 21:04:30,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=501, Invalid=7871, Unknown=0, NotChecked=0, Total=8372 [2021-06-16 21:04:30,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:30,300 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:04:30,301 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 92 states, 92 states have (on average 1.7934782608695652) internal successors, (165), 92 states have internal predecessors, (165), 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) [2021-06-16 21:04:30,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:30,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:30,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:04:30,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:04:30,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:04:30,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:04:30,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:04:30,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 21:04:30,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:04:30,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 21:04:30,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-16 21:04:30,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:04:30,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:04:30,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-16 21:04:30,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:04:30,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:36,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:36,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:36,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:04:36,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:04:36,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 21:04:36,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 21:04:36,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:04:36,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 21:04:36,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:04:36,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 21:04:36,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-16 21:04:36,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:04:36,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-16 21:04:36,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-16 21:04:36,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 21:04:36,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-06-16 21:04:36,804 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:04:36,805 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:04:36,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:04:36,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1902036801, now seen corresponding path program 17 times [2021-06-16 21:04:36,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:04:36,805 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418551693] [2021-06-16 21:04:36,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:04:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:04:38,379 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:04:38,379 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:04:38,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418551693] [2021-06-16 21:04:38,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418551693] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:38,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098924515] [2021-06-16 21:04:38,379 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 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 [2021-06-16 21:04:38,426 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2021-06-16 21:04:38,427 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:04:38,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 94 conjunts are in the unsatisfiable core [2021-06-16 21:04:38,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:04:43,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:43,202 INFO L244 Elim1Store]: Index analysis took 153 ms [2021-06-16 21:04:43,761 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2021-06-16 21:04:43,761 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:04:43,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 165 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 66 case distinctions, treesize of input 134 treesize of output 818 [2021-06-16 21:04:44,489 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 393 [2021-06-16 21:04:44,656 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 393 [2021-06-16 21:04:44,874 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 413 [2021-06-16 21:04:45,195 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 493 [2021-06-16 21:04:45,362 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 394 [2021-06-16 21:04:46,249 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 394 [2021-06-16 21:04:46,604 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 580 [2021-06-16 21:04:47,200 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 674 [2021-06-16 21:04:48,129 WARN L205 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 776 DAG size of output: 798 [2021-06-16 21:04:49,549 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 953 DAG size of output: 976 [2021-06-16 21:04:50,942 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 953 DAG size of output: 976 [2021-06-16 21:04:52,672 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 961 DAG size of output: 982 [2021-06-16 21:04:55,252 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 984 DAG size of output: 1168 [2021-06-16 21:04:57,165 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 943 DAG size of output: 1081 [2021-06-16 21:04:58,744 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 933 DAG size of output: 1030 [2021-06-16 21:04:59,894 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 851 DAG size of output: 974 [2021-06-16 21:05:01,071 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 710 DAG size of output: 975 [2021-06-16 21:05:01,454 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 575 [2021-06-16 21:05:02,404 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 519 [2021-06-16 21:05:03,002 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 795 DAG size of output: 777 [2021-06-16 21:05:04,381 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1251 DAG size of output: 1229 [2021-06-16 21:05:07,168 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 1698 DAG size of output: 1682 [2021-06-16 21:05:11,914 WARN L205 SmtUtils]: Spent 4.74 s on a formula simplification. DAG size of input: 2142 DAG size of output: 2152 [2021-06-16 21:05:19,000 WARN L205 SmtUtils]: Spent 7.08 s on a formula simplification. DAG size of input: 2548 DAG size of output: 2563 [2021-06-16 21:05:29,435 WARN L205 SmtUtils]: Spent 10.42 s on a formula simplification. DAG size of input: 2995 DAG size of output: 3022 [2021-06-16 21:05:39,862 WARN L205 SmtUtils]: Spent 10.41 s on a formula simplification. DAG size of input: 2995 DAG size of output: 3022 [2021-06-16 21:05:51,908 WARN L205 SmtUtils]: Spent 12.01 s on a formula simplification. DAG size of input: 3011 DAG size of output: 3016 [2021-06-16 21:06:10,711 WARN L205 SmtUtils]: Spent 18.78 s on a formula simplification. DAG size of input: 3018 DAG size of output: 3832 [2021-06-16 21:06:17,900 WARN L205 SmtUtils]: Spent 7.17 s on a formula simplification. DAG size of input: 2158 DAG size of output: 2568 [2021-06-16 21:06:27,468 WARN L205 SmtUtils]: Spent 9.55 s on a formula simplification. DAG size of input: 1790 DAG size of output: 2274 [2021-06-16 21:06:32,809 WARN L205 SmtUtils]: Spent 5.32 s on a formula simplification. DAG size of input: 1650 DAG size of output: 2198 [2021-06-16 21:06:34,913 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 999 DAG size of output: 1157 [2021-06-16 21:06:37,056 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 985 DAG size of output: 1224 [2021-06-16 21:06:37,327 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 835 [2021-06-16 21:06:38,333 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 421 [2021-06-16 21:06:40,052 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 504 [2021-06-16 21:06:40,854 WARN L205 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 814 DAG size of output: 812 [2021-06-16 21:06:41,428 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2021-06-16 21:06:41,634 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 299 [2021-06-16 21:06:42,306 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 337 [2021-06-16 21:06:43,934 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1237 DAG size of output: 1248 [2021-06-16 21:06:46,395 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 1496 DAG size of output: 1526 [2021-06-16 21:06:50,686 WARN L205 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 2221 DAG size of output: 2187 [2021-06-16 21:06:57,397 WARN L205 SmtUtils]: Spent 6.70 s on a formula simplification. DAG size of input: 2880 DAG size of output: 2816 [2021-06-16 21:07:11,061 WARN L205 SmtUtils]: Spent 13.64 s on a formula simplification. DAG size of input: 4229 DAG size of output: 4112 [2021-06-16 21:07:33,336 WARN L205 SmtUtils]: Spent 22.25 s on a formula simplification. DAG size of input: 5622 DAG size of output: 5281 [2021-06-16 21:08:06,898 WARN L205 SmtUtils]: Spent 33.53 s on a formula simplification. DAG size of input: 7256 DAG size of output: 6917 [2021-06-16 21:08:57,967 WARN L205 SmtUtils]: Spent 51.02 s on a formula simplification. DAG size of input: 9584 DAG size of output: 9200 [2021-06-16 21:09:48,703 WARN L205 SmtUtils]: Spent 50.69 s on a formula simplification. DAG size of input: 9584 DAG size of output: 9200 [2021-06-16 21:10:42,440 WARN L205 SmtUtils]: Spent 53.59 s on a formula simplification. DAG size of input: 9587 DAG size of output: 9203 [2021-06-16 21:10:44,999 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 9203 [2021-06-16 21:11:02,454 WARN L205 SmtUtils]: Spent 17.43 s on a formula simplification. DAG size of input: 2781 DAG size of output: 4169 [2021-06-16 21:11:10,505 WARN L205 SmtUtils]: Spent 8.03 s on a formula simplification. DAG size of input: 2063 DAG size of output: 2843 [2021-06-16 21:11:12,327 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1282 DAG size of output: 1344 [2021-06-16 21:11:16,311 WARN L205 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 1129 DAG size of output: 1399 [2021-06-16 21:11:16,720 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 976 DAG size of output: 976 [2021-06-16 21:11:17,640 WARN L205 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 851 DAG size of output: 980 [2021-06-16 21:11:18,617 WARN L205 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 755 [2021-06-16 21:11:18,756 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 671 DAG size of output: 671 [2021-06-16 21:11:19,365 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 375 [2021-06-16 21:11:19,573 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 273 [2021-06-16 21:11:20,053 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 472 [2021-06-16 21:11:20,501 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 375 [2021-06-16 21:11:20,971 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 541 [2021-06-16 21:11:21,414 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 362 [2021-06-16 21:11:22,023 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 354 [2021-06-16 21:11:22,275 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 505 [2021-06-16 21:11:22,636 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 410 [2021-06-16 21:11:24,447 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1246 DAG size of output: 1380 [2021-06-16 21:11:27,372 WARN L205 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 1730 DAG size of output: 1819 [2021-06-16 21:11:32,146 WARN L205 SmtUtils]: Spent 4.76 s on a formula simplification. DAG size of input: 2454 DAG size of output: 2542 [2021-06-16 21:11:32,495 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 457 [2021-06-16 21:11:32,725 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 456 [2021-06-16 21:11:33,551 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 402 [2021-06-16 21:11:33,917 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 481 [2021-06-16 21:11:34,632 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 673 [2021-06-16 21:11:35,494 WARN L205 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 862 DAG size of output: 927 [2021-06-16 21:11:36,809 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1081 DAG size of output: 1109 [2021-06-16 21:11:44,255 WARN L205 SmtUtils]: Spent 7.44 s on a formula simplification. DAG size of input: 3198 DAG size of output: 3291 [2021-06-16 21:11:55,059 WARN L205 SmtUtils]: Spent 10.79 s on a formula simplification. DAG size of input: 3926 DAG size of output: 3907 [2021-06-16 21:12:11,049 WARN L205 SmtUtils]: Spent 15.97 s on a formula simplification. DAG size of input: 4990 DAG size of output: 4981 [2021-06-16 21:12:34,981 WARN L205 SmtUtils]: Spent 23.90 s on a formula simplification. DAG size of input: 6596 DAG size of output: 6553 [2021-06-16 21:13:12,886 WARN L205 SmtUtils]: Spent 37.87 s on a formula simplification. DAG size of input: 8939 DAG size of output: 8774 [2021-06-16 21:13:14,705 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 6920 [2021-06-16 21:13:26,418 WARN L205 SmtUtils]: Spent 11.70 s on a formula simplification. DAG size of input: 2132 DAG size of output: 2852 [2021-06-16 21:13:28,121 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 292 [2021-06-16 21:13:31,226 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 246 [2021-06-16 21:13:31,587 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 375 [2021-06-16 21:13:32,844 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 591 DAG size of output: 700 [2021-06-16 21:13:33,726 WARN L205 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 581 DAG size of output: 678 [2021-06-16 21:13:34,705 WARN L205 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 555 [2021-06-16 21:13:35,109 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 295 [2021-06-16 21:13:35,435 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 407 [2021-06-16 21:13:35,871 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 515 [2021-06-16 21:13:36,807 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 857 DAG size of output: 842 [2021-06-16 21:13:38,060 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1155 DAG size of output: 1084 [2021-06-16 21:13:40,460 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 1514 DAG size of output: 1443 [2021-06-16 21:13:44,131 WARN L205 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 1882 DAG size of output: 1758 [2021-06-16 21:14:03,086 WARN L205 SmtUtils]: Spent 18.93 s on a formula simplification. DAG size of input: 6518 DAG size of output: 6400 [2021-06-16 21:14:04,320 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 5284 [2021-06-16 21:14:11,846 WARN L205 SmtUtils]: Spent 7.52 s on a formula simplification. DAG size of input: 1489 DAG size of output: 1959 [2021-06-16 21:14:12,615 WARN L205 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 522 [2021-06-16 21:14:13,008 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 306 [2021-06-16 21:14:14,109 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 419 [2021-06-16 21:14:14,802 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 663 [2021-06-16 21:14:15,941 WARN L205 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 825 DAG size of output: 905 [2021-06-16 21:14:17,444 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1072 DAG size of output: 1113 [2021-06-16 21:14:29,238 WARN L205 SmtUtils]: Spent 9.40 s on a formula simplification. DAG size of input: 4322 DAG size of output: 4208 [2021-06-16 21:14:46,387 WARN L205 SmtUtils]: Spent 17.11 s on a formula simplification. DAG size of input: 4117 DAG size of output: 4918 [2021-06-16 21:14:48,554 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 491 [2021-06-16 21:14:48,740 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 241 [2021-06-16 21:14:49,250 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 485 DAG size of output: 466 [2021-06-16 21:14:53,011 WARN L205 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 494 [2021-06-16 21:14:53,557 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 297 [2021-06-16 21:14:54,023 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 324 [2021-06-16 21:14:55,007 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 386 [2021-06-16 21:14:55,860 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 693 [2021-06-16 21:14:56,818 WARN L205 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 921 DAG size of output: 945 [2021-06-16 21:14:58,495 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 1181 DAG size of output: 1185 [2021-06-16 21:15:26,321 WARN L205 SmtUtils]: Spent 27.80 s on a formula simplification. DAG size of input: 10967 DAG size of output: 10554 [2021-06-16 21:16:11,478 WARN L205 SmtUtils]: Spent 45.09 s on a formula simplification. DAG size of input: 14344 DAG size of output: 13823 [2021-06-16 21:17:28,228 WARN L205 SmtUtils]: Spent 1.28 m on a formula simplification. DAG size of input: 19572 DAG size of output: 18947 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown