/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 13:47:42,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 13:47:42,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 13:47:42,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 13:47:42,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 13:47:42,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 13:47:42,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 13:47:42,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 13:47:42,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 13:47:42,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 13:47:42,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 13:47:42,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 13:47:42,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 13:47:42,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 13:47:42,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 13:47:42,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 13:47:42,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-17 13:47:42,141 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-Random42.epf [2021-06-17 13:47:42,189 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 13:47:42,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 13:47:42,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 13:47:42,190 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 13:47:42,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 13:47:42,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 13:47:42,192 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 13:47:42,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 13:47:42,192 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 13:47:42,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 13:47:42,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 13:47:42,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 13:47:42,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 13:47:42,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 13:47:42,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 13:47:42,194 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 13:47:42,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 13:47:42,194 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 13:47:42,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 13:47:42,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 13:47:42,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 13:47:42,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 13:47:42,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 13:47:42,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 13:47:42,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 13:47:42,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 13:47:42,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 13:47:42,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 13:47:42,196 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-17 13:47:42,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 13:47:42,196 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 13:47:42,196 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 13:47:42,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 13:47:42,197 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 13:47:42,197 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-17 13:47:42,197 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 13:47:42,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 13:47:42,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 13:47:42,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 13:47:42,507 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 13:47:42,508 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 13:47:42,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl [2021-06-17 13:47:42,516 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl' [2021-06-17 13:47:42,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 13:47:42,547 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 13:47:42,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 13:47:42,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 13:47:42,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 13:47:42,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:47:42" (1/1) ... [2021-06-17 13:47:42,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:47:42" (1/1) ... [2021-06-17 13:47:42,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 13:47:42,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 13:47:42,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 13:47:42,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 13:47:42,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:47:42" (1/1) ... [2021-06-17 13:47:42,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:47:42" (1/1) ... [2021-06-17 13:47:42,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:47:42" (1/1) ... [2021-06-17 13:47:42,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:47:42" (1/1) ... [2021-06-17 13:47:42,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:47:42" (1/1) ... [2021-06-17 13:47:42,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:47:42" (1/1) ... [2021-06-17 13:47:42,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:47:42" (1/1) ... [2021-06-17 13:47:42,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 13:47:42,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 13:47:42,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 13:47:42,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 13:47:42,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:47:42" (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 13:47:42,656 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 13:47:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 13:47:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 13:47:42,656 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 13:47:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 13:47:42,657 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 13:47:42,657 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 13:47:42,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 13:47:42,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 13:47:42,658 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-17 13:47:42,658 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-17 13:47:42,659 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-17 13:47:42,660 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 13:47:42,793 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 13:47:42,793 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-17 13:47:42,794 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 01:47:42 BoogieIcfgContainer [2021-06-17 13:47:42,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 13:47:42,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 13:47:42,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 13:47:42,799 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 13:47:42,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:47:42" (1/2) ... [2021-06-17 13:47:42,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9304d8 and model type array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 01:47:42, skipping insertion in model container [2021-06-17 13:47:42,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 01:47:42" (2/2) ... [2021-06-17 13:47:42,801 INFO L111 eAbstractionObserver]: Analyzing ICFG array-sum-alt.wvr.bpl [2021-06-17 13:47:42,805 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 13:47:42,805 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 13:47:42,805 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 13:47:42,806 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 13:47:42,847 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-17 13:47:42,862 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 13:47:42,902 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 13:47:42,903 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 13:47:42,903 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 13:47:42,903 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 13:47:42,903 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 13:47:42,903 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 13:47:42,903 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 13:47:42,903 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 13:47:42,974 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:47:42,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:47:42,978 INFO L82 PathProgramCache]: Analyzing trace with hash -470960226, now seen corresponding path program 1 times [2021-06-17 13:47:42,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:47:42,986 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843919429] [2021-06-17 13:47:42,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:47:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:47:43,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:47:43,234 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:47:43,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843919429] [2021-06-17 13:47:43,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843919429] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:47:43,235 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 13:47:43,235 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-17 13:47:43,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764975466] [2021-06-17 13:47:43,239 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-17 13:47:43,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:47:43,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-17 13:47:43,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-17 13:47:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:43,267 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:47:43,281 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 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 13:47:43,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:43,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:47:43,371 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 13:47:43,371 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:47:43,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:47:43,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1635042399, now seen corresponding path program 1 times [2021-06-17 13:47:43,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:47:43,376 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952543283] [2021-06-17 13:47:43,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:47:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:47:43,432 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 13:47:43,433 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:47:43,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952543283] [2021-06-17 13:47:43,433 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952543283] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:47:43,433 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 13:47:43,433 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-17 13:47:43,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182089189] [2021-06-17 13:47:43,435 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 13:47:43,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:47:43,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 13:47:43,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 13:47:43,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:43,437 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:47:43,438 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 13:47:43,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:47:43,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:47:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:47:43,562 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 13:47:43,562 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:47:43,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:47:43,563 INFO L82 PathProgramCache]: Analyzing trace with hash 225786051, now seen corresponding path program 1 times [2021-06-17 13:47:43,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:47:43,564 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915283800] [2021-06-17 13:47:43,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:47:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:47:43,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:47:43,624 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:47:43,624 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915283800] [2021-06-17 13:47:43,625 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915283800] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:47:43,625 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 13:47:43,625 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-17 13:47:43,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720350733] [2021-06-17 13:47:43,625 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-17 13:47:43,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:47:43,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-17 13:47:43,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-17 13:47:43,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:43,629 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:47:43,629 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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 13:47:43,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:47:43,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:47:43,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:43,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:47:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:47:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:47:43,777 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-17 13:47:43,777 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:47:43,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:47:43,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1296635987, now seen corresponding path program 1 times [2021-06-17 13:47:43,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:47:43,779 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036365388] [2021-06-17 13:47:43,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:47:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:47:44,254 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 13:47:44,255 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:47:44,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036365388] [2021-06-17 13:47:44,256 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036365388] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:47:44,256 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31882191] [2021-06-17 13:47:44,256 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 13:47:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:47:44,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-17 13:47:44,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:47:44,535 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:47:44,539 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 13:47:44,543 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:47:44,547 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:47:44,552 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 13:47:44,552 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:3 [2021-06-17 13:47:44,589 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 13:47:44,592 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31882191] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:47:44,593 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:47:44,593 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 13 [2021-06-17 13:47:44,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168200071] [2021-06-17 13:47:44,594 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-17 13:47:44,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:47:44,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-17 13:47:44,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-06-17 13:47:44,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:44,597 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:47:44,600 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 13 states have internal predecessors, (41), 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 13:47:44,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:47:44,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:47:44,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:47:44,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:44,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:47:44,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:47:44,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:47:44,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:47:45,128 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:47:45,129 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:47:45,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:47:45,130 INFO L82 PathProgramCache]: Analyzing trace with hash 565854192, now seen corresponding path program 2 times [2021-06-17 13:47:45,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:47:45,130 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328487761] [2021-06-17 13:47:45,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:47:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:47:45,203 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:47:45,203 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:47:45,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328487761] [2021-06-17 13:47:45,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328487761] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:47:45,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799650860] [2021-06-17 13:47:45,204 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 13:47:45,237 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 13:47:45,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:47:45,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 13:47:45,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:47:45,376 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:47:45,377 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799650860] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:47:45,377 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:47:45,377 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-17 13:47:45,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467699991] [2021-06-17 13:47:45,378 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-17 13:47:45,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:47:45,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-17 13:47:45,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-06-17 13:47:45,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:45,379 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:47:45,379 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:47:45,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:47:45,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:47:45,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:47:45,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:47:45,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:45,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:47:45,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:47:45,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:47:45,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:47:45,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:47:45,772 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:47:45,773 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:47:45,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:47:45,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1723971723, now seen corresponding path program 3 times [2021-06-17 13:47:45,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:47:45,774 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315685193] [2021-06-17 13:47:45,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:47:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:47:46,269 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:47:46,269 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:47:46,269 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315685193] [2021-06-17 13:47:46,269 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315685193] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:47:46,269 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632156148] [2021-06-17 13:47:46,269 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:47:46,298 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-17 13:47:46,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:47:46,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-17 13:47:46,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:47:46,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:47:46,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:47:46,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:47:46,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:47:46,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-06-17 13:47:46,603 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:47:46,607 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:47:46,609 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 13:47:46,609 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:3 [2021-06-17 13:47:46,632 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:47:46,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632156148] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:47:46,633 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:47:46,633 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 25 [2021-06-17 13:47:46,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198968755] [2021-06-17 13:47:46,633 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-17 13:47:46,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:47:46,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-17 13:47:46,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2021-06-17 13:47:46,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:46,634 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:47:46,635 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.076923076923077) internal successors, (54), 25 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:47:46,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:47:46,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:47:46,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:47:46,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:47:46,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:47:46,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:47,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:47:47,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:47:47,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:47:47,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:47:47,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:47:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:47:47,855 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:47:47,856 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:47:47,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:47:47,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1041700024, now seen corresponding path program 4 times [2021-06-17 13:47:47,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:47:47,856 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118239420] [2021-06-17 13:47:47,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:47:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:47:47,930 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:47:47,930 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:47:47,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118239420] [2021-06-17 13:47:47,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118239420] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:47:47,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613210272] [2021-06-17 13:47:47,931 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:47:47,963 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 13:47:47,963 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:47:47,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-17 13:47:47,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:47:48,092 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:47:48,092 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613210272] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:47:48,093 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:47:48,093 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-06-17 13:47:48,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115570655] [2021-06-17 13:47:48,093 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-17 13:47:48,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:47:48,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-17 13:47:48,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2021-06-17 13:47:48,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:48,094 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:47:48,094 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 16 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:47:48,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:47:48,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:47:48,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:47:48,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:47:48,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:47:48,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:47:48,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:47:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:47:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:47:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:47:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:47:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:47:48,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:47:48,688 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-17 13:47:48,689 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:47:48,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:47:48,689 INFO L82 PathProgramCache]: Analyzing trace with hash -724326604, now seen corresponding path program 5 times [2021-06-17 13:47:48,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:47:48,690 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353920461] [2021-06-17 13:47:48,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:47:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:47:48,750 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:47:48,750 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:47:48,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353920461] [2021-06-17 13:47:48,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353920461] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:47:48,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046107598] [2021-06-17 13:47:48,750 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:47:48,787 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-17 13:47:48,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:47:48,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-17 13:47:48,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:47:48,869 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:47:48,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046107598] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:47:48,869 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:47:48,869 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 12 [2021-06-17 13:47:48,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018798444] [2021-06-17 13:47:48,870 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-17 13:47:48,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:47:48,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-17 13:47:48,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-17 13:47:48,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:48,870 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:47:48,871 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 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 13:47:48,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:47:48,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:47:48,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:47:48,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:47:48,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:47:48,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:47:48,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:47:48,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:49,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:47:49,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:47:49,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:47:49,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:47:49,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:47:49,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:47:49,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:47:49,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:47:49,301 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:47:49,301 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:47:49,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:47:49,301 INFO L82 PathProgramCache]: Analyzing trace with hash 920861039, now seen corresponding path program 6 times [2021-06-17 13:47:49,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:47:49,302 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649697071] [2021-06-17 13:47:49,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:47:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:47:49,968 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:47:49,969 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:47:49,969 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649697071] [2021-06-17 13:47:49,969 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649697071] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:47:49,969 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114325202] [2021-06-17 13:47:49,969 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:47:50,002 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-17 13:47:50,003 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:47:50,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 33 conjunts are in the unsatisfiable core [2021-06-17 13:47:50,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:47:50,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:47:50,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:47:50,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:47:50,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:47:50,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:47:50,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:47:50,590 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:47:50,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 67 [2021-06-17 13:47:50,685 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-17 13:47:50,694 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:47:50,695 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 13:47:50,695 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:18 [2021-06-17 13:47:50,831 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:47:50,831 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114325202] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:47:50,831 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:47:50,831 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-06-17 13:47:50,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093679334] [2021-06-17 13:47:50,832 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-17 13:47:50,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:47:50,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-17 13:47:50,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=1135, Unknown=0, NotChecked=0, Total=1260 [2021-06-17 13:47:50,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:50,833 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:47:50,833 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.8888888888888888) internal successors, (68), 36 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 13:47:50,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:47:50,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:47:50,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:47:50,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:47:50,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:47:50,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:47:50,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:47:50,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:47:50,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:47:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:47:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:47:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:47:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:47:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:47:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:47:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:47:52,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 13:47:52,916 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:47:52,917 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:47:52,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:47:52,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1460848300, now seen corresponding path program 7 times [2021-06-17 13:47:52,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:47:52,917 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392391832] [2021-06-17 13:47:52,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:47:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:47:53,001 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:47:53,002 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:47:53,002 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392391832] [2021-06-17 13:47:53,003 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392391832] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:47:53,003 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400555412] [2021-06-17 13:47:53,003 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:47:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:47:53,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-17 13:47:53,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:47:53,236 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:47:53,236 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400555412] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:47:53,237 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:47:53,237 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-17 13:47:53,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858464593] [2021-06-17 13:47:53,240 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-17 13:47:53,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:47:53,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-17 13:47:53,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2021-06-17 13:47:53,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:53,241 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:47:53,241 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 3.2857142857142856) internal successors, (69), 20 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:47:53,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:47:53,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:47:53,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:47:53,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:47:53,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:47:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:47:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:47:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:47:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 13:47:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:53,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:47:53,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:47:53,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:47:53,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:47:53,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:47:53,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:47:53,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:47:53,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:47:53,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:47:53,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:47:54,022 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-06-17 13:47:54,023 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:47:54,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:47:54,023 INFO L82 PathProgramCache]: Analyzing trace with hash 189252952, now seen corresponding path program 8 times [2021-06-17 13:47:54,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:47:54,023 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640695002] [2021-06-17 13:47:54,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:47:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:47:54,090 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:47:54,090 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:47:54,090 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640695002] [2021-06-17 13:47:54,090 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640695002] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:47:54,090 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633814416] [2021-06-17 13:47:54,091 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:47:54,120 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 13:47:54,120 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:47:54,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-17 13:47:54,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:47:54,218 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:47:54,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633814416] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:47:54,219 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:47:54,219 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 14 [2021-06-17 13:47:54,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539735063] [2021-06-17 13:47:54,219 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-17 13:47:54,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:47:54,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-17 13:47:54,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-06-17 13:47:54,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:54,220 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:47:54,220 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:47:54,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:47:54,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:47:54,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:47:54,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:47:54,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:47:54,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:47:54,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:47:54,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:47:54,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:47:54,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:47:54,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:54,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:47:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:47:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:47:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:47:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:47:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:47:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:47:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:47:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:47:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:47:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:47:54,736 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-06-17 13:47:54,737 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:47:54,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:47:54,737 INFO L82 PathProgramCache]: Analyzing trace with hash 161659083, now seen corresponding path program 9 times [2021-06-17 13:47:54,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:47:54,737 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619896391] [2021-06-17 13:47:54,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:47:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:47:55,630 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 1 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:47:55,630 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:47:55,630 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619896391] [2021-06-17 13:47:55,630 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619896391] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:47:55,630 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113750128] [2021-06-17 13:47:55,630 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:47:55,659 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-17 13:47:55,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:47:55,660 WARN L261 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-17 13:47:55,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:47:56,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:47:56,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:47:56,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:47:56,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:47:56,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:47:56,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:47:56,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:47:56,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:47:56,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:47:56,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:47:56,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:47:56,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:47:56,500 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:47:56,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 37 treesize of output 107 [2021-06-17 13:47:56,583 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-06-17 13:47:56,590 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:47:56,591 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 13:47:56,591 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:46, output treesize:18 [2021-06-17 13:47:56,761 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:47:56,761 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113750128] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:47:56,761 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:47:56,761 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 44 [2021-06-17 13:47:56,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848846566] [2021-06-17 13:47:56,764 INFO L462 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-06-17 13:47:56,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:47:56,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-06-17 13:47:56,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1739, Unknown=0, NotChecked=0, Total=1892 [2021-06-17 13:47:56,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:56,766 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:47:56,767 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 1.8181818181818181) internal successors, (80), 44 states have internal predecessors, (80), 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 13:47:56,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:47:56,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:47:56,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:47:56,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:47:56,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:47:56,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:47:56,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:47:56,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:47:56,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:47:56,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:47:56,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:47:56,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:59,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:47:59,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:47:59,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:47:59,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:47:59,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:47:59,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:47:59,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:47:59,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:47:59,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:47:59,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:47:59,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:47:59,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:47:59,593 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:47:59,594 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:47:59,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:47:59,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1548538760, now seen corresponding path program 10 times [2021-06-17 13:47:59,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:47:59,594 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751256888] [2021-06-17 13:47:59,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:47:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:47:59,705 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 28 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:47:59,705 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:47:59,705 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751256888] [2021-06-17 13:47:59,705 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751256888] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:47:59,705 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232812949] [2021-06-17 13:47:59,705 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:47:59,734 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 13:47:59,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:47:59,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-17 13:47:59,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:47:59,952 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 28 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:47:59,952 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232812949] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:47:59,953 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:47:59,953 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-06-17 13:47:59,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716644579] [2021-06-17 13:47:59,953 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-17 13:47:59,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:47:59,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-17 13:47:59,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2021-06-17 13:47:59,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:47:59,954 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:47:59,954 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 3.24) internal successors, (81), 24 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:47:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:47:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:47:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:47:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:47:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:47:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:47:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:47:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:47:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:47:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:47:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:47:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:47:59,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:48:00,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:48:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:48:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:48:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:48:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:48:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:48:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:48:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:48:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 13:48:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:01,124 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2021-06-17 13:48:01,125 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:48:01,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:48:01,126 INFO L82 PathProgramCache]: Analyzing trace with hash -1223493969, now seen corresponding path program 11 times [2021-06-17 13:48:01,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:48:01,126 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533145681] [2021-06-17 13:48:01,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:48:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:48:02,193 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:48:02,193 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:48:02,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533145681] [2021-06-17 13:48:02,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533145681] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:48:02,194 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114624747] [2021-06-17 13:48:02,194 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:48:02,245 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-17 13:48:02,245 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:48:02,246 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2021-06-17 13:48:02,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:48:03,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:03,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:03,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:03,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:03,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:03,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:03,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:03,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:03,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:03,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:03,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:03,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:03,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:03,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:03,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:03,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:03,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:03,203 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:03,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:03,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 25 [2021-06-17 13:48:03,206 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:48:03,210 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:48:03,211 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 13:48:03,211 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:69, output treesize:7 [2021-06-17 13:48:03,240 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:48:03,240 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114624747] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:48:03,240 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:48:03,240 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 23] total 46 [2021-06-17 13:48:03,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926594220] [2021-06-17 13:48:03,240 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-17 13:48:03,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:48:03,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-17 13:48:03,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1960, Unknown=0, NotChecked=0, Total=2162 [2021-06-17 13:48:03,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:48:03,243 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:48:03,243 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.851063829787234) internal successors, (87), 46 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 13:48:03,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:48:03,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:48:03,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:48:03,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:48:03,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:48:03,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:03,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:48:03,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:48:03,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:03,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:48:03,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:03,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 13:48:03,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:03,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:48:06,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:48:06,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:48:06,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:48:06,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:48:06,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:48:06,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:06,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:48:06,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:48:06,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:06,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:48:06,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:06,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 13:48:06,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:06,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-17 13:48:06,385 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:48:06,385 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:48:06,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:48:06,386 INFO L82 PathProgramCache]: Analyzing trace with hash -597330924, now seen corresponding path program 12 times [2021-06-17 13:48:06,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:48:06,386 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824515549] [2021-06-17 13:48:06,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:48:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:48:06,494 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 42 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:48:06,494 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:48:06,494 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824515549] [2021-06-17 13:48:06,494 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824515549] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:48:06,494 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475870243] [2021-06-17 13:48:06,494 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:48:06,544 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-17 13:48:06,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:48:06,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-17 13:48:06,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:48:06,763 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 42 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:48:06,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475870243] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:48:06,764 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:48:06,764 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-06-17 13:48:06,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096894277] [2021-06-17 13:48:06,764 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-17 13:48:06,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:48:06,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-17 13:48:06,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=647, Unknown=0, NotChecked=0, Total=812 [2021-06-17 13:48:06,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:48:06,765 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:48:06,765 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.206896551724138) internal successors, (93), 28 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:48:06,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:48:06,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:48:06,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:48:06,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:48:06,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:48:06,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:06,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:48:06,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:48:06,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:06,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:48:06,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:06,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-17 13:48:06,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:06,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-17 13:48:06,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:48:08,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:48:08,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:48:08,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:48:08,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:48:08,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:48:08,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:08,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:48:08,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:48:08,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:08,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:48:08,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:08,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:48:08,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:08,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:48:08,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:48:08,363 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-06-17 13:48:08,363 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:48:08,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:48:08,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1262716661, now seen corresponding path program 13 times [2021-06-17 13:48:08,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:48:08,364 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268625368] [2021-06-17 13:48:08,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:48:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:48:09,549 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 12 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:48:09,549 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:48:09,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268625368] [2021-06-17 13:48:09,549 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268625368] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:48:09,549 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086883097] [2021-06-17 13:48:09,549 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:48:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:48:09,599 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-17 13:48:09,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:48:10,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:10,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:10,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:10,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:10,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:10,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:10,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:10,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:10,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:10,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:10,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:10,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:10,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:10,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:10,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:10,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:10,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:10,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:10,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:10,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:10,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:10,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:10,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:10,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:10,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:10,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:10,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:10,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 28 [2021-06-17 13:48:10,715 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:48:10,719 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:48:10,720 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 13:48:10,720 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:80, output treesize:7 [2021-06-17 13:48:10,747 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:48:10,747 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086883097] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:48:10,747 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:48:10,747 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 27] total 54 [2021-06-17 13:48:10,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967977708] [2021-06-17 13:48:10,748 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-06-17 13:48:10,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:48:10,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-06-17 13:48:10,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=264, Invalid=2706, Unknown=0, NotChecked=0, Total=2970 [2021-06-17 13:48:10,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:48:10,749 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:48:10,750 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.8) internal successors, (99), 54 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:48:10,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:48:10,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:48:10,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:48:10,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:48:10,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:48:10,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:10,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:48:10,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:48:10,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:10,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:48:10,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:10,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:48:10,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:10,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:48:10,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:48:10,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:48:14,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:48:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:48:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:48:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:48:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:48:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:48:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:48:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:48:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:48:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:48:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:48:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:48:14,524 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:48:14,525 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:48:14,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:48:14,525 INFO L82 PathProgramCache]: Analyzing trace with hash -849443784, now seen corresponding path program 14 times [2021-06-17 13:48:14,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:48:14,525 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127160344] [2021-06-17 13:48:14,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:48:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:48:14,654 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 59 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:48:14,654 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:48:14,655 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127160344] [2021-06-17 13:48:14,655 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127160344] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:48:14,655 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39128192] [2021-06-17 13:48:14,655 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:48:14,689 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 13:48:14,690 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:48:14,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-17 13:48:14,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:48:14,999 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 59 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:48:14,999 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39128192] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:48:15,000 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:48:15,000 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-17 13:48:15,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559203680] [2021-06-17 13:48:15,000 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-17 13:48:15,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:48:15,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-17 13:48:15,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=844, Unknown=0, NotChecked=0, Total=1056 [2021-06-17 13:48:15,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:48:15,001 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:48:15,001 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 3.1818181818181817) internal successors, (105), 32 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:48:15,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:48:15,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:48:15,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:48:15,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:48:15,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:48:15,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:15,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:48:15,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:48:15,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:15,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:48:15,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:15,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:48:15,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:15,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:48:15,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:48:15,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:48:15,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:48:16,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:48:16,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:48:16,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:48:16,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:48:16,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:48:16,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:16,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:48:16,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:48:16,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:16,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:48:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:48:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:48:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:48:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 13:48:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:48:16,921 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-06-17 13:48:16,921 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:48:16,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:48:16,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1803924463, now seen corresponding path program 15 times [2021-06-17 13:48:16,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:48:16,922 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457550591] [2021-06-17 13:48:16,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:48:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:48:18,366 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 22 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:48:18,366 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:48:18,366 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457550591] [2021-06-17 13:48:18,366 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457550591] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:48:18,366 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164641153] [2021-06-17 13:48:18,366 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:48:18,401 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-17 13:48:18,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:48:18,403 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 70 conjunts are in the unsatisfiable core [2021-06-17 13:48:18,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:48:20,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:20,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:20,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:20,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:20,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:20,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:20,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:20,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:20,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 31 [2021-06-17 13:48:20,100 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:48:20,107 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:48:20,107 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 13:48:20,108 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:97, output treesize:19 [2021-06-17 13:48:20,236 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:48:20,237 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164641153] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:48:20,237 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:48:20,237 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 36] total 67 [2021-06-17 13:48:20,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347528552] [2021-06-17 13:48:20,237 INFO L462 AbstractCegarLoop]: Interpolant automaton has 68 states [2021-06-17 13:48:20,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:48:20,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2021-06-17 13:48:20,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=512, Invalid=4044, Unknown=0, NotChecked=0, Total=4556 [2021-06-17 13:48:20,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:48:20,238 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:48:20,238 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 68 states, 68 states have (on average 1.6323529411764706) internal successors, (111), 67 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 13:48:20,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:48:20,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:48:20,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:48:20,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:48:20,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:48:20,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:20,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:48:20,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:48:20,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:20,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:48:20,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:20,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:48:20,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:20,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:48:20,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:48:20,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 13:48:20,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:48:20,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:48:24,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:48:24,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:48:24,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:48:24,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:48:24,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:48:24,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:24,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:48:24,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:48:24,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:24,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:48:24,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:24,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:48:24,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:24,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:48:24,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:48:24,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-17 13:48:24,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:48:24,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-06-17 13:48:24,254 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-06-17 13:48:24,255 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:48:24,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:48:24,255 INFO L82 PathProgramCache]: Analyzing trace with hash -793071916, now seen corresponding path program 16 times [2021-06-17 13:48:24,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:48:24,255 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847861779] [2021-06-17 13:48:24,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:48:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:48:24,429 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 79 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:48:24,429 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:48:24,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847861779] [2021-06-17 13:48:24,429 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847861779] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:48:24,429 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846369483] [2021-06-17 13:48:24,429 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 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 13:48:24,476 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 13:48:24,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:48:24,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-17 13:48:24,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:48:24,838 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 79 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:48:24,839 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846369483] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:48:24,839 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:48:24,839 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-06-17 13:48:24,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579188417] [2021-06-17 13:48:24,839 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-17 13:48:24,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:48:24,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-17 13:48:24,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=1067, Unknown=0, NotChecked=0, Total=1332 [2021-06-17 13:48:24,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:48:24,840 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:48:24,841 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 3.1621621621621623) internal successors, (117), 36 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:48:24,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:48:24,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:48:24,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:48:24,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:48:24,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:48:24,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:24,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:48:24,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:48:24,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:24,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:48:24,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:24,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:48:24,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:24,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:48:24,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:48:24,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-17 13:48:24,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:48:24,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-06-17 13:48:24,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:48:26,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:48:26,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:48:26,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:48:26,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:48:26,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:48:26,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:26,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:48:26,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:48:26,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:26,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:48:26,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:26,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:48:26,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:26,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:48:26,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:48:26,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:48:26,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:48:26,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-17 13:48:26,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:48:27,097 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-06-17 13:48:27,097 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:48:27,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:48:27,098 INFO L82 PathProgramCache]: Analyzing trace with hash 186054987, now seen corresponding path program 17 times [2021-06-17 13:48:27,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:48:27,098 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699344348] [2021-06-17 13:48:27,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:48:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:48:28,866 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 35 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:48:28,866 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:48:28,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699344348] [2021-06-17 13:48:28,866 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699344348] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:48:28,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265306654] [2021-06-17 13:48:28,867 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 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 13:48:28,905 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-17 13:48:28,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:48:28,906 WARN L261 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 72 conjunts are in the unsatisfiable core [2021-06-17 13:48:28,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:48:30,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:30,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,785 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:30,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:30,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:30,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:30,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:30,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:30,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:30,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:30,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 34 [2021-06-17 13:48:30,810 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:48:30,815 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:48:30,815 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 13:48:30,816 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:102, output treesize:7 [2021-06-17 13:48:30,847 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:48:30,848 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265306654] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:48:30,848 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:48:30,848 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 35] total 70 [2021-06-17 13:48:30,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700177565] [2021-06-17 13:48:30,848 INFO L462 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-06-17 13:48:30,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:48:30,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-06-17 13:48:30,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=424, Invalid=4546, Unknown=0, NotChecked=0, Total=4970 [2021-06-17 13:48:30,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:48:30,850 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:48:30,850 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 71 states, 71 states have (on average 1.732394366197183) internal successors, (123), 70 states have internal predecessors, (123), 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 13:48:30,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:48:30,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:48:30,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:48:30,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:48:30,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:48:30,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:30,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:48:30,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:48:30,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:30,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:48:30,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:30,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:48:30,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:30,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:48:30,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:48:30,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:48:30,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:48:30,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-17 13:48:30,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:48:30,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:48:36,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:48:36,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:48:36,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:48:36,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:48:36,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:48:36,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:36,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:48:36,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:48:36,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:36,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:48:36,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:36,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:48:36,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:36,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:48:36,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:48:36,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:48:36,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:48:36,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-17 13:48:36,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:48:36,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-06-17 13:48:37,072 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2021-06-17 13:48:37,073 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:48:37,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:48:37,073 INFO L82 PathProgramCache]: Analyzing trace with hash -619635720, now seen corresponding path program 18 times [2021-06-17 13:48:37,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:48:37,073 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829213643] [2021-06-17 13:48:37,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:48:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:48:37,264 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 102 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:48:37,264 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:48:37,264 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829213643] [2021-06-17 13:48:37,264 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829213643] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:48:37,264 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646488339] [2021-06-17 13:48:37,264 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 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 13:48:37,312 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-06-17 13:48:37,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:48:37,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-17 13:48:37,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:48:37,692 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 102 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:48:37,692 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646488339] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:48:37,692 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:48:37,693 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 40 [2021-06-17 13:48:37,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85084413] [2021-06-17 13:48:37,693 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-17 13:48:37,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:48:37,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-17 13:48:37,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=324, Invalid=1316, Unknown=0, NotChecked=0, Total=1640 [2021-06-17 13:48:37,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:48:37,694 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:48:37,694 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 3.1463414634146343) internal successors, (129), 40 states have internal predecessors, (129), 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 13:48:37,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:48:37,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:48:37,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:48:37,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:48:37,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:48:37,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:37,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:48:37,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:48:37,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:37,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:48:37,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:37,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:48:37,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:37,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:48:37,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:48:37,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:48:37,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:48:37,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-06-17 13:48:37,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:48:37,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-06-17 13:48:37,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:48:40,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:48:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:48:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:48:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:48:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:48:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:48:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:48:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:48:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:48:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:48:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:48:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:48:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:48:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:48:40,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:48:40,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-17 13:48:40,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:48:40,472 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:48:40,473 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:48:40,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:48:40,473 INFO L82 PathProgramCache]: Analyzing trace with hash 76771631, now seen corresponding path program 19 times [2021-06-17 13:48:40,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:48:40,473 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955660832] [2021-06-17 13:48:40,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:48:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:48:42,421 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 51 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:48:42,422 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:48:42,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955660832] [2021-06-17 13:48:42,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955660832] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:48:42,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380679243] [2021-06-17 13:48:42,422 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 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 13:48:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:48:42,479 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 80 conjunts are in the unsatisfiable core [2021-06-17 13:48:42,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:48:44,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:44,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:44,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:44,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:44,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:44,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:44,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:44,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:48:44,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:44,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:48:44,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 37 [2021-06-17 13:48:44,881 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:48:44,885 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:48:44,886 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 13:48:44,886 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:113, output treesize:7 [2021-06-17 13:48:44,920 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:48:44,920 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380679243] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:48:44,920 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:48:44,920 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 39] total 78 [2021-06-17 13:48:44,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172900027] [2021-06-17 13:48:44,921 INFO L462 AbstractCegarLoop]: Interpolant automaton has 79 states [2021-06-17 13:48:44,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:48:44,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2021-06-17 13:48:44,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=522, Invalid=5640, Unknown=0, NotChecked=0, Total=6162 [2021-06-17 13:48:44,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:48:44,922 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:48:44,922 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 79 states, 79 states have (on average 1.7088607594936709) internal successors, (135), 78 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 13:48:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:48:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:48:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:48:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:48:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:48:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:48:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:48:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:48:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:48:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:48:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:48:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:48:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:48:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:48:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:48:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-06-17 13:48:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:48:44,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:48:52,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:48:52,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:48:52,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:48:52,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:48:52,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:48:52,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:52,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:48:52,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:48:52,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:52,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:48:52,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:52,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:48:52,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:52,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:48:52,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:48:52,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:48:52,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:48:52,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:48:52,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:48:52,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-17 13:48:52,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:48:52,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-17 13:48:52,688 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2021-06-17 13:48:52,689 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:48:52,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:48:52,689 INFO L82 PathProgramCache]: Analyzing trace with hash -694883948, now seen corresponding path program 20 times [2021-06-17 13:48:52,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:48:52,689 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242615750] [2021-06-17 13:48:52,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:48:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:48:52,868 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 128 proven. 134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:48:52,868 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:48:52,868 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242615750] [2021-06-17 13:48:52,868 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242615750] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:48:52,868 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827273428] [2021-06-17 13:48:52,869 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 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 13:48:52,902 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 13:48:52,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:48:52,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-17 13:48:52,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:48:53,336 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 128 proven. 134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:48:53,337 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827273428] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:48:53,337 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:48:53,337 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 44 [2021-06-17 13:48:53,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670227554] [2021-06-17 13:48:53,337 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-06-17 13:48:53,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:48:53,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-06-17 13:48:53,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=389, Invalid=1591, Unknown=0, NotChecked=0, Total=1980 [2021-06-17 13:48:53,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:48:53,338 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:48:53,338 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 3.1333333333333333) internal successors, (141), 44 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:48:53,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:48:53,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:48:53,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:48:53,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:48:53,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:48:53,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:53,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:48:53,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:48:53,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:53,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:48:53,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:53,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:48:53,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:53,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:48:53,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:48:53,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:48:53,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:48:53,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:48:53,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:48:53,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-06-17 13:48:53,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:48:53,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-06-17 13:48:53,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:48:56,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:48:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:48:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:48:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:48:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:48:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:48:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:48:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:48:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:48:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:48:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:48:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:48:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:48:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:48:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:48:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:48:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:48:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:48:56,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:48:56,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:48:56,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:48:56,705 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-06-17 13:48:56,705 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:48:56,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:48:56,706 INFO L82 PathProgramCache]: Analyzing trace with hash 632961419, now seen corresponding path program 21 times [2021-06-17 13:48:56,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:48:56,706 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176279762] [2021-06-17 13:48:56,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:48:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:48:58,959 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 70 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:48:58,960 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:48:58,960 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176279762] [2021-06-17 13:48:58,960 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176279762] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:48:58,960 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830278178] [2021-06-17 13:48:58,960 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:48:59,003 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-06-17 13:48:59,003 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:48:59,005 WARN L261 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 94 conjunts are in the unsatisfiable core [2021-06-17 13:48:59,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:49:02,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:02,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:02,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,164 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:02,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:02,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:02,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:02,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,185 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:02,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:02,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:02,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:02,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:02,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 45 disjoint index pairs (out of 190 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 40 [2021-06-17 13:49:02,192 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:49:02,199 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:49:02,199 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 13:49:02,199 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:19 [2021-06-17 13:49:02,389 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:49:02,389 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830278178] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:49:02,389 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:49:02,389 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 48] total 91 [2021-06-17 13:49:02,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552193190] [2021-06-17 13:49:02,390 INFO L462 AbstractCegarLoop]: Interpolant automaton has 92 states [2021-06-17 13:49:02,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:49:02,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2021-06-17 13:49:02,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=938, Invalid=7434, Unknown=0, NotChecked=0, Total=8372 [2021-06-17 13:49:02,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:49:02,392 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:49:02,392 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 92 states, 92 states have (on average 1.5978260869565217) internal successors, (147), 91 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:49:02,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:49:02,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:49:02,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:49:02,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:49:02,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:49:02,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:49:02,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:49:02,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:49:02,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:49:02,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:49:02,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:49:02,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:49:02,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:49:02,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:49:02,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:49:02,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:49:02,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:49:02,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:49:02,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:49:02,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:49:02,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:49:02,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:49:02,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:49:02,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:49:10,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:49:10,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:49:10,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:49:10,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:49:10,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:49:10,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:49:10,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:49:10,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:49:10,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:49:10,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:49:10,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:49:10,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:49:10,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:49:10,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:49:10,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:49:10,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:49:10,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:49:10,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:49:10,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:49:10,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:49:10,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:49:10,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:49:10,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:49:10,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-06-17 13:49:10,898 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:49:10,899 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:49:10,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:49:10,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1228737608, now seen corresponding path program 22 times [2021-06-17 13:49:10,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:49:10,899 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749123689] [2021-06-17 13:49:10,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:49:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:49:11,144 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 157 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:49:11,145 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:49:11,145 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749123689] [2021-06-17 13:49:11,145 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749123689] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:49:11,145 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111514866] [2021-06-17 13:49:11,145 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:49:11,194 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 13:49:11,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:49:11,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-17 13:49:11,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:49:11,845 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 157 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:49:11,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111514866] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:49:11,845 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:49:11,845 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 48 [2021-06-17 13:49:11,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430668423] [2021-06-17 13:49:11,846 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-06-17 13:49:11,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:49:11,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-06-17 13:49:11,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=460, Invalid=1892, Unknown=0, NotChecked=0, Total=2352 [2021-06-17 13:49:11,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:49:11,847 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:49:11,847 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 3.122448979591837) internal successors, (153), 48 states have internal predecessors, (153), 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 13:49:11,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:49:11,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:49:11,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:49:11,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:49:11,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:49:11,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:49:11,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:49:11,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:49:11,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:49:11,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:49:11,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:49:11,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:49:11,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:49:11,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:49:11,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:49:11,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:49:11,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:49:11,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:49:11,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:49:11,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:49:11,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:49:11,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:49:11,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:49:11,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-06-17 13:49:11,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:49:15,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:49:15,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:49:15,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:49:15,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:49:15,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:49:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:49:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:49:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:49:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:49:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:49:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:49:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:49:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:49:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:49:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:49:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:49:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:49:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:49:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:49:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:49:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:49:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-17 13:49:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:49:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-17 13:49:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:49:15,800 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2021-06-17 13:49:15,800 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:49:15,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:49:15,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1821650543, now seen corresponding path program 23 times [2021-06-17 13:49:15,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:49:15,800 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017260785] [2021-06-17 13:49:15,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:49:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:49:18,464 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 92 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:49:18,464 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:49:18,464 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017260785] [2021-06-17 13:49:18,464 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017260785] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:49:18,465 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340458988] [2021-06-17 13:49:18,465 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:49:18,533 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-06-17 13:49:18,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:49:18,535 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 96 conjunts are in the unsatisfiable core [2021-06-17 13:49:18,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:49:22,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:22,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:22,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:22,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:22,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:22,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,388 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:22,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:22,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:22,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:22,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:22,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:22,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:22,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 55 disjoint index pairs (out of 231 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 43 [2021-06-17 13:49:22,411 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:49:22,416 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:49:22,417 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 13:49:22,417 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:135, output treesize:7 [2021-06-17 13:49:22,472 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:49:22,472 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340458988] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:49:22,472 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:49:22,472 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 47] total 94 [2021-06-17 13:49:22,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436897221] [2021-06-17 13:49:22,473 INFO L462 AbstractCegarLoop]: Interpolant automaton has 95 states [2021-06-17 13:49:22,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:49:22,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2021-06-17 13:49:22,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=754, Invalid=8176, Unknown=0, NotChecked=0, Total=8930 [2021-06-17 13:49:22,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:49:22,474 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:49:22,475 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 95 states, 95 states have (on average 1.6736842105263159) internal successors, (159), 94 states have internal predecessors, (159), 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 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:49:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:49:33,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:49:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:49:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:49:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:49:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:49:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:49:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:49:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:49:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:49:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:49:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:49:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:49:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:49:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:49:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:49:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:49:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:49:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:49:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:49:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:49:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:49:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-17 13:49:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:49:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-06-17 13:49:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:49:33,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-06-17 13:49:33,281 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:49:33,281 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:49:33,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:49:33,282 INFO L82 PathProgramCache]: Analyzing trace with hash -996400044, now seen corresponding path program 24 times [2021-06-17 13:49:33,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:49:33,282 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819080612] [2021-06-17 13:49:33,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:49:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:49:33,554 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 189 proven. 197 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:49:33,554 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:49:33,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819080612] [2021-06-17 13:49:33,554 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819080612] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:49:33,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744449621] [2021-06-17 13:49:33,554 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:49:33,595 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-06-17 13:49:33,595 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:49:33,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-17 13:49:33,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:49:34,175 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 189 proven. 197 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:49:34,176 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744449621] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:49:34,176 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:49:34,176 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2021-06-17 13:49:34,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632266949] [2021-06-17 13:49:34,176 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-06-17 13:49:34,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:49:34,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-06-17 13:49:34,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=537, Invalid=2219, Unknown=0, NotChecked=0, Total=2756 [2021-06-17 13:49:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:49:34,178 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:49:34,178 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.1132075471698113) internal successors, (165), 52 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:49:34,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:49:34,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:49:34,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:49:34,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:49:34,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:49:34,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:49:34,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:49:34,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:49:34,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:49:34,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:49:34,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:49:34,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:49:34,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:49:34,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:49:34,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:49:34,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:49:34,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:49:34,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:49:34,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:49:34,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:49:34,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:49:34,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-17 13:49:34,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:49:34,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-06-17 13:49:34,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:49:34,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-06-17 13:49:34,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:49:38,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:49:38,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:49:38,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:49:38,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:49:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:49:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:49:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:49:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:49:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:49:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:49:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:49:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:49:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:49:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:49:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:49:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:49:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:49:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:49:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:49:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:49:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:49:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-17 13:49:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:49:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-17 13:49:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:49:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-06-17 13:49:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2021-06-17 13:49:38,927 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2021-06-17 13:49:38,928 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:49:38,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:49:38,928 INFO L82 PathProgramCache]: Analyzing trace with hash 330185163, now seen corresponding path program 25 times [2021-06-17 13:49:38,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:49:38,928 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348518677] [2021-06-17 13:49:38,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:49:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:49:42,209 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 117 proven. 303 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:49:42,209 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:49:42,209 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348518677] [2021-06-17 13:49:42,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348518677] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:49:42,209 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60344411] [2021-06-17 13:49:42,209 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:49:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:49:42,250 WARN L261 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 104 conjunts are in the unsatisfiable core [2021-06-17 13:49:42,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:49:46,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:46,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:46,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:46,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:46,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:46,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:46,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:46,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:46,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:46,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:46,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:46,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:49:46,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:49:46,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 66 disjoint index pairs (out of 276 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 46 [2021-06-17 13:49:46,709 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:49:46,714 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:49:46,715 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 13:49:46,715 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:146, output treesize:7 [2021-06-17 13:49:46,756 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:49:46,756 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60344411] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:49:46,756 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:49:46,756 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 51] total 102 [2021-06-17 13:49:46,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737663097] [2021-06-17 13:49:46,757 INFO L462 AbstractCegarLoop]: Interpolant automaton has 103 states [2021-06-17 13:49:46,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:49:46,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2021-06-17 13:49:46,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=894, Invalid=9612, Unknown=0, NotChecked=0, Total=10506 [2021-06-17 13:49:46,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:49:46,760 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:49:46,760 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 103 states, 103 states have (on average 1.6601941747572815) internal successors, (171), 102 states have internal predecessors, (171), 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 13:49:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:49:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:49:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:49:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:49:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:49:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:49:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:49:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:49:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:49:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:49:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:49:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:49:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:49:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:49:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:49:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:49:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:49:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:49:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:49:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:49:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:49:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-17 13:49:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:49:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-17 13:49:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:49:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-06-17 13:49:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2021-06-17 13:49:46,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:50:05,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-06-17 13:50:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2021-06-17 13:50:05,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-06-17 13:50:06,008 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-06-17 13:50:06,008 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:50:06,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:50:06,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1804858504, now seen corresponding path program 26 times [2021-06-17 13:50:06,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:50:06,009 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137691134] [2021-06-17 13:50:06,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:50:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:50:06,342 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 224 proven. 233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:50:06,342 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:50:06,342 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137691134] [2021-06-17 13:50:06,342 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137691134] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:50:06,342 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752857570] [2021-06-17 13:50:06,343 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:50:06,379 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 13:50:06,379 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:50:06,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-17 13:50:06,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:50:06,988 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 224 proven. 233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:50:06,988 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752857570] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:50:06,988 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:50:06,988 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 56 [2021-06-17 13:50:06,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296257072] [2021-06-17 13:50:06,989 INFO L462 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-06-17 13:50:06,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:50:06,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-06-17 13:50:06,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=620, Invalid=2572, Unknown=0, NotChecked=0, Total=3192 [2021-06-17 13:50:06,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:50:06,990 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:50:06,990 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 3.1052631578947367) internal successors, (177), 56 states have internal predecessors, (177), 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 13:50:06,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:50:06,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:50:06,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:50:06,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:50:06,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:50:06,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:50:06,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:50:06,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:50:06,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:50:06,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:50:06,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:50:06,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:50:06,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:50:06,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:50:06,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:50:06,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:50:06,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:50:06,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:50:06,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:50:06,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:50:06,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:50:06,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-17 13:50:06,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:50:06,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-17 13:50:06,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:50:06,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-06-17 13:50:06,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2021-06-17 13:50:06,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-06-17 13:50:06,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:50:13,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-17 13:50:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2021-06-17 13:50:13,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-06-17 13:50:13,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2021-06-17 13:50:13,537 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-06-17 13:50:13,537 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:50:13,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:50:13,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1205857199, now seen corresponding path program 27 times [2021-06-17 13:50:13,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:50:13,538 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248033000] [2021-06-17 13:50:13,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:50:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:50:17,045 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 89 proven. 405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:50:17,046 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:50:17,046 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248033000] [2021-06-17 13:50:17,046 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248033000] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:50:17,046 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403669835] [2021-06-17 13:50:17,046 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:50:17,094 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-06-17 13:50:17,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:50:17,095 WARN L261 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 119 conjunts are in the unsatisfiable core [2021-06-17 13:50:17,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:50:22,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:22,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:22,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:22,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:22,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:22,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:22,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:22,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:22,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:22,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:22,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:22,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:22,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:22,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:22,512 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-06-17 13:50:22,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 78 disjoint index pairs (out of 325 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 49 [2021-06-17 13:50:22,514 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:50:22,521 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:50:22,521 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 13:50:22,521 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:163, output treesize:19 [2021-06-17 13:50:22,745 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 0 proven. 494 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:50:22,746 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403669835] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:50:22,746 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:50:22,746 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 60] total 114 [2021-06-17 13:50:22,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758721286] [2021-06-17 13:50:22,746 INFO L462 AbstractCegarLoop]: Interpolant automaton has 115 states [2021-06-17 13:50:22,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:50:22,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2021-06-17 13:50:22,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1428, Invalid=11682, Unknown=0, NotChecked=0, Total=13110 [2021-06-17 13:50:22,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:50:22,747 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:50:22,747 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 115 states, 115 states have (on average 1.5826086956521739) internal successors, (182), 114 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:50:22,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:50:22,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:50:22,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:50:22,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:50:22,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:50:22,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:50:22,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:50:22,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:50:22,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:50:22,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:50:22,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:50:22,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:50:22,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:50:22,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:50:22,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:50:22,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:50:22,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:50:22,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:50:22,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:50:22,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:50:22,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:50:22,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-17 13:50:22,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:50:22,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-17 13:50:22,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:50:22,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-17 13:50:22,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2021-06-17 13:50:22,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2021-06-17 13:50:22,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2021-06-17 13:50:22,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:50:37,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:50:37,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:50:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:50:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:50:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:50:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:50:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:50:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:50:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:50:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:50:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:50:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:50:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:50:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:50:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:50:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:50:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:50:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:50:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:50:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:50:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:50:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-17 13:50:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:50:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-17 13:50:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:50:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-17 13:50:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2021-06-17 13:50:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-06-17 13:50:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2021-06-17 13:50:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-06-17 13:50:37,635 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:50:37,636 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:50:37,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:50:37,636 INFO L82 PathProgramCache]: Analyzing trace with hash 2004377364, now seen corresponding path program 28 times [2021-06-17 13:50:37,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:50:37,636 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117806410] [2021-06-17 13:50:37,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:50:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:50:37,966 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 262 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:50:37,966 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:50:37,966 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117806410] [2021-06-17 13:50:37,966 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117806410] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:50:37,966 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234053016] [2021-06-17 13:50:37,966 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:50:38,002 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 13:50:38,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:50:38,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-17 13:50:38,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:50:38,727 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 262 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:50:38,727 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234053016] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:50:38,727 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:50:38,727 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 60 [2021-06-17 13:50:38,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433608275] [2021-06-17 13:50:38,728 INFO L462 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-06-17 13:50:38,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:50:38,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-06-17 13:50:38,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=709, Invalid=2951, Unknown=0, NotChecked=0, Total=3660 [2021-06-17 13:50:38,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:50:38,728 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:50:38,728 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 61 states, 61 states have (on average 3.098360655737705) internal successors, (189), 60 states have internal predecessors, (189), 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 13:50:38,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:50:38,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-06-17 13:50:38,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:50:45,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:50:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2021-06-17 13:50:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-06-17 13:50:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2021-06-17 13:50:45,600 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,30 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:50:45,601 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:50:45,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:50:45,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1509620235, now seen corresponding path program 29 times [2021-06-17 13:50:45,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:50:45,601 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229747691] [2021-06-17 13:50:45,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:50:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:50:49,672 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 88 proven. 486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:50:49,672 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:50:49,673 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229747691] [2021-06-17 13:50:49,673 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229747691] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:50:49,673 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804806440] [2021-06-17 13:50:49,673 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 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:50:49,725 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2021-06-17 13:50:49,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:50:49,726 WARN L261 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 120 conjunts are in the unsatisfiable core [2021-06-17 13:50:49,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:50:56,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:56,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:56,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:56,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:56,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:56,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:56,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:56,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:56,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,165 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:56,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:56,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:56,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:56,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:50:56,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:56,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:50:56,182 INFO L244 Elim1Store]: Index analysis took 111 ms [2021-06-17 13:50:56,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 91 disjoint index pairs (out of 378 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 52 [2021-06-17 13:50:56,185 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:50:56,190 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:50:56,191 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 13:50:56,191 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:168, output treesize:7 [2021-06-17 13:50:56,252 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:50:56,252 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804806440] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:50:56,252 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:50:56,252 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 59] total 118 [2021-06-17 13:50:56,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418694886] [2021-06-17 13:50:56,253 INFO L462 AbstractCegarLoop]: Interpolant automaton has 119 states [2021-06-17 13:50:56,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:50:56,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2021-06-17 13:50:56,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1078, Invalid=12964, Unknown=0, NotChecked=0, Total=14042 [2021-06-17 13:50:56,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:50:56,254 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:50:56,254 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 119 states, 119 states have (on average 1.638655462184874) internal successors, (195), 118 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:50:56,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:50:56,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:50:56,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:50:56,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:50:56,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:50:56,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:50:56,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:50:56,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:50:56,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:50:56,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:50:56,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:50:56,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:50:56,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:50:56,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:50:56,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:50:56,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:50:56,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:50:56,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:50:56,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:50:56,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:50:56,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:50:56,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-17 13:50:56,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:50:56,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-17 13:50:56,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:50:56,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-17 13:50:56,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2021-06-17 13:50:56,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:50:56,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2021-06-17 13:50:56,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-06-17 13:50:56,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2021-06-17 13:50:56,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:51:11,571 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 100 [2021-06-17 13:51:17,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:51:17,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-06-17 13:51:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2021-06-17 13:51:17,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2021-06-17 13:51:18,163 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:51:18,163 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:51:18,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:51:18,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1912890168, now seen corresponding path program 30 times [2021-06-17 13:51:18,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:51:18,164 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203128627] [2021-06-17 13:51:18,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:51:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:51:18,522 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 303 proven. 314 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:51:18,522 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:51:18,522 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203128627] [2021-06-17 13:51:18,522 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203128627] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:51:18,522 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872749172] [2021-06-17 13:51:18,522 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:51:18,575 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2021-06-17 13:51:18,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:51:18,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 33 conjunts are in the unsatisfiable core [2021-06-17 13:51:18,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:51:19,396 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 303 proven. 314 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:51:19,396 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872749172] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:51:19,396 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:51:19,396 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 64 [2021-06-17 13:51:19,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849630310] [2021-06-17 13:51:19,396 INFO L462 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-06-17 13:51:19,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:51:19,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-06-17 13:51:19,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=804, Invalid=3356, Unknown=0, NotChecked=0, Total=4160 [2021-06-17 13:51:19,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:51:19,397 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:51:19,397 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 65 states, 65 states have (on average 3.0923076923076924) internal successors, (201), 64 states have internal predecessors, (201), 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 13:51:19,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:51:19,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:51:19,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:51:19,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:51:19,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:51:19,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:51:19,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2021-06-17 13:51:19,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:51:27,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:51:27,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:51:27,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:51:27,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:51:27,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:51:27,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:51:27,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:51:27,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:51:27,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:51:27,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-17 13:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-17 13:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-17 13:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2021-06-17 13:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2021-06-17 13:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-17 13:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2021-06-17 13:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-06-17 13:51:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 245 states. [2021-06-17 13:51:28,148 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:51:28,148 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:51:28,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:51:28,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1959700719, now seen corresponding path program 31 times [2021-06-17 13:51:28,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:51:28,149 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460164237] [2021-06-17 13:51:28,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:51:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:51:32,577 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 210 proven. 450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:51:32,577 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:51:32,577 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460164237] [2021-06-17 13:51:32,577 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460164237] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:51:32,577 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249961681] [2021-06-17 13:51:32,577 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 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:51:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:51:32,656 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 128 conjunts are in the unsatisfiable core [2021-06-17 13:51:32,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:51:40,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:51:40,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:51:40,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,132 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:51:40,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:51:40,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:51:40,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:51:40,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:51:40,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:51:40,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:51:40,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:51:40,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:51:40,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:51:40,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,214 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:51:40,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:51:40,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:51:40,217 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:51:40,217 INFO L244 Elim1Store]: Index analysis took 147 ms [2021-06-17 13:51:40,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 105 disjoint index pairs (out of 435 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 55 [2021-06-17 13:51:40,219 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:51:40,224 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:51:40,224 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 13:51:40,224 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:179, output treesize:7 [2021-06-17 13:51:40,275 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:51:40,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249961681] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:51:40,275 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:51:40,275 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 63] total 126 [2021-06-17 13:51:40,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677944719] [2021-06-17 13:51:40,276 INFO L462 AbstractCegarLoop]: Interpolant automaton has 127 states [2021-06-17 13:51:40,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:51:40,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2021-06-17 13:51:40,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1368, Invalid=14634, Unknown=0, NotChecked=0, Total=16002 [2021-06-17 13:51:40,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:51:40,277 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:51:40,278 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 127 states, 127 states have (on average 1.6299212598425197) internal successors, (207), 126 states have internal predecessors, (207), 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 13:51:40,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:51:40,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:51:40,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:51:40,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:51:40,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:51:40,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:51:40,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:51:40,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:51:40,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:51:40,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:51:40,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:51:40,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:51:40,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:51:40,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:51:40,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:51:40,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:51:40,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:51:40,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:51:40,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:51:40,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:51:40,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:51:40,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-17 13:51:40,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:51:40,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-17 13:51:40,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:51:40,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-17 13:51:40,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2021-06-17 13:51:40,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:51:40,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2021-06-17 13:51:40,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-06-17 13:51:40,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2021-06-17 13:51:40,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2021-06-17 13:51:40,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 245 states. [2021-06-17 13:51:40,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:52:03,449 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 105 [2021-06-17 13:52:11,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:52:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:52:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:52:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:52:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:52:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:52:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:52:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:52:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:52:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:52:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:52:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:52:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:52:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:52:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:52:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:52:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:52:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:52:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:52:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:52:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:52:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-17 13:52:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:52:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-17 13:52:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:52:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-17 13:52:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2021-06-17 13:52:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:52:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2021-06-17 13:52:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-17 13:52:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2021-06-17 13:52:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-06-17 13:52:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 245 states. [2021-06-17 13:52:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2021-06-17 13:52:11,839 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-06-17 13:52:11,840 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:52:11,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:52:11,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1372690900, now seen corresponding path program 32 times [2021-06-17 13:52:11,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:52:11,840 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856674451] [2021-06-17 13:52:11,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:52:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:52:12,217 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 347 proven. 359 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:52:12,218 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:52:12,218 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856674451] [2021-06-17 13:52:12,218 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856674451] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:52:12,218 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216584547] [2021-06-17 13:52:12,218 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 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:52:12,261 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 13:52:12,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:52:12,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 35 conjunts are in the unsatisfiable core [2021-06-17 13:52:12,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:52:13,101 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 347 proven. 359 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:52:13,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216584547] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:52:13,101 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:52:13,101 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 68 [2021-06-17 13:52:13,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511214242] [2021-06-17 13:52:13,102 INFO L462 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-06-17 13:52:13,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:52:13,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-06-17 13:52:13,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=905, Invalid=3787, Unknown=0, NotChecked=0, Total=4692 [2021-06-17 13:52:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:52:13,103 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:52:13,103 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 69 states, 69 states have (on average 3.0869565217391304) internal successors, (213), 68 states have internal predecessors, (213), 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 13:52:13,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:52:13,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:52:13,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:52:13,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:52:13,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:52:13,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:52:13,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:52:13,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:52:13,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:52:13,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:52:13,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:52:13,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:52:13,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:52:13,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:52:13,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:52:13,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:52:13,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:52:13,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:52:13,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:52:13,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:52:13,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:52:13,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-06-17 13:52:13,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:52:13,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-17 13:52:13,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:52:13,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-06-17 13:52:13,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2021-06-17 13:52:13,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:52:13,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2021-06-17 13:52:13,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-06-17 13:52:13,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2021-06-17 13:52:13,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2021-06-17 13:52:13,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 245 states. [2021-06-17 13:52:13,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2021-06-17 13:52:13,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:52:23,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-06-17 13:52:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2021-06-17 13:52:23,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:52:23,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2021-06-17 13:52:23,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-17 13:52:23,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2021-06-17 13:52:23,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-17 13:52:23,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 245 states. [2021-06-17 13:52:23,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2021-06-17 13:52:23,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 277 states. [2021-06-17 13:52:23,814 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:52:23,814 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:52:23,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:52:23,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1940421195, now seen corresponding path program 33 times [2021-06-17 13:52:23,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:52:23,815 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272112960] [2021-06-17 13:52:23,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:52:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:52:28,827 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 179 proven. 573 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:52:28,827 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:52:28,827 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272112960] [2021-06-17 13:52:28,827 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272112960] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:52:28,827 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789797019] [2021-06-17 13:52:28,827 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 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:52:28,887 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2021-06-17 13:52:28,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:52:28,889 WARN L261 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 138 conjunts are in the unsatisfiable core [2021-06-17 13:52:28,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:52:44,661 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-06-17 13:52:45,893 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-06-17 13:52:58,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:52:58,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:52:58,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:52:58,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:52:58,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:52:58,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,956 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:52:58,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:52:58,977 INFO L244 Elim1Store]: Index analysis took 226 ms [2021-06-17 13:53:02,702 WARN L205 SmtUtils]: Spent 3.72 s on a formula simplification that was a NOOP. DAG size: 762 [2021-06-17 13:53:02,702 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:53:02,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 150 disjoint index pairs (out of 496 index pairs), introduced 26 new quantified variables, introduced 295 case distinctions, treesize of input 218 treesize of output 2072 [2021-06-17 13:53:04,125 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 2170 DAG size of output: 1449 [2021-06-17 13:53:05,662 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 2230 DAG size of output: 1509 [2021-06-17 13:53:49,952 WARN L205 SmtUtils]: Spent 43.01 s on a formula simplification. DAG size of input: 16393 DAG size of output: 11391 [2021-06-17 13:54:37,457 WARN L205 SmtUtils]: Spent 46.21 s on a formula simplification. DAG size of input: 16435 DAG size of output: 11433 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown