/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-bad/ring-nondet.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 21:27:54,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 21:27:54,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 21:27:54,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 21:27:54,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 21:27:54,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 21:27:54,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 21:27:54,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 21:27:54,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 21:27:54,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 21:27:54,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 21:27:54,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 21:27:54,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 21:27:54,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 21:27:54,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 21:27:54,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 21:27:54,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 21:27:54,592 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 [2021-07-14 21:27:54,616 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 21:27:54,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 21:27:54,616 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 21:27:54,616 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 21:27:54,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 21:27:54,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 21:27:54,617 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 21:27:54,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 21:27:54,618 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 21:27:54,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 21:27:54,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 21:27:54,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 21:27:54,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 21:27:54,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 21:27:54,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 21:27:54,619 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 21:27:54,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 21:27:54,619 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 21:27:54,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 21:27:54,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 21:27:54,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 21:27:54,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 21:27:54,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 21:27:54,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 21:27:54,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 21:27:54,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 21:27:54,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 21:27:54,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 21:27:54,621 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 21:27:54,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 21:27:54,621 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 21:27:54,621 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 21:27:54,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 21:27:54,621 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 21:27:54,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 21:27:54,622 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 21:27:54,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 21:27:54,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 21:27:54,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 21:27:54,861 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 21:27:54,863 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 21:27:54,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl [2021-07-14 21:27:54,864 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl' [2021-07-14 21:27:54,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 21:27:54,883 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 21:27:54,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 21:27:54,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 21:27:54,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 21:27:54,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:27:54" (1/1) ... [2021-07-14 21:27:54,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:27:54" (1/1) ... [2021-07-14 21:27:54,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 21:27:54,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 21:27:54,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 21:27:54,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 21:27:54,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:27:54" (1/1) ... [2021-07-14 21:27:54,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:27:54" (1/1) ... [2021-07-14 21:27:54,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:27:54" (1/1) ... [2021-07-14 21:27:54,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:27:54" (1/1) ... [2021-07-14 21:27:54,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:27:54" (1/1) ... [2021-07-14 21:27:54,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:27:54" (1/1) ... [2021-07-14 21:27:54,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:27:54" (1/1) ... [2021-07-14 21:27:54,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 21:27:54,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 21:27:54,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 21:27:54,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 21:27:54,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:27:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 21:27:54,978 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 21:27:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 21:27:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 21:27:54,978 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 21:27:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 21:27:54,979 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 21:27:54,979 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 21:27:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 21:27:54,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 21:27:54,979 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 21:27:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 21:27:54,980 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 21:27:54,981 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 21:27:55,181 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 21:27:55,181 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 21:27:55,183 INFO L202 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 09:27:55 BoogieIcfgContainer [2021-07-14 21:27:55,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 21:27:55,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 21:27:55,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 21:27:55,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 21:27:55,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 09:27:54" (1/2) ... [2021-07-14 21:27:55,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4401165f and model type ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 09:27:55, skipping insertion in model container [2021-07-14 21:27:55,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 09:27:55" (2/2) ... [2021-07-14 21:27:55,188 INFO L111 eAbstractionObserver]: Analyzing ICFG ring-nondet.wvr.bpl [2021-07-14 21:27:55,191 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 21:27:55,191 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 21:27:55,191 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 21:27:55,192 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 21:27:55,217 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 21:27:55,233 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 21:27:55,295 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 21:27:55,295 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 21:27:55,295 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 21:27:55,295 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 21:27:55,296 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 21:27:55,296 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 21:27:55,296 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 21:27:55,296 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 21:27:55,374 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:27:55,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:27:55,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1813141592, now seen corresponding path program 1 times [2021-07-14 21:27:55,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:27:55,390 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151406404] [2021-07-14 21:27:55,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:27:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:27:55,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:27:55,480 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:27:55,480 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151406404] [2021-07-14 21:27:55,481 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151406404] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:27:55,481 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 21:27:55,481 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 21:27:55,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037130047] [2021-07-14 21:27:55,484 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 21:27:55,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:27:55,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 21:27:55,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 21:27:55,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:27:55,493 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:27:55,494 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:27:55,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:27:55,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:55,527 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 21:27:55,527 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:27:55,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:27:55,528 INFO L82 PathProgramCache]: Analyzing trace with hash 225714882, now seen corresponding path program 1 times [2021-07-14 21:27:55,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:27:55,528 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353393275] [2021-07-14 21:27:55,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:27:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:27:55,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:27:55,555 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:27:55,556 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353393275] [2021-07-14 21:27:55,556 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353393275] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:27:55,556 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 21:27:55,556 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 21:27:55,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192753175] [2021-07-14 21:27:55,558 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 21:27:55,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:27:55,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 21:27:55,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 21:27:55,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:27:55,559 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:27:55,559 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:27:55,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:55,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:27:55,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:55,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:55,601 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 21:27:55,602 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:27:55,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:27:55,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1492914247, now seen corresponding path program 1 times [2021-07-14 21:27:55,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:27:55,602 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632011041] [2021-07-14 21:27:55,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:27:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:27:55,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 21:27:55,639 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:27:55,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632011041] [2021-07-14 21:27:55,639 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632011041] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:27:55,639 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 21:27:55,639 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 21:27:55,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421787009] [2021-07-14 21:27:55,640 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 21:27:55,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:27:55,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 21:27:55,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 21:27:55,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:27:55,641 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:27:55,641 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:27:55,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:55,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:55,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:27:55,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:55,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:55,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:55,684 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 21:27:55,684 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:27:55,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:27:55,685 INFO L82 PathProgramCache]: Analyzing trace with hash -584057513, now seen corresponding path program 1 times [2021-07-14 21:27:55,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:27:55,685 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172224798] [2021-07-14 21:27:55,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:27:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:27:55,737 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 21:27:55,737 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:27:55,738 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172224798] [2021-07-14 21:27:55,738 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172224798] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:27:55,738 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723745422] [2021-07-14 21:27:55,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:27:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:27:55,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 21:27:55,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:27:55,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 21:27:55,923 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1723745422] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:27:55,923 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:27:55,923 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-14 21:27:55,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367047709] [2021-07-14 21:27:55,923 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 21:27:55,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:27:55,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 21:27:55,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-14 21:27:55,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:27:55,924 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:27:55,924 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:27:55,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:55,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:55,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:55,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:27:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:55,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:55,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:55,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:27:56,212 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:27:56,213 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:27:56,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:27:56,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1543144943, now seen corresponding path program 2 times [2021-07-14 21:27:56,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:27:56,214 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734096887] [2021-07-14 21:27:56,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:27:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:27:56,276 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:27:56,277 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:27:56,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734096887] [2021-07-14 21:27:56,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734096887] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:27:56,278 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288218813] [2021-07-14 21:27:56,279 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:27:56,335 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 21:27:56,335 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:27:56,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 21:27:56,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:27:56,546 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 7 treesize of output 3 [2021-07-14 21:27:56,548 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:27:56,556 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:27:56,558 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 21:27:56,558 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2021-07-14 21:27:56,610 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:27:56,610 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288218813] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:27:56,610 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:27:56,610 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-07-14 21:27:56,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060470491] [2021-07-14 21:27:56,611 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 21:27:56,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:27:56,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 21:27:56,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-07-14 21:27:56,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:27:56,613 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:27:56,614 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 10 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:27:56,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:56,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:56,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:56,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:27:56,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:27:57,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:57,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:57,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:57,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:27:57,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:27:57,256 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:27:57,257 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:27:57,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:27:57,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1126913606, now seen corresponding path program 3 times [2021-07-14 21:27:57,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:27:57,258 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462060208] [2021-07-14 21:27:57,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:27:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:27:57,362 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-14 21:27:57,362 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:27:57,363 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462060208] [2021-07-14 21:27:57,363 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462060208] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:27:57,363 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750449747] [2021-07-14 21:27:57,363 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:27:57,411 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 21:27:57,411 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:27:57,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 21:27:57,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:27:57,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-07-14 21:27:57,480 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:27:57,485 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:27:57,485 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:27:57,485 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:7 [2021-07-14 21:27:57,525 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 [2021-07-14 21:27:57,527 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:27:57,528 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:27:57,529 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:27:57,529 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 21:27:57,572 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-14 21:27:57,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750449747] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:27:57,572 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:27:57,572 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-07-14 21:27:57,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018752320] [2021-07-14 21:27:57,573 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 21:27:57,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:27:57,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 21:27:57,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-07-14 21:27:57,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:27:57,578 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:27:57,579 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 11 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:27:57,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:57,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:57,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:57,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:27:57,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:27:57,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:27:57,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:57,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:57,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:57,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:27:57,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:27:57,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:27:58,005 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:27:58,006 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:27:58,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:27:58,006 INFO L82 PathProgramCache]: Analyzing trace with hash -108918542, now seen corresponding path program 4 times [2021-07-14 21:27:58,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:27:58,006 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221421103] [2021-07-14 21:27:58,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:27:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:27:58,062 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-14 21:27:58,063 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:27:58,063 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221421103] [2021-07-14 21:27:58,063 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221421103] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:27:58,063 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214304340] [2021-07-14 21:27:58,063 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:27:58,114 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 21:27:58,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:27:58,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 21:27:58,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:27:58,170 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-07-14 21:27:58,171 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214304340] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 21:27:58,171 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 21:27:58,171 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2021-07-14 21:27:58,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783102734] [2021-07-14 21:27:58,171 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 21:27:58,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:27:58,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 21:27:58,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-14 21:27:58,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:27:58,176 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:27:58,176 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:27:58,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:58,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:58,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:58,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:27:58,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:27:58,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:27:58,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:27:58,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:58,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:58,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:58,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:27:58,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:27:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:27:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:27:58,442 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:27:58,442 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:27:58,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:27:58,443 INFO L82 PathProgramCache]: Analyzing trace with hash -484866702, now seen corresponding path program 5 times [2021-07-14 21:27:58,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:27:58,443 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919945105] [2021-07-14 21:27:58,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:27:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:27:58,537 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-14 21:27:58,538 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:27:58,538 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919945105] [2021-07-14 21:27:58,538 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919945105] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:27:58,538 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074788910] [2021-07-14 21:27:58,538 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:27:58,609 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 21:27:58,610 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:27:58,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 21:27:58,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:27:58,739 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 7 treesize of output 3 [2021-07-14 21:27:58,741 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:27:58,748 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:27:58,748 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 21:27:58,749 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2021-07-14 21:27:58,790 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 21:27:58,791 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074788910] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:27:58,791 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:27:58,791 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12 [2021-07-14 21:27:58,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827234226] [2021-07-14 21:27:58,791 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 21:27:58,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:27:58,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 21:27:58,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-07-14 21:27:58,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:27:58,792 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:27:58,792 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 12 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:27:58,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:58,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:58,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:58,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:27:58,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:27:58,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:27:58,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:27:58,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:27:59,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:59,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:59,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:59,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:27:59,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:27:59,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:27:59,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:27:59,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:27:59,373 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:27:59,373 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:27:59,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:27:59,373 INFO L82 PathProgramCache]: Analyzing trace with hash 457233100, now seen corresponding path program 6 times [2021-07-14 21:27:59,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:27:59,374 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686765751] [2021-07-14 21:27:59,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:27:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:27:59,580 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-07-14 21:27:59,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:27:59,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686765751] [2021-07-14 21:27:59,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686765751] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:27:59,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672054178] [2021-07-14 21:27:59,580 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:27:59,624 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-14 21:27:59,624 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:27:59,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 21:27:59,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:27:59,749 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 21:27:59,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 10 [2021-07-14 21:27:59,750 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:27:59,751 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:27:59,751 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:27:59,751 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:3 [2021-07-14 21:27:59,785 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-07-14 21:27:59,785 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672054178] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:27:59,785 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:27:59,785 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7] total 18 [2021-07-14 21:27:59,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792458582] [2021-07-14 21:27:59,786 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 21:27:59,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:27:59,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 21:27:59,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2021-07-14 21:27:59,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:27:59,786 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:27:59,787 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 4.421052631578948) internal successors, (84), 18 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:27:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:27:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:27:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:27:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:27:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:27:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:27:59,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:00,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:00,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:00,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:00,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:00,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:00,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:00,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:00,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:00,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:28:01,068 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:28:01,069 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:28:01,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:28:01,069 INFO L82 PathProgramCache]: Analyzing trace with hash -494084761, now seen corresponding path program 7 times [2021-07-14 21:28:01,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:28:01,070 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691701134] [2021-07-14 21:28:01,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:28:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:28:01,343 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-07-14 21:28:01,344 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:28:01,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691701134] [2021-07-14 21:28:01,344 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691701134] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:01,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548101555] [2021-07-14 21:28:01,344 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:28:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:28:01,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 21:28:01,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:28:01,551 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 21:28:01,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 10 [2021-07-14 21:28:01,552 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:28:01,555 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:28:01,555 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:28:01,555 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:7 [2021-07-14 21:28:01,596 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 [2021-07-14 21:28:01,598 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:28:01,599 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:28:01,599 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:28:01,600 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 21:28:01,642 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 12 proven. 59 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-07-14 21:28:01,642 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548101555] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:01,642 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:28:01,642 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10] total 24 [2021-07-14 21:28:01,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410159668] [2021-07-14 21:28:01,642 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 21:28:01,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:28:01,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 21:28:01,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2021-07-14 21:28:01,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:01,643 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:28:01,643 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 3.64) internal successors, (91), 24 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:28:01,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:01,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:01,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:01,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:01,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:01,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:01,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:01,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:01,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:28:01,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:03,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:03,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:03,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:03,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:03,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:03,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:03,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:03,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:03,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:28:03,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:28:03,423 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-14 21:28:03,423 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:28:03,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:28:03,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1578624699, now seen corresponding path program 8 times [2021-07-14 21:28:03,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:28:03,424 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562904723] [2021-07-14 21:28:03,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:28:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:28:03,802 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-07-14 21:28:03,802 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:28:03,802 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562904723] [2021-07-14 21:28:03,802 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562904723] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:03,802 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224623493] [2021-07-14 21:28:03,803 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:28:03,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 21:28:03,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:28:03,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 21:28:03,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:28:04,022 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-07-14 21:28:04,023 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 25 treesize of output 13 [2021-07-14 21:28:04,025 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:28:04,025 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:28:04,026 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:28:04,026 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:3 [2021-07-14 21:28:04,067 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-14 21:28:04,067 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224623493] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:04,067 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:28:04,067 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9] total 22 [2021-07-14 21:28:04,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491051019] [2021-07-14 21:28:04,068 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 21:28:04,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:28:04,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 21:28:04,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2021-07-14 21:28:04,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:04,068 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:28:04,069 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 4.391304347826087) internal successors, (101), 22 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) [2021-07-14 21:28:04,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:04,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:04,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:04,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:04,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:04,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:04,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:04,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:04,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 21:28:04,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:28:04,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:07,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:07,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:07,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:07,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:07,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:07,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:07,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:07,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:07,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:28:07,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:28:07,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-14 21:28:07,508 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-14 21:28:07,509 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:28:07,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:28:07,509 INFO L82 PathProgramCache]: Analyzing trace with hash -996042998, now seen corresponding path program 9 times [2021-07-14 21:28:07,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:28:07,509 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260348029] [2021-07-14 21:28:07,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:28:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:28:07,677 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-07-14 21:28:07,677 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:28:07,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260348029] [2021-07-14 21:28:07,678 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260348029] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:07,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315751452] [2021-07-14 21:28:07,678 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:28:07,734 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-07-14 21:28:07,734 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:28:07,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 21:28:07,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:28:07,997 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-07-14 21:28:07,997 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 25 treesize of output 13 [2021-07-14 21:28:07,999 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:28:08,002 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:28:08,002 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:28:08,002 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:7 [2021-07-14 21:28:08,040 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 17 treesize of output 9 [2021-07-14 21:28:08,041 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:28:08,043 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:28:08,044 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:28:08,044 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:9 [2021-07-14 21:28:08,098 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 20 proven. 132 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-07-14 21:28:08,098 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315751452] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:08,098 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:28:08,098 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 24 [2021-07-14 21:28:08,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330016950] [2021-07-14 21:28:08,099 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 21:28:08,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:28:08,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 21:28:08,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2021-07-14 21:28:08,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:08,099 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:28:08,099 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 4.84) internal successors, (121), 24 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:28:08,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:08,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:08,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:08,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:08,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:08,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:08,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:08,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:08,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:28:08,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:28:08,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-14 21:28:08,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:10,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:10,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:10,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:10,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:10,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:10,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:10,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:10,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:10,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:28:10,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:28:10,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:28:10,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:28:10,458 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-14 21:28:10,459 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:28:10,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:28:10,459 INFO L82 PathProgramCache]: Analyzing trace with hash 441737761, now seen corresponding path program 10 times [2021-07-14 21:28:10,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:28:10,459 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524724050] [2021-07-14 21:28:10,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:28:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:28:10,649 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 217 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-14 21:28:10,649 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:28:10,649 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524724050] [2021-07-14 21:28:10,650 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524724050] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:10,651 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875032381] [2021-07-14 21:28:10,651 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:28:10,702 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 21:28:10,702 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:28:10,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 21:28:10,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:28:11,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:11,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:11,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:11,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:28:11,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:11,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:11,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:11,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:11,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:11,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:11,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:11,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-07-14 21:28:11,363 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:28:11,367 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:28:11,368 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:28:11,368 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:51, output treesize:3 [2021-07-14 21:28:11,384 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 217 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-14 21:28:11,384 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875032381] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:11,384 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:28:11,384 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 23 [2021-07-14 21:28:11,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977090047] [2021-07-14 21:28:11,385 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 21:28:11,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:28:11,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 21:28:11,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=472, Unknown=0, NotChecked=0, Total=552 [2021-07-14 21:28:11,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:11,386 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:28:11,386 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 6.083333333333333) internal successors, (146), 23 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:28:11,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:11,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:11,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:11,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:11,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:11,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:11,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:11,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:11,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:28:11,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:28:11,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:28:11,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:28:11,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:12,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:12,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:12,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:12,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:12,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:12,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:12,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:12,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:12,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:28:12,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:28:12,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:28:12,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:28:12,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:28:12,800 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-14 21:28:12,801 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:28:12,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:28:12,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1658257008, now seen corresponding path program 11 times [2021-07-14 21:28:12,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:28:12,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682174154] [2021-07-14 21:28:12,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:28:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:28:13,208 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 36 proven. 204 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-07-14 21:28:13,208 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:28:13,208 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682174154] [2021-07-14 21:28:13,208 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682174154] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:13,208 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168704315] [2021-07-14 21:28:13,208 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:28:13,273 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2021-07-14 21:28:13,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:28:13,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-14 21:28:13,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:28:14,041 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2021-07-14 21:28:14,369 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2021-07-14 21:28:14,989 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2021-07-14 21:28:15,852 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 137 [2021-07-14 21:28:16,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:16,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:16,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:16,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:16,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:16,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:16,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:16,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:16,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:16,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:16,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:16,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:16,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:16,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:16,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:16,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:16,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:16,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:28:16,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:16,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2021-07-14 21:28:16,419 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:28:16,423 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:28:16,424 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:28:16,425 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:63, output treesize:7 [2021-07-14 21:28:16,459 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 [2021-07-14 21:28:16,461 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:28:16,462 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:28:16,462 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:28:16,462 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 21:28:16,512 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 36 proven. 218 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 21:28:16,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168704315] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:16,512 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:28:16,512 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 27] total 45 [2021-07-14 21:28:16,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507324510] [2021-07-14 21:28:16,513 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-14 21:28:16,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:28:16,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-14 21:28:16,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=1844, Unknown=0, NotChecked=0, Total=2070 [2021-07-14 21:28:16,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:16,514 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:28:16,514 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 3.5) internal successors, (161), 45 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) [2021-07-14 21:28:16,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:16,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:16,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:16,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:16,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:16,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:16,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:16,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:16,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:28:16,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:28:16,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:28:16,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:28:16,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:28:16,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:19,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:19,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:19,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:19,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:19,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:19,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:19,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:19,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:19,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:28:19,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:28:19,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:28:19,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:28:19,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:28:19,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:28:19,878 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-14 21:28:19,878 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:28:19,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:28:19,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1979311556, now seen corresponding path program 12 times [2021-07-14 21:28:19,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:28:19,879 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687574401] [2021-07-14 21:28:19,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:28:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:28:20,165 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-14 21:28:20,166 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:28:20,166 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687574401] [2021-07-14 21:28:20,166 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687574401] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:20,166 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798810523] [2021-07-14 21:28:20,166 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:28:20,241 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2021-07-14 21:28:20,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:28:20,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 21:28:20,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:28:20,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:28:20,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:20,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:20,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:20,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:20,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:20,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:20,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:20,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:20,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:20,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:20,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:20,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:20,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:20,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:20,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:20,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 22 [2021-07-14 21:28:20,964 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:28:20,968 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:28:20,969 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:28:20,969 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:58, output treesize:3 [2021-07-14 21:28:20,984 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-14 21:28:20,984 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798810523] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:20,984 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:28:20,984 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 27 [2021-07-14 21:28:20,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096759425] [2021-07-14 21:28:20,985 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 21:28:20,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:28:20,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 21:28:20,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2021-07-14 21:28:20,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:20,986 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:28:20,987 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 6.071428571428571) internal successors, (170), 27 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:28:20,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:20,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:20,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:20,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:20,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:20,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:20,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:20,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:20,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:28:20,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:28:20,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:28:20,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:28:20,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:28:20,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:28:20,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:23,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:23,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:23,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:23,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:23,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:23,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:23,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:23,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:23,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:28:23,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:28:23,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:28:23,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:28:23,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:28:23,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:28:23,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:28:23,220 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-07-14 21:28:23,220 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:28:23,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:28:23,221 INFO L82 PathProgramCache]: Analyzing trace with hash 2111644245, now seen corresponding path program 13 times [2021-07-14 21:28:23,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:28:23,221 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308104818] [2021-07-14 21:28:23,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:28:23,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:28:23,616 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 44 proven. 276 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-07-14 21:28:23,617 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:28:23,617 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308104818] [2021-07-14 21:28:23,617 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308104818] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:23,617 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590623334] [2021-07-14 21:28:23,622 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:28:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:28:23,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 21:28:23,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:28:24,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:24,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:24,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:24,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:24,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:28:24,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:24,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:24,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:24,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:24,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:24,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:24,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:24,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:24,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:24,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:24,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:24,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 22 [2021-07-14 21:28:24,742 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:28:24,746 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:28:24,747 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:28:24,747 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:59, output treesize:7 [2021-07-14 21:28:24,780 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 [2021-07-14 21:28:24,781 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:28:24,782 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:28:24,782 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:28:24,782 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 21:28:24,827 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 44 proven. 276 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-07-14 21:28:24,828 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590623334] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:24,828 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:28:24,828 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 22] total 43 [2021-07-14 21:28:24,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816519742] [2021-07-14 21:28:24,829 INFO L462 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-07-14 21:28:24,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:28:24,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-07-14 21:28:24,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=1704, Unknown=0, NotChecked=0, Total=1892 [2021-07-14 21:28:24,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:24,831 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:28:24,831 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 4.045454545454546) internal successors, (178), 43 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:28:24,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:24,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:24,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:24,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:24,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:24,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:24,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:24,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:24,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:28:24,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:28:24,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:28:24,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:28:24,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:28:24,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:28:24,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:28:24,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:29,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:29,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:29,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:29,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:29,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:29,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:29,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:29,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:29,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:28:29,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:28:29,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:28:29,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:28:29,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:28:29,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:28:29,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:28:29,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:28:29,418 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:28:29,419 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:28:29,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:28:29,419 INFO L82 PathProgramCache]: Analyzing trace with hash -2033120007, now seen corresponding path program 14 times [2021-07-14 21:28:29,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:28:29,419 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877329946] [2021-07-14 21:28:29,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:28:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:28:29,704 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 5 proven. 357 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 21:28:29,704 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:28:29,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877329946] [2021-07-14 21:28:29,704 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877329946] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:29,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814780637] [2021-07-14 21:28:29,704 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:28:29,761 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 21:28:29,761 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:28:29,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-14 21:28:29,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:28:30,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:30,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:30,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:30,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:30,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:30,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:30,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:30,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:30,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:30,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:30,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:30,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:30,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:30,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:30,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:30,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:30,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:30,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:30,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:30,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:30,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:30,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:28:30,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:30,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:30,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:30,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 25 [2021-07-14 21:28:30,806 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:28:30,810 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:28:30,811 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:28:30,811 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:59, output treesize:3 [2021-07-14 21:28:30,825 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 362 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 21:28:30,826 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814780637] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:30,826 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:28:30,826 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 35 [2021-07-14 21:28:30,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088625486] [2021-07-14 21:28:30,826 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-07-14 21:28:30,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:28:30,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-07-14 21:28:30,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1112, Unknown=0, NotChecked=0, Total=1260 [2021-07-14 21:28:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:30,827 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:28:30,827 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 5.444444444444445) internal successors, (196), 35 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:28:30,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:30,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:30,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:30,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:30,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:30,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:30,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:30,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:30,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:28:30,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:28:30,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:28:30,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:28:30,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:28:30,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:28:30,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:28:30,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:28:30,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:28:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:28:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:28:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:28:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:28:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:28:33,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:28:33,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:28:33,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:28:33,408 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-07-14 21:28:33,408 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:28:33,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:28:33,409 INFO L82 PathProgramCache]: Analyzing trace with hash 343420823, now seen corresponding path program 15 times [2021-07-14 21:28:33,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:28:33,409 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069846033] [2021-07-14 21:28:33,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:28:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:28:33,680 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 0 proven. 379 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-14 21:28:33,680 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:28:33,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069846033] [2021-07-14 21:28:33,681 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069846033] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:33,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987525077] [2021-07-14 21:28:33,681 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:28:33,759 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-07-14 21:28:33,759 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:28:33,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-14 21:28:33,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:28:34,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:28:34,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:34,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:34,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:34,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:34,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:34,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:34,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:34,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:34,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:34,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:34,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:34,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:34,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:34,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:34,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:34,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:34,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:34,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:34,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:34,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:34,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:34,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2021-07-14 21:28:34,646 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:28:34,650 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:28:34,650 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:28:34,650 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:65, output treesize:3 [2021-07-14 21:28:34,665 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 0 proven. 379 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-14 21:28:34,665 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987525077] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:34,665 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:28:34,665 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17] total 31 [2021-07-14 21:28:34,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897751713] [2021-07-14 21:28:34,666 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-14 21:28:34,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:28:34,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-14 21:28:34,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=868, Unknown=0, NotChecked=0, Total=992 [2021-07-14 21:28:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:34,667 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:28:34,667 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 6.0625) internal successors, (194), 31 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:28:34,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:34,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:34,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:34,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:34,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:34,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:34,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:34,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:34,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:28:34,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:28:34,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:28:34,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:28:34,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:28:34,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:28:34,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:28:34,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:28:34,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:28:34,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:28:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:28:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:28:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:28:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:28:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:28:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:28:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:28:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:28:37,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:28:37,698 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:28:37,699 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:28:37,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:28:37,699 INFO L82 PathProgramCache]: Analyzing trace with hash 465120730, now seen corresponding path program 16 times [2021-07-14 21:28:37,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:28:37,699 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231423052] [2021-07-14 21:28:37,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:28:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:28:38,200 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 52 proven. 360 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-07-14 21:28:38,200 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:28:38,201 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231423052] [2021-07-14 21:28:38,201 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231423052] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:38,201 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481892700] [2021-07-14 21:28:38,201 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 [2021-07-14 21:28:38,257 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 21:28:38,257 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:28:38,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 57 conjunts are in the unsatisfiable core [2021-07-14 21:28:38,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:28:39,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:39,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:39,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:39,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:39,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:39,591 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:28:39,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:39,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:39,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:39,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:39,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:39,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:39,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:39,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:39,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:39,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:39,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:39,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:39,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:39,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:39,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:39,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:39,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 25 [2021-07-14 21:28:39,604 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:28:39,609 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:28:39,609 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:28:39,610 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:66, output treesize:7 [2021-07-14 21:28:39,646 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 [2021-07-14 21:28:39,648 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:28:39,649 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:28:39,650 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:28:39,650 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 21:28:39,694 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 52 proven. 360 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-07-14 21:28:39,694 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481892700] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:39,694 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:28:39,694 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 25] total 49 [2021-07-14 21:28:39,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793614164] [2021-07-14 21:28:39,694 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-07-14 21:28:39,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:28:39,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-07-14 21:28:39,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=2215, Unknown=0, NotChecked=0, Total=2450 [2021-07-14 21:28:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:39,695 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:28:39,695 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 4.04) internal successors, (202), 49 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:28:39,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:39,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:39,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:39,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:39,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:39,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:39,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:39,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:39,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:28:39,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:28:39,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:28:39,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:28:39,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:28:39,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:28:39,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:28:39,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:28:39,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:28:39,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:28:39,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:45,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:45,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:45,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:45,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:45,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:45,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:45,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:45,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:45,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:28:45,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:28:45,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:28:45,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:28:45,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:28:45,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:28:45,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:28:45,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:28:45,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:28:45,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:28:45,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:28:45,787 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-07-14 21:28:45,787 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:28:45,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:28:45,787 INFO L82 PathProgramCache]: Analyzing trace with hash -625447788, now seen corresponding path program 17 times [2021-07-14 21:28:45,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:28:45,787 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155519316] [2021-07-14 21:28:45,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:28:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:28:46,116 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 5 proven. 454 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 21:28:46,116 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:28:46,116 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155519316] [2021-07-14 21:28:46,116 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155519316] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:46,116 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516600236] [2021-07-14 21:28:46,116 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 [2021-07-14 21:28:46,207 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2021-07-14 21:28:46,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:28:46,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-14 21:28:46,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:28:47,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:28:47,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:47,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 31 [2021-07-14 21:28:47,705 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:28:47,708 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:28:47,709 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:28:47,709 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:77, output treesize:3 [2021-07-14 21:28:47,724 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 21:28:47,724 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516600236] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:47,724 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:28:47,724 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 40 [2021-07-14 21:28:47,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436964346] [2021-07-14 21:28:47,724 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-14 21:28:47,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:28:47,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-14 21:28:47,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=1450, Unknown=0, NotChecked=0, Total=1640 [2021-07-14 21:28:47,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:47,725 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:28:47,725 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 5.414634146341464) internal successors, (222), 40 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:28:47,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:47,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:47,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:47,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:47,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:47,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:47,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:47,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:47,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:28:47,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:28:47,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:28:47,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:28:47,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:28:47,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:28:47,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:28:47,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:28:47,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:28:47,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:28:47,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:28:47,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:50,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:50,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:50,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:50,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:50,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:28:50,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:28:50,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:28:50,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:28:50,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:28:50,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:28:50,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:28:50,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:28:50,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:28:50,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:28:50,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:28:50,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:28:51,110 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-07-14 21:28:51,110 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:28:51,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:28:51,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1046834638, now seen corresponding path program 18 times [2021-07-14 21:28:51,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:28:51,110 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567484213] [2021-07-14 21:28:51,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:28:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:28:51,396 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 478 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-14 21:28:51,396 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:28:51,396 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567484213] [2021-07-14 21:28:51,396 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567484213] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:51,397 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039715831] [2021-07-14 21:28:51,397 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 [2021-07-14 21:28:51,534 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2021-07-14 21:28:51,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:28:51,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-14 21:28:51,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:28:52,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:28:52,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:28:52,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 28 [2021-07-14 21:28:52,696 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:28:52,700 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:28:52,700 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:28:52,700 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:72, output treesize:3 [2021-07-14 21:28:52,715 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 478 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-14 21:28:52,715 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039715831] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:52,715 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:28:52,715 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 35 [2021-07-14 21:28:52,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918463226] [2021-07-14 21:28:52,716 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-07-14 21:28:52,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:28:52,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-07-14 21:28:52,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1111, Unknown=0, NotChecked=0, Total=1260 [2021-07-14 21:28:52,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:52,716 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:28:52,716 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 6.055555555555555) internal successors, (218), 35 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:28:52,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:52,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:52,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:28:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:28:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:28:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:28:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:28:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:28:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:28:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:28:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:28:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:28:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:28:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:28:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:28:56,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:56,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:56,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:28:56,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:28:56,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:28:56,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:28:56,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:28:56,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:28:56,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:28:56,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:28:56,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:28:56,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:28:56,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:28:56,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:28:56,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:28:56,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:28:56,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:28:56,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:28:56,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:28:56,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:28:56,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:28:56,919 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:28:56,920 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:28:56,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:28:56,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1757203425, now seen corresponding path program 19 times [2021-07-14 21:28:56,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:28:56,920 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192182550] [2021-07-14 21:28:56,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:28:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:28:57,182 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2021-07-14 21:28:57,602 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 60 proven. 456 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-07-14 21:28:57,602 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:28:57,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192182550] [2021-07-14 21:28:57,602 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192182550] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:28:57,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282266621] [2021-07-14 21:28:57,602 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 [2021-07-14 21:28:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:28:57,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 72 conjunts are in the unsatisfiable core [2021-07-14 21:28:57,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:28:58,398 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-07-14 21:28:58,646 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2021-07-14 21:28:58,956 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2021-07-14 21:28:59,709 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2021-07-14 21:28:59,918 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-07-14 21:29:01,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:01,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:29:01,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 31 [2021-07-14 21:29:01,652 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:29:01,657 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:29:01,657 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:29:01,658 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:78, output treesize:7 [2021-07-14 21:29:01,709 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 [2021-07-14 21:29:01,710 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:29:01,711 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:29:01,711 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:29:01,711 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 21:29:01,766 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 60 proven. 470 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 21:29:01,766 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282266621] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:29:01,767 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:29:01,767 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 36] total 63 [2021-07-14 21:29:01,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934714937] [2021-07-14 21:29:01,767 INFO L462 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-07-14 21:29:01,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:29:01,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-07-14 21:29:01,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=422, Invalid=3610, Unknown=0, NotChecked=0, Total=4032 [2021-07-14 21:29:01,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:29:01,768 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:29:01,769 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 3.640625) internal successors, (233), 63 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:29:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:29:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:29:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:29:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:29:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:29:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:29:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:29:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:29:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:29:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:29:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:29:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:29:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:29:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:29:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:29:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:29:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:29:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:29:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:29:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:29:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:29:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:29:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:29:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:29:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:29:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:29:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:29:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:29:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:29:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:29:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:29:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:29:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:29:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:29:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:29:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:29:08,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:29:08,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:29:09,198 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2021-07-14 21:29:09,198 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:29:09,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:29:09,198 INFO L82 PathProgramCache]: Analyzing trace with hash -2131676659, now seen corresponding path program 20 times [2021-07-14 21:29:09,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:29:09,199 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568368975] [2021-07-14 21:29:09,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:29:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:29:09,572 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 589 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-14 21:29:09,573 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:29:09,573 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568368975] [2021-07-14 21:29:09,573 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568368975] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:29:09,573 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539291351] [2021-07-14 21:29:09,573 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 [2021-07-14 21:29:09,651 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 21:29:09,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:29:09,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-14 21:29:09,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:29:09,952 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-07-14 21:29:11,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:29:11,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:11,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 31 [2021-07-14 21:29:11,029 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:29:11,033 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:29:11,034 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:29:11,034 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:79, output treesize:3 [2021-07-14 21:29:11,049 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 589 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-14 21:29:11,049 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539291351] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:29:11,049 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:29:11,049 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21] total 39 [2021-07-14 21:29:11,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170157963] [2021-07-14 21:29:11,049 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-14 21:29:11,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:29:11,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-14 21:29:11,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=1384, Unknown=0, NotChecked=0, Total=1560 [2021-07-14 21:29:11,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:29:11,050 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:29:11,050 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 6.05) internal successors, (242), 39 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:29:11,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:11,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:11,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:11,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:29:11,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:29:11,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:29:11,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:29:11,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:29:11,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:29:11,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:29:11,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:29:11,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:29:11,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:29:11,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:29:11,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:29:11,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:29:11,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:29:11,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:29:11,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:29:11,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:29:11,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:29:11,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:29:11,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:29:16,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:16,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:16,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:16,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:29:16,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:29:16,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:29:16,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:29:16,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:29:16,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:29:16,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:29:16,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:29:16,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:29:16,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:29:16,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:29:16,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:29:16,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:29:16,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:29:16,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:29:16,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:29:16,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:29:16,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:29:16,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:29:16,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:29:16,859 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:29:16,859 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:29:16,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:29:16,859 INFO L82 PathProgramCache]: Analyzing trace with hash -974306012, now seen corresponding path program 21 times [2021-07-14 21:29:16,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:29:16,860 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204039813] [2021-07-14 21:29:16,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:29:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:29:17,356 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 5 proven. 638 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 21:29:17,356 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:29:17,357 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204039813] [2021-07-14 21:29:17,357 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204039813] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:29:17,357 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63069441] [2021-07-14 21:29:17,357 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 [2021-07-14 21:29:17,459 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2021-07-14 21:29:17,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:29:17,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 69 conjunts are in the unsatisfiable core [2021-07-14 21:29:17,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:29:18,863 INFO L354 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2021-07-14 21:29:18,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 67 treesize of output 31 [2021-07-14 21:29:18,865 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:29:18,868 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:29:18,869 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:29:18,869 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:70, output treesize:7 [2021-07-14 21:29:18,945 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 [2021-07-14 21:29:18,946 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:29:18,947 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:29:18,947 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:29:18,947 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 21:29:19,027 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 68 proven. 564 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-07-14 21:29:19,027 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63069441] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:29:19,027 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:29:19,027 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 31] total 56 [2021-07-14 21:29:19,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431042017] [2021-07-14 21:29:19,028 INFO L462 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-07-14 21:29:19,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:29:19,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-07-14 21:29:19,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=2938, Unknown=0, NotChecked=0, Total=3192 [2021-07-14 21:29:19,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:29:19,029 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:29:19,029 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 4.631578947368421) internal successors, (264), 56 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:29:19,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:19,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:19,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:19,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:29:19,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:29:19,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:29:19,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:29:19,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:29:19,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:29:19,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:29:19,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:29:19,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:29:19,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:29:19,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:29:19,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:29:19,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:29:19,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:29:19,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:29:19,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:29:19,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:29:19,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:29:19,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:29:19,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:29:19,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:29:30,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:29:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:29:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:29:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:29:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:29:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:29:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:29:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:29:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:29:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:29:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:29:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:29:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:29:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:29:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:29:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:29:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:29:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:29:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:29:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:29:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:29:31,031 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:29:31,032 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:29:31,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:29:31,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1600913624, now seen corresponding path program 22 times [2021-07-14 21:29:31,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:29:31,032 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384095772] [2021-07-14 21:29:31,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:29:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:29:31,430 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 0 proven. 712 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-14 21:29:31,430 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:29:31,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384095772] [2021-07-14 21:29:31,430 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384095772] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:29:31,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204353288] [2021-07-14 21:29:31,430 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 [2021-07-14 21:29:31,498 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 21:29:31,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:29:31,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-14 21:29:31,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:29:32,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:29:32,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:32,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:33,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:33,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:33,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:33,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:33,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:33,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:33,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:33,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:33,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:33,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:33,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:33,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:33,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:33,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:33,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:33,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:33,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 34 [2021-07-14 21:29:33,013 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:29:33,017 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:29:33,018 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:29:33,018 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:86, output treesize:3 [2021-07-14 21:29:33,036 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 0 proven. 712 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-14 21:29:33,036 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204353288] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:29:33,036 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:29:33,036 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23] total 43 [2021-07-14 21:29:33,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453946235] [2021-07-14 21:29:33,036 INFO L462 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-07-14 21:29:33,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:29:33,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-07-14 21:29:33,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=1687, Unknown=0, NotChecked=0, Total=1892 [2021-07-14 21:29:33,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:29:33,037 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:29:33,038 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 6.045454545454546) internal successors, (266), 43 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:29:33,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:29:40,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:40,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:29:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:29:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:29:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:29:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:29:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:29:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:29:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:29:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:29:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:29:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:29:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:29:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:29:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:29:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:29:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:29:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:29:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:29:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:29:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:29:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:29:40,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:29:40,379 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable76 [2021-07-14 21:29:40,379 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:29:40,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:29:40,380 INFO L82 PathProgramCache]: Analyzing trace with hash 454389993, now seen corresponding path program 23 times [2021-07-14 21:29:40,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:29:40,380 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481852898] [2021-07-14 21:29:40,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:29:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:29:41,146 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 76 proven. 684 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-07-14 21:29:41,146 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:29:41,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481852898] [2021-07-14 21:29:41,146 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481852898] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:29:41,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409559096] [2021-07-14 21:29:41,146 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 [2021-07-14 21:29:41,244 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2021-07-14 21:29:41,244 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:29:41,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 76 conjunts are in the unsatisfiable core [2021-07-14 21:29:41,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:29:43,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:29:43,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:29:43,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 34 [2021-07-14 21:29:43,754 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:29:43,758 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:29:43,759 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:29:43,759 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:87, output treesize:7 [2021-07-14 21:29:43,807 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 [2021-07-14 21:29:43,808 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:29:43,809 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:29:43,809 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:29:43,809 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 21:29:43,867 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 76 proven. 684 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-07-14 21:29:43,867 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409559096] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:29:43,867 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:29:43,867 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 34] total 67 [2021-07-14 21:29:43,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209245171] [2021-07-14 21:29:43,868 INFO L462 AbstractCegarLoop]: Interpolant automaton has 68 states [2021-07-14 21:29:43,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:29:43,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2021-07-14 21:29:43,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=4150, Unknown=0, NotChecked=0, Total=4556 [2021-07-14 21:29:43,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:29:43,869 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:29:43,869 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 68 states, 68 states have (on average 4.029411764705882) internal successors, (274), 67 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:29:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:29:56,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:29:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:29:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:29:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:29:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:29:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:29:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:29:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:29:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:29:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:29:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:29:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:29:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:29:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:29:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:29:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:29:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:29:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:29:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:29:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:29:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:29:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:29:56,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:29:56,846 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:29:56,847 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:29:56,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:29:56,847 INFO L82 PathProgramCache]: Analyzing trace with hash -2094613787, now seen corresponding path program 24 times [2021-07-14 21:29:56,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:29:56,847 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610345338] [2021-07-14 21:29:56,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:29:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:29:57,364 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 5 proven. 817 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 21:29:57,365 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:29:57,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610345338] [2021-07-14 21:29:57,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610345338] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:29:57,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100491182] [2021-07-14 21:29:57,365 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:29:57,463 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2021-07-14 21:29:57,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:29:57,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-14 21:29:57,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:29:58,878 INFO L354 Elim1Store]: treesize reduction 640, result has 0.2 percent of original size [2021-07-14 21:29:58,878 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 81 treesize of output 37 [2021-07-14 21:29:58,881 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:29:58,882 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:29:58,883 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:29:58,883 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:81, output treesize:3 [2021-07-14 21:29:58,898 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 0 proven. 822 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 21:29:58,898 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100491182] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:29:58,898 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:29:58,898 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27] total 51 [2021-07-14 21:29:58,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851855952] [2021-07-14 21:29:58,899 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-14 21:29:58,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:29:58,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-14 21:29:58,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=2383, Unknown=0, NotChecked=0, Total=2652 [2021-07-14 21:29:58,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:29:58,900 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:29:58,900 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 5.519230769230769) internal successors, (287), 51 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:29:58,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:58,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:58,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:29:58,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:29:58,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:29:58,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:29:58,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:29:58,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:29:58,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:29:58,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:29:58,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:29:58,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:29:58,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:29:58,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:29:58,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:29:58,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:29:58,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:29:58,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:29:58,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:29:58,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:29:58,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:29:58,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:29:58,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:29:58,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:29:58,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:29:58,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:29:58,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:30:05,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:30:05,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:30:05,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:30:05,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:30:05,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:30:05,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:30:05,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:30:05,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:30:05,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:30:05,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:30:05,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:30:05,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:30:05,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:30:05,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:30:05,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:30:05,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:30:05,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:30:05,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:30:05,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:30:05,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:30:05,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:30:05,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:30:05,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:30:05,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:30:05,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:30:05,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:30:05,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:30:05,817 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2021-07-14 21:30:05,817 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:30:05,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:30:05,818 INFO L82 PathProgramCache]: Analyzing trace with hash -2077300349, now seen corresponding path program 25 times [2021-07-14 21:30:05,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:30:05,818 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094428013] [2021-07-14 21:30:05,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:30:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:30:06,443 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 847 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-14 21:30:06,443 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:30:06,443 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094428013] [2021-07-14 21:30:06,443 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094428013] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:30:06,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98819648] [2021-07-14 21:30:06,444 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:30:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:30:06,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-14 21:30:06,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:30:08,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:30:08,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:08,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 37 [2021-07-14 21:30:08,459 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:30:08,462 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:30:08,463 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:30:08,463 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:93, output treesize:3 [2021-07-14 21:30:08,480 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 847 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-14 21:30:08,480 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98819648] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:30:08,480 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:30:08,480 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 47 [2021-07-14 21:30:08,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311077912] [2021-07-14 21:30:08,480 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-07-14 21:30:08,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:30:08,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-07-14 21:30:08,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=2020, Unknown=0, NotChecked=0, Total=2256 [2021-07-14 21:30:08,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:30:08,481 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:30:08,482 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 6.041666666666667) internal successors, (290), 47 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:30:08,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:30:17,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:30:17,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:30:18,109 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:30:18,109 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:30:18,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:30:18,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1359333230, now seen corresponding path program 26 times [2021-07-14 21:30:18,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:30:18,110 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630459807] [2021-07-14 21:30:18,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:30:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:30:18,665 INFO L134 CoverageAnalysis]: Checked inductivity of 917 backedges. 5 proven. 906 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 21:30:18,665 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:30:18,665 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630459807] [2021-07-14 21:30:18,665 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630459807] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:30:18,665 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333508242] [2021-07-14 21:30:18,665 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:30:18,768 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 21:30:18,769 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:30:18,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 42 conjunts are in the unsatisfiable core [2021-07-14 21:30:18,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:30:21,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:30:21,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:30:21,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 40 [2021-07-14 21:30:21,423 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:30:21,427 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:30:21,427 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:30:21,427 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:100, output treesize:3 [2021-07-14 21:30:21,438 INFO L134 CoverageAnalysis]: Checked inductivity of 917 backedges. 0 proven. 911 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 21:30:21,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333508242] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:30:21,438 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:30:21,438 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 29] total 55 [2021-07-14 21:30:21,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65533052] [2021-07-14 21:30:21,439 INFO L462 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-07-14 21:30:21,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:30:21,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-07-14 21:30:21,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=303, Invalid=2777, Unknown=0, NotChecked=0, Total=3080 [2021-07-14 21:30:21,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:30:21,440 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:30:21,440 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 56 states, 56 states have (on average 5.571428571428571) internal successors, (312), 55 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:30:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:30:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:30:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:30:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:30:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:30:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:30:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:30:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:30:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:30:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:30:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:30:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:30:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:30:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:30:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:30:21,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:30:21,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:30:21,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:30:21,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:30:21,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:30:21,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:30:21,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:30:21,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:30:21,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:30:21,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:30:21,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:30:21,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:30:21,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:30:21,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:30:25,545 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-07-14 21:30:31,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:30:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:30:31,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:30:31,207 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2021-07-14 21:30:31,207 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:30:31,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:30:31,207 INFO L82 PathProgramCache]: Analyzing trace with hash 705137424, now seen corresponding path program 27 times [2021-07-14 21:30:31,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:30:31,207 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899035321] [2021-07-14 21:30:31,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:30:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:30:31,745 INFO L134 CoverageAnalysis]: Checked inductivity of 952 backedges. 0 proven. 938 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-14 21:30:31,745 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:30:31,745 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899035321] [2021-07-14 21:30:31,745 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899035321] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:30:31,745 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642848546] [2021-07-14 21:30:31,745 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:30:31,869 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2021-07-14 21:30:31,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:30:31,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 88 conjunts are in the unsatisfiable core [2021-07-14 21:30:31,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:30:34,059 INFO L354 Elim1Store]: treesize reduction 640, result has 0.2 percent of original size [2021-07-14 21:30:34,059 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 81 treesize of output 37 [2021-07-14 21:30:34,062 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:30:34,065 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:30:34,065 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:30:34,065 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:84, output treesize:7 [2021-07-14 21:30:34,159 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 13 treesize of output 9 [2021-07-14 21:30:34,160 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:30:34,166 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:30:34,166 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:30:34,166 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:9 [2021-07-14 21:30:34,271 INFO L134 CoverageAnalysis]: Checked inductivity of 952 backedges. 84 proven. 850 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-07-14 21:30:34,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642848546] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:30:34,271 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:30:34,271 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 37] total 64 [2021-07-14 21:30:34,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555200357] [2021-07-14 21:30:34,272 INFO L462 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-07-14 21:30:34,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:30:34,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-07-14 21:30:34,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=3829, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 21:30:34,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:30:34,273 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:30:34,273 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 65 states, 65 states have (on average 4.8) internal successors, (312), 64 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:30:34,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:30:34,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:30:34,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:30:34,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:30:34,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:30:34,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:30:34,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:30:34,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:30:34,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:30:34,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:30:34,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:30:34,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:30:34,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:30:34,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:30:34,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:30:34,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:30:34,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:30:34,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:30:34,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:30:34,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:30:34,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:30:34,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:30:34,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:30:34,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:30:34,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:30:34,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:30:34,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:30:34,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:30:34,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:30:34,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:31:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:31:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:31:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:31:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:31:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:31:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:31:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:31:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:31:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:31:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:31:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:31:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:31:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:31:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:31:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:31:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:31:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:31:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:31:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:31:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:31:00,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:31:00,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:31:00,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:31:00,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:31:00,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:31:00,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:31:00,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:31:00,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:31:00,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:31:00,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:31:00,240 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:31:00,241 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:31:00,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:31:00,241 INFO L82 PathProgramCache]: Analyzing trace with hash -281861797, now seen corresponding path program 28 times [2021-07-14 21:31:00,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:31:00,241 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765926829] [2021-07-14 21:31:00,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:31:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:31:00,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 5 proven. 1119 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 21:31:00,865 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:31:00,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765926829] [2021-07-14 21:31:00,866 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765926829] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:31:00,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115014574] [2021-07-14 21:31:00,866 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:31:00,946 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 21:31:00,946 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:31:00,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-14 21:31:00,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:31:02,616 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-07-14 21:31:03,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:31:03,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:03,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 43 [2021-07-14 21:31:03,896 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:31:03,900 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:31:03,900 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:31:03,901 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:101, output treesize:3 [2021-07-14 21:31:03,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 0 proven. 1124 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 21:31:03,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115014574] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:31:03,917 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:31:03,917 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31] total 59 [2021-07-14 21:31:03,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059223171] [2021-07-14 21:31:03,918 INFO L462 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-07-14 21:31:03,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:31:03,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-07-14 21:31:03,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=340, Invalid=3200, Unknown=0, NotChecked=0, Total=3540 [2021-07-14 21:31:03,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:31:03,919 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:31:03,919 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 60 states, 60 states have (on average 5.666666666666667) internal successors, (340), 59 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:31:03,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:31:03,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:31:03,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:31:03,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:31:03,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:31:03,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:31:03,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:31:03,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:31:03,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:31:03,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:31:03,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:31:03,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:31:03,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:31:03,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:31:03,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:31:03,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:31:03,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:31:03,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:31:03,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:31:03,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:31:03,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:31:03,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:31:03,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:31:03,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:31:03,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:31:03,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:31:03,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:31:03,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:31:03,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:31:03,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:31:03,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:31:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:31:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:31:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:31:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:31:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:31:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:31:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:31:15,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:31:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:31:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:31:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:31:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:31:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:31:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:31:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:31:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:31:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:31:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:31:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:31:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:31:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:31:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:31:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:31:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:31:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:31:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:31:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:31:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:31:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:31:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:31:15,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:31:15,281 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,30 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:31:15,281 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:31:15,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:31:15,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1679763975, now seen corresponding path program 29 times [2021-07-14 21:31:15,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:31:15,281 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262890029] [2021-07-14 21:31:15,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:31:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:31:15,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 0 proven. 1153 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-14 21:31:15,821 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:31:15,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262890029] [2021-07-14 21:31:15,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262890029] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:31:15,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940408203] [2021-07-14 21:31:15,821 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:31:15,939 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2021-07-14 21:31:15,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:31:15,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-14 21:31:15,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:31:18,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:31:18,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:18,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 43 [2021-07-14 21:31:18,566 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:31:18,570 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:31:18,570 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:31:18,570 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:107, output treesize:3 [2021-07-14 21:31:18,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 0 proven. 1153 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-14 21:31:18,625 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940408203] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:31:18,625 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:31:18,625 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 29] total 56 [2021-07-14 21:31:18,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738505512] [2021-07-14 21:31:18,625 INFO L462 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-07-14 21:31:18,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:31:18,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-07-14 21:31:18,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=2884, Unknown=0, NotChecked=0, Total=3192 [2021-07-14 21:31:18,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:31:18,626 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:31:18,626 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 6.087719298245614) internal successors, (347), 56 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:31:18,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:31:18,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:31:18,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:31:18,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:31:18,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:31:18,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:31:22,492 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-07-14 21:31:33,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:31:33,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:31:33,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:31:33,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:31:33,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:31:33,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:31:33,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:31:33,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:31:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:31:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:31:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:31:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:31:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:31:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:31:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:31:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:31:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:31:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:31:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:31:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:31:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:31:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:31:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:31:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:31:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:31:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:31:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:31:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:31:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:31:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:31:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:31:33,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:31:33,338 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:31:33,338 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:31:33,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:31:33,339 INFO L82 PathProgramCache]: Analyzing trace with hash -519883592, now seen corresponding path program 30 times [2021-07-14 21:31:33,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:31:33,339 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091379093] [2021-07-14 21:31:33,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:31:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:31:34,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1233 backedges. 5 proven. 1222 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 21:31:34,046 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:31:34,046 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091379093] [2021-07-14 21:31:34,046 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091379093] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:31:34,046 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376452824] [2021-07-14 21:31:34,046 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:31:34,207 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2021-07-14 21:31:34,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:31:34,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 60 conjunts are in the unsatisfiable core [2021-07-14 21:31:34,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:31:35,900 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:31:35,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 21:31:35,901 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:31:35,930 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:31:35,932 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:31:35,932 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:128, output treesize:113 [2021-07-14 21:31:37,437 INFO L354 Elim1Store]: treesize reduction 1232, result has 0.1 percent of original size [2021-07-14 21:31:37,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 109 treesize of output 49 [2021-07-14 21:31:37,441 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:31:37,442 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:31:37,442 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:31:37,442 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:109, output treesize:3 [2021-07-14 21:31:37,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1233 backedges. 0 proven. 1230 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 21:31:37,456 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376452824] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:31:37,456 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:31:37,456 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 38] total 69 [2021-07-14 21:31:37,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604253786] [2021-07-14 21:31:37,457 INFO L462 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-07-14 21:31:37,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:31:37,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-07-14 21:31:37,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=473, Invalid=4357, Unknown=0, NotChecked=0, Total=4830 [2021-07-14 21:31:37,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:31:37,458 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:31:37,458 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 70 states, 70 states have (on average 5.185714285714286) internal successors, (363), 69 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:31:37,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:31:37,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:31:37,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:31:37,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:31:37,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:31:37,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:31:37,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:31:37,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:31:37,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:31:37,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:31:37,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:31:37,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:31:37,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:31:37,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:31:37,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:31:37,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:31:37,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:31:37,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:31:37,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:31:37,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:31:37,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:31:37,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:31:37,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:31:37,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:31:37,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:31:37,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:31:37,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:31:37,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:31:37,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:31:37,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:31:37,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:31:37,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:31:37,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:31:51,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:31:51,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:31:51,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:31:51,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:31:51,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:31:51,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:31:51,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:31:51,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:31:51,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 21:31:51,408 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:31:51,408 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:31:51,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:31:51,409 INFO L82 PathProgramCache]: Analyzing trace with hash 2017243738, now seen corresponding path program 31 times [2021-07-14 21:31:51,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:31:51,409 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079500920] [2021-07-14 21:31:51,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:31:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:31:52,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1272 backedges. 100 proven. 1154 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-07-14 21:31:52,599 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:31:52,599 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079500920] [2021-07-14 21:31:52,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079500920] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:31:52,599 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576461622] [2021-07-14 21:31:52,599 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:31:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:31:52,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 99 conjunts are in the unsatisfiable core [2021-07-14 21:31:52,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:31:56,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:31:56,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:31:56,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 43 [2021-07-14 21:31:56,832 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:31:56,837 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:31:56,838 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:31:56,838 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:108, output treesize:7 [2021-07-14 21:31:56,899 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 [2021-07-14 21:31:56,900 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:31:56,900 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:31:56,901 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:31:56,901 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 21:31:56,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1272 backedges. 100 proven. 1154 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-07-14 21:31:56,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576461622] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:31:56,973 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:31:56,973 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 43] total 85 [2021-07-14 21:31:56,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623722392] [2021-07-14 21:31:56,973 INFO L462 AbstractCegarLoop]: Interpolant automaton has 86 states [2021-07-14 21:31:56,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:31:56,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-07-14 21:31:56,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=6688, Unknown=0, NotChecked=0, Total=7310 [2021-07-14 21:31:56,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:31:56,975 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:31:56,975 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 86 states, 86 states have (on average 4.046511627906977) internal successors, (348), 85 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:31:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:31:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:31:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:31:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:31:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:31:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:31:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:31:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:31:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:31:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:31:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:31:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:31:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:31:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:31:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:31:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:31:56,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:31:56,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:31:56,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:31:56,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:31:56,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:31:56,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:31:56,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:31:56,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:31:56,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:31:56,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:31:56,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:31:56,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:31:56,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:31:56,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:31:56,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:31:56,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:31:56,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 21:31:56,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:32:10,627 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-07-14 21:32:12,339 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2021-07-14 21:32:21,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:32:21,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:32:21,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:32:21,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:32:21,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:32:21,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:32:21,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 21:32:21,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:32:22,095 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable104 [2021-07-14 21:32:22,096 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:32:22,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:32:22,096 INFO L82 PathProgramCache]: Analyzing trace with hash -231491564, now seen corresponding path program 32 times [2021-07-14 21:32:22,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:32:22,096 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423809803] [2021-07-14 21:32:22,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:32:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:32:22,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 0 proven. 516 refuted. 0 times theorem prover too weak. 822 trivial. 0 not checked. [2021-07-14 21:32:22,839 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:32:22,840 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423809803] [2021-07-14 21:32:22,840 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423809803] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:32:22,840 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763101912] [2021-07-14 21:32:22,840 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:32:22,919 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 21:32:22,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:32:22,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-14 21:32:22,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:32:24,812 INFO L354 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2021-07-14 21:32:24,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 102 treesize of output 46 [2021-07-14 21:32:24,816 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:32:24,817 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:32:24,818 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:32:24,818 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:102, output treesize:3 [2021-07-14 21:32:24,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 0 proven. 1324 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-14 21:32:24,924 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763101912] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:32:24,924 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:32:24,925 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 31] total 52 [2021-07-14 21:32:24,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080140869] [2021-07-14 21:32:24,925 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-14 21:32:24,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:32:24,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-14 21:32:24,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=2558, Unknown=0, NotChecked=0, Total=2756 [2021-07-14 21:32:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:32:24,926 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:32:24,926 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 4.69811320754717) internal successors, (249), 52 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:32:24,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:32:24,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:32:24,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:32:24,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:32:24,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:32:24,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:32:24,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:32:24,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:32:24,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:32:24,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:32:24,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:32:24,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:32:24,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:32:24,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:32:24,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:32:24,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:32:24,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:32:24,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:32:24,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:32:24,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:32:24,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:32:24,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:32:24,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:32:24,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:32:24,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:32:24,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:32:24,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:32:24,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:32:24,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:32:24,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:32:24,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:32:24,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:32:24,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 21:32:24,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:32:24,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:32:37,335 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2021-07-14 21:33:08,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:33:08,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:33:08,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:33:08,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:33:08,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 21:33:08,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:33:08,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2021-07-14 21:33:09,072 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:33:09,072 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:33:09,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:33:09,073 INFO L82 PathProgramCache]: Analyzing trace with hash -974710817, now seen corresponding path program 33 times [2021-07-14 21:33:09,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:33:09,073 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415792463] [2021-07-14 21:33:09,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:33:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:33:10,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 108 proven. 1321 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-07-14 21:33:10,438 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:33:10,438 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415792463] [2021-07-14 21:33:10,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415792463] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:33:10,438 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470879629] [2021-07-14 21:33:10,438 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:33:10,568 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2021-07-14 21:33:10,568 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:33:10,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 111 conjunts are in the unsatisfiable core [2021-07-14 21:33:10,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:33:16,572 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 17 treesize of output 9 [2021-07-14 21:33:16,573 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:33:16,601 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:33:16,605 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-14 21:33:16,605 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:130, output treesize:119 [2021-07-14 21:33:16,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 108 proven. 1321 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-07-14 21:33:16,940 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470879629] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:33:16,940 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:33:16,940 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 46] total 93 [2021-07-14 21:33:16,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833888732] [2021-07-14 21:33:16,940 INFO L462 AbstractCegarLoop]: Interpolant automaton has 94 states [2021-07-14 21:33:16,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:33:16,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2021-07-14 21:33:16,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=710, Invalid=8032, Unknown=0, NotChecked=0, Total=8742 [2021-07-14 21:33:16,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:33:16,942 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:33:16,942 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 94 states, 94 states have (on average 3.9468085106382977) internal successors, (371), 93 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:33:16,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:33:16,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:33:16,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:33:16,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:33:16,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:33:16,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:33:16,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:33:16,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2021-07-14 21:33:16,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:34:09,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:34:09,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:34:09,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:34:09,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 21:34:09,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:34:09,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2021-07-14 21:34:09,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2021-07-14 21:34:09,419 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable106 [2021-07-14 21:34:09,420 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:34:09,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:34:09,420 INFO L82 PathProgramCache]: Analyzing trace with hash -617284177, now seen corresponding path program 34 times [2021-07-14 21:34:09,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:34:09,420 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461301537] [2021-07-14 21:34:09,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:34:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:34:10,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 5 proven. 1506 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-14 21:34:10,303 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:34:10,303 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461301537] [2021-07-14 21:34:10,303 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461301537] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:34:10,303 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414862633] [2021-07-14 21:34:10,303 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 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:34:10,391 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 21:34:10,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:34:10,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 57 conjunts are in the unsatisfiable core [2021-07-14 21:34:10,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:34:11,841 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2021-07-14 21:34:12,325 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2021-07-14 21:34:12,841 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 111 [2021-07-14 21:34:13,155 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-07-14 21:34:13,788 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 126 [2021-07-14 21:34:14,483 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 138 [2021-07-14 21:34:14,939 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-07-14 21:34:16,492 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 78 [2021-07-14 21:34:18,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:34:18,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:34:18,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 49 [2021-07-14 21:34:18,854 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:34:18,858 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:34:18,858 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:34:18,859 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:115, output treesize:3 [2021-07-14 21:34:18,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 0 proven. 1521 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:34:18,878 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414862633] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:34:18,878 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:34:18,878 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 41] total 73 [2021-07-14 21:34:18,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801828219] [2021-07-14 21:34:18,878 INFO L462 AbstractCegarLoop]: Interpolant automaton has 74 states [2021-07-14 21:34:18,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:34:18,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-07-14 21:34:18,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=502, Invalid=4900, Unknown=0, NotChecked=0, Total=5402 [2021-07-14 21:34:18,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:34:18,879 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:34:18,879 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 74 states, 74 states have (on average 5.324324324324325) internal successors, (394), 73 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:34:18,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:34:18,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:34:18,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:34:18,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:34:18,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:34:18,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:34:18,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:34:18,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:34:18,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:34:18,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:34:18,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2021-07-14 21:34:18,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:34:39,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:34:39,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:34:39,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:34:39,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:34:39,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:34:39,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:34:39,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:34:39,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:34:39,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:34:39,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:34:39,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:34:39,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:34:39,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:34:39,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:34:39,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:34:39,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:34:39,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:34:39,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:34:39,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:34:39,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:34:39,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:34:39,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:34:39,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:34:39,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:34:39,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:34:39,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:34:39,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:34:39,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:34:39,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:34:39,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:34:39,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:34:39,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:34:39,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 21:34:39,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:34:39,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2021-07-14 21:34:39,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2021-07-14 21:34:39,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:34:39,707 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:34:39,707 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:34:39,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:34:39,707 INFO L82 PathProgramCache]: Analyzing trace with hash 963774669, now seen corresponding path program 35 times [2021-07-14 21:34:39,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:34:39,707 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635068634] [2021-07-14 21:34:39,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:34:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:34:40,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1564 backedges. 0 proven. 1546 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-07-14 21:34:40,551 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:34:40,551 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635068634] [2021-07-14 21:34:40,551 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635068634] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:34:40,551 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837240943] [2021-07-14 21:34:40,551 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 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:34:40,710 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2021-07-14 21:34:40,710 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:34:40,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 21:34:40,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:34:43,351 INFO L354 Elim1Store]: treesize reduction 1232, result has 0.1 percent of original size [2021-07-14 21:34:43,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 109 treesize of output 49 [2021-07-14 21:34:43,356 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:34:43,357 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:34:43,357 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:34:43,357 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:109, output treesize:3 [2021-07-14 21:34:43,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1564 backedges. 0 proven. 1546 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-07-14 21:34:43,374 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837240943] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:34:43,374 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:34:43,374 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 33] total 63 [2021-07-14 21:34:43,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703736828] [2021-07-14 21:34:43,375 INFO L462 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-07-14 21:34:43,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:34:43,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-07-14 21:34:43,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=381, Invalid=3651, Unknown=0, NotChecked=0, Total=4032 [2021-07-14 21:34:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:34:43,376 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:34:43,376 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 5.953125) internal successors, (381), 63 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:34:43,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:34:43,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:34:43,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:34:43,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:34:43,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:34:43,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:34:43,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:34:43,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:34:43,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:34:43,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:34:43,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:34:43,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:34:43,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:34:43,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:34:43,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:34:43,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:34:43,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:34:43,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:34:43,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:34:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:34:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:34:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:34:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:34:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:34:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:34:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:34:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:34:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:34:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:34:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:34:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:34:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:34:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 21:34:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:34:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2021-07-14 21:34:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2021-07-14 21:34:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:34:43,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:34:46,457 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-07-14 21:35:06,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:35:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:35:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:35:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:35:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:35:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:35:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:35:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:35:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:35:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:35:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:35:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:35:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:35:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:35:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:35:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:35:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:35:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:35:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:35:06,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:35:06,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:35:06,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:35:06,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:35:06,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:35:06,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:35:06,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:35:06,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:35:06,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:35:06,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:35:06,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 21:35:06,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:35:06,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2021-07-14 21:35:06,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2021-07-14 21:35:06,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:35:06,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-14 21:35:06,232 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable128 [2021-07-14 21:35:06,233 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:35:06,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:35:06,233 INFO L82 PathProgramCache]: Analyzing trace with hash -769350044, now seen corresponding path program 36 times [2021-07-14 21:35:06,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:35:06,233 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457374920] [2021-07-14 21:35:06,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:35:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:35:07,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 116 proven. 1503 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-07-14 21:35:07,908 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:35:07,908 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457374920] [2021-07-14 21:35:07,908 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457374920] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:35:07,909 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166359864] [2021-07-14 21:35:07,909 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 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:35:08,135 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2021-07-14 21:35:08,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:35:08,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 111 conjunts are in the unsatisfiable core [2021-07-14 21:35:08,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:35:14,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:35:14,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:35:14,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 49 [2021-07-14 21:35:14,125 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:35:14,130 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:35:14,130 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:35:14,131 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:122, output treesize:7 [2021-07-14 21:35:14,204 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 [2021-07-14 21:35:14,205 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:35:14,206 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:35:14,207 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:35:14,207 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-07-14 21:35:14,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 116 proven. 1503 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-07-14 21:35:14,298 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166359864] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:35:14,298 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:35:14,298 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 49] total 97 [2021-07-14 21:35:14,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438716252] [2021-07-14 21:35:14,298 INFO L462 AbstractCegarLoop]: Interpolant automaton has 98 states [2021-07-14 21:35:14,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:35:14,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2021-07-14 21:35:14,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=791, Invalid=8715, Unknown=0, NotChecked=0, Total=9506 [2021-07-14 21:35:14,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:35:14,300 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:35:14,300 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 98 states, 98 states have (on average 4.020408163265306) internal successors, (394), 97 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:35:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:35:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:35:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:35:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:35:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:35:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:35:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:35:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:35:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:35:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:35:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:35:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:35:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:35:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:35:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:35:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:35:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:35:14,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:35:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:35:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:35:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:35:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:35:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:35:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:35:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:35:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:35:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:35:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:35:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:35:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 21:35:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:35:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2021-07-14 21:35:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2021-07-14 21:35:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:35:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-14 21:35:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:35:24,165 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-07-14 21:35:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:35:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:35:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:35:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:35:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:35:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:35:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:35:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:35:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:35:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:35:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:35:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:35:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:35:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:35:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:35:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:35:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:35:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:35:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:35:55,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:35:55,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:35:55,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:35:55,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:35:55,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:35:55,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:35:55,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:35:55,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:35:55,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:35:55,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:35:55,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:35:55,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 21:35:55,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:35:55,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2021-07-14 21:35:55,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2021-07-14 21:35:55,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:35:55,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-14 21:35:55,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2021-07-14 21:35:55,617 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable129 [2021-07-14 21:35:55,617 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:35:55,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:35:55,617 INFO L82 PathProgramCache]: Analyzing trace with hash 540326474, now seen corresponding path program 37 times [2021-07-14 21:35:55,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:35:55,618 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77955782] [2021-07-14 21:35:55,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:35:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:35:56,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1716 backedges. 5 proven. 1701 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-14 21:35:56,459 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:35:56,459 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77955782] [2021-07-14 21:35:56,459 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77955782] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:35:56,459 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035175467] [2021-07-14 21:35:56,459 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 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:35:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:35:56,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 69 conjunts are in the unsatisfiable core [2021-07-14 21:35:56,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:35:58,244 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2021-07-14 21:35:58,674 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-07-14 21:35:59,292 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-07-14 21:35:59,617 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 128 [2021-07-14 21:35:59,871 INFO L446 ElimStorePlain]: Different costs {0=[q3, v_prenex_16], 1=[v_prenex_14, v_prenex_12]} [2021-07-14 21:35:59,877 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 7 treesize of output 3 [2021-07-14 21:35:59,878 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:36:00,382 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 132 [2021-07-14 21:36:00,382 INFO L628 ElimStorePlain]: treesize reduction 162, result has 80.5 percent of original size [2021-07-14 21:36:00,382 INFO L518 ElimStorePlain]: Eliminatee v_prenex_16 vanished before elimination [2021-07-14 21:36:00,389 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 21:36:00,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 5 [2021-07-14 21:36:00,391 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 21:36:00,588 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-07-14 21:36:00,588 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:36:00,595 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-07-14 21:36:00,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 5 [2021-07-14 21:36:00,596 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 21:36:00,901 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 113 [2021-07-14 21:36:00,902 INFO L628 ElimStorePlain]: treesize reduction 150, result has 76.7 percent of original size [2021-07-14 21:36:00,905 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 21:36:00,905 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 8 variables, input treesize:836, output treesize:481 [2021-07-14 21:36:01,187 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-07-14 21:36:01,456 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-07-14 21:36:03,775 INFO L354 Elim1Store]: treesize reduction 2242, result has 0.0 percent of original size [2021-07-14 21:36:03,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 144 treesize of output 64 [2021-07-14 21:36:03,781 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:36:03,782 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:36:03,782 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:36:03,782 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:144, output treesize:3 [2021-07-14 21:36:03,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1716 backedges. 0 proven. 1716 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:36:03,801 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035175467] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:36:03,801 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:36:03,801 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 46] total 81 [2021-07-14 21:36:03,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520847865] [2021-07-14 21:36:03,801 INFO L462 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-07-14 21:36:03,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:36:03,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-07-14 21:36:03,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=673, Invalid=5969, Unknown=0, NotChecked=0, Total=6642 [2021-07-14 21:36:03,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:36:03,802 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:36:03,802 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 5.109756097560975) internal successors, (419), 81 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:36:03,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:36:03,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:36:03,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:36:03,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2021-07-14 21:36:03,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2021-07-14 21:36:03,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:36:03,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-14 21:36:03,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2021-07-14 21:36:03,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:36:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:36:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:36:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:36:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:36:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:36:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:36:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:36:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:36:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:36:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:36:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:36:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:36:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:36:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:36:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:36:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:36:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:36:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:36:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:36:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:36:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:36:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:36:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:36:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:36:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:36:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:36:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:36:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:36:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:36:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:36:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:36:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:36:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 21:36:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:36:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2021-07-14 21:36:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2021-07-14 21:36:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:36:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-14 21:36:25,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2021-07-14 21:36:25,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:36:26,062 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:36:26,062 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:36:26,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:36:26,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1617688472, now seen corresponding path program 38 times [2021-07-14 21:36:26,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:36:26,063 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480715414] [2021-07-14 21:36:26,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:36:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:36:26,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1761 backedges. 0 proven. 1743 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-07-14 21:36:26,902 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:36:26,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480715414] [2021-07-14 21:36:26,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480715414] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:36:26,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017291899] [2021-07-14 21:36:26,902 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 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:36:26,991 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 21:36:26,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:36:26,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 52 conjunts are in the unsatisfiable core [2021-07-14 21:36:26,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:36:30,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:36:30,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:30,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:36:31,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 52 [2021-07-14 21:36:31,022 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:36:31,026 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:36:31,026 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:36:31,027 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:128, output treesize:3 [2021-07-14 21:36:31,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1761 backedges. 0 proven. 1743 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-07-14 21:36:31,044 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017291899] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:36:31,044 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:36:31,044 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 35] total 67 [2021-07-14 21:36:31,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770384371] [2021-07-14 21:36:31,045 INFO L462 AbstractCegarLoop]: Interpolant automaton has 68 states [2021-07-14 21:36:31,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:36:31,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2021-07-14 21:36:31,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=421, Invalid=4135, Unknown=0, NotChecked=0, Total=4556 [2021-07-14 21:36:31,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:36:31,046 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:36:31,046 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 68 states, 68 states have (on average 6.029411764705882) internal successors, (410), 67 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:36:31,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:36:31,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:36:31,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 21:36:31,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:36:31,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2021-07-14 21:36:31,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2021-07-14 21:36:31,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:36:31,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-14 21:36:31,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2021-07-14 21:36:31,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:36:31,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:37:01,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:37:01,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:37:01,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:37:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:37:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:37:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:37:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:37:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:37:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:37:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:37:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:37:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:37:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:37:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:37:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:37:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:37:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:37:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:37:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:37:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:37:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:37:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:37:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:37:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:37:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:37:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:37:01,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:37:01,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:37:01,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:37:01,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:37:01,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:37:01,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:37:01,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 21:37:01,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:37:01,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2021-07-14 21:37:01,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2021-07-14 21:37:01,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:37:01,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-14 21:37:01,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2021-07-14 21:37:01,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:37:01,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-14 21:37:01,581 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable146 [2021-07-14 21:37:01,581 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:37:01,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:37:01,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1156132777, now seen corresponding path program 39 times [2021-07-14 21:37:01,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:37:01,582 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000186719] [2021-07-14 21:37:01,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:37:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:37:03,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1842 backedges. 124 proven. 1697 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-07-14 21:37:03,553 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:37:03,553 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000186719] [2021-07-14 21:37:03,553 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000186719] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:37:03,553 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496892617] [2021-07-14 21:37:03,553 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 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:37:03,771 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 25 check-sat command(s) [2021-07-14 21:37:03,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:37:03,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 130 conjunts are in the unsatisfiable core [2021-07-14 21:37:03,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:37:08,598 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-07-14 21:37:10,990 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 7 treesize of output 5 [2021-07-14 21:37:10,995 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:37:11,030 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:37:11,032 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 21:37:11,032 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:153, output treesize:146 [2021-07-14 21:37:11,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,517 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:37:11,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:37:11,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 120 disjoint index pairs (out of 153 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 61 [2021-07-14 21:37:11,583 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:37:11,590 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:37:11,591 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:37:11,591 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:151, output treesize:21 [2021-07-14 21:37:11,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:37:11,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:37:11,789 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 27 treesize of output 13 [2021-07-14 21:37:11,790 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:37:11,793 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:37:11,794 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:37:11,794 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:35, output treesize:3 [2021-07-14 21:37:11,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1842 backedges. 124 proven. 1697 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-07-14 21:37:11,889 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496892617] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:37:11,889 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:37:11,889 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55] total 107 [2021-07-14 21:37:11,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738505484] [2021-07-14 21:37:11,889 INFO L462 AbstractCegarLoop]: Interpolant automaton has 108 states [2021-07-14 21:37:11,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:37:11,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2021-07-14 21:37:11,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=890, Invalid=10666, Unknown=0, NotChecked=0, Total=11556 [2021-07-14 21:37:11,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:37:11,891 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:37:11,891 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 108 states, 108 states have (on average 3.8703703703703702) internal successors, (418), 107 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:37:11,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:37:11,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:37:11,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:37:11,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:37:11,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:37:11,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:37:11,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:37:11,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:37:11,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:37:11,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:37:11,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:37:11,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:37:11,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:37:11,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:37:11,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:37:11,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:37:11,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-14 21:37:11,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:37:34,890 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-07-14 21:37:43,209 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2021-07-14 21:37:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:37:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:37:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:37:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:37:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:37:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:37:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:37:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:37:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:37:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:37:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:37:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:37:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:37:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:37:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:37:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:37:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:37:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:37:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:37:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:37:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:37:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:37:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:37:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:37:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:37:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:37:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:37:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:37:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:37:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:37:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:37:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:37:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 21:37:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:37:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2021-07-14 21:37:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2021-07-14 21:37:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:37:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-14 21:37:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2021-07-14 21:37:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:37:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-14 21:37:58,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-07-14 21:37:58,921 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable147 [2021-07-14 21:37:58,921 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:37:58,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:37:58,922 INFO L82 PathProgramCache]: Analyzing trace with hash 94123045, now seen corresponding path program 40 times [2021-07-14 21:37:58,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:37:58,922 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745342534] [2021-07-14 21:37:58,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:37:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:38:00,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1923 backedges. 5 proven. 1908 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-14 21:38:00,022 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:38:00,022 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745342534] [2021-07-14 21:38:00,022 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745342534] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:38:00,022 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411862241] [2021-07-14 21:38:00,022 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 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:38:00,126 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 21:38:00,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:38:00,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 67 conjunts are in the unsatisfiable core [2021-07-14 21:38:00,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:38:02,135 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2021-07-14 21:38:02,484 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-07-14 21:38:02,837 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-07-14 21:38:03,086 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-07-14 21:38:03,825 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-07-14 21:38:04,326 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2021-07-14 21:38:04,630 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-07-14 21:38:05,230 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 120 [2021-07-14 21:38:05,529 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-07-14 21:38:09,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:38:09,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:09,790 INFO L244 Elim1Store]: Index analysis took 157 ms [2021-07-14 21:38:09,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 210 disjoint index pairs (out of 231 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 67 [2021-07-14 21:38:09,798 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:38:09,802 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:38:09,803 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:38:09,803 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:163, output treesize:3 [2021-07-14 21:38:09,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1923 backedges. 0 proven. 1923 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 21:38:09,822 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411862241] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:38:09,822 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:38:09,822 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 48] total 84 [2021-07-14 21:38:09,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641019698] [2021-07-14 21:38:09,823 INFO L462 AbstractCegarLoop]: Interpolant automaton has 85 states [2021-07-14 21:38:09,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:38:09,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2021-07-14 21:38:09,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=730, Invalid=6410, Unknown=0, NotChecked=0, Total=7140 [2021-07-14 21:38:09,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:38:09,824 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:38:09,824 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 85 states, 85 states have (on average 5.2) internal successors, (442), 84 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:38:09,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:38:09,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:38:09,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:38:09,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:38:09,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:38:09,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:38:09,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:38:09,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:38:09,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:38:09,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-14 21:38:09,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2021-07-14 21:38:09,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:38:09,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-14 21:38:09,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2021-07-14 21:38:09,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:38:45,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:38:45,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:38:45,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:38:45,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:38:45,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:38:45,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:38:45,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-14 21:38:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2021-07-14 21:38:45,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:38:45,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-14 21:38:45,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-07-14 21:38:45,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-14 21:38:45,493 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable149 [2021-07-14 21:38:45,494 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 21:38:45,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 21:38:45,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1305560387, now seen corresponding path program 41 times [2021-07-14 21:38:45,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 21:38:45,494 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883357977] [2021-07-14 21:38:45,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 21:38:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 21:38:46,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 0 proven. 1952 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-07-14 21:38:46,578 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 21:38:46,578 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883357977] [2021-07-14 21:38:46,578 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883357977] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:38:46,578 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477535723] [2021-07-14 21:38:46,578 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 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 21:38:46,891 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) [2021-07-14 21:38:46,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 21:38:46,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 55 conjunts are in the unsatisfiable core [2021-07-14 21:38:46,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 21:38:52,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 21:38:52,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 21:38:52,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 55 [2021-07-14 21:38:52,193 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 21:38:52,197 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 21:38:52,198 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 21:38:52,198 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:135, output treesize:3 [2021-07-14 21:38:52,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 0 proven. 1952 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-07-14 21:38:52,217 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477535723] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 21:38:52,217 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 21:38:52,217 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 37] total 71 [2021-07-14 21:38:52,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389823083] [2021-07-14 21:38:52,217 INFO L462 AbstractCegarLoop]: Interpolant automaton has 72 states [2021-07-14 21:38:52,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 21:38:52,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2021-07-14 21:38:52,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=464, Invalid=4648, Unknown=0, NotChecked=0, Total=5112 [2021-07-14 21:38:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:38:52,218 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 21:38:52,218 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 72 states, 72 states have (on average 6.027777777777778) internal successors, (434), 71 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 21:38:52,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:38:52,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:38:52,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 21:38:52,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 21:38:52,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 21:38:52,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 21:38:52,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 21:38:52,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 21:38:52,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 21:38:52,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 21:38:52,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 21:38:52,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-14 21:38:52,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2021-07-14 21:38:52,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-14 21:38:52,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 21:39:04,968 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 52