/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/prod-cons.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 13:31:55,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 13:31:55,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 13:31:55,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 13:31:55,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 13:31:55,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 13:31:55,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 13:31:55,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 13:31:55,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 13:31:55,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 13:31:55,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 13:31:55,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 13:31:55,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 13:31:55,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 13:31:55,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 13:31:55,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 13:31:55,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-17 13:31:55,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 13:31:55,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 13:31:55,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 13:31:55,284 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 13:31:55,320 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 13:31:55,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 13:31:55,321 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 13:31:55,321 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 13:31:55,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 13:31:55,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 13:31:55,323 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 13:31:55,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 13:31:55,324 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 13:31:55,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 13:31:55,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 13:31:55,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 13:31:55,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 13:31:55,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 13:31:55,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 13:31:55,325 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 13:31:55,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 13:31:55,326 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 13:31:55,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 13:31:55,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 13:31:55,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 13:31:55,326 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 13:31:55,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 13:31:55,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 13:31:55,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 13:31:55,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 13:31:55,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 13:31:55,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 13:31:55,327 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-17 13:31:55,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 13:31:55,327 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 13:31:55,328 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 13:31:55,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 13:31:55,328 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 13:31:55,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-17 13:31:55,328 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 13:31:55,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 13:31:55,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 13:31:55,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 13:31:55,660 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 13:31:55,661 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 13:31:55,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl [2021-06-17 13:31:55,662 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl' [2021-06-17 13:31:55,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 13:31:55,702 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 13:31:55,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 13:31:55,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 13:31:55,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 13:31:55,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:55" (1/1) ... [2021-06-17 13:31:55,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:55" (1/1) ... [2021-06-17 13:31:55,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 13:31:55,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 13:31:55,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 13:31:55,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 13:31:55,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:55" (1/1) ... [2021-06-17 13:31:55,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:55" (1/1) ... [2021-06-17 13:31:55,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:55" (1/1) ... [2021-06-17 13:31:55,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:55" (1/1) ... [2021-06-17 13:31:55,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:55" (1/1) ... [2021-06-17 13:31:55,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:55" (1/1) ... [2021-06-17 13:31:55,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:55" (1/1) ... [2021-06-17 13:31:55,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 13:31:55,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 13:31:55,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 13:31:55,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 13:31:55,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:55" (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 13:31:55,816 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 13:31:55,816 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 13:31:55,816 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 13:31:55,816 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 13:31:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 13:31:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 13:31:55,818 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 13:31:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 13:31:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 13:31:55,819 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-17 13:31:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-17 13:31:55,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-17 13:31:55,820 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 13:31:55,994 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 13:31:55,994 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-17 13:31:55,996 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 01:31:55 BoogieIcfgContainer [2021-06-17 13:31:55,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 13:31:55,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 13:31:55,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 13:31:56,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 13:31:56,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 01:31:55" (1/2) ... [2021-06-17 13:31:56,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5f15fc and model type prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 01:31:56, skipping insertion in model container [2021-06-17 13:31:56,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 01:31:55" (2/2) ... [2021-06-17 13:31:56,002 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons.wvr.bpl [2021-06-17 13:31:56,006 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 13:31:56,007 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 13:31:56,007 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 13:31:56,007 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 13:31:56,039 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-17 13:31:56,057 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 13:31:56,153 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 13:31:56,153 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 13:31:56,153 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 13:31:56,153 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 13:31:56,153 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 13:31:56,153 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 13:31:56,154 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 13:31:56,154 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 13:31:56,340 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:31:56,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:31:56,348 INFO L82 PathProgramCache]: Analyzing trace with hash 715993840, now seen corresponding path program 1 times [2021-06-17 13:31:56,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:31:56,356 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134085065] [2021-06-17 13:31:56,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:31:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:31:56,525 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 13:31:56,526 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:31:56,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134085065] [2021-06-17 13:31:56,528 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134085065] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:31:56,528 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 13:31:56,528 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-17 13:31:56,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346732896] [2021-06-17 13:31:56,532 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 13:31:56,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:31:56,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 13:31:56,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 13:31:56,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:56,549 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:31:56,551 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 13:31:56,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:56,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:31:56,595 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 13:31:56,595 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:31:56,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:31:56,598 INFO L82 PathProgramCache]: Analyzing trace with hash 782502641, now seen corresponding path program 1 times [2021-06-17 13:31:56,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:31:56,599 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231436646] [2021-06-17 13:31:56,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:31:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:31:56,653 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 13:31:56,653 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:31:56,653 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231436646] [2021-06-17 13:31:56,654 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231436646] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 13:31:56,654 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 13:31:56,654 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-17 13:31:56,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420371814] [2021-06-17 13:31:56,655 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-17 13:31:56,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:31:56,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-17 13:31:56,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-17 13:31:56,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:56,656 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:31:56,656 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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 13:31:56,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:31:56,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:56,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:31:56,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:31:56,773 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 13:31:56,773 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:31:56,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:31:56,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1397134288, now seen corresponding path program 1 times [2021-06-17 13:31:56,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:31:56,775 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936131200] [2021-06-17 13:31:56,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:31:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:31:56,907 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 13:31:56,908 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:31:56,908 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936131200] [2021-06-17 13:31:56,908 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936131200] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:31:56,908 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348299432] [2021-06-17 13:31:56,908 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 13:31:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:31:56,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-17 13:31:56,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:31:57,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-17 13:31:57,203 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:31:57,207 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:31:57,208 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 13:31:57,208 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:10 [2021-06-17 13:31:57,279 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 13:31:57,279 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348299432] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:31:57,279 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:31:57,280 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2021-06-17 13:31:57,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337996573] [2021-06-17 13:31:57,280 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-17 13:31:57,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:31:57,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-17 13:31:57,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2021-06-17 13:31:57,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:57,282 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:31:57,282 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:31:57,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:31:57,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:31:57,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:57,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:31:57,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:31:57,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:31:57,712 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:31:57,713 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:31:57,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:31:57,713 INFO L82 PathProgramCache]: Analyzing trace with hash -633322059, now seen corresponding path program 2 times [2021-06-17 13:31:57,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:31:57,714 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430813532] [2021-06-17 13:31:57,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:31:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:31:57,775 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 13:31:57,775 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:31:57,775 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430813532] [2021-06-17 13:31:57,776 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430813532] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:31:57,776 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929127554] [2021-06-17 13:31:57,776 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 13:31:57,817 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 13:31:57,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:31:57,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-17 13:31:57,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:31:57,864 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 13:31:57,865 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929127554] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:31:57,865 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:31:57,865 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 5 [2021-06-17 13:31:57,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535078422] [2021-06-17 13:31:57,865 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-17 13:31:57,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:31:57,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-17 13:31:57,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-17 13:31:57,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:57,866 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:31:57,866 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:31:57,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:31:57,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:31:57,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:31:57,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:57,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:31:57,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:31:57,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:31:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:31:58,121 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:31:58,121 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:31:58,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:31:58,122 INFO L82 PathProgramCache]: Analyzing trace with hash -831470861, now seen corresponding path program 3 times [2021-06-17 13:31:58,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:31:58,122 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240327179] [2021-06-17 13:31:58,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:31:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:31:58,325 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 13:31:58,325 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:31:58,325 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240327179] [2021-06-17 13:31:58,325 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240327179] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:31:58,326 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287080219] [2021-06-17 13:31:58,326 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 13:31:58,391 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-17 13:31:58,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:31:58,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-17 13:31:58,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:31:58,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:31:58,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:31:58,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:31:58,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-06-17 13:31:58,865 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:31:58,875 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:31:58,877 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 13:31:58,878 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:39, output treesize:10 [2021-06-17 13:31:58,954 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 13:31:58,954 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287080219] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:31:58,954 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:31:58,954 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2021-06-17 13:31:58,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745438007] [2021-06-17 13:31:58,955 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-17 13:31:58,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:31:58,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-17 13:31:58,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=468, Unknown=0, NotChecked=0, Total=552 [2021-06-17 13:31:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:58,957 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:31:58,957 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.2083333333333335) internal successors, (53), 24 states have internal predecessors, (53), 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 13:31:58,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:31:58,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:31:58,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:31:58,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:31:58,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:31:59,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:31:59,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:31:59,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:31:59,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:31:59,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:32:00,080 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:32:00,081 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:32:00,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:32:00,081 INFO L82 PathProgramCache]: Analyzing trace with hash 703325968, now seen corresponding path program 4 times [2021-06-17 13:32:00,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:32:00,082 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617841124] [2021-06-17 13:32:00,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:32:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:32:00,131 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:32:00,132 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:32:00,132 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617841124] [2021-06-17 13:32:00,132 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617841124] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:32:00,133 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025825189] [2021-06-17 13:32:00,133 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 13:32:00,167 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 13:32:00,168 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:32:00,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-17 13:32:00,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:32:00,223 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 13:32:00,223 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025825189] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:32:00,223 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:32:00,223 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-06-17 13:32:00,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647094450] [2021-06-17 13:32:00,224 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-17 13:32:00,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:32:00,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-17 13:32:00,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-06-17 13:32:00,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:32:00,225 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:32:00,225 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 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 13:32:00,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:32:00,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:32:00,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:32:00,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:32:00,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:32:00,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:32:00,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:32:00,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:32:00,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:32:00,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:32:00,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:32:00,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:32:00,505 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-17 13:32:00,505 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:32:00,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:32:00,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1959591374, now seen corresponding path program 5 times [2021-06-17 13:32:00,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:32:00,506 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941763691] [2021-06-17 13:32:00,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:32:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:32:00,845 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 13:32:00,846 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:32:00,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941763691] [2021-06-17 13:32:00,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941763691] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:32:00,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589921584] [2021-06-17 13:32:00,847 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 13:32:00,883 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-17 13:32:00,883 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:32:00,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-17 13:32:00,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:32:01,337 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-06-17 13:32:01,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 18 [2021-06-17 13:32:01,341 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:32:01,345 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:32:01,349 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 13:32:01,349 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:10 [2021-06-17 13:32:01,439 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 13:32:01,439 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589921584] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:32:01,439 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:32:01,440 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 32 [2021-06-17 13:32:01,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288441802] [2021-06-17 13:32:01,440 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-17 13:32:01,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:32:01,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-17 13:32:01,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=869, Unknown=0, NotChecked=0, Total=992 [2021-06-17 13:32:01,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:32:01,441 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:32:01,442 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.21875) internal successors, (71), 32 states have internal predecessors, (71), 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 13:32:01,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:32:01,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:32:01,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:32:01,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:32:01,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:32:01,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:32:01,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:32:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:32:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:32:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:32:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:32:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:32:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:32:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:32:02,984 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:32:02,985 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:32:02,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:32:02,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1328481707, now seen corresponding path program 6 times [2021-06-17 13:32:02,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:32:02,985 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111463617] [2021-06-17 13:32:02,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:32:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:32:03,036 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:32:03,037 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:32:03,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111463617] [2021-06-17 13:32:03,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111463617] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:32:03,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617284792] [2021-06-17 13:32:03,037 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 13:32:03,072 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-17 13:32:03,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:32:03,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-17 13:32:03,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:32:03,147 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 13:32:03,147 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617284792] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:32:03,147 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:32:03,147 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 7 [2021-06-17 13:32:03,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166269965] [2021-06-17 13:32:03,149 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 13:32:03,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:32:03,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 13:32:03,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-06-17 13:32:03,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:32:03,150 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:32:03,150 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 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 13:32:03,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:32:03,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:32:03,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:32:03,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:32:03,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:32:03,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:32:03,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:32:03,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:32:03,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:32:03,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:32:03,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:32:03,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:32:03,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:32:03,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:32:03,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:32:03,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:32:03,432 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-17 13:32:03,433 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:32:03,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:32:03,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1695970669, now seen corresponding path program 7 times [2021-06-17 13:32:03,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:32:03,434 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555293720] [2021-06-17 13:32:03,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:32:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:32:03,895 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 13:32:03,896 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:32:03,896 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555293720] [2021-06-17 13:32:03,896 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555293720] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:32:03,896 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998953229] [2021-06-17 13:32:03,896 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 13:32:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:32:03,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-17 13:32:03,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:32:04,600 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-06-17 13:32:04,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 22 [2021-06-17 13:32:04,602 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:32:04,607 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:32:04,607 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 13:32:04,608 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:53, output treesize:10 [2021-06-17 13:32:04,698 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 13:32:04,698 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998953229] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:32:04,699 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:32:04,699 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 40 [2021-06-17 13:32:04,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663078301] [2021-06-17 13:32:04,699 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-17 13:32:04,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:32:04,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-17 13:32:04,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1394, Unknown=0, NotChecked=0, Total=1560 [2021-06-17 13:32:04,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:32:04,701 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:32:04,701 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.925) internal successors, (77), 40 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:32:04,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:32:04,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:32:04,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:32:04,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:32:04,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:32:04,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:32:04,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:32:04,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:32:04,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:32:06,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:32:06,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:32:06,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:32:06,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:32:06,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:32:06,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:32:06,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:32:06,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:32:06,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:32:07,192 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-17 13:32:07,193 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:32:07,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:32:07,194 INFO L82 PathProgramCache]: Analyzing trace with hash -986547344, now seen corresponding path program 8 times [2021-06-17 13:32:07,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:32:07,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788843215] [2021-06-17 13:32:07,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:32:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:32:07,245 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 31 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:32:07,245 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:32:07,245 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788843215] [2021-06-17 13:32:07,245 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788843215] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:32:07,245 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067174179] [2021-06-17 13:32:07,245 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 13:32:07,282 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 13:32:07,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:32:07,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-17 13:32:07,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:32:07,374 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 31 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 13:32:07,374 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067174179] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:32:07,374 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:32:07,374 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2021-06-17 13:32:07,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800985083] [2021-06-17 13:32:07,374 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 13:32:07,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:32:07,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 13:32:07,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-06-17 13:32:07,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:32:07,375 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:32:07,375 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:32:07,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:32:07,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:32:07,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:32:07,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:32:07,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:32:07,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:32:07,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:32:07,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:32:07,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:32:07,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:32:07,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:32:07,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:32:07,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:32:07,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:32:07,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:32:07,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:32:07,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:32:07,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:32:07,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:32:07,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:32:07,660 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-17 13:32:07,660 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:32:07,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:32:07,661 INFO L82 PathProgramCache]: Analyzing trace with hash 241263918, now seen corresponding path program 9 times [2021-06-17 13:32:07,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:32:07,661 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813509284] [2021-06-17 13:32:07,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:32:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:32:08,209 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 13:32:08,209 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:32:08,210 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813509284] [2021-06-17 13:32:08,210 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813509284] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:32:08,210 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216301902] [2021-06-17 13:32:08,210 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 13:32:08,246 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-17 13:32:08,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:32:08,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 42 conjunts are in the unsatisfiable core [2021-06-17 13:32:08,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:32:09,257 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-06-17 13:32:09,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 26 [2021-06-17 13:32:09,260 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:32:09,264 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:32:09,265 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 13:32:09,265 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:65, output treesize:10 [2021-06-17 13:32:09,353 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 13:32:09,353 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216301902] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:32:09,353 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:32:09,353 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 48 [2021-06-17 13:32:09,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806078196] [2021-06-17 13:32:09,354 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-06-17 13:32:09,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:32:09,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-06-17 13:32:09,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=2044, Unknown=0, NotChecked=0, Total=2256 [2021-06-17 13:32:09,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:32:09,355 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:32:09,355 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 1.8541666666666667) internal successors, (89), 48 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:32:09,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:32:09,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:32:09,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:32:09,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:32:09,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:32:09,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:32:09,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:32:09,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:32:09,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:32:09,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:32:09,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:32:12,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:32:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:32:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:32:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:32:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:32:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:32:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:32:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:32:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:32:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:32:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:32:12,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:32:12,753 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:32:12,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:32:12,753 INFO L82 PathProgramCache]: Analyzing trace with hash -306522379, now seen corresponding path program 10 times [2021-06-17 13:32:12,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:32:12,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626932992] [2021-06-17 13:32:12,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:32:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:32:12,823 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 46 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:32:12,824 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:32:12,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626932992] [2021-06-17 13:32:12,824 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626932992] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:32:12,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317690943] [2021-06-17 13:32:12,824 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 13:32:12,867 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 13:32:12,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:32:12,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-17 13:32:12,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:32:12,954 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 46 proven. 39 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 13:32:12,954 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317690943] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:32:12,954 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:32:12,954 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 9 [2021-06-17 13:32:12,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986647357] [2021-06-17 13:32:12,955 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-17 13:32:12,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:32:12,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-17 13:32:12,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-06-17 13:32:12,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:32:12,955 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:32:12,955 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 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 13:32:12,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:32:12,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:32:12,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:32:12,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:32:12,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:32:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:32:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:32:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:32:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:32:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:32:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:32:12,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:32:13,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:32:13,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:32:13,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:32:13,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:32:13,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:32:13,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:32:13,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:32:13,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:32:13,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:32:13,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:32:13,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:32:13,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:32:13,244 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-06-17 13:32:13,245 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:32:13,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:32:13,245 INFO L82 PathProgramCache]: Analyzing trace with hash -348718541, now seen corresponding path program 11 times [2021-06-17 13:32:13,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:32:13,246 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660884789] [2021-06-17 13:32:13,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:32:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:32:13,870 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 13:32:13,871 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:32:13,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660884789] [2021-06-17 13:32:13,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660884789] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:32:13,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167043174] [2021-06-17 13:32:13,871 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 13:32:13,918 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-17 13:32:13,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:32:13,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 48 conjunts are in the unsatisfiable core [2021-06-17 13:32:13,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:33:05,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:33:05,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:33:05,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:33:05,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,168 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:33:05,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:33:05,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:33:05,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 15 disjoint index pairs (out of 55 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-06-17 13:33:05,179 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:33:05,194 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:33:05,197 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 13:33:05,197 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:94, output treesize:10 [2021-06-17 13:33:05,355 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 99 refuted. 3 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:33:05,355 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167043174] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:33:05,355 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:33:05,355 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 56 [2021-06-17 13:33:05,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939682995] [2021-06-17 13:33:05,356 INFO L462 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-06-17 13:33:05,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:33:05,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-06-17 13:33:05,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=246, Invalid=2815, Unknown=19, NotChecked=0, Total=3080 [2021-06-17 13:33:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:33:05,357 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:33:05,358 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 56 states, 56 states have (on average 1.8035714285714286) internal successors, (101), 56 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:33:05,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:33:05,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:33:05,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:33:05,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:33:05,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:33:05,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:33:05,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:33:05,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:33:05,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:33:05,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:33:05,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:33:05,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:33:05,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:33:43,122 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 69 [2021-06-17 13:34:00,744 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2021-06-17 13:35:07,219 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2021-06-17 13:35:44,170 WARN L205 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2021-06-17 13:36:30,799 WARN L205 SmtUtils]: Spent 8.27 s on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-06-17 13:37:18,014 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2021-06-17 13:38:19,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:38:19,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:38:19,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:38:19,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:38:19,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:38:19,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:38:19,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:38:19,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:38:19,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:38:19,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:38:19,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:38:19,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:38:19,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-17 13:38:19,273 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:38:19,274 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:38:19,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:38:19,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1467783216, now seen corresponding path program 12 times [2021-06-17 13:38:19,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:38:19,274 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723912324] [2021-06-17 13:38:19,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:38:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:38:19,344 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 64 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:38:19,344 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:38:19,345 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723912324] [2021-06-17 13:38:19,345 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723912324] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:38:19,345 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648163305] [2021-06-17 13:38:19,345 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 13:38:19,391 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-17 13:38:19,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:38:19,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-17 13:38:19,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:38:19,483 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 64 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 13:38:19,484 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648163305] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:38:19,484 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:38:19,484 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 10 [2021-06-17 13:38:19,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076875603] [2021-06-17 13:38:19,485 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-17 13:38:19,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:38:19,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-17 13:38:19,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-06-17 13:38:19,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:38:19,486 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:38:19,486 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 10 states have internal predecessors, (64), 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 13:38:19,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:38:19,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:38:19,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:38:19,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:38:19,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:38:19,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:38:19,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:38:19,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:38:19,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:38:19,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:38:19,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:38:19,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:38:19,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-17 13:38:19,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:38:19,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:38:19,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:38:19,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:38:19,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:38:19,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:38:19,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:38:19,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:38:19,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:38:19,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:38:19,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:38:19,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:38:19,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:38:19,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-17 13:38:19,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:38:19,800 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-06-17 13:38:19,801 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:38:19,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:38:19,801 INFO L82 PathProgramCache]: Analyzing trace with hash -488921970, now seen corresponding path program 13 times [2021-06-17 13:38:19,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:38:19,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254717019] [2021-06-17 13:38:19,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:38:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:38:20,629 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 13:38:20,629 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:38:20,629 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254717019] [2021-06-17 13:38:20,629 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254717019] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:38:20,629 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477093216] [2021-06-17 13:38:20,629 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 13:38:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:38:20,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 58 conjunts are in the unsatisfiable core [2021-06-17 13:38:20,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:38:22,431 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-06-17 13:38:22,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 34 [2021-06-17 13:38:22,434 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:38:22,439 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:38:22,440 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 13:38:22,440 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:89, output treesize:10 [2021-06-17 13:38:22,569 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 13:38:22,570 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477093216] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:38:22,570 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:38:22,570 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 64 [2021-06-17 13:38:22,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126852671] [2021-06-17 13:38:22,570 INFO L462 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-06-17 13:38:22,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:38:22,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-06-17 13:38:22,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=3719, Unknown=0, NotChecked=0, Total=4032 [2021-06-17 13:38:22,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:38:22,573 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:38:22,573 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 1.765625) internal successors, (113), 64 states have internal predecessors, (113), 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 13:38:22,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:38:22,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:38:22,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:38:22,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:38:22,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:38:22,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:38:22,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:38:22,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:38:22,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:38:22,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:38:22,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:38:22,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:38:22,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-17 13:38:22,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:38:22,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:38:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:38:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:38:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:38:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:38:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:38:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:38:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:38:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:38:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:38:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:38:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:38:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:38:28,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-17 13:38:28,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:38:28,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-17 13:38:28,663 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:38:28,664 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:38:28,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:38:28,664 INFO L82 PathProgramCache]: Analyzing trace with hash 735042453, now seen corresponding path program 14 times [2021-06-17 13:38:28,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:38:28,664 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456590627] [2021-06-17 13:38:28,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:38:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:38:28,739 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 85 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:38:28,739 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:38:28,739 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456590627] [2021-06-17 13:38:28,739 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456590627] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:38:28,740 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302835923] [2021-06-17 13:38:28,740 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 13:38:28,786 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 13:38:28,786 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:38:28,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-17 13:38:28,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:38:28,881 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 85 proven. 76 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 13:38:28,882 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302835923] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:38:28,882 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:38:28,882 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 11 [2021-06-17 13:38:28,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712979519] [2021-06-17 13:38:28,882 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-17 13:38:28,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:38:28,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-17 13:38:28,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-06-17 13:38:28,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:38:28,884 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:38:28,884 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 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 13:38:28,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:38:28,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:38:28,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:38:28,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:38:28,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:38:28,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:38:28,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:38:28,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:38:28,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:38:28,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:38:28,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:38:28,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:38:28,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-17 13:38:28,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:38:28,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-17 13:38:28,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:38:29,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:38:29,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:38:29,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:38:29,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:38:29,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:38:29,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:38:29,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:38:29,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:38:29,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:38:29,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:38:29,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:38:29,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:38:29,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-17 13:38:29,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:38:29,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-17 13:38:29,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:38:29,233 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:38:29,233 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:38:29,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:38:29,233 INFO L82 PathProgramCache]: Analyzing trace with hash 2095780307, now seen corresponding path program 15 times [2021-06-17 13:38:29,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:38:29,234 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050616348] [2021-06-17 13:38:29,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:38:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:38:30,211 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 13:38:30,211 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:38:30,211 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050616348] [2021-06-17 13:38:30,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050616348] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:38:30,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228910191] [2021-06-17 13:38:30,212 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 13:38:30,253 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-06-17 13:38:30,253 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:38:30,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 66 conjunts are in the unsatisfiable core [2021-06-17 13:38:30,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:38:32,527 INFO L354 Elim1Store]: treesize reduction 322, result has 0.3 percent of original size [2021-06-17 13:38:32,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 98 treesize of output 38 [2021-06-17 13:38:32,529 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:38:32,534 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:38:32,534 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 13:38:32,535 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:101, output treesize:10 [2021-06-17 13:38:32,670 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 13:38:32,670 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228910191] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:38:32,670 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:38:32,670 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38] total 72 [2021-06-17 13:38:32,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242515954] [2021-06-17 13:38:32,685 INFO L462 AbstractCegarLoop]: Interpolant automaton has 72 states [2021-06-17 13:38:32,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:38:32,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2021-06-17 13:38:32,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=4744, Unknown=0, NotChecked=0, Total=5112 [2021-06-17 13:38:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:38:32,687 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:38:32,688 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 72 states, 72 states have (on average 1.8194444444444444) internal successors, (131), 72 states have internal predecessors, (131), 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 13:38:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:38:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:38:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:38:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:38:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:38:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:38:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:38:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:38:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:38:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:38:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:38:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:38:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-17 13:38:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:38:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-17 13:38:32,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:38:32,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:38:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:38:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:38:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:38:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:38:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:38:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:38:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:38:39,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:38:39,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:38:39,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:38:39,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:38:39,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:38:39,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-17 13:38:39,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:38:39,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-17 13:38:39,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:38:39,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 13:38:40,152 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:38:40,153 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:38:40,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:38:40,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1426893872, now seen corresponding path program 16 times [2021-06-17 13:38:40,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:38:40,154 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148217523] [2021-06-17 13:38:40,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:38:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:38:40,261 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 109 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:38:40,261 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:38:40,261 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148217523] [2021-06-17 13:38:40,261 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148217523] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:38:40,261 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281058125] [2021-06-17 13:38:40,261 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 13:38:40,310 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 13:38:40,310 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:38:40,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-17 13:38:40,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:38:40,420 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 109 proven. 99 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 13:38:40,420 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281058125] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:38:40,420 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:38:40,420 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 12 [2021-06-17 13:38:40,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994698871] [2021-06-17 13:38:40,421 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-17 13:38:40,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:38:40,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-17 13:38:40,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-06-17 13:38:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:38:40,421 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:38:40,422 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 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 13:38:40,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:38:40,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:38:40,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:38:40,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:38:40,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:38:40,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:38:40,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:38:40,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:38:40,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:38:40,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:38:40,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:38:40,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:38:40,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-17 13:38:40,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:38:40,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-17 13:38:40,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:38:40,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 13:38:40,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:38:40,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:38:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:38:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:38:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:38:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:38:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:38:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:38:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:38:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:38:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:38:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:38:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:38:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-17 13:38:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:38:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-17 13:38:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:38:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 13:38:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:38:40,749 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-06-17 13:38:40,749 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:38:40,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:38:40,749 INFO L82 PathProgramCache]: Analyzing trace with hash -2044085266, now seen corresponding path program 17 times [2021-06-17 13:38:40,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:38:40,750 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125573922] [2021-06-17 13:38:40,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:38:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:38:42,029 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 13:38:42,029 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:38:42,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125573922] [2021-06-17 13:38:42,029 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125573922] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:38:42,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490366407] [2021-06-17 13:38:42,029 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 13:38:42,072 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-06-17 13:38:42,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:38:42,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 74 conjunts are in the unsatisfiable core [2021-06-17 13:38:42,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:38:48,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:38:48,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:38:48,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:38:48,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:38:48,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:38:48,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:38:48,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:38:48,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:38:48,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:38:48,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 36 disjoint index pairs (out of 136 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 42 [2021-06-17 13:38:48,973 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:38:48,983 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:38:48,984 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 13:38:48,984 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:124, output treesize:10 [2021-06-17 13:38:49,160 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 13:38:49,160 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490366407] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:38:49,160 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:38:49,160 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42] total 80 [2021-06-17 13:38:49,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770020362] [2021-06-17 13:38:49,160 INFO L462 AbstractCegarLoop]: Interpolant automaton has 80 states [2021-06-17 13:38:49,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:38:49,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2021-06-17 13:38:49,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=394, Invalid=5926, Unknown=0, NotChecked=0, Total=6320 [2021-06-17 13:38:49,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:38:49,162 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:38:49,163 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 80 states, 80 states have (on average 1.7125) internal successors, (137), 80 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 13:38:49,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:38:49,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:38:49,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:38:49,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:38:49,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:38:49,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:38:49,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:38:49,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:38:49,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:38:49,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:38:49,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:38:49,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:38:49,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-17 13:38:49,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:38:49,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-17 13:38:49,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:38:49,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 13:38:49,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:38:49,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:39:19,502 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 89 [2021-06-17 13:39:43,390 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2021-06-17 13:39:49,541 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2021-06-17 13:40:02,377 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2021-06-17 13:40:08,692 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2021-06-17 13:40:26,423 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2021-06-17 13:40:38,083 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-06-17 13:40:43,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:40:43,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:40:43,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:40:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:40:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:40:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:40:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:40:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:40:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:40:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:40:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:40:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:40:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-17 13:40:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:40:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-17 13:40:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:40:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 13:40:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:40:43,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:40:43,789 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-06-17 13:40:43,789 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:40:43,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:40:43,789 INFO L82 PathProgramCache]: Analyzing trace with hash 677513269, now seen corresponding path program 18 times [2021-06-17 13:40:43,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:40:43,790 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406143910] [2021-06-17 13:40:43,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:40:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:40:43,882 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 136 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:40:43,882 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:40:43,883 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406143910] [2021-06-17 13:40:43,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406143910] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:40:43,883 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285857499] [2021-06-17 13:40:43,883 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 13:40:43,948 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-06-17 13:40:43,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:40:43,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-17 13:40:43,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:40:44,081 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 136 proven. 125 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 13:40:44,081 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285857499] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:40:44,081 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:40:44,081 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 13 [2021-06-17 13:40:44,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897667535] [2021-06-17 13:40:44,081 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-17 13:40:44,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:40:44,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-17 13:40:44,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-06-17 13:40:44,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:40:44,082 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:40:44,082 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 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 13:40:44,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:40:44,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:40:44,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:40:44,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:40:44,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:40:44,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:40:44,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:40:44,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:40:44,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:40:44,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:40:44,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:40:44,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:40:44,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-17 13:40:44,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:40:44,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-17 13:40:44,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:40:44,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 13:40:44,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:40:44,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:40:44,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:40:44,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:40:44,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:40:44,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:40:44,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:40:44,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:40:44,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:40:44,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:40:44,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:40:44,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:40:44,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:40:44,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:40:44,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:40:44,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-17 13:40:44,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:40:44,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-17 13:40:44,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:40:44,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 13:40:44,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:40:44,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:40:44,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:40:44,447 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-06-17 13:40:44,447 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:40:44,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:40:44,447 INFO L82 PathProgramCache]: Analyzing trace with hash 269996403, now seen corresponding path program 19 times [2021-06-17 13:40:44,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:40:44,447 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759660748] [2021-06-17 13:40:44,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:40:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:40:45,957 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 13:40:45,958 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:40:45,958 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759660748] [2021-06-17 13:40:45,958 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759660748] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:40:45,958 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947447979] [2021-06-17 13:40:45,958 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 13:40:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:40:45,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 82 conjunts are in the unsatisfiable core [2021-06-17 13:40:45,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:40:49,695 INFO L354 Elim1Store]: treesize reduction 522, result has 0.2 percent of original size [2021-06-17 13:40:49,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 122 treesize of output 46 [2021-06-17 13:40:49,705 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:40:49,711 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:40:49,711 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 13:40:49,711 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:125, output treesize:10 [2021-06-17 13:40:49,930 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 13:40:49,930 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947447979] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:40:49,930 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:40:49,930 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 46] total 88 [2021-06-17 13:40:49,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454962015] [2021-06-17 13:40:49,931 INFO L462 AbstractCegarLoop]: Interpolant automaton has 88 states [2021-06-17 13:40:49,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:40:49,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-06-17 13:40:49,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=487, Invalid=7169, Unknown=0, NotChecked=0, Total=7656 [2021-06-17 13:40:49,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:40:49,933 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:40:49,933 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 88 states, 88 states have (on average 1.6931818181818181) internal successors, (149), 88 states have internal predecessors, (149), 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 13:40:49,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:40:49,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:40:49,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:40:49,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:40:49,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:40:49,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:40:49,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:40:49,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:40:49,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:40:49,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:40:49,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:40:49,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:40:49,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-17 13:40:49,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:40:49,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-17 13:40:49,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:40:49,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 13:40:49,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:40:49,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:40:49,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:40:49,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:41:01,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:41:01,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:41:01,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:41:01,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:41:01,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:41:01,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:41:01,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:41:01,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:41:01,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:41:01,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:41:01,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:41:01,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:41:01,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-17 13:41:01,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:41:01,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-17 13:41:01,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:41:01,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 13:41:01,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:41:01,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:41:01,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:41:01,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-06-17 13:41:01,800 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-06-17 13:41:01,800 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:41:01,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:41:01,800 INFO L82 PathProgramCache]: Analyzing trace with hash 964446352, now seen corresponding path program 20 times [2021-06-17 13:41:01,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:41:01,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984852802] [2021-06-17 13:41:01,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:41:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:41:01,943 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 166 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:41:01,944 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:41:01,944 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984852802] [2021-06-17 13:41:01,944 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984852802] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:41:01,944 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705222713] [2021-06-17 13:41:01,944 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 13:41:01,995 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 13:41:01,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:41:01,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-17 13:41:01,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:41:02,119 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 166 proven. 154 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 13:41:02,120 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705222713] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:41:02,120 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:41:02,120 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 14 [2021-06-17 13:41:02,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081544581] [2021-06-17 13:41:02,120 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-17 13:41:02,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:41:02,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-17 13:41:02,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2021-06-17 13:41:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:41:02,120 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:41:02,121 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 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 13:41:02,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:41:02,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:41:02,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:41:02,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:41:02,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:41:02,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:41:02,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:41:02,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:41:02,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:41:02,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:41:02,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:41:02,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:41:02,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-17 13:41:02,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:41:02,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-17 13:41:02,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:41:02,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 13:41:02,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:41:02,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:41:02,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:41:02,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-06-17 13:41:02,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:41:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:41:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:41:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:41:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:41:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:41:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:41:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:41:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:41:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:41:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:41:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:41:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:41:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-17 13:41:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:41:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-17 13:41:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:41:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 13:41:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:41:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:41:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:41:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-06-17 13:41:02,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 13:41:02,464 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:41:02,465 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:41:02,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:41:02,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1505340238, now seen corresponding path program 21 times [2021-06-17 13:41:02,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:41:02,465 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950864464] [2021-06-17 13:41:02,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:41:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:41:04,281 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 13:41:04,281 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:41:04,281 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950864464] [2021-06-17 13:41:04,281 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950864464] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:41:04,281 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918895777] [2021-06-17 13:41:04,281 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 13:41:04,329 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-06-17 13:41:04,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:41:04,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 90 conjunts are in the unsatisfiable core [2021-06-17 13:41:04,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:41:08,923 INFO L354 Elim1Store]: treesize reduction 640, result has 0.2 percent of original size [2021-06-17 13:41:08,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 134 treesize of output 50 [2021-06-17 13:41:08,928 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:41:08,933 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:41:08,933 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 13:41:08,933 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:137, output treesize:10 [2021-06-17 13:41:09,136 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 13:41:09,137 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918895777] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:41:09,137 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:41:09,137 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 50] total 96 [2021-06-17 13:41:09,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400704888] [2021-06-17 13:41:09,137 INFO L462 AbstractCegarLoop]: Interpolant automaton has 96 states [2021-06-17 13:41:09,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:41:09,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2021-06-17 13:41:09,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=8569, Unknown=0, NotChecked=0, Total=9120 [2021-06-17 13:41:09,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:41:09,140 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:41:09,140 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 96 states, 96 states have (on average 1.6770833333333333) internal successors, (161), 96 states have internal predecessors, (161), 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 13:41:09,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:41:09,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:41:09,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:41:09,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:41:09,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:41:09,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:41:09,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:41:09,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:41:09,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:41:09,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:41:09,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:41:09,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:41:09,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-17 13:41:09,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:41:09,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-17 13:41:09,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:41:09,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 13:41:09,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:41:09,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:41:09,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:41:09,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-06-17 13:41:09,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 13:41:09,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:41:24,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:41:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:41:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:41:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:41:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:41:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:41:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:41:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:41:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:41:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:41:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:41:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:41:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-17 13:41:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:41:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-17 13:41:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:41:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 13:41:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:41:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:41:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:41:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-06-17 13:41:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 13:41:24,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-17 13:41:24,362 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 13:41:24,362 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:41:24,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:41:24,363 INFO L82 PathProgramCache]: Analyzing trace with hash -482124587, now seen corresponding path program 22 times [2021-06-17 13:41:24,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:41:24,363 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340904182] [2021-06-17 13:41:24,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:41:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:41:24,482 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 199 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 13:41:24,482 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:41:24,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340904182] [2021-06-17 13:41:24,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340904182] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:41:24,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448207810] [2021-06-17 13:41:24,482 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 13:41:24,538 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 13:41:24,538 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:41:24,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-17 13:41:24,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:41:24,673 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 199 proven. 186 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 13:41:24,674 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448207810] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:41:24,674 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:41:24,674 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 15 [2021-06-17 13:41:24,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632280128] [2021-06-17 13:41:24,674 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-17 13:41:24,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:41:24,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-17 13:41:24,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2021-06-17 13:41:24,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:41:24,675 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:41:24,675 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 6.266666666666667) internal successors, (94), 15 states have internal predecessors, (94), 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 13:41:24,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:41:24,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:41:24,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:41:24,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:41:24,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:41:24,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:41:24,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:41:24,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:41:24,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:41:24,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:41:24,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:41:24,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:41:24,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-17 13:41:24,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:41:24,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-17 13:41:24,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:41:24,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 13:41:24,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:41:24,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:41:24,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:41:24,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-06-17 13:41:24,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 13:41:24,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-06-17 13:41:24,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:41:24,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:41:24,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:41:24,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:41:24,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:41:24,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:41:24,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:41:24,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:41:24,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:41:24,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:41:24,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:41:24,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:41:24,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:41:24,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-17 13:41:24,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:41:24,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-06-17 13:41:24,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:41:24,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-17 13:41:24,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:41:24,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:41:24,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:41:24,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-06-17 13:41:24,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 13:41:24,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-17 13:41:24,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 13:41:25,100 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-06-17 13:41:25,101 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 13:41:25,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 13:41:25,101 INFO L82 PathProgramCache]: Analyzing trace with hash -2024851181, now seen corresponding path program 23 times [2021-06-17 13:41:25,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 13:41:25,101 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758125266] [2021-06-17 13:41:25,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 13:41:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 13:41:27,314 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 13:41:27,314 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 13:41:27,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758125266] [2021-06-17 13:41:27,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758125266] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:41:27,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509704699] [2021-06-17 13:41:27,314 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 13:41:27,364 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2021-06-17 13:41:27,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 13:41:27,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 98 conjunts are in the unsatisfiable core [2021-06-17 13:41:27,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 13:41:51,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,883 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:41:51,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:41:51,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,912 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:41:51,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:41:51,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:41:51,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:41:51,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:41:51,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:41:51,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:41:51,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,988 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:41:51,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 13:41:51,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 13:41:51,991 INFO L244 Elim1Store]: Index analysis took 122 ms [2021-06-17 13:41:51,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 66 disjoint index pairs (out of 253 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 54 [2021-06-17 13:41:51,995 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 13:41:52,004 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 13:41:52,006 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 13:41:52,006 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:160, output treesize:10 [2021-06-17 13:41:52,254 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 13:41:52,254 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509704699] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 13:41:52,254 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 13:41:52,254 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 54] total 104 [2021-06-17 13:41:52,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297654567] [2021-06-17 13:41:52,255 INFO L462 AbstractCegarLoop]: Interpolant automaton has 104 states [2021-06-17 13:41:52,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 13:41:52,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2021-06-17 13:41:52,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=571, Invalid=10141, Unknown=0, NotChecked=0, Total=10712 [2021-06-17 13:41:52,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:41:52,258 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 13:41:52,258 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 104 states, 104 states have (on average 1.6634615384615385) internal successors, (173), 104 states have internal predecessors, (173), 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 13:41:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 13:41:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:41:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:41:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 13:41:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 13:41:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 13:41:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 13:41:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 13:41:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-17 13:41:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 13:41:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-17 13:41:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-17 13:41:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-17 13:41:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 13:41:52,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-06-17 13:41:52,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 13:41:52,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-17 13:41:52,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 13:41:52,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-06-17 13:41:52,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 13:41:52,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-06-17 13:41:52,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 13:41:52,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-06-17 13:41:52,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 13:41:52,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 13:43:39,802 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 113 [2021-06-17 13:43:46,852 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 112 [2021-06-17 13:44:23,332 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 118 [2021-06-17 13:44:56,721 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 116 [2021-06-17 13:45:26,798 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 114 [2021-06-17 13:46:03,193 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 113 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown