/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-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 07:34:49,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 07:34:49,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 07:34:49,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 07:34:49,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 07:34:49,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 07:34:49,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 07:34:49,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 07:34:49,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 07:34:49,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 07:34:49,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 07:34:49,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 07:34:49,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 07:34:49,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 07:34:49,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 07:34:49,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 07:34:49,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-17 07:34:49,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 07:34:49,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 07:34:49,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 07:34:49,083 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-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-06-17 07:34:49,098 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 07:34:49,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 07:34:49,099 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 07:34:49,099 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 07:34:49,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 07:34:49,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 07:34:49,100 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 07:34:49,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 07:34:49,100 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 07:34:49,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 07:34:49,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 07:34:49,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 07:34:49,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 07:34:49,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 07:34:49,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 07:34:49,101 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 07:34:49,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 07:34:49,101 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 07:34:49,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 07:34:49,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 07:34:49,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 07:34:49,101 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 07:34:49,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 07:34:49,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 07:34:49,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 07:34:49,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 07:34:49,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 07:34:49,102 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 07:34:49,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 07:34:49,102 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 07:34:49,102 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 07:34:49,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 07:34:49,102 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 07:34:49,103 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 07:34:49,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 07:34:49,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 07:34:49,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 07:34:49,335 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 07:34:49,336 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 07:34:49,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl [2021-06-17 07:34:49,337 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl' [2021-06-17 07:34:49,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 07:34:49,360 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 07:34:49,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 07:34:49,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 07:34:49,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 07:34:49,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:34:49" (1/1) ... [2021-06-17 07:34:49,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:34:49" (1/1) ... [2021-06-17 07:34:49,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 07:34:49,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 07:34:49,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 07:34:49,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 07:34:49,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:34:49" (1/1) ... [2021-06-17 07:34:49,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:34:49" (1/1) ... [2021-06-17 07:34:49,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:34:49" (1/1) ... [2021-06-17 07:34:49,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:34:49" (1/1) ... [2021-06-17 07:34:49,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:34:49" (1/1) ... [2021-06-17 07:34:49,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:34:49" (1/1) ... [2021-06-17 07:34:49,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:34:49" (1/1) ... [2021-06-17 07:34:49,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 07:34:49,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 07:34:49,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 07:34:49,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 07:34:49,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:34:49" (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 [2021-06-17 07:34:49,441 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 07:34:49,441 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 07:34:49,441 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 07:34:49,441 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 07:34:49,441 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 07:34:49,441 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 07:34:49,441 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 07:34:49,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 07:34:49,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 07:34:49,442 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-17 07:34:49,442 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-17 07:34:49,442 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-17 07:34:49,442 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 07:34:49,578 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 07:34:49,578 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-17 07:34:49,579 INFO L202 PluginConnector]: Adding new model sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 07:34:49 BoogieIcfgContainer [2021-06-17 07:34:49,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 07:34:49,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 07:34:49,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 07:34:49,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 07:34:49,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 07:34:49" (1/2) ... [2021-06-17 07:34:49,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7557bf2d and model type sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 07:34:49, skipping insertion in model container [2021-06-17 07:34:49,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 07:34:49" (2/2) ... [2021-06-17 07:34:49,586 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array.wvr.bpl [2021-06-17 07:34:49,589 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 07:34:49,589 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 07:34:49,589 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 07:34:49,590 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 07:34:49,614 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-17 07:34:49,642 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 [2021-06-17 07:34:49,701 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 07:34:49,701 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 07:34:49,701 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 07:34:49,701 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 07:34:49,701 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 07:34:49,701 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 07:34:49,701 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 07:34:49,701 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 07:34:49,843 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:34:49,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:34:49,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1399820781, now seen corresponding path program 1 times [2021-06-17 07:34:49,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:34:49,852 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878757935] [2021-06-17 07:34:49,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:34:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:34:49,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:34:49,964 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:34:49,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878757935] [2021-06-17 07:34:49,965 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878757935] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 07:34:49,965 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 07:34:49,965 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-17 07:34:49,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792656586] [2021-06-17 07:34:49,968 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 07:34:49,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:34:49,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 07:34:49,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 07:34:49,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:34:49,978 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:34:49,981 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-06-17 07:34:49,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:34:50,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:34:50,024 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 07:34:50,024 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:34:50,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:34:50,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1882321483, now seen corresponding path program 1 times [2021-06-17 07:34:50,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:34:50,029 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778321592] [2021-06-17 07:34:50,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:34:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:34:50,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:34:50,065 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:34:50,065 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778321592] [2021-06-17 07:34:50,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778321592] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 07:34:50,066 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 07:34:50,066 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-17 07:34:50,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504072739] [2021-06-17 07:34:50,067 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 07:34:50,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:34:50,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 07:34:50,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 07:34:50,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:34:50,068 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:34:50,068 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-06-17 07:34:50,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:34:50,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:34:50,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:34:50,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:34:50,102 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 07:34:50,102 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:34:50,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:34:50,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1166833961, now seen corresponding path program 1 times [2021-06-17 07:34:50,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:34:50,102 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309333618] [2021-06-17 07:34:50,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:34:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:34:50,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:34:50,337 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:34:50,337 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309333618] [2021-06-17 07:34:50,337 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309333618] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:34:50,337 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746838498] [2021-06-17 07:34:50,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:34:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:34:50,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-17 07:34:50,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:34:50,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:34:50,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-17 07:34:50,637 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 07:34:50,640 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:34:50,643 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 07:34:50,643 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:3 [2021-06-17 07:34:50,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:34:50,670 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746838498] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:34:50,670 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:34:50,670 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-17 07:34:50,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885826885] [2021-06-17 07:34:50,671 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-17 07:34:50,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:34:50,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-17 07:34:50,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-17 07:34:50,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:34:50,673 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:34:50,673 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 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) [2021-06-17 07:34:50,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:34:50,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:34:50,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:34:50,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:34:50,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:34:50,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:34:51,008 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:34:51,008 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:34:51,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:34:51,009 INFO L82 PathProgramCache]: Analyzing trace with hash 2135652999, now seen corresponding path program 2 times [2021-06-17 07:34:51,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:34:51,009 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870011732] [2021-06-17 07:34:51,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:34:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:34:51,054 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:34:51,054 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:34:51,054 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870011732] [2021-06-17 07:34:51,054 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870011732] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:34:51,054 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350795379] [2021-06-17 07:34:51,055 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:34:51,080 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 07:34:51,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:34:51,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 07:34:51,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:34:51,167 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:34:51,168 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350795379] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:34:51,168 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:34:51,168 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-17 07:34:51,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660144518] [2021-06-17 07:34:51,168 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-17 07:34:51,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:34:51,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-17 07:34:51,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-17 07:34:51,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:34:51,169 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:34:51,169 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 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) [2021-06-17 07:34:51,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:34:51,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:34:51,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:34:51,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:34:51,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:34:51,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:34:51,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:34:51,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:34:51,518 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:34:51,519 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:34:51,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:34:51,519 INFO L82 PathProgramCache]: Analyzing trace with hash -357408053, now seen corresponding path program 1 times [2021-06-17 07:34:51,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:34:51,519 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922513286] [2021-06-17 07:34:51,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:34:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:34:51,572 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:34:51,572 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:34:51,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922513286] [2021-06-17 07:34:51,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922513286] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:34:51,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151701875] [2021-06-17 07:34:51,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-06-17 07:34:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:34:51,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 07:34:51,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:34:51,666 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:34:51,666 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151701875] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:34:51,666 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:34:51,666 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-17 07:34:51,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879892118] [2021-06-17 07:34:51,666 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-17 07:34:51,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:34:51,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-17 07:34:51,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-17 07:34:51,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:34:51,667 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:34:51,667 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 07:34:51,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:34:51,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:34:51,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:34:51,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:34:51,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:34:51,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:34:51,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:34:51,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:34:51,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:34:51,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:34:51,950 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:34:51,950 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:34:51,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:34:51,951 INFO L82 PathProgramCache]: Analyzing trace with hash -336173655, now seen corresponding path program 2 times [2021-06-17 07:34:51,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:34:51,951 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722059271] [2021-06-17 07:34:51,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:34:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:34:52,319 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:34:52,319 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:34:52,319 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722059271] [2021-06-17 07:34:52,319 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722059271] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:34:52,320 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872162037] [2021-06-17 07:34:52,320 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 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 [2021-06-17 07:34:52,364 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 07:34:52,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:34:52,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-17 07:34:52,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:34:52,716 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:34:52,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 37 [2021-06-17 07:34:52,730 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-06-17 07:34:52,750 INFO L628 ElimStorePlain]: treesize reduction 35, result has 41.7 percent of original size [2021-06-17 07:34:52,757 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 07:34:52,757 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:29 [2021-06-17 07:34:52,821 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:34:52,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [872162037] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:34:52,821 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:34:52,821 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 24 [2021-06-17 07:34:52,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321605016] [2021-06-17 07:34:52,823 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-17 07:34:52,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:34:52,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-17 07:34:52,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=471, Unknown=0, NotChecked=0, Total=552 [2021-06-17 07:34:52,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:34:52,824 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:34:52,824 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.125) internal successors, (51), 24 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 07:34:52,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:34:52,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:34:52,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:34:52,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:34:52,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:34:52,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:34:53,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:34:53,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:34:53,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:34:53,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:34:53,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:34:53,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:34:53,804 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-17 07:34:53,805 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:34:53,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:34:53,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1404753657, now seen corresponding path program 3 times [2021-06-17 07:34:53,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:34:53,805 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006317875] [2021-06-17 07:34:53,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:34:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:34:53,874 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:34:53,875 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:34:53,875 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006317875] [2021-06-17 07:34:53,875 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006317875] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:34:53,875 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597564482] [2021-06-17 07:34:53,875 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 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 [2021-06-17 07:34:53,904 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-17 07:34:53,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:34:53,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-17 07:34:53,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:34:54,044 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:34:54,045 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597564482] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:34:54,045 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:34:54,045 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-17 07:34:54,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520681967] [2021-06-17 07:34:54,046 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-17 07:34:54,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:34:54,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-17 07:34:54,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-17 07:34:54,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:34:54,050 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:34:54,050 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 07:34:54,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:34:54,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:34:54,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:34:54,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:34:54,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:34:54,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:34:54,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:34:54,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:34:54,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:34:54,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:34:54,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:34:54,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:34:54,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:34:54,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:34:54,519 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:34:54,519 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:34:54,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:34:54,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1909403317, now seen corresponding path program 4 times [2021-06-17 07:34:54,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:34:54,520 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839606158] [2021-06-17 07:34:54,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:34:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:34:54,589 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:34:54,590 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:34:54,590 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839606158] [2021-06-17 07:34:54,590 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839606158] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:34:54,590 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125041158] [2021-06-17 07:34:54,590 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 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 [2021-06-17 07:34:54,622 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 07:34:54,622 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:34:54,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-17 07:34:54,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:34:54,730 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 07:34:54,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125041158] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:34:54,730 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:34:54,730 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-17 07:34:54,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104142122] [2021-06-17 07:34:54,731 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-17 07:34:54,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:34:54,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-17 07:34:54,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-17 07:34:54,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:34:54,732 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:34:54,732 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 07:34:54,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:34:54,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:34:54,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:34:54,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:34:54,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:34:54,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:34:54,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:34:54,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:34:54,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:34:54,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:34:54,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:34:54,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:34:54,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:34:54,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:34:54,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:34:54,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:34:55,052 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:34:55,053 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:34:55,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:34:55,053 INFO L82 PathProgramCache]: Analyzing trace with hash 665523753, now seen corresponding path program 5 times [2021-06-17 07:34:55,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:34:55,053 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145074061] [2021-06-17 07:34:55,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:34:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:34:55,473 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:34:55,473 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:34:55,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145074061] [2021-06-17 07:34:55,473 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145074061] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:34:55,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884789703] [2021-06-17 07:34:55,473 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 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 [2021-06-17 07:34:55,524 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-17 07:34:55,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:34:55,525 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2021-06-17 07:34:55,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:34:56,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:34:56,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:34:56,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:34:56,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:34:56,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:34:56,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2021-06-17 07:34:56,145 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 07:34:56,149 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:34:56,151 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 07:34:56,151 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:48, output treesize:3 [2021-06-17 07:34:56,175 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:34:56,175 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884789703] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:34:56,175 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:34:56,176 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-06-17 07:34:56,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252591021] [2021-06-17 07:34:56,176 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-17 07:34:56,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:34:56,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-17 07:34:56,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=845, Unknown=0, NotChecked=0, Total=930 [2021-06-17 07:34:56,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:34:56,179 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:34:56,179 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.193548387096774) internal successors, (68), 31 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 07:34:56,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:34:56,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:34:56,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:34:56,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:34:56,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:34:56,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:34:56,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:34:56,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:34:56,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:34:57,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:34:57,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:34:57,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:34:57,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:34:57,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:34:57,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:34:57,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:34:57,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:34:57,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:34:57,488 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-17 07:34:57,489 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:34:57,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:34:57,489 INFO L82 PathProgramCache]: Analyzing trace with hash 440189797, now seen corresponding path program 6 times [2021-06-17 07:34:57,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:34:57,489 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456763020] [2021-06-17 07:34:57,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:34:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:34:58,084 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 4 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:34:58,085 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:34:58,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456763020] [2021-06-17 07:34:58,085 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456763020] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:34:58,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504369270] [2021-06-17 07:34:58,085 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 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 [2021-06-17 07:34:58,116 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-17 07:34:58,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:34:58,117 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-17 07:34:58,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:34:58,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:34:58,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:34:59,012 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:34:59,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 43 treesize of output 107 [2021-06-17 07:34:59,383 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-17 07:34:59,534 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 23 [2021-06-17 07:34:59,535 INFO L628 ElimStorePlain]: treesize reduction 1744, result has 1.7 percent of original size [2021-06-17 07:34:59,555 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 07:34:59,555 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:65, output treesize:19 [2021-06-17 07:34:59,613 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:34:59,613 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504369270] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:34:59,613 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:34:59,613 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22] total 37 [2021-06-17 07:34:59,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928435016] [2021-06-17 07:34:59,614 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-17 07:34:59,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:34:59,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-17 07:34:59,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1214, Unknown=0, NotChecked=0, Total=1332 [2021-06-17 07:34:59,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:34:59,614 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:34:59,615 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.027027027027027) internal successors, (75), 37 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) [2021-06-17 07:34:59,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:34:59,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:34:59,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:34:59,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:34:59,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:34:59,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:34:59,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:34:59,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:34:59,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:34:59,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:35:00,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:35:00,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:35:00,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:35:00,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:35:00,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:35:00,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:00,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:35:00,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:00,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:00,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:00,944 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-17 07:35:00,945 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:35:00,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:35:00,945 INFO L82 PathProgramCache]: Analyzing trace with hash 932932035, now seen corresponding path program 7 times [2021-06-17 07:35:00,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:35:00,945 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271158944] [2021-06-17 07:35:00,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:35:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:35:01,060 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 25 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:35:01,061 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:35:01,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271158944] [2021-06-17 07:35:01,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271158944] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:35:01,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460892698] [2021-06-17 07:35:01,061 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 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 [2021-06-17 07:35:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:35:01,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-17 07:35:01,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:35:01,398 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 36 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:35:01,398 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460892698] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:35:01,398 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:35:01,398 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 31 [2021-06-17 07:35:01,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392445884] [2021-06-17 07:35:01,399 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-17 07:35:01,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:35:01,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-17 07:35:01,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=765, Unknown=0, NotChecked=0, Total=930 [2021-06-17 07:35:01,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:35:01,400 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:35:01,400 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.3548387096774195) internal successors, (73), 31 states have internal predecessors, (73), 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) [2021-06-17 07:35:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:35:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:35:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:35:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:35:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:35:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:35:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:35:01,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:35:01,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:35:01,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:35:01,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:35:01,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:35:01,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:01,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:35:01,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:01,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:01,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:01,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 07:35:02,140 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:35:02,141 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:35:02,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:35:02,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1748614505, now seen corresponding path program 8 times [2021-06-17 07:35:02,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:35:02,141 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585981673] [2021-06-17 07:35:02,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:35:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:35:02,272 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 40 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:35:02,272 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:35:02,272 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585981673] [2021-06-17 07:35:02,272 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585981673] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:35:02,272 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969459309] [2021-06-17 07:35:02,272 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 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 [2021-06-17 07:35:02,302 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 07:35:02,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:35:02,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-17 07:35:02,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:35:02,583 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 49 proven. 49 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-17 07:35:02,583 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969459309] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:35:02,583 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:35:02,583 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18] total 36 [2021-06-17 07:35:02,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838589540] [2021-06-17 07:35:02,584 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-17 07:35:02,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:35:02,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-17 07:35:02,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1083, Unknown=0, NotChecked=0, Total=1260 [2021-06-17 07:35:02,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:35:02,585 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:35:02,585 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.4722222222222223) internal successors, (89), 36 states have internal predecessors, (89), 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) [2021-06-17 07:35:02,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:35:02,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:35:02,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:35:02,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:35:02,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:35:02,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:02,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:35:02,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:02,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:02,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:02,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 07:35:02,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:35:02,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:35:02,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:35:02,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:35:02,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:35:02,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:35:02,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:02,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:35:02,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:02,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:02,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:02,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 07:35:02,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 07:35:03,184 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2021-06-17 07:35:03,187 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:35:03,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:35:03,187 INFO L82 PathProgramCache]: Analyzing trace with hash 414393799, now seen corresponding path program 9 times [2021-06-17 07:35:03,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:35:03,187 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059721544] [2021-06-17 07:35:03,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:35:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:35:03,327 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 40 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:35:03,328 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:35:03,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059721544] [2021-06-17 07:35:03,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059721544] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:35:03,328 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106658482] [2021-06-17 07:35:03,328 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 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 [2021-06-17 07:35:03,363 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-06-17 07:35:03,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:35:03,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-17 07:35:03,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:35:03,750 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 40 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:35:03,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106658482] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:35:03,750 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:35:03,750 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 38 [2021-06-17 07:35:03,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168035421] [2021-06-17 07:35:03,751 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-17 07:35:03,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:35:03,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-17 07:35:03,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=1133, Unknown=0, NotChecked=0, Total=1406 [2021-06-17 07:35:03,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:35:03,751 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:35:03,752 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.289473684210526) internal successors, (87), 38 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 07:35:03,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:35:03,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:35:03,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:35:03,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:35:03,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:35:03,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:03,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:35:03,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:03,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:03,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:03,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 07:35:03,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 07:35:03,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:35:03,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:35:03,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:35:03,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:35:03,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:35:03,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:35:03,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:03,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:35:03,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:03,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:03,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:03,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 07:35:03,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 07:35:03,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:04,176 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:35:04,177 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:35:04,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:35:04,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1871450459, now seen corresponding path program 10 times [2021-06-17 07:35:04,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:35:04,178 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253959703] [2021-06-17 07:35:04,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:35:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:35:04,846 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:35:04,846 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:35:04,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253959703] [2021-06-17 07:35:04,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253959703] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:35:04,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793622280] [2021-06-17 07:35:04,847 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 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 [2021-06-17 07:35:04,878 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 07:35:04,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:35:04,879 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 80 conjunts are in the unsatisfiable core [2021-06-17 07:35:04,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:35:05,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:35:05,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:05,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:05,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:05,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:05,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:05,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:05,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:05,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:05,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:05,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:05,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:35:05,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:05,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:05,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:05,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:05,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:05,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:05,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:05,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:05,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:35:05,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:05,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:05,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:05,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:05,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:05,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:05,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 36 disjoint index pairs (out of 66 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 37 [2021-06-17 07:35:05,904 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 07:35:05,910 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:35:05,911 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 07:35:05,911 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:115, output treesize:7 [2021-06-17 07:35:05,941 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:35:05,941 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793622280] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:35:05,941 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:35:05,941 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 37 [2021-06-17 07:35:05,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278842092] [2021-06-17 07:35:05,942 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-17 07:35:05,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:35:05,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-17 07:35:05,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1234, Unknown=0, NotChecked=0, Total=1332 [2021-06-17 07:35:05,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:35:05,943 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:35:05,943 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.2432432432432434) internal successors, (83), 37 states have internal predecessors, (83), 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) [2021-06-17 07:35:05,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:35:05,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:35:05,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:35:05,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:35:05,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:35:05,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:05,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:35:05,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:05,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:05,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:05,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 07:35:05,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 07:35:05,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:05,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:35:06,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:35:06,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:35:06,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:35:06,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:35:06,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:35:06,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:06,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:35:06,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:06,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:06,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:06,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 07:35:06,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 07:35:06,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:06,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 07:35:06,801 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2021-06-17 07:35:06,801 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:35:06,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:35:06,801 INFO L82 PathProgramCache]: Analyzing trace with hash 455473155, now seen corresponding path program 11 times [2021-06-17 07:35:06,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:35:06,802 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741423609] [2021-06-17 07:35:06,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:35:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:35:07,011 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 64 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:35:07,012 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:35:07,012 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741423609] [2021-06-17 07:35:07,012 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741423609] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:35:07,012 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704355707] [2021-06-17 07:35:07,012 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 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 [2021-06-17 07:35:07,047 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-06-17 07:35:07,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:35:07,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-17 07:35:07,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:35:07,499 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 81 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:35:07,500 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704355707] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:35:07,500 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:35:07,500 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 43 [2021-06-17 07:35:07,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919505935] [2021-06-17 07:35:07,501 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-17 07:35:07,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:35:07,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-17 07:35:07,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=1488, Unknown=0, NotChecked=0, Total=1806 [2021-06-17 07:35:07,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:35:07,502 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:35:07,502 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 2.255813953488372) internal successors, (97), 43 states have internal predecessors, (97), 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) [2021-06-17 07:35:07,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:35:07,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:35:07,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:35:07,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:35:07,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:35:07,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:07,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:35:07,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:07,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:07,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:07,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 07:35:07,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 07:35:07,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:07,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 07:35:07,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:35:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:35:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:35:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:35:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:35:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:35:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:35:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 07:35:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 07:35:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 07:35:08,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 07:35:08,613 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:35:08,613 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:35:08,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:35:08,614 INFO L82 PathProgramCache]: Analyzing trace with hash -357524567, now seen corresponding path program 12 times [2021-06-17 07:35:08,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:35:08,614 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656203783] [2021-06-17 07:35:08,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:35:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:35:08,817 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 85 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:35:08,817 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:35:08,817 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656203783] [2021-06-17 07:35:08,817 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656203783] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:35:08,817 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745594609] [2021-06-17 07:35:08,817 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 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 [2021-06-17 07:35:08,860 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-06-17 07:35:08,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:35:08,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-17 07:35:08,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:35:09,361 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 85 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:35:09,361 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745594609] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:35:09,362 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:35:09,362 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 48 [2021-06-17 07:35:09,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535318666] [2021-06-17 07:35:09,362 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-06-17 07:35:09,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:35:09,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-06-17 07:35:09,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=429, Invalid=1827, Unknown=0, NotChecked=0, Total=2256 [2021-06-17 07:35:09,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:35:09,363 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:35:09,363 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 2.2291666666666665) internal successors, (107), 48 states have internal predecessors, (107), 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) [2021-06-17 07:35:09,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:35:09,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:35:09,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:35:09,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:35:09,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:35:09,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:09,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:35:09,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:09,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:09,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:09,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 07:35:09,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 07:35:09,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:09,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 07:35:09,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 07:35:09,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:35:09,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:35:09,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:35:09,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:35:09,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:35:09,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:35:09,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:09,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:35:09,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:09,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:09,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:09,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 07:35:09,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 07:35:09,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:09,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 07:35:09,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 07:35:09,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 07:35:09,873 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-06-17 07:35:09,874 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:35:09,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:35:09,874 INFO L82 PathProgramCache]: Analyzing trace with hash 2087347975, now seen corresponding path program 13 times [2021-06-17 07:35:09,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:35:09,874 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552040905] [2021-06-17 07:35:09,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:35:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:35:10,094 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 85 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:35:10,095 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:35:10,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552040905] [2021-06-17 07:35:10,095 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552040905] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:35:10,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445643397] [2021-06-17 07:35:10,095 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 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 [2021-06-17 07:35:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:35:10,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-17 07:35:10,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:35:10,657 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 85 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:35:10,657 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445643397] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:35:10,657 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:35:10,657 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 50 [2021-06-17 07:35:10,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673547070] [2021-06-17 07:35:10,658 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-06-17 07:35:10,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:35:10,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-06-17 07:35:10,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=468, Invalid=1982, Unknown=0, NotChecked=0, Total=2450 [2021-06-17 07:35:10,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:35:10,659 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:35:10,659 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 2.22) internal successors, (111), 50 states have internal predecessors, (111), 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) [2021-06-17 07:35:10,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:35:10,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:35:10,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:35:10,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:35:10,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:35:10,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:10,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:35:10,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:10,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:10,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:10,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 07:35:10,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 07:35:10,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:10,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 07:35:10,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 07:35:10,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 07:35:10,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:35:10,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:35:10,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:35:10,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:35:10,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:35:10,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:35:10,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:10,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:35:10,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:10,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:10,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:10,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 07:35:10,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 07:35:10,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:10,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 07:35:10,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 07:35:10,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 07:35:10,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 07:35:11,149 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:35:11,150 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:35:11,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:35:11,150 INFO L82 PathProgramCache]: Analyzing trace with hash -2032217371, now seen corresponding path program 14 times [2021-06-17 07:35:11,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:35:11,150 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759447593] [2021-06-17 07:35:11,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:35:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:35:12,155 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:35:12,156 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:35:12,156 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759447593] [2021-06-17 07:35:12,156 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759447593] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:35:12,156 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876336143] [2021-06-17 07:35:12,156 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:35:12,193 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 07:35:12,193 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:35:12,195 WARN L261 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 104 conjunts are in the unsatisfiable core [2021-06-17 07:35:12,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:35:13,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:35:13,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:35:13,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:35:13,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:35:13,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 66 disjoint index pairs (out of 105 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 46 [2021-06-17 07:35:13,677 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 07:35:13,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:35:13,685 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 07:35:13,685 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:142, output treesize:7 [2021-06-17 07:35:13,718 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:35:13,718 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [876336143] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:35:13,718 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:35:13,719 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 46 [2021-06-17 07:35:13,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35989685] [2021-06-17 07:35:13,719 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-17 07:35:13,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:35:13,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-17 07:35:13,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1948, Unknown=0, NotChecked=0, Total=2070 [2021-06-17 07:35:13,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:35:13,720 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:35:13,720 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 2.1956521739130435) internal successors, (101), 46 states have internal predecessors, (101), 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) [2021-06-17 07:35:13,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:35:13,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:35:13,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:35:13,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:35:13,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:35:13,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:13,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:35:13,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:13,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:13,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:13,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 07:35:13,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 07:35:13,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:13,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 07:35:13,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 07:35:13,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 07:35:13,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 07:35:13,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:35:14,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:35:14,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:35:14,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:35:14,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:35:14,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:35:14,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:14,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:35:14,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:14,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:14,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:14,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 07:35:14,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 07:35:14,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:14,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 07:35:14,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 07:35:14,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 07:35:14,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 07:35:14,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:14,753 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-06-17 07:35:14,753 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:35:14,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:35:14,753 INFO L82 PathProgramCache]: Analyzing trace with hash -974667965, now seen corresponding path program 15 times [2021-06-17 07:35:14,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:35:14,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48581439] [2021-06-17 07:35:14,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:35:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:35:15,054 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 121 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:35:15,054 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:35:15,054 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48581439] [2021-06-17 07:35:15,054 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48581439] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:35:15,054 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289328047] [2021-06-17 07:35:15,054 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:35:15,096 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-06-17 07:35:15,097 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:35:15,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-17 07:35:15,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:35:15,715 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 144 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:35:15,716 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289328047] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:35:15,716 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:35:15,716 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 55 [2021-06-17 07:35:15,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47812221] [2021-06-17 07:35:15,716 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-06-17 07:35:15,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:35:15,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-06-17 07:35:15,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=525, Invalid=2445, Unknown=0, NotChecked=0, Total=2970 [2021-06-17 07:35:15,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:35:15,717 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:35:15,717 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 2.2) internal successors, (121), 55 states have internal predecessors, (121), 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) [2021-06-17 07:35:15,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:35:15,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:35:15,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:35:15,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:35:15,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:35:15,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:15,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:35:15,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:15,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:15,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:15,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 07:35:15,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 07:35:15,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:15,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 07:35:15,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 07:35:15,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 07:35:15,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 07:35:15,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:15,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:35:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:35:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:35:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:35:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:35:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:35:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:35:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 07:35:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 07:35:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 07:35:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 07:35:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 07:35:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 07:35:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-17 07:35:17,268 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-06-17 07:35:17,268 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:35:17,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:35:17,268 INFO L82 PathProgramCache]: Analyzing trace with hash -229641495, now seen corresponding path program 16 times [2021-06-17 07:35:17,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:35:17,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126926710] [2021-06-17 07:35:17,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:35:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:35:17,608 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 148 proven. 194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:35:17,609 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:35:17,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126926710] [2021-06-17 07:35:17,609 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126926710] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:35:17,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880691013] [2021-06-17 07:35:17,609 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:35:17,646 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 07:35:17,646 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:35:17,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-17 07:35:17,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:35:18,334 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 169 proven. 169 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-17 07:35:18,335 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880691013] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:35:18,335 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:35:18,335 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30] total 60 [2021-06-17 07:35:18,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142708288] [2021-06-17 07:35:18,335 INFO L462 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-06-17 07:35:18,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:35:18,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-06-17 07:35:18,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=471, Invalid=3069, Unknown=0, NotChecked=0, Total=3540 [2021-06-17 07:35:18,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:35:18,336 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:35:18,337 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 60 states, 60 states have (on average 2.283333333333333) internal successors, (137), 60 states have internal predecessors, (137), 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) [2021-06-17 07:35:18,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:35:18,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:35:18,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:35:18,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:35:18,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:35:18,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:18,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:35:18,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:18,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:18,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:18,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 07:35:18,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 07:35:18,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:18,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 07:35:18,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 07:35:18,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 07:35:18,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 07:35:18,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:18,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-17 07:35:18,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:35:19,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:35:19,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:35:19,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:35:19,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:35:19,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:35:19,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:19,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:35:19,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:19,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:19,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:19,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 07:35:19,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 07:35:19,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:19,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 07:35:19,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 07:35:19,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 07:35:19,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 07:35:19,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:19,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-17 07:35:19,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 07:35:19,344 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:35:19,345 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:35:19,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:35:19,345 INFO L82 PathProgramCache]: Analyzing trace with hash 818782535, now seen corresponding path program 17 times [2021-06-17 07:35:19,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:35:19,345 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562396262] [2021-06-17 07:35:19,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:35:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:35:19,654 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 148 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:35:19,654 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:35:19,654 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562396262] [2021-06-17 07:35:19,655 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562396262] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:35:19,655 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314905153] [2021-06-17 07:35:19,655 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:35:19,697 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2021-06-17 07:35:19,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:35:19,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-17 07:35:19,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:35:20,411 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 148 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:35:20,411 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314905153] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:35:20,411 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 07:35:20,411 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 62 [2021-06-17 07:35:20,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198641456] [2021-06-17 07:35:20,412 INFO L462 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-06-17 07:35:20,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 07:35:20,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-06-17 07:35:20,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=717, Invalid=3065, Unknown=0, NotChecked=0, Total=3782 [2021-06-17 07:35:20,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:35:20,413 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 07:35:20,413 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 2.1774193548387095) internal successors, (135), 62 states have internal predecessors, (135), 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) [2021-06-17 07:35:20,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:35:20,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:35:20,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:35:20,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:35:20,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:35:20,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:20,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:35:20,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:20,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:20,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:20,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 07:35:20,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 07:35:20,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:20,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 07:35:20,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 07:35:20,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 07:35:20,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 07:35:20,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:20,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-06-17 07:35:20,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 07:35:20,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 07:35:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 07:35:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 07:35:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 07:35:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 07:35:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 07:35:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 07:35:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 07:35:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 07:35:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 07:35:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 07:35:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 07:35:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 07:35:20,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 07:35:20,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 07:35:20,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 07:35:20,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-06-17 07:35:20,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 07:35:20,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 07:35:21,000 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable61 [2021-06-17 07:35:21,000 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 07:35:21,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 07:35:21,000 INFO L82 PathProgramCache]: Analyzing trace with hash -963039195, now seen corresponding path program 18 times [2021-06-17 07:35:21,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 07:35:21,000 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275672336] [2021-06-17 07:35:21,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 07:35:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 07:35:22,377 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 0 proven. 398 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 07:35:22,377 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 07:35:22,377 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275672336] [2021-06-17 07:35:22,377 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275672336] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 07:35:22,377 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383854772] [2021-06-17 07:35:22,377 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 07:35:22,430 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2021-06-17 07:35:22,430 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 07:35:22,432 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 130 conjunts are in the unsatisfiable core [2021-06-17 07:35:22,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 07:36:59,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,421 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 07:37:00,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 07:37:00,536 INFO L244 Elim1Store]: Index analysis took 543 ms [2021-06-17 07:37:03,545 WARN L205 SmtUtils]: Spent 3.01 s on a formula simplification that was a NOOP. DAG size: 679 [2021-06-17 07:37:03,545 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 07:37:03,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 171 disjoint index pairs (out of 351 index pairs), introduced 26 new quantified variables, introduced 176 case distinctions, treesize of input 203 treesize of output 1661 [2021-06-17 07:37:07,125 WARN L205 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 2652 DAG size of output: 2325 [2021-06-17 07:37:11,042 WARN L205 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 2704 DAG size of output: 2377 [2021-06-17 07:39:13,208 WARN L205 SmtUtils]: Spent 2.01 m on a formula simplification. DAG size of input: 26390 DAG size of output: 18926 [2021-06-17 07:41:27,468 WARN L205 SmtUtils]: Spent 2.20 m on a formula simplification. DAG size of input: 26443 DAG size of output: 18979 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown